Safety Monitor

The Safety Monitor enables safe transmission and processing of safety relevant data from safety input modules and safe shut-off of safety output modules remotely over ASi right where the potentially hazardous motion takes place. And always PLe compliant.
Bihl+Wiedemann offers the Safety Monitor for ASi Safety at Work as a stand-alone device for expanding existing ASi circuits with safety modules. For new systems we can provide our ASi-3 resp. ASi-5/ASi-3 gateways with integrated Safety Monitor and interfaces for the most commonly used automation systems using the most efficient method for safely constructing 1 or 2 ASi circuits at the same time. Even large applications with up to 1922 safety I/Os can be implemented with these devices using our “Safe Link over Ethernet” technology by connecting multiple gateways safely over Ethernet/Profinet.
For small applications with three or more safe signals you should consider our Safety Basic Monitor, a compact safety controller without gateway but with configurable status outputs. The module allows for universal expansion and is also ideal as a head station for special safety applications.

The Safety Monitor enables safe transmission and processing of safety relevant data from safety input modules and safe shut-off of safety output modules remotely over ASi right where the potentially hazardous motion takes place. And always PLe compliant.
Bihl+Wiedemann offers the Safety Monitor for ASi Safety at Work as a stand-alone device for expanding existing ASi circuits with safety modules. For new systems we can provide our ASi-3 resp. ASi-5/ASi-3 gateways with integrated Safety Monitor and interfaces for the most commonly used automation systems using the most efficient method for safely constructing 1 or 2 ASi circuits at the same time. Even large applications with up to 1922 safety I/Os can be implemented with these devices using our “Safe Link over Ethernet” technology by connecting multiple gateways safely over Ethernet/Profinet.
For small applications with three or more safe signals you should consider our Safety Basic Monitor, a compact safety controller without gateway but with configurable status outputs. The module allows for universal expansion and is also ideal as a head station for special safety applications.
Figure |
Fieldbus interface
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Safety communication
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Model
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Inputs Safety, SIL 3, Cat. 4
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Outputs Safety, SIL 3, cat. 4
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Number of ASi networks, number of ASi Master
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Integrated decoupling, ASi current measurement in the gateway
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---|---|---|---|---|---|---|---|
OPC UA, PROFINET
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PROFIsafe (F-CPU) + Safe Link
|
Gateway with integrated ASi-5/ASi-3 Safety Monitor
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3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
2 ASi networks, 2 ASi-5/ASi-3 Masters
|
yes, max. 4 A/ASi network
| |
OPC UA, PROFINET
|
PROFIsafe (F-CPU) + Safe Link
|
Gateway with integrated Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
2 ASi networks, 2 ASi-5/ASi-3 Masters
|
yes, max. 4 A/ASi network
| |
OPC UA, PROFINET
|
Safe Link
|
Gateway with integrated ASi-5/ASi-3 Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
2 ASi networks, 2 ASi-5/ASi-3 Masters
|
yes, max. 4 A/ASi network
| |
OPC UA, PROFINET
|
Safe Link
|
Gateway with integrated Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
2 ASi networks, 2 ASi-5/ASi-3 Masters
|
yes, max. 4 A/ASi network
| |
OPC UA, PROFINET
|
PROFIsafe (F-CPU) + Safe Link
|
Gateway with integrated ASi-5/ASi-3 Safety Monitor
|
no local safe input
|
no local safe output
|
2 ASi networks, 2 ASi-5/ASi-3 Masters
|
yes, max. 4 A/ASi network
| |
OPC UA, PROFINET
|
PROFIsafe (F-CPU) + Safe Link
|
Gateway with integrated Safety Monitor
|
no local safe input
|
no local safe output
|
2 ASi networks, 2 ASi-5/ASi-3 Masters
|
yes, max. 4 A/ASi network
| |
OPC UA, PROFINET
|
PROFIsafe (F-CPU) + Safe Link
|
Gateway with integrated ASi-5/ASi-3 Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
1 ASi network, 1 ASi-5/ASi-3 Master
|
yes, max. 4 A/ASi network
| |
OPC UA, PROFINET
|
PROFIsafe (F-CPU) + Safe Link
|
Gateway with integrated Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
1 ASi network, 1 ASi-5/ASi-3 Master
|
yes, max. 4 A/ASi network
| |
OPC UA, PROFINET
|
Safe Link
|
Gateway with integrated ASi-5/ASi-3 Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
1 ASi network, 1 ASi-5/ASi-3 Master
|
yes, max. 4 A/ASi network
| |
OPC UA, PROFINET
|
Safe Link
|
Gateway with integrated Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
1 ASi network, 1 ASi-5/ASi-3 Master
|
yes, max. 4 A/ASi network
| |
OPC UA, PROFINET
|
PROFIsafe (F-CPU) + Safe Link
|
Gateway with integrated ASi-5/ASi-3 Safety Monitor
|
no local safe input
|
no local safe output
|
1 ASi network, 1 ASi-5/ASi-3 Master
|
yes, max. 4 A/ASi network
| |
OPC UA, PROFINET
|
PROFIsafe (F-CPU) + Safe Link
|
Gateway with integrated Safety Monitor
|
no local safe input
|
no local safe output
|
1 ASi network, 1 ASi-5/ASi-3 Master
|
yes, max. 4 A/ASi network
| |
OPC UA, PROFINET
|
Safe Link
|
Gateway with integrated Safety Monitor
|
no local safe input
|
no local safe output
|
1 ASi network, 1 ASi-5/ASi-3 Master
|
yes, max. 4 A/ASi network
| |
PROFINET
|
PROFIsafe (F-CPU) + Safe Link
|
Gateway with integrated Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
2 ASi networks, 2 ASi-3 Masters
|
yes, max. 4 A/ASi network
| |
PROFINET
|
Safe Link
|
Gateway with integrated Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
2 ASi networks, 2 ASi-3 Masters
|
yes, max. 4 A/ASi network
| |
PROFINET
|
Safe Link
|
Gateway with integrated Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
1 ASi network, 1 ASi-3 Master
|
yes, max. 4 A/ASi network
| |
PROFINET
|
PROFIsafe (F-CPU)
|
Gateway with integrated Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
1 ASi network, 1 ASi-3 Master
|
yes, max. 4 A/ASi network
| |
EtherNet/IP, Modbus/TCP, OPC UA
|
CIP Safety over EtherNet/IP + Safe Link
|
Gateway with integrated Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
2 ASi networks, 2 ASi-5/ASi-3 Masters
|
yes, max. 4 A/ASi network
| |
EtherNet/IP, Modbus/TCP, OPC UA
|
Safe Link
|
Gateway with integrated ASi-5/ASi-3 Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
2 ASi networks, 2 ASi-5/ASi-3 Masters
|
yes, max. 4 A/ASi network
| |
EtherNet/IP, Modbus/TCP, OPC UA
|
Safe Link
|
Gateway with integrated Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
2 ASi networks, 2 ASi-5/ASi-3 Masters
|
yes, max. 4 A/ASi network
| |
EtherNet/IP, Modbus/TCP, OPC UA
|
Safe Link
|
Gateway with integrated ASi-5/ASi-3 Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
1 ASi network, 1 ASi-5/ASi-3 Master
|
yes, max. 4 A/ASi network
| |
EtherNet/IP, Modbus/TCP, OPC UA
|
Safe Link
|
Gateway with integrated Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
1 ASi network, 1 ASi-5/ASi-3 Master
|
yes, max. 4 A/ASi network
| |
EtherNet/IP, Modbus/TCP, OPC UA
|
CIP Safety over EtherNet/IP + Safe Link
|
Gateway with integrated Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
2 ASi networks, 2 ASi-3 Masters
|
yes, max. 4 A/ASi network
| |
EtherNet/IP, Modbus/TCP
|
Safe Link
|
Gateway with integrated Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
2 ASi networks, 2 ASi-3 Masters
|
yes, max. 4 A/ASi network
| |
EtherNet/IP, Modbus/TCP
|
Safe Link
|
Gateway with integrated Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
2 ASi networks, 2 ASi-3 Masters
|
no, max. 8 A/ASi network, redundant supply
| |
EtherNet/IP, Modbus/TCP
|
Safe Link
|
Gateway with integrated Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
1 ASi network, 1 ASi-3 Master
|
yes, max. 4 A/ASi network
| |
EtherCAT, OPC UA
|
FSoE + Safe Link
|
Gateway with integrated Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
2 ASi networks, 2 ASi-5/ASi-3 Masters
|
yes, max. 4 A/ASi network
| |
EtherCAT, OPC UA
|
FSoE + Safe Link
|
Gateway with integrated Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
1 ASi network, 1 ASi-5/ASi-3 Master
|
yes, max. 4 A/ASi network
| |
EtherCAT, OPC UA
|
Safe Link
|
Gateway with integrated Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
1 ASi network, 1 ASi-5/ASi-3 Master
|
yes, max. 4 A/ASi network
| |
EtherCAT
|
Safe Link
|
Gateway with integrated Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
2 ASi networks, 2 ASi-3 Masters
|
yes, max. 4 A/ASi network
| |
EtherCAT
|
Safe Link
|
Gateway with integrated Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
1 ASi network, 1 ASi-3 Master
|
yes, max. 4 A/ASi network
| |
BACnet/IP, OPC UA
|
Safe Link
|
Gateway with integrated Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
2 ASi networks, 2 ASi-3 Masters
|
yes, max. 8 A/ASi network
| |
BACnet/IP, OPC UA
|
Safe Link
|
Gateway with integrated Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
2 ASi networks, 2 ASi-3 Masters
|
no, max. 8 A/ASi network, redundant supply
| |
OPC UA, POWERLINK
|
openSAFETY over POWERLINK + Safe Link
|
Gateway with integrated Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
2 ASi networks, 2 ASi-5/ASi-3 Masters
|
yes, max. 4 A/ASi network
| |
OPC UA, POWERLINK
|
Safe Link
|
Gateway with integrated Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
2 ASi networks, 2 ASi-5/ASi-3 Masters
|
yes, max. 4 A/ASi network
| |
POWERLINK
|
Safe Link
|
Gateway with integrated Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
2 ASi networks, 2 ASi-3 Masters
|
yes, max. 4 A/ASi network
| |
POWERLINK
|
Safe Link
|
Gateway with integrated Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
1 ASi network, 1 ASi-3 Master
|
yes, max. 4 A/ASi network
| |
OPC UA, Sercos
|
safe Schneider drives over Sercos + Safe Link
|
Gateway with integrated Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
2 ASi networks, 2 ASi-5/ASi-3 Masters
|
yes, max. 4 A/ASi network
| |
OPC UA, Sercos
|
CIP Safety over Sercos + Safe Link
|
Gateway with integrated Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
2 ASi networks, 2 ASi-5/ASi-3 Masters
|
yes, max. 4 A/ASi network
| |
OPC UA, Sercos
|
CIP Safety over Sercos + Safe Link
|
Gateway with integrated Safety Monitor
|
no local safe input
|
no local safe output
|
2 ASi networks, 2 ASi-5/ASi-3 Masters
|
yes, max. 4 A/ASi network
| |
PROFIBUS
|
Safe Link
|
Gateway with integrated Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
2 ASi networks, 2 ASi-3 Masters
|
yes, max. 4 A/ASi network
| |
PROFIBUS
|
Safe Link
|
Gateway with integrated Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
1 ASi network, 1 ASi-3 Master
|
yes, max. 4 A/ASi network
| |
PROFIBUS
|
PROFIsafe (F-CPU)
|
Gateway with integrated Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
1 ASi network, 1 ASi-3 Master
|
yes, max. 4 A/ASi network
| |
CANopen
|
Safe Link
|
Gateway with integrated Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
1 ASi network, 1 ASi-3 Master
|
yes, max. 4 A/ASi network
| |
CC-Link
|
Safe Link
|
Gateway with integrated Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
1 ASi network, 1 ASi-3 Master
|
yes, max. 4 A/ASi network
| |
DeviceNet
|
Safe Link
|
Gateway with integrated Safety Monitor
|
3 x 2 channels
|
6 release circuits, 6 x electronic safe outputs
|
1 ASi network, 1 ASi-3 Master
|
yes, max. 4 A/ASi network
| |
ASi monitors
|
Safe Link
|
Safety Basic Monitor with extended features
|
3 x 2 channels, input 3 optional for speed monitor (up to 4 kHz)
|
2 release circuits, 2 x electronic safe outputs
|
1 ASi network, 1 ASi-3 Master
|
yes, max. 0,5 A/ASi network, max. 8 A with ASi power supply
| |
ASi monitors
|
-
|
Safety Basic Monitor with extended features
|
4 x 2 channels, inputs 3+4 optional for speed monitor (up to 4 kHz)
|
2 release circuits, 2 x electronic safe outputs
|
1 ASi network, 1 ASi-3 Master
|
yes, max. 0,5 A/ASi network, max. 8 A with ASi power supply
| |
ASi monitors
|
-
|
Safety Basic Monitor with extended features
|
4 x 2 channels, inputs 3+4, compatible as replacement with consortial monitor
|
2 release circuits, 2 x electronic safe outputs
|
1 ASi network, no ASi Master, ASi Monitor
|
no, max. 8 A/ASi network
| |
ASi monitors
|
-
|
Safety Basic Monitor with extended features
|
4 x 2 channels, inputs 3+4 optional for speed monitor (up to 4 kHz)
|
2 release circuits, 2 x electronic safe outputs
|
1 ASi network, 1 ASi-3 Master
|
yes, max. 0,5 A/ASi network, max. 8 A with ASi power supply
|