Safety I/O Modules
Bihl+Wiedemann offers the right module for accessing any safety input signal. Both control cabinet modules (IP20) and field modules (IP67) are available. From a single safety input or output to safety multi-I/O modules we offer the right ASi modul for your requirements. Many of our modules also include available outputs for standard signals.
Safety I/O Modules: Input/output modules, IP20
- All Safety I/O Modules: SIL 3, Cat. 4, PLe
- Compact form factor
- Safety inputs
- Safety outputs
- Additional standard inputs and standard outputs
Figure | Inputs Safety, SIL 3, Cat. 4 | Safety signal inputs | Outputs 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. |
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. |
Length of connector cable |
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. |
Article No. |
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8 x 2 channels | floating contacts, optoelectronic protective devices, complementary switch | 1 release circuit, 1 x electronic safe outputs, augmented reliability | out of AUX | out of AUX | unlimited | depending on configuration, optimised for ASIMON360 | BWU3428 ASi Safety I/O Module, IP20, 8SI/1SO |
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6 x 2 channels | floating contacts, optoelectronic protective devices, complementary switch | 2 release circuits, 2 x electronic safe outputs, augmented reliability | out of AUX | out of AUX | unlimited | depending on configuration, optimised for ASIMON360 | BWU3883 ASi Safety I/O Module, IP20, 6SI/2SO/2EDM |
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4 x 2 channels | floating contacts, optoelectronic protective devices, complementary switch | 2 release circuits, 2 x electronic safe outputs, augmented reliability | out of AUX | out of AUX | unlimited | depending on configuration, optimised for ASIMON360 | BWU3427 ASi Safety I/O Module, IP20, 4SI/2SO |
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1 x 2 channels | floating contacts | 1 release circuit, 2 x relay | out of AUX | - | unlimited | 2 Single addresses + 1 AB address | BWU2236 ASi Safety I/O Module, IP20, 1SI/1SRO/1EDM |
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2 x 2 channels | floating contacts, complementary optoelectronic protective devices | - | out of AUX | - | unlimited | 2 Single addresses | BWU3671 ASi Safety Input Module, IP20, 2SI |
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2 x 2 channels | floating contacts, optoelectronic protective devices | - | out of AUX | - | unlimited | 2 Single addresses | BWU3696 ASi Safety Input Module, IP20, 2SI |
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2 x 2 channels | floating contacts | - | out of AUX | out of AUX | unlimited | 2 Single addresses | BWU2707 ASi Safety Input Module, IP20, 2SI/4O |
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1 x 2 channels | floating contacts | - | out of AUX | out of AUX | unlimited | 1 Single address | BWU3013 ASi Safety Input Module, IP20, 1SI/2O |
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1 x 2 channels | floating contacts | - | out of ASi | out of AUX | max. 15 m | 1 Single address | BWU1939 ASi Safety Input Module, IP20, 1SI/2O |
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1 x 2 channels | floating contacts | - | out of ASi | out of ASi | max. 15 m | 1 Single address | BWU2724 ASi Safety Input Module, IP20, 1SI/2O |
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1 x 2 channels | optoelectronic protective devices | - | out of AUX | out of AUX | unlimited | 1 Single address | BWU2577 ASi Safety Input Module, IP20, 1SI/2O |
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1 x 2 channels | complementary switch | - | out of ASi | out of ASi | max. 15 m | 1 Single address | BWU3882 ASi Safety Input Module, IP20, 1SI/2O |
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1 x 2 channels; SIL 2, Cat. 3 | safety mats 1.2 kΩ or 8.2 kΩ monitoring resistor | - | out of AUX | out of AUX | max. 15 m | 1 Single address | BWU2661 ASi Safety Input Module, IP20, 1SI/2O |
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1 x 2 channels | 4 ... 20 mA / 0 ... 10 V / Pt100 | - | out of AUX | - | unlimited | depending on configuration | BWU2692 ASi Safety Analog Input Module, IP20, 1SI |
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1 x 2 channels | thermocouples | - | out of ASi | - | unlimited | depending on configuration | BWU3271 ASi Safety Thermocouple Module, IP20, 1SI |
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- | - | 1-8 release circuits, 8 x electronic safe outputs | out of AUX | out of AUX | unlimited | depending on configuration | BWU2836 ASi Safety Output Module, IP20, 8SO/8I |
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- | - | 1 release circuit, 2 x electronic safe outputs, max. 3 A, augmented reliability | out of AUX | out of AUX | unlimited | 1 Single address + 2 AB addresses | BWU3398 ASi Safety Output Module, IP20, 1SO/3I/1EDM |
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- | - | 1 release circuit, 2 x electronic safe outputs | out of AUX | out of AUX | unlimited | 1 Single address + 2 AB addresses | BWU2173 ASi Safety Output Module, IP20, 1SO/3I/1EDM |
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- | - | 1 release circuit, 2 x electronic safe outputs, max. 3 A, augmented reliability | out of AUX | out of AUX | unlimited | 1 Single address + 1 AB address | BWU3869 ASi Safety Output Module, IP20, 1SO/1EDM |
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- | - | 1 release circuit, 2 x relay | out of ASi | - | I: max. 15 m; O: unlimited | 1 Single address + 1 AB address | BWU2045 ASi Safety Output Module, IP20, 1SRO/1EDM |
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- | - | 1 contact expander, 1 x electronic safe output 20 A | - | out of AUX | unlimited | - | BW3016 Safe Electronic Output 20 A |
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- | - | 1 contact expander, 1 x electronic safe output 10 A | - | out of AUX | unlimited | - | BW3281 Safe Electronic Output 10 A |
Safety I/O Modules: Input/output modules, IP67, M12
- Safety inputs SIL 3 Cat.4 and standard outputs in one module
- Bicolor LEDs per output, state (yellow), overload (red)
Figure | Inputs Safety, SIL 3, Cat. 4 | Safety signal inputs | Outputs 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. |
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. |
Length of connector cable |
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).
|
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. |
Special function | Article No. |
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2 x 2 channels | floating contacts | - | out of ASi | - | max. 15 m | ASi profile cable | 2 Single addresses | - | BWU2631 ASi Safety Input Module, IP67, M12, 2SI |
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1 x 2 channels | floating contacts | - | out of ASi | out of AUX | max. 15 m | ASi profile cable | 1 Single address | - | BWU2284 ASi Safety Input Module, IP67, M12, 1SI/2O |
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1 x 2 channels | floating contacts | - | out of ASi | out of AUX | max. 15 m | ASi via M12 | 1 Single address | - | BWU2369 ASi Safety Input Module, IP67, M12, 1SI/2O |
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1 x 2 channels | optoelectronic protective devices | - | out of AUX | out of AUX | unlimited | ASi profile cable | 1 Single address | - | BWU2270 ASi Safety Input Module, IP67, M12, 1SI/2O |
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1 x 2 channels | optoelectronic protective devices | - | out of AUX | out of AUX | unlimited | ASi profile cable | 1 Single address | Reset output for optoelectronic protective devices | BWU2689 ASi Safety Input Module, IP67, M12, 1SI/2O |
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1 x 2 channels | optoelectronic protective devices | - | out of AUX | out of AUX | unlimited | ASi via M12 | 1 Single address | - | BWU2370 ASi Safety Input Module, IP67, M12, 1SI/2O |
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1 x 2 channels | optoelectronic protective devices | - | out of ASi | out of ASi | unlimited | ASi via M12 | 1 Single address | - | BWU2960 ASi Safety Input Module, IP67, M12, 1SI/2O |
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1 x 2 channels | complementary switch | - | out of ASi | out of AUX | max. 15 m | ASi profile cable | 1 Single address | - | BWU2814 ASi Safety Input Module, IP67, M12, 1SI/2O |
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6-8 x 2 channels; depending on configuration | floating contacts, optoelectronic protective devices, complementary switch | up to 2 release circuits, up to 2 x electronic safe outputs; depending on configuration | out of ASi | out of ASi | unlimited | ASi profile cable | depending on configuration | - | BW3489 ASi Safety I/O Module, IP67, M12, 6-8SI/2SO/16I/16O |
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6-8 x 2 channels; depending on configuration | floating contacts, optoelectronic protective devices, complementary switch | up to 2 release circuits, up to 2 x electronic safe outputs; depending on configuration | out of ASi | out of ASi | unlimited | ASi via M12 | depending on configuration | - | BW3499 ASi Safety I/O Module, IP67, M12, 6-8SI/2SO/16I/16O |
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6-8 x 2 channels; depending on configuration | floating contacts, optoelectronic protective devices, complementary switch | up to 2 release circuits, up to 2 x electronic safe outputs; depending on configuration | out of AUX | out of AUX | unlimited | ASi profile cable | depending on configuration | muting | BW3490 ASi Safety I/O Module, IP67, M12, 6-8SI/2SO/16I/16O |
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2 x 2 channels | floating contacts, optoelectronic protective devices | 4 release circuits, 4 x electronic safe outputs | out of AUX | out of AUX | unlimited | ASi profile cable | depending on configuration | - | BWU3064 ASi Safety I/O Module, IP67, M12, 2SI/4SO/6I |
Safety I/O Modules: Active Distributors ASi Safety, IP67
Figure | Inputs Safety, SIL 3, Cat. 4 | Safety signal inputs |
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. |
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. |
PUR line, oil resistant. Further connection options are available on request.
|
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. |
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. |
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. |
status of in- and outputs is indicated by LEDs. In addition to that, both ASi LEDs (PWR green and FAULT red) show - as usual regarding the ASi modules - the status of the ASi modules. Uaux is indicated by a green LED. |
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. |
Special function | Article No. | ||||||||||||||||||||
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1 x 2 channels | floating contacts | out of ASi | out of ASi | 1 x round cable/connecting wires + 1 x ASi addressing cable socket | - | 2 m | yes, depth: 35 mm | yes | 1 x ASi | 1 Single address | to connect 2 x NC contacts to ASi | BWU3604 Active Distributor ASi Safety, IP54, 1SI/2O | ||||||||||||||||||||
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1 x 2 channels | floating contacts | out of ASi | out of AUX | 1 x round cable/connecting wires | - | 1 m | yes, depth: 35 mm | yes | 1 x ASi, 1 x AUX 24 V | 1 Single address | to connect 2 x NC contacts to ASi | BWU3425 Active Distributor ASi Safety, IP67, 1SI/1O | ||||||||||||||||||||
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1 x 2 channels | floating contacts | out of ASi | out of AUX | 1 x M12 cable socket, straight, 8 poles | - | 1 m | yes, depth: 35 mm | yes | 1 x ASi, 1 x AUX 24 V | 1 Single address | - | BWU3750 Active Distributor ASi Safety, IP67, 1SI/1O | ||||||||||||||||||||
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1 x 2 channels | optoelectronic protective devices | out of AUX | out of AUX | 1 x M12 cable socket, straight 8 poles + 1 x M12 cable socket, straight, 5 poles | - | 10 m | yes, depth: 19 mm | yes | 1 x ASi, 1 x AUX 24 V | 1 Single address | to connect Leuze MLC530SPG (operation mode 5) to ASi | BWU3718 Active Distributor ASi Safety, IP67, 1SI/2O | ||||||||||||||||||||
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1 x 2 channels | optoelectronic protective devices | out of AUX | out of AUX | 1 x M12 cable socket, straight 8 poles + 1 x M12 cable socket, straight, 5 poles | - | SI/O: 0,5 m, 24V: 2 m | yes, depth: 19 mm | yes | 1 x ASi, 1 x AUX 24 V | 1 Single address | To connect Sick deTec4 to ASi | BWU3725 Active Distributor ASi Safety, IP67, 1SI/2O | ||||||||||||||||||||
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1 x 2 channels | floating contacts | out of ASi | out of ASi | 2 x round cables/connecting wires | - | 1 m | yes, depth: 19 mm | yes | 1 x ASi | 1 Single address | to connect 2 x NC contacts to ASi | BWU3249 Active Distributor ASi Safety, IP67, 1SI/1O | ||||||||||||||||||||
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1 x 2 channels | floating contacts | out of ASi | - | 2 x round cables/connecting wires | - | 10 m | yes, depth: 19 mm | yes | 1 x ASi | 1 Single address | to connect 2 x NC contacts to ASi | BWU3600 Active Distributor ASi Safety, IP67, 1SI | ||||||||||||||||||||
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1 x 2 channels | optoelectronic protective devices | out of AUX | out of AUX | 1 x M12 cable socket, straight, 8 poles | - | 2 m | yes, depth: 19 mm | yes | 1 x ASi, 1 x AUX 24 V | 1 Single address | to connect Leuze MLD530-RT3M (operation mode 5) to ASi | BWU3719 Active Distributor ASi Safety, IP67, 1SI/2O | ||||||||||||||||||||
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1 x 2 channels | optoelectronic protective devices | out of AUX | out of AUX | 1 x round cable/connecting wires | - | 2 m | yes, depth: 19 mm | yes | 1 x ASi, 1 x AUX 24 V | 1 Single address | to connect Leuze MLD530-RT3M to ASi | BWU4166 Active Distributor ASi Safety, IP67, 1SI/2O | ||||||||||||||||||||
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1 x 2 channels | floating contacts | out of ASi | out of ASi | 1 x round cable/connecting wires | - | 10 m | yes, depth: 19 mm | yes | 1 x ASi | 1 Single address | to connect 2 x NC contacts to ASi | BWU3599 Active Distributor ASi Safety, IP67, 1SI/1O | ||||||||||||||||||||
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1 x 2 channels | floating contacts | out of ASi | out of ASi | 1 x round cable/connecting wires | - | 1 m | yes, depth: 19 mm | yes | 1 x ASi | 1 Single address | to connect 2 x NC contacts to ASi | BWU3248 Active Distributor ASi Safety, IP67, 1SI/1O | ||||||||||||||||||||
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1 x 2 channels | floating contacts | out of ASi | - | 1 x round cable/connecting wires | - | 0,30 m | yes, depth: 19 mm | yes | 1 x ASi | 1 Single address | to connect 2 x NC contacts to ASi | BWU3373 Active Distributor ASi Safety, IP67, 1SI | ||||||||||||||||||||
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1 x 2 channels | floating contacts | out of ASi | - | 1 x M8 cable socket, straight, 4 poles | - | 0,20 m | yes, depth: 19 mm | yes | 1 x ASi | 1 Single address | to connect Sick RE13-SA84 / RE13-SAC / RE23-SAC / RE23-SA84 to ASi | BWU3553 Active Distributor ASi Safety, IP67, 1SI | ||||||||||||||||||||
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1 x 2 channels | floating contacts | out of ASi | - | 1 x M12 cable socket, angled, 5 poles | - | 1 m | yes, depth: 19 mm | yes | 1 x ASi | 1 Single address | to connect E-STOP buttons to ASi via M12 | BWU3413 Active Distributor ASi Safety, IP67, 1SI | ||||||||||||||||||||
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1 x 2 channels | floating contacts | out of ASi | - | 1 x M12 cable socket, straight, 5 poles | - | 1 m | yes, depth: 19 mm | yes | 1 x ASi | 1 Single address | to connect E-STOP buttons to ASi via M12 | BWU3626 Active Distributor ASi Safety, IP67, 1SI | ||||||||||||||||||||
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1 x 2 channels | floating contacts | out of ASi | out of ASi | 1 x M12 cable socket, angled, 8 poles | - | 1 m | yes, depth: 19 mm | yes | 1 x ASi | 1 Single address | - | BWU3796 Active Distributor ASi Safety, IP67, 1SI/1O | ||||||||||||||||||||
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1 x 2 channels | floating contacts | out of ASi | out of ASi | 1 x M12 cable socket, straight, 8 poles | - | 1 m | yes, depth: 19 mm | yes | 1 x ASi | 1 Single address | - | BWU4702 Active Distributor ASi Safety, IP67, 1SI/1O | ||||||||||||||||||||
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1 x 2 channels | floating contacts | out of ASi | - | 1 x M12 cable socket, straight, 5 poles | - | 2 m | yes, depth: 19 mm | yes | 1 x ASi | 1 Single address | to connect E-STOP buttons to ASi via M12 | BWU4701 Active Distributor ASi Safety, IP67, 1SI | ||||||||||||||||||||
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1 x 2 channels | optoelectronic protective devices | out of AUX | out of AUX | 1 x M12 cable socket, angled, 5 poles | - | 1 m | yes, depth: 19 mm | yes | 1 x ASi, 1 x AUX 24 V | 1 Single address | - | BW3299 Active Distributor ASi Safety, IP67, 1SI/1O | ||||||||||||||||||||
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1 x 2 channels | optoelectronic protective devices | out of AUX | out of AUX | 1 x M12 cable socket, straight, 5 poles | - | 5 m | yes, depth: 19 mm | yes | 1 x ASi, 1 x AUX 24 V | 1 Single address | - | BWU3627 Active Distributor ASi Safety, IP67, 1SI/1O | ||||||||||||||||||||
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1 x 2 channels | optoelectronic protective devices | out of AUX | out of AUX | 1 x M12 cable socket, straight, 5 poles | - | 1 m | yes, depth: 19 mm | yes | 1 x ASi, 1 x AUX 24 V | 1 Single address | to connect Euchner MGB / Pizzato ST GD210MP-G1T to ASi | BWU3376 Active Distributor ASi Safety, IP67, 1SI/1O | ||||||||||||||||||||
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1 x 2 channels | optoelectronic protective devices | out of AUX | out of AUX | 1 x M12 cable socket, straight, 8 poles | - | 5 m | yes, depth: 19 mm | yes | 1 x ASi, 1 x AUX 24 V | 1 Single address | to connect Pilz PSENslock, PSENcode to ASi | BWU3721 Active Distributor ASi Safety, IP67, 1SI/1I/1O | ||||||||||||||||||||
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1 x 2 channels | optoelectronic protective devices | out of AUX | out of AUX | 1 x M12 cable socket, straight, 8 poles | - | 1 m | yes, depth: 19 mm | yes | 1 x ASi, 1 x AUX 24 V | 1 Single address | to connect Pilz PSENslock, PSENcode to ASi | BWU3488 Active Distributor ASi Safety, IP67, 1SI/1I/1O | ||||||||||||||||||||
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1 x 2 channels | optoelectronic protective devices | out of AUX | out of AUX | 1 x M12 cable socket, straight, 8 poles | - | 1 m | yes, depth: 19 mm | yes | 1 x ASi, 1 x AUX 24 V | 1 Single address | to connect Schmersal AZM400 to ASi | BWU3565 Active Distributor ASi Safety, IP67, 1SI/1I/1O | ||||||||||||||||||||
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1 x 2 channels | optoelectronic protective devices | out of AUX | out of AUX | 1 x M12 cable socket, straight, 8 poles | - | 1 m | yes, depth: 19 mm | yes | 1 x ASi, 1 x AUX 24 V | 1 Single address | to connect Schmersal AZM200 / AZM201 / AZM300 / MZM100 to ASi | BWU3635 Active Distributor ASi Safety, IP67, 1SI/1I/1O |
Safety I/O Modules: Circuit Board Modules ASi, PCB Solutions
- Special versions on request
Figure | Inputs Safety, SIL 3, Cat. 4 | Safety signal inputs |
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. |
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. |
Length of connector cable |
Coating protects components and circuit boards when touched.
|
further connection options are available on request.
|
status of in- and outputs is indicated by LEDs. In addition to that, both ASi LEDs (PWR green and FAULT red) show - as usual regarding the ASi modules - the status of the ASi modules. Uaux is indicated by a green LED. |
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).
|
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. |
Special function | Article No. | ||||||||||||||||||
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1 x 2 channels | floating contacts | out of ASi | out of ASi | max. 15 m | thick coated | connecting wires, 200 mm | yes | connecting wires, 200 mm | 1 Single address | for mounting in E-STOP housing | BWR3067 ASi Safety PCB Module, 43 mm x 30 mm | ||||||||||||||||||
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1 x 2 channels | floating contacts | out of ASi | out of ASi | max. 15 m | thick coated | connecting wires, 100 mm | yes | connecting wires, 100 mm | 1 Single address | for mounting in E-STOP housing | BWR2426 ASi Safety PCB Module, 43 mm x 30 mm | ||||||||||||||||||
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1 x 2 channels | floating contacts | out of ASi | out of ASi | max. 15 m | thick coated | connecting wires, 100 mm + contact pins | yes | connecting wires, 100 mm | 1 Single address | for mounting in E-STOP housing | BWR2521 ASi Safety PCB Module, 43 mm x 30 mm | ||||||||||||||||||
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1 x 2 channels | floating contacts | out of ASi | out of AUX | max. 15 m | no | plug-in screw terminals | yes | plug-in connecting wires | 1 Single address | - | BWR1896 ASi Safety PCB Module, 73 mm x 37,5 mm | ||||||||||||||||||
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1 x 2 channels | floating contacts | out of ASi | out of AUX | max. 15 m | no | screw terminals | yes | screw terminals | 1 Single address | - | BWR1751 ASi Safety PCB Module, 73 mm x 37,5 mm | ||||||||||||||||||
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- | - | out of AUX | out of AUX | max. 3 m | thick coated | screw terminals | yes | screw terminals | 1 Single address + 2 AB addresses | - | BW2914 ASi Safety PCB Module, 85 mm x 80 mm |