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I/O Modules

Bihl+Wiedemann offers a wide variety of ASi modules, all of which are compatible with the current ASi-3 resp. ASi-5 standard. These are equipped with a various number of in- and outputs offering the right module for any application. Nor are special requirements a problem, such as sensors powered from ASi or external voltage (AUX). The large selection of analog modules reflects the commitment to offering the right module for any application or analog signal. Deserving special mention are high-resolution 16-bit analog modules or modules for especially fast transmission of the analog values.

 

EXTREME product line for ASi: Digital Modules ASi, IP67, M12

  • 100% protection against moisture
  • High resistance to salt spray
  • High corrosion resistance to chemically active substances
  • Assured functionality at extreme temperatures from – 40 °C to 70 °C
  • Shock resistant to 30g (11 ms)
  • Vibration rated for a frequency of 5...500 Hz at an amplitude of 50 mmpp / 6g
Figure Inputs digital Outputs digital

Single wiring: 1 input or output per connection.

 

Y wiring: 2 inputs or outputs per connection.

 

Mixed wiring: 1 input and 1 output per connection.

 

Exact pin assignment see data sheet.

M8/M12 wiring

inputs are supplied by ASi or by AUX (auxiliary 24 V power). If supplied by ASi, inputs shall not be connected to earth or to external potential.

Input voltage (sensor supply)

Electronic outputs are supplied by ASi or by AUX (auxiliary 24 V power). If supplied by ASi, outputs shall not be connected to earth or to external potential.

 

For relay outputs the relay contacts are initiated from ASi. The load circuit is powered externally as specified in the data sheet.

Output voltage (actuator supply)

The connection to ASi as well to AUX (auxiliary 24 V power) is made via yellow resp. black ASi profile cable with piercing technology or via M12 socket (in IP20 via clamps).


Line protection: If the module is supplied via a M12 connection with A or B coding, it may only be used with a current load of max. 4 A per pin in acc. with IEC 61076-2-101 and IEC 61076-2-109. A fused tap is recommended. There is no such limitation for modules supplied via piercing contacts.

ASi connection

AB address (max. 62 AB addresses/ASi network), 2 AB addresses (max. 31 modules with 2 AB addresses), Single addresses (max. 31 Single addresses/ASi network), ASi-5 address (max. 62 ASi-5 addresses/ASi network), mixed use allowed.
For ASi modules with two ASi nodes the second Asi node is turned off as long as the first Asi node is addressed to address "0".
Upon request, ASi modules are available with specific ASi node profiles.

ASi address
Article No.
BWU31454-Yout of ASi-ASi profile cable1 AB address
BWU314444 x electronicYout of ASiout of AUXASi profile cable1 AB address

 

 

Digital Modules ASi, IP67, M12

  • IP67, M12: 2 x 2 connectors for profile cable
  • 2 color LEDs per output, state yellow, overload red (optional)
Figure Inputs digital Outputs digital Inputs analog

Single wiring: 1 input or output per connection.

 

Y wiring: 2 inputs or outputs per connection.

 

Mixed wiring: 1 input and 1 output per connection.

 

Exact pin assignment see data sheet.

M8/M12 wiring

inputs are supplied by ASi or by AUX (auxiliary 24 V power). If supplied by ASi, inputs shall not be connected to earth or to external potential.

Input voltage (sensor supply)

Electronic outputs are supplied by ASi or by AUX (auxiliary 24 V power). If supplied by ASi, outputs shall not be connected to earth or to external potential.

 

For relay outputs the relay contacts are initiated from ASi. The load circuit is powered externally as specified in the data sheet.

Output voltage (actuator supply)

The connection to ASi as well to AUX (auxiliary 24 V power) is made via yellow resp. black ASi profile cable with piercing technology or via M12 socket (in IP20 via clamps).


Line protection: If the module is supplied via a M12 connection with A or B coding, it may only be used with a current load of max. 4 A per pin in acc. with IEC 61076-2-101 and IEC 61076-2-109. A fused tap is recommended. There is no such limitation for modules supplied via piercing contacts.

ASi connection

AB address (max. 62 AB addresses/ASi network), 2 AB addresses (max. 31 modules with 2 AB addresses), Single addresses (max. 31 Single addresses/ASi network), ASi-5 address (max. 62 ASi-5 addresses/ASi network), mixed use allowed.
For ASi modules with two ASi nodes the second Asi node is turned off as long as the first Asi node is addressed to address "0".
Upon request, ASi modules are available with specific ASi node profiles.

ASi address
Article No.
BWU4232up to 8, depending on configurationup to 8 x electronic, depending on configuration-Y/mixed, depending on configurationout of AUXout of AUXASi profile cable1 ASi-5 address
BWU4233up to 8, depending on configurationup to 8 x electronic, depending on configuration-Y/mixed, depending on configurationout of AUXout of AUXASi via M121 ASi-5 address
BWU31454--Yout of ASi-ASi profile cable1 AB address
BWU345622 x electronic-Yout of ASiout of AUXASi profile cable1 AB address
BWU353922 x electronic, special ASi bit assignment-Yout of ASiout of AUXASi profile cable1 AB address
BWU377522 x electronic, special ASi bit assignment-Yout of ASiout of AUXASi profile cable1 Single address
BWU314122 x electronic-Singleout of ASiout of AUXASi profile cable1 AB address
BWU351722 x electronic-Singleout of ASiout of AUXASi via M121 AB address
BWU25524--Yout of ASi-ASi profile cable1 AB address
BWU30774--Yout of ASi-ASi via M121 AB address
BWU26204--Singleout of ASi-ASi profile cable1 AB address
BWU35564--Singleout of ASi-ASi profile cable1 AB address (S-0.A.7.0)
BWU34574--Singleout of ASi-ASi via M121 AB address
BWU27254--Singleout of AUX-ASi profile cable1 AB address
BWU276742 x electronic-Mixedout of AUXout of AUXASi profile cable1 AB address
BWU337543 x electronic-Yout of ASiout of AUXASi profile cable1 AB address
BWU248744 x electronic-Yout of ASiout of AUXASi profile cable1 AB address
BWU303244 x electronic-Yout of AUXout of AUXASi profile cable1 AB address
BWU388744 x electronic-Mixed (inputs/outputs swapped)out of AUXout of AUXASi profile cable1 AB address
BWU254744 x electronic-Mixedout of AUXout of AUXASi profile cable1 AB address
BWU324044 x electronic-Mixedout of ASiout of ASiASi profile cable1 AB address
BWU2713-4 x electronic-Y-out of AUXASi profile cable1 Single address
BWU2594-4 x electronic-Y-out of AUXASi profile cable1 AB address
BWU2728-4 x electronic-Y-out of AUX, 2 A per outputASi profile cable1 AB address
BWU4230up to 16, depending on configurationup to 16 x electronic, depending on configuration-Y/mixed, depending on configurationout of AUXout of AUXASi profile cable1 ASi-5 address
BWU4231up to 16, depending on configurationup to 16 x electronic, depending on configuration-Y/mixed, depending on configurationout of AUXout of AUXASi via M121 ASi-5 address
BWU38028--Singleout of ASi-ASi profile cable1 ASi-5 address
BWU41958--Singleout of ASi-ASi via M121 ASi-5 address
BWU38938--Singleout of AUX-ASi profile cable1 ASi-5 address
BWU316388 x electronic-Yout of ASiout of AUXASi profile cable1 ASi-5 address
BWU419388 x electronic-Yout of ASiout of AUXASi via M121 ASi-5 address
BWU420788 x electronic-Yout of AUXout of AUXASi profile cable1 ASi-5 address
BWU316416--Yout of ASi-ASi profile cable1 ASi-5 address
BWU419416--Yout of ASi-ASi via M121 ASi-5 address
BWU389016--Yout of AUX-ASi profile cable1 ASi-5 address
BWU419616--Yout of AUX-ASi via M121 ASi-5 address
BWU3894-8 x electronic-Single-out of AUXASi profile cable1 ASi-5 address
BWU314444 x electronic-Yout of ASiout of AUXASi profile cable1 AB address
BWU351044 x electronic-Yout of AUXout of AUXASi profile cable1 AB address
BWU262644 x electronic-Yout of ASiout of AUXASi profile cable1 AB address
BWU342644 x electronic-Yout of ASiout of AUXASi profile cable1 AB address
BWU261744 x electronic-Singleout of ASiout of AUXASi profile cable1 AB address
BWU268444 x electronic-Singleout of ASiout of AUXASi profile cable1 Single address
BWU439944 x electronic-Singleout of AUXout of AUXASi profile cable1 AB address
BWU281044 x electronic-Singleout of AUXout of AUXASi profile cable1 AB address
BWU264544 x electronic-Singleout of AUXout of AUXASi via M121 AB address
BWU354044 x electronic-Singleout of ASiout of AUX, 2 A per outputASi profile cable1 Single address
BWU349643 x electronic-Singleout of ASiout of AUX, 2 A per outputASi profile cable1 AB address
BWU27708--Yout of AUX-ASi profile cable2 AB addresses
BWU26518--Yout of ASi-ASi profile cable2 AB addresses
BWU29838--Singleout of ASi-ASi profile cable2 AB addresses
BWU261988 x electronic-Yout of ASiout of AUXASi profile cable2 AB addresses
BWU389288 x electronic-Yout of AUXout of AUXASi profile cable2 AB addresses
BWU2652-8 x electronic-Y-out of AUXASi profile cable2 AB addresses
BWU231344 x electronic2 x Pt100Signal at pin2/pin4out of AUXout of AUXASi profile cable2 AB addresses

 

 

An AS-Interface installation with IP67 digital modules from Bihl+Wiedemann having M12 plug-in connections offers many advantages: There are 2 x 2 connections for the yellow profile cable in the substructure of the module. These enable an clearly organized ASi installation where up to 4 ASi end caps and 2 passive distributors per module can be saved.

(Click to enlarge): ASi Installation with modules from Bihl+Wiedemann (Click to enlarge): ASi Installation with traditional modules

 

 

 

 

 

ASi Modules/IO-Link Masters: IP67, M12

  • IO-Link ports class A
  • IO-Link ports class B
  • IP67, M12: 2 x 2 connectors for profile cable
Figure Model Number of IO-Link Ports

Port class A (M12): Pin 4 configurable (IO-Link/DI/DO), additional digital input at pin 2. Compatible with 3 pol IO-Link devices (M8).

Configurable terminals: Terminal assignment (C/Q, L+, L-, I) compatible with pin assigment of IO-Link port class A (M12). Connected IO-Link devices with port class B (M12) with a higher current consumption have to be supplied directly via a separate power supply. Compatible with 3 pol IO-Link devices (M8).

IO-Link Port Class A

Port class B (M12): Pin 4 configurable (IO-Link/DI/DO), additional power supply (galvanically isolated) for IO-Link devices at pins 2 and 5. Compatible with 3 pol IO-Link devices (M8).

Configurable terminals: Terminal assignment (C/Q, L+, L-, I) compatible with pin assigment of IO-Link port class A (M12). Connected IO-Link devices with port class B (M12) with a higher current consumption have to be supplied directly via a separate power supply. Compatible with 3 pol IO-Link devices (M8).

IO-Link Port Class B

IO-Link and additional inputs/outputs are supplied by ASi or by AUX (auxiliary 24 V power). If supplied by ASi, inputs can neither be connected to earth nor to external potential.

Sensor supply (IO-Link supply and input/output supply)

Connection via M12: For IO-Link ports class B the supply of actuators is provided by an additional (galvanically isolated) power supply by AUX (auxiliary 24 V power) via Pin 2 (P24) and Pin 5 (N24).

Connection via clamps: If connected IO-Link Devices with IO-Link ports class B need a higher current consumption, additionally they can be supplied directly via the power supply.

Actuator supply (for IO-Link ports class B)

COM1 = 4.8 kBaud

COM2 = 38.4 kBaud

COM3 = 230.4 kBaud (optional according to Specification V1.0)

 

An IO-Link device supports only one of the defined data transmission rates.

According to Specification V1.1, the IO-Link master supports all data transmission rates and adapts itself automatically to the data transmission rate supported by the device.

IO-Link data rate
IO-Link specification

The connection to ASi as well to AUX (auxiliary 24 V power) is made via yellow resp. black ASi profile cable with piercing technology or via M12 socket (in IP20 via clamps).


Line protection: If the module is supplied via a M12 connection with A or B coding, it may only be used with a current load of max. 4 A per pin in acc. with IEC 61076-2-101 and IEC 61076-2-109. A fused tap is recommended. There is no such limitation for modules supplied via piercing contacts.

ASi connection

AB address (max. 62 AB addresses/ASi network), 2 AB addresses (max. 31 modules with 2 AB addresses), Single addresses (max. 31 Single addresses/ASi network), ASi-5 address (max. 62 ASi-5 addresses/ASi network), mixed use allowed.
For ASi modules with two ASi nodes the second Asi node is turned off as long as the first Asi node is addressed to address "0".
Upon request, ASi modules are available with specific ASi node profiles.

ASi address
Article No.
BWU4067ASi module with integrated IO-Link master422out of AUXout of AUXCOM1 / COM2 / COM3V1.1ASi profile cable1 ASi-5 address
BWU3897ASi module with integrated IO-Link master422out of AUXout of AUXCOM1 / COM2 / COM3V1.1ASi via M121 ASi-5 address
BWU3819ASi module with integrated IO-Link master44-out of AUX-COM1 / COM2 / COM3V1.1ASi profile cable1 ASi-5 address
BWU3899ASi module with integrated IO-Link master44-out of AUX-COM1 / COM2 / COM3V1.1ASi via M121 ASi-5 address
BW4211Starter Kits422out of AUXout of AUXCOM1 / COM2 / COM3V1.1ASi profile cable1 ASi-5 address
BW4229Starter Kits422out of AUXout of AUXCOM1 / COM2 / COM3V1.1ASi profile cable1 ASi-5 address

 

 

Digitalmodule ASi: IP67, M8

  • IP67, M8: 2 x 2 connectors for profile cable
  • 2color LEDs per output, state yellow, overload red (optional)
Figure Inputs digital Outputs digital

Single wiring: 1 input or output per connection.

 

Y wiring: 2 inputs or outputs per connection.

 

Mixed wiring: 1 input and 1 output per connection.

 

Exact pin assignment see data sheet.

M8/M12 wiring

inputs are supplied by ASi or by AUX (auxiliary 24 V power). If supplied by ASi, inputs shall not be connected to earth or to external potential.

Input voltage (sensor supply)

Electronic outputs are supplied by ASi or by AUX (auxiliary 24 V power). If supplied by ASi, outputs shall not be connected to earth or to external potential.

 

For relay outputs the relay contacts are initiated from ASi. The load circuit is powered externally as specified in the data sheet.

Output voltage (actuator supply)

The connection to ASi as well to AUX (auxiliary 24 V power) is made via yellow resp. black ASi profile cable with piercing technology or via M12 socket (in IP20 via clamps).


Line protection: If the module is supplied via a M12 connection with A or B coding, it may only be used with a current load of max. 4 A per pin in acc. with IEC 61076-2-101 and IEC 61076-2-109. A fused tap is recommended. There is no such limitation for modules supplied via piercing contacts.

ASi connection

AB address (max. 62 AB addresses/ASi network), 2 AB addresses (max. 31 modules with 2 AB addresses), Single addresses (max. 31 Single addresses/ASi network), ASi-5 address (max. 62 ASi-5 addresses/ASi network), mixed use allowed.
For ASi modules with two ASi nodes the second Asi node is turned off as long as the first Asi node is addressed to address "0".
Upon request, ASi modules are available with specific ASi node profiles.

ASi address
Article No.
BW35218-Singleout of ASi-ASi profile cable2 AB addresses
BW366144 x electronicSingleout of ASiout of AUXASi profile cable1 AB address

 

 

ASi Counter Modules, IP67, M12

  • Conter input 4 x 2 channels or 4 x 1 channel, depending on configuration
  • Pulse counter
  • IP67, M12: 2 x 2 connectors for profile cable
Figure Model Inputs digital counting rate

Single wiring: 1 input or output per connection.

 

Y wiring: 2 inputs or outputs per connection.

 

Mixed wiring: 1 input and 1 output per connection.

 

Exact pin assignment see data sheet.

M8/M12 wiring

inputs are supplied by ASi or by AUX (auxiliary 24 V power). If supplied by ASi, inputs shall not be connected to earth or to external potential.

Input voltage (sensor supply)

PUR line, oil resistant. Further connection options are available on request.

      M12 socket M12 cable socket, angled  M12 cable socket, straight   M8 cable socket, straight   round cable/connecting wires     profile cable branch          push in terminals
       2 x round cables/connecting wires 2,5 mm²

Connection

The connection to ASi as well to AUX (auxiliary 24 V power) is made via yellow resp. black ASi profile cable with piercing technology or via M12 socket (in IP20 via clamps).


Line protection: If the module is supplied via a M12 connection with A or B coding, it may only be used with a current load of max. 4 A per pin in acc. with IEC 61076-2-101 and IEC 61076-2-109. A fused tap is recommended. There is no such limitation for modules supplied via piercing contacts.

ASi connection

AB address (max. 62 AB addresses/ASi network), 2 AB addresses (max. 31 modules with 2 AB addresses), Single addresses (max. 31 Single addresses/ASi network), ASi-5 address (max. 62 ASi-5 addresses/ASi network), mixed use allowed.
For ASi modules with two ASi nodes the second Asi node is turned off as long as the first Asi node is addressed to address "0".
Upon request, ASi modules are available with specific ASi node profiles.

ASi address
Article No.
BWU4042counter module, pulse counter4 x counter inputsmax. 250 kHzPin2 = Pulseout of ASi4 x M12 sockets, 5 polesASi profile cable1 ASi-5 address
BWU4202counter module, pulse counter4 x counter inputsmax. 250 kHzPin2 = Pulseout of ASi4 x M12 sockets, 5 polesASi via M121 ASi-5 address

 

 

Digital Modules ASi: Active Distributors ASi, IP67/IP20

Figure Inputs digital Outputs digital Inputs Safety, SIL 3, Cat. 4

inputs are supplied by ASi or by AUX (auxiliary 24 V power). If supplied by ASi, inputs shall not be connected to earth or to external potential.

Input voltage (sensor supply)

Electronic outputs are supplied by ASi or by AUX (auxiliary 24 V power). If supplied by ASi, outputs shall not be connected to earth or to external potential.

 

For relay outputs the relay contacts are initiated from ASi. The load circuit is powered externally as specified in the data sheet.

Output voltage (actuator supply)

PUR line, oil resistant. Further connection options are available on request.

      M12 socket M12 cable socket, angled  M12 cable socket, straight   M8 cable socket, straight   round cable/connecting wires     profile cable branch          push in terminals
       2 x round cables/connecting wires 2,5 mm²

Connection

Single wiring: 1 input or output per connection.

 

Y wiring: 2 inputs or outputs per connection.

 

Mixed wiring: 1 input and 1 output per connection.

 

Exact pin assignment see data sheet.

M8/M12 wiring

Under normal conditions (no bus termination or repeater), the permissible total length of the ASi segment is max. 100 m. The calculation should take into consideration that the length of the connection cable (round cable) for each connected passive distributor must be doubled.

In the case of the active distributors (ASi modules) however only the one ASi profile cable is counted.

Round cable

Modules with a flat housing design and with cables which exit the sides make these ideal for installation in cable ducts, cable channels, cable troughs, cable rails or cable trays. Please note the respective housing depth for your particular installation.

Flat design, installation in cable duct possible
Profile cable connection

AB address (max. 62 AB addresses/ASi network), 2 AB addresses (max. 31 modules with 2 AB addresses), Single addresses (max. 31 Single addresses/ASi network), ASi-5 address (max. 62 ASi-5 addresses/ASi network), mixed use allowed.
For ASi modules with two ASi nodes the second Asi node is turned off as long as the first Asi node is addressed to address "0".
Upon request, ASi modules are available with specific ASi node profiles.

ASi address
Special function Article No.
BWU367544 x electronic-out of ASiout of AUX8 x M12 cable sockets, straight, 5 poles + 1 x ASi addressing cable socketSingleI1/O4: 0,35 m, I2/O3: 0,25 m, I3/O2: 0,15 m, I4/O1: 0,05 myes, depth: 35 mm1 x ASi, 1 x AUX1 AB address-
BWU367644 x electronic-out of AUXout of AUX3 x M12 cable sockets, straight, 5 poles + 2 x M8 snap-in cable sockets, straight, 4 poles + 1 x ASi addressing cable socket-I1/I2: 0,1 m, I3/I4: 0,3 m, O1/O2: 0,2 m, O3/O4: 0,3 myes, depth: 35 mm1 x ASi1 AB address-
BWU357742 x electronic-out of ASiout of ASi6 x M8 cable sockets, straight, 4 poles-I: 0,15 m, O: 0,50 myes, depth: 35 mm1 x ASi1 AB addressoptimized to control valves Festo CPE14 / VUVG-L14 via ASi
BWU355544 x electronic-out of ASiout of AUX4 x M8 cable sockets, straight, 4 polesY0,20 myes, depth: 35 mm1 x ASi, 1 x AUX1 AB address-
BWU369522 x electronic-out of ASiout of ASi2 x M12 cable sockets, straight, 5 poles + 2 x M8 cable socket, straight, 3 polesSingleI: 0,20 m, O: 0,40 myes, depth: 35 mm1 x ASi1 AB address-
BWU36334--out of ASi-4 x M12 cable sockets, straight, 5 polesSingle2 myes, depth: 35 mm1 x ASi1 AB address-
BWU36324--out of ASi-4 x M12 cable sockets, straight, 5 polesSingle0,30 myes, depth: 35 mm1 x ASi1 AB address-
BWU37304--out of ASi-4 x M12 cable socket, straight, 5 poles + 1 x ASi addressing cable socketSingleI1: 0,35 m, I2: 0,25 m, I3: 0,15 m, I4: 0,05 myes, depth: 35 mm1 x ASi1 AB address-
BWU36084--out of AUX-3 x round cable/connecting wires + 1 x M8 cable socket, straight, 4 poles-1 myes, depth: 35 mm-1 AB address-
BWU4727up to 4, depending on configurationup to 4 x electronic, depending on configuration-out of AUXout of AUX2 x M12 cable sockets, straight, 5 polesY/mixed, depending on configuration1 myes, depth: 35 mm1 x ASi, 1 x AUX1 AB address-
BWU417244 x electronic-out of ASiout of AUX4 x round cable/connecting wires-1 myes, depth: 35 mm1 x ASi, 1 x AUX1 AB address-
BWU331744 x electronic-out of ASiout of AUX2 x round cables/connecting wires-1 myes, depth: 35 mm1 x ASi, 1 x AUX1 AB address-
BW350744 x electronic-out of ASiout of AUX2 x M12 cable sockets, straight, 5 poles-1 myes, depth: 35 mm1 x ASi, 1 x AUX1 AB address-
BWU332644 x electronic-out of ASiout of ASi2 x round cables/connecting wires-1 myes, depth: 35 mm1 x ASi1 AB address-
BWU378534 x electronic-out of AUXout of AUX2 x M12 cable sockets, straight, 5 poles-X1: 0,25 m, X2: 2 myes, depth: 35 mm1 x ASi, 1 x AUX1 AB addressto connect K50Pro Banner Stacklight to ASi
BWU33744--out of ASi-2 x round cables/connecting wires-0,50 myes, depth: 35 mm1 x ASi1 AB address-
BWU353414 x electronic-out of ASiout of ASi1 x M12 cable socket, straight, 5 poles + 1 x M12 cable socket, angled, 5 poles-0,30 myes, depth: 35 mm1 x ASi1 AB addressto connect Banner K50 Series EZ-Light, type K50L...PQ + Wenglor light curtains Pick-to-Light
BWU3729-4 x electronic--out of ASi1 x round cable/connecting wires + 1 x ASi addressing cable socket-4 myes, depth: 35 mm1 x ASi1 AB address-
BW350044 x electronic-out of ASiout of ASi1 x round cable/connecting wires-5 myes, depth: 35 mm1 x ASi1 AB address-
BWU360644 x electronic-out of ASiout of ASi1 x round cable/connecting wires-2 myes, depth: 35 mm-1 AB addressto connect Stack-Light Banner TL50GYRAQ + audible alarm (180 mA) to ASi
BW337744 x electronic-out of AUXout of AUX1 x M12 cable socket, straight, 8 poles-1 myes, depth: 35 mm1 x ASi, 1 x AUX1 AB addressto connect Euchner MGB to ASi
BWU478422 x electronic-out of AUXout of AUX1 x M12 cable socket, straight, 8 poles-1 myes, depth: 35 mm1 x ASi, 1 x AUX1 AB addressto control Linak LA12 drives
BWU360722 x electronic-out of AUXout of AUX1 x round cable/connecting wires-3 myes, depth: 35 mm1 x ASi, 1 x AUX1 AB addressto control Linak LA12 drives
BWU363913 x electronic-out of ASiout of ASi1 x M12 cable socket, angled, 8 poles-0,30 myes, depth: 35 mm1 x ASi1 AB addressto connect Banner K50 Series EZ-LIGHT, Typ K50AP...F2Q to ASi
BWU34984--out of AUX-2 x M12 cable sockets, straight, 5 polesY0,40 myes, depth: 19 mm1 x ASi, 1 x AUX1 AB address-
BWU362822 x electronic-out of AUXout of AUX1 x round cable/connecting wires + 1 x M12 cable sockets, straight, 5 polesYI: 0,4 m, O: 1,5 myes, depth: 19 mm1 x ASi, 1 x AUX1 AB address-
BWU349722 x electronic-out of AUXout of AUX2 x M12 cable sockets, straight, 5 polesY0,40 myes, depth: 19 mm1 x ASi, 1 x AUX1 AB address-
BWU360222 x electronic-out of AUXout of AUX2 x round cables/connecting wires-1 myes, depth: 19 mm1 x ASi, 1 x AUX1 AB address-
BWU487921 x electronic-out of AUXout of AUX1 x M12 cable socket, straight, 5 poles + 1 x round cable/connecting wiresSingle1 myes, depth: 19 mm1 x ASi, 1 x AUX1 AB address-
BWU325021 x electronic-out of AUXout of AUX2 x M12 cable sockets, angled, 5 poles1 x Y + 1 x Mixed1 myes, depth: 19 mm1 x ASi, 1 x AUX1 AB address-
BWU340022 x electronic-out of ASiout of ASi1 x M12 cable socket, straight, 8 poles-1 myes, depth: 19 mm1 x ASi1 AB address-
BWU36422--out of ASi-1 x M12 cable socket, angled, 5 polesY1 myes, depth: 19 mm1 x ASi1 AB address-
BWU35642--out of AUX-1 x M12 cable socket, angled, 5 polesY1 myes, depth: 19 mm1 x ASi, 1 x AUX1 AB address-
BW3300-4 x electronic--out of AUX1 x round cable/connecting wires-1 myes, depth: 19 mm1 x ASi, 1 x AUX1 AB address-
BWU3487-4 x electronic--out of AUX1 x round cable/connecting wires-5 myes, depth: 19 mm1 x ASi, 1 x AUX1 AB address-
BWU4766-4 x electronic--out of AUX1 x round cable/connecting wires-3 myes, depth: 19 mm1 x ASi, 1 x AUX1 AB address-
BWU3788-4 x electronic--out of AUX1 x M12 cable socket, straight, 5 poles-5 myes, depth: 19 mm1 x ASi, 1 x AUX1 AB address-
BWU3712-4 x electronic--out of AUX1 x M12 cable socket, straight, 5 poles-3 myes, depth: 19 mm1 x ASi, 1 x AUX1 AB address-
BWU4763-4 x electronic--out of AUX1 x M12 cable socket, straight, 5 poles-10 myes, depth: 19 mm1 x ASi, 1 x AUX1 AB address-
BWU4087-4 x electronic--out of AUX1 x M12 cable socket, straight, 5 poles-2 myes, depth: 19 mm1 x ASi, 1 x AUX1 AB addressto connect general-purpose display banner K50 Pro to ASi
BWU33494--out of AUX-8 x push in terminals-noyes, depth: 19 mm1 x ASi, 1 x AUX1 AB address-
BWU341431 x electronic-out of AUXout of AUX8 x push in terminals-noyes, depth: 19 mm1 x ASi, 1 x AUX1 AB address-
BWU3342-4 x electronic--out of AUX8 x push in terminals-noyes, depth: 19 mm1 x ASi, 1 x AUX1 AB address-
BWU3604-2 x electronic1 x 2 channelsout of ASiout of ASi1 x round cable/connecting wires + 1 x ASi addressing cable socket-2 myes, depth: 35 mm1 x ASi1 Single address-
BWU3425-1 x electronic1 x 2 channelsout of ASiout of AUX1 x round cable/connecting wires-1 myes, depth: 35 mm1 x ASi, 1 x AUX1 Single address-
BWU3750-1 x electronic1 x 2 channelsout of ASiout of AUX1 x M12 cable socket, straight, 8 poles-1 myes, depth: 35 mm1 x ASi, 1 x AUX1 Single address-
BWU3718-2 x electronic1 x 2 channelsout of AUXout of AUX1 x M12 cable socket, straight 8 poles + 1 x M12 cable socket, straight, 5 poles-10 myes, depth: 19 mm1 x ASi, 1 x AUX1 Single addressto connect Leuze MLC530SPG (operation mode 5) to ASi
BWU3249-1 x electronic1 x 2 channelsout of ASiout of ASi2 x round cables/connecting wires-1 myes, depth: 19 mm1 x ASi1 Single address-
BWU3600--1 x 2 channelsout of ASi-2 x round cables/connecting wires-10 myes, depth: 19 mm1 x ASi1 Single address-
BWU372111 x electronic1 x 2 channelsout of AUXout of AUX1 x M12 cable socket, straight, 8 poles-5 myes, depth: 19 mm1 x ASi, 1 x AUX1 Single addressto connect Pilz PSENslock, PSENcode to ASi
BWU348811 x electronic1 x 2 channelsout of AUXout of AUX1 x M12 cable socket, straight, 8 poles-1 myes, depth: 19 mm1 x ASi, 1 x AUX1 Single addressto connect Pilz PSENslock, PSENcode to ASi
BWU356511 x electronic1 x 2 channelsout of AUXout of AUX1 x M12 cable socket, straight, 8 poles-1 myes, depth: 19 mm1 x ASi, 1 x AUX1 Single addressto connect Schmersal AZM400 to ASi
BWU363511 x electronic1 x 2 channelsout of AUXout of AUX1 x M12 cable socket, straight, 8 poles-1 myes, depth: 19 mm1 x ASi, 1 x AUX1 Single addressto connect Schmersal AZM200 / AZM201 / AZM300 / MZM100 to ASi
BWU3719-2 x electronic1 x 2 channelsout of AUXout of AUX1 x M12 cable socket, straight, 8 poles-2 myes, depth: 19 mm1 x ASi, 1 x AUX1 Single addressto connect Leuze MLD530-RT3M (operation mode 5) to ASi
BWU4166-2 x electronic1 x 2 channelsout of AUXout of AUX1 x round cable/connecting wires-2 myes, depth: 19 mm1 x ASi, 1 x AUX1 Single addressto connect Leuze MLD530-RT3M to ASi
BWU3599-1 x electronic1 x 2 channelsout of ASiout of ASi1 x round cable/connecting wires-10 myes, depth: 19 mm1 x ASi1 Single address-
BWU3248-1 x electronic1 x 2 channelsout of ASiout of ASi1 x round cable/connecting wires-1 myes, depth: 19 mm1 x ASi1 Single address-
BWU3796-1 x electronic1 x 2 channelsout of ASiout of ASi1 x M12 cable socket, angled, 8 poles-1 myes, depth: 19 mm1 x ASi1 Single address-
BWU4702-1 x electronic1 x 2 channelsout of ASiout of ASi1 x M12 cable socket, straight, 8 poles-1 myes, depth: 19 mm1 x ASi1 Single address-
BW3299-1 x electronic1 x 2 channelsout of AUXout of AUX1 x M12 cable socket, angled, 5 poles-1 myes, depth: 19 mm1 x ASi, 1 x AUX1 Single address-
BWU3627-1 x electronic1 x 2 channelsout of AUXout of AUX1 x M12 cable socket, straight, 5 poles-5 myes, depth: 19 mm1 x ASi, 1 x AUX1 Single address-
BWU3376-1 x electronic1 x 2 channelsout of AUXout of AUX1 x M12 cable socket, straight, 5 poles-1 myes, depth: 19 mm1 x ASi, 1 x AUX1 Single addressto connect Euchner MGB / Pizzato ST GD210MP-G1T to ASi
BWU3373--1 x 2 channelsout of ASi-1 x round cable/connecting wires-0,30 myes, depth: 19 mm1 x ASi1 Single address-
BWU3553--1 x 2 channelsout of ASi-1 x M8 cable socket, straight, 4 poles-0,20 myes, depth: 19 mm1 x ASi1 Single addressto connect Sick RE13-SA84 / RE13-SAC / RE23-SAC / RE23-SA84 to ASi
BWU3413--1 x 2 channelsout of ASi-1 x M12 cable socket, angled, 5 poles-1 myes, depth: 19 mm1 x ASi1 Single address-
BWU3626--1 x 2 channelsout of ASi-1 x M12 cable socket, straight, 5 poles-1 myes, depth: 19 mm1 x ASi1 Single address-
BWU4701--1 x 2 channelsout of ASi-1 x M12 cable socket, straight, 5 poles-2 myes, depth: 19 mm1 x ASi1 Single address-

 

 

 

ASi Slaves/IO-Link Master: Active Distributors, IP67

  • IO-Link ports class A
  • IO-Link ports class B
Figure Model Number of IO-Link Ports

Port class A (M12): Pin 4 configurable (IO-Link/DI/DO), additional digital input at pin 2. Compatible with 3 pol IO-Link devices (M8).

Configurable terminals: Terminal assignment (C/Q, L+, L-, I) compatible with pin assigment of IO-Link port class A (M12). Connected IO-Link devices with port class B (M12) with a higher current consumption have to be supplied directly via a separate power supply. Compatible with 3 pol IO-Link devices (M8).

IO-Link Port Class A

Port class B (M12): Pin 4 configurable (IO-Link/DI/DO), additional power supply (galvanically isolated) for IO-Link devices at pins 2 and 5. Compatible with 3 pol IO-Link devices (M8).

Configurable terminals: Terminal assignment (C/Q, L+, L-, I) compatible with pin assigment of IO-Link port class A (M12). Connected IO-Link devices with port class B (M12) with a higher current consumption have to be supplied directly via a separate power supply. Compatible with 3 pol IO-Link devices (M8).

IO-Link Port Class B

IO-Link and additional inputs/outputs are supplied by ASi or by AUX (auxiliary 24 V power). If supplied by ASi, inputs can neither be connected to earth nor to external potential.

Sensor supply (IO-Link supply and input/output supply)

Connection via M12: For IO-Link ports class B the supply of actuators is provided by an additional (galvanically isolated) power supply by AUX (auxiliary 24 V power) via Pin 2 (P24) and Pin 5 (N24).

Connection via clamps: If connected IO-Link Devices with IO-Link ports class B need a higher current consumption, additionally they can be supplied directly via the power supply.

Actuator supply (for IO-Link ports class B)

PUR line, oil resistant. Further connection options are available on request.

      M12 socket M12 cable socket, angled  M12 cable socket, straight   M8 cable socket, straight   round cable/connecting wires     profile cable branch          push in terminals
       2 x round cables/connecting wires 2,5 mm²

Connection

Under normal conditions (no bus termination or repeater), the permissible total length of the ASi segment is max. 100 m. The calculation should take into consideration that the length of the connection cable (round cable) for each connected passive distributor must be doubled.

In the case of the active distributors (ASi modules) however only the one ASi profile cable is counted.

Round cable

COM1 = 4.8 kBaud

COM2 = 38.4 kBaud

COM3 = 230.4 kBaud (optional according to Specification V1.0)

 

An IO-Link device supports only one of the defined data transmission rates.

According to Specification V1.1, the IO-Link master supports all data transmission rates and adapts itself automatically to the data transmission rate supported by the device.

IO-Link data rate
IO-Link specification

Modules with a flat housing design and with cables which exit the sides make these ideal for installation in cable ducts, cable channels, cable troughs, cable rails or cable trays. Please note the respective housing depth for your particular installation.

Flat design, installation in cable duct possible
Profile cable connection

AB address (max. 62 AB addresses/ASi network), 2 AB addresses (max. 31 modules with 2 AB addresses), Single addresses (max. 31 Single addresses/ASi network), ASi-5 address (max. 62 ASi-5 addresses/ASi network), mixed use allowed.
For ASi modules with two ASi nodes the second Asi node is turned off as long as the first Asi node is addressed to address "0".
Upon request, ASi modules are available with specific ASi node profiles.

ASi address
Article No.
BWU4077ASi module with integrated IO-Link master211out of AUXout of AUX2 x M12 cable sockets, straight, 5 poles1 mCOM1 / COM2 / COM3V1.1yes, depth: 35 mm1 x ASi, 1 x AUX1 ASi-5 address
BWU4748ASi module with integrated IO-Link master11-out of ASi-1 x M12 cable socket, straight, 5 poles1 mCOM1 / COM2 / COM3V1.1yes, depth: 35 mm1 x ASi1 ASi-5 address
BWU4088ASi module with integrated IO-Link master1-1out of AUXout of AUX1 x M12 cable socket, straight, 5 poles1 mCOM1 / COM2 / COM3V1.1yes, depth: 35 mm1 x ASi, 1 x AUX1 ASi-5 address

 

 

Analog Modules ASi: IP67, M12

Figure Inputs analog Outputs analog

Single wiring: 1 input or output per connection.

 

Y wiring: 2 inputs or outputs per connection.

 

Mixed wiring: 1 input and 1 output per connection.

 

Exact pin assignment see data sheet.

M8/M12 wiring

inputs are supplied by ASi or by AUX (auxiliary 24 V power). If supplied by ASi, inputs shall not be connected to earth or to external potential.

Input voltage (sensor supply)

Electronic outputs are supplied by ASi or by AUX (auxiliary 24 V power). If supplied by ASi, outputs shall not be connected to earth or to external potential.

 

For relay outputs the relay contacts are initiated from ASi. The load circuit is powered externally as specified in the data sheet.

Output voltage (actuator supply)

The connection to ASi as well to AUX (auxiliary 24 V power) is made via yellow resp. black ASi profile cable with piercing technology or via M12 socket (in IP20 via clamps).


Line protection: If the module is supplied via a M12 connection with A or B coding, it may only be used with a current load of max. 4 A per pin in acc. with IEC 61076-2-101 and IEC 61076-2-109. A fused tap is recommended. There is no such limitation for modules supplied via piercing contacts.

ASi connection

AB address (max. 62 AB addresses/ASi network), 2 AB addresses (max. 31 modules with 2 AB addresses), Single addresses (max. 31 Single addresses/ASi network), ASi-5 address (max. 62 ASi-5 addresses/ASi network), mixed use allowed.
For ASi modules with two ASi nodes the second Asi node is turned off as long as the first Asi node is addressed to address "0".
Upon request, ASi modules are available with specific ASi node profiles.

ASi address
Article No.
BWU31002 x 4 … 20 mA-Signal at pin2/pin4out of ASi-ASi profile cable1 AB address
BWU31022 x 0 ... 10 V-Signal at pin2/pin4out of ASi-ASi profile cable1 AB address
BWU31042 x Pt100-Signal at pin2/pin4out of ASi-ASi profile cable1 AB address
BWU3105-2 x 0 ... 20 mASignal at pin1/pin3-out of AUXASi profile cable1 Single address
BWU3106-2 x 0 ... 20 mASignal at pin2/pin4-out of AUXASi profile cable1 Single address
BWU3107-2 x 0 … 10 VSignal at pin1/pin3-out of AUXASi profile cable1 Single address
BWU23132 x Pt100-Signal at pin2/pin4out of AUXout of AUXASi profile cable2 AB addresses

 

 

Digital Modules ASi: IP20, 22,5 mm

  • Cost efficient solution in IP20, 22,5 mm
Figure Inputs digital Outputs digital

inputs are supplied by ASi or by AUX (auxiliary 24 V power). If supplied by ASi, inputs shall not be connected to earth or to external potential.

Input voltage (sensor supply)

Electronic outputs are supplied by ASi or by AUX (auxiliary 24 V power). If supplied by ASi, outputs shall not be connected to earth or to external potential.

 

For relay outputs the relay contacts are initiated from ASi. The load circuit is powered externally as specified in the data sheet.

Output voltage (actuator supply)

"Control cabinet":
Cost-optimized modules whereby the supply voltage for the sensors and actuators is connected via additional patch terminals. Optimal application in the main control cabinet.


"Decentralized control cabinet":
Ideal for use in decentralized control cabinets. 3-wire sensors or actuators can be connected directly to terminals in the module

without additional patch terminals or the module has an extremely flat design.

Primary application

AB address (max. 62 AB addresses/ASi network), 2 AB addresses (max. 31 modules with 2 AB addresses), Single addresses (max. 31 Single addresses/ASi network), ASi-5 address (max. 62 ASi-5 addresses/ASi network), mixed use allowed.
For ASi modules with two ASi nodes the second Asi node is turned off as long as the first Asi node is addressed to address "0".
Upon request, ASi modules are available with specific ASi node profiles.

ASi address
Article No.
BWU278344 x electronicout of ASiout of ASidecentralized control cabinet1 AB address
BWU327244 x electronicout of ASiout of ASidecentralized control cabinet1 Single address
BWU37474-out of ASi-decentralized control cabinet1 AB address
BWU384244 x electronicout of AUXout of AUX, 2 A per outputdecentralized control cabinet1 AB address
BWU355944 x electronicout of AUXout of AUXcontrol cabinet1 AB address
BWU373343 x electronicout of AUXout of AUXcontrol cabinet1 AB address
BWU27234-out of AUX-control cabinet1 AB address
BWU193844 x electronicout of AUXout of AUXcontrol cabinet1 AB address
BWU275944 x electronicout of AUXout of AUXcontrol cabinet1 Single address
BWU27218-out of AUX-control cabinet2 AB addresses
BWU32664-out of AUX-decentralized control cabinet1 AB address
BWU32654-out of ASi-decentralized control cabinet1 AB address
BWU387843 x relayout of ASi-control cabinet1 AB address
BWU418444 x relayout of AUX-control cabinet1 AB address
BWU343544 x relayout of ASi-control cabinet1 Single address
BWU365844 x relayout of ASi-control cabinet1 Single address (S-7.0.F.E)
BWU354944 x relayout of ASi-control cabinet1 AB address
BWU3884up to 16, depending on configurationup to 16 x electronic, depending on configurationout of AUXout of AUXcontrol cabinet1 ASi-5 address
BWU387416-out of AUX-control cabinet1 ASi-5 address
BWU38738-out of AUX-control cabinet1 ASi-5 address
BWU387288 x electronicout of AUXout of AUXcontrol cabinet1 ASi-5 address
BWU3879-16 x electronic-out of AUXcontrol cabinet1 ASi-5 address
BWU249088 x electronicout of AUXout of AUXcontrol cabinet2 AB addresses
BWU426588 x electronicout of AUXout of AUXcontrol cabinet2 AB addresses
BWU280088 x electronicout of AUXout of AUXcontrol cabinet2 Single addresses
BWU33598 (NPN)8 x electronic (NPN)out of AUXout of AUXcontrol cabinet2 AB addresses
BWU336488 x electronicout of ASiout of AUXcontrol cabinet2 AB addresses
BWU326844 x electronicout of AUXout of AUXdecentralized control cabinet1 AB address
BWU326744 x electronicout of ASiout of AUXdecentralized control cabinet1 AB address
BWU375444 x electronicout of ASiout of AUXdecentralized control cabinet1 Single address

 

 

ASi Modules/IO-Link Masters: IP20, 22,5 mm

  • Cost efficient solution in IP20, 22,5 mm
  • IO-Link ports class A
  • IO-Link ports class B
  • If connected IO-Link devices with port class B (M12) require an andditional power supply, they have to be supplied directly via a separate power supply.
Figure Model Number of IO-Link Ports

Port class A (M12): Pin 4 configurable (IO-Link/DI/DO), additional digital input at pin 2. Compatible with 3 pol IO-Link devices (M8).

Configurable terminals: Terminal assignment (C/Q, L+, L-, I) compatible with pin assigment of IO-Link port class A (M12). Connected IO-Link devices with port class B (M12) with a higher current consumption have to be supplied directly via a separate power supply. Compatible with 3 pol IO-Link devices (M8).

IO-Link Port Class A

Port class B (M12): Pin 4 configurable (IO-Link/DI/DO), additional power supply (galvanically isolated) for IO-Link devices at pins 2 and 5. Compatible with 3 pol IO-Link devices (M8).

Configurable terminals: Terminal assignment (C/Q, L+, L-, I) compatible with pin assigment of IO-Link port class A (M12). Connected IO-Link devices with port class B (M12) with a higher current consumption have to be supplied directly via a separate power supply. Compatible with 3 pol IO-Link devices (M8).

IO-Link Port Class B

IO-Link and additional inputs/outputs are supplied by ASi or by AUX (auxiliary 24 V power). If supplied by ASi, inputs can neither be connected to earth nor to external potential.

Sensor supply (IO-Link supply and input/output supply)

Connection via M12: For IO-Link ports class B the supply of actuators is provided by an additional (galvanically isolated) power supply by AUX (auxiliary 24 V power) via Pin 2 (P24) and Pin 5 (N24).

Connection via clamps: If connected IO-Link Devices with IO-Link ports class B need a higher current consumption, additionally they can be supplied directly via the power supply.

Actuator supply (for IO-Link ports class B)

COM1 = 4.8 kBaud

COM2 = 38.4 kBaud

COM3 = 230.4 kBaud (optional according to Specification V1.0)

 

An IO-Link device supports only one of the defined data transmission rates.

According to Specification V1.1, the IO-Link master supports all data transmission rates and adapts itself automatically to the data transmission rate supported by the device.

IO-Link data rate
IO-Link specification

"Control cabinet":
Cost-optimized modules whereby the supply voltage for the sensors and actuators is connected via additional patch terminals. Optimal application in the main control cabinet.


"Decentralized control cabinet":
Ideal for use in decentralized control cabinets. 3-wire sensors or actuators can be connected directly to terminals in the module

without additional patch terminals or the module has an extremely flat design.

Primary application

AB address (max. 62 AB addresses/ASi network), 2 AB addresses (max. 31 modules with 2 AB addresses), Single addresses (max. 31 Single addresses/ASi network), ASi-5 address (max. 62 ASi-5 addresses/ASi network), mixed use allowed.
For ASi modules with two ASi nodes the second Asi node is turned off as long as the first Asi node is addressed to address "0".
Upon request, ASi modules are available with specific ASi node profiles.

ASi address
Article No.
BWU3843ASi module with integrated IO-Link master4configurable terminalsconfigurable terminalsout of AUX-COM1 / COM2 / COM3V1.1control cabinet1 ASi-5 address

 

 

ASi Counter Modules,IP20, 22,5 mm

  • Conter input 4 x 2 channels or 4 x 1 channel, depending on configuration
  • Pulse counter
  • Cost efficient solution in IP20, 22,5 mm
Figure Model Inputs digital counting rate

inputs are supplied by ASi or by AUX (auxiliary 24 V power). If supplied by ASi, inputs shall not be connected to earth or to external potential.

Input voltage (sensor supply)

AB address (max. 62 AB addresses/ASi network), 2 AB addresses (max. 31 modules with 2 AB addresses), Single addresses (max. 31 Single addresses/ASi network), ASi-5 address (max. 62 ASi-5 addresses/ASi network), mixed use allowed.
For ASi modules with two ASi nodes the second Asi node is turned off as long as the first Asi node is addressed to address "0".
Upon request, ASi modules are available with specific ASi node profiles.

ASi address
Article No.
BWU3875counter module, pulse counter4 x counter inputsmax. 250 kHzout of AUX1 ASi-5 address

 

 

Analog Modules ASi: IP20

Figure Inputs analog Outputs analog

inputs are supplied by ASi or by AUX (auxiliary 24 V power). If supplied by ASi, inputs shall not be connected to earth or to external potential.

Input voltage (sensor supply)

Electronic outputs are supplied by ASi or by AUX (auxiliary 24 V power). If supplied by ASi, outputs shall not be connected to earth or to external potential.

 

For relay outputs the relay contacts are initiated from ASi. The load circuit is powered externally as specified in the data sheet.

Output voltage (actuator supply)

AB address (max. 62 AB addresses/ASi network), 2 AB addresses (max. 31 modules with 2 AB addresses), Single addresses (max. 31 Single addresses/ASi network), ASi-5 address (max. 62 ASi-5 addresses/ASi network), mixed use allowed.
For ASi modules with two ASi nodes the second Asi node is turned off as long as the first Asi node is addressed to address "0".
Upon request, ASi modules are available with specific ASi node profiles.

ASi address
Article No.
BWU18972 x 4 ... 20 mA/2 x 0 … 10 V-selectable, out of ASi or out of AUX, Default out of ASi-1 AB address
BWU1412-2 x 0 … 20 mA/2 x 0 …10 V-selectable, out of ASi or out of AUX, default out of ASi1 Single address
BWU2224-2 x +-10 V-out of AUX1 Single address
BWU13684 x Pt100 -out of ASi-1 Single address
BWU19334 x thermocouple type J -out of ASi-1 Single address
BWU22434 x thermocouple type K-out of ASi-1 Single address

 

 

Replacement, ASi version 2.0

Single addresses work even with the first ASi Masters.