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.

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Bihl+Wiedemann's Choice

The "Bihl+Wiedemann's Choice" range consists exclusively of best-practice products that combine the highest level of user experience, are nearly always in stock in large quantities and can usually be shipped right away. "Bihl+Wiedemann's Choice" items are suitable for almost all standard applications and are also very attractively priced thanks to the quantities produced. We have introduced the "Bihl+Wiedemann's Choice" labeling to provide our customers with a quick decision-making aid while clearly highlighting what advantages the respective product has for the customer.

B+W's Choice
  • Active distributor ASi Safety
  • IP20, 22,5 mm x 50 mm, 3 x 4 contacts, Safety
  • IP20, 22,5 mm x 114 mm, 4 x 4 contacts, Safety
  • IP20, 22,5 mm x 114 mm, 6 x 4 contacts, Safety
  • IP67, 4 x M12 (51 mm x 60 mm), Safety
  • IP67, 4 x M12, Safety
  • IP67, 8 x M12, ASi-5 Safety
  • IP67, 8 x M12, Safety
  • circuit board 43 mm x 30 mm, Safety
  • circuit board 73 mm x 37,5 mm, Safety
  • circuit board 85 mm x 80 mm, Safety
  • 1 x 2 channels
  • 1 x 2 channels; SIL 2, Cat. 3
  • 2 x 2 channels
  • 4 x 2 channels
  • 6 x 2 channels
  • 6-8 x 2 channels; depending on configuration
  • 8 x 2 channels
  • 4 ... 20 mA / 0 ... 10 V / Pt100
  • OSSDs
  • complementary switch
  • floating contacts
  • floating contacts, OSSDs
  • floating contacts, OSSDs, complementary switch
  • floating contacts, complementary OSSDs
  • safety mats 1.2 kΩ or 8.2 kΩ monitoring resistor
  • thermocouples
  • 1 contact expander, 1 x electronic safe output 10 A
  • 1 contact expander, 1 x electronic safe output 20 A
  • 1 release circuit, 1 x electronic safe output
  • 1 release circuit, 1 x electronic safe outputs, augmented reliability
  • 1 release circuit, 2 x electronic safe outputs
  • 1 release circuit, 2 x electronic safe outputs, max. 3 A, augmented reliability
  • 1 release circuit, 2 x relay
  • 1-8 release circuits, 8 x electronic safe outputs
  • 2 release circuits, 2 x electronic safe outputs, augmented reliability
  • 4 release circuits, 4 x electronic safe outputs
  • up to 2 release circuits, up to 2 x electronic safe outputs; depending on configuration
  • out of ASi
  • out of AUX
  • out of ASi
  • out of AUX
  • 1 ASi-5 address
  • 1 Single address
  • 1 Single address + 1 AB address
  • 1 Single address + 2 AB addresses
  • 2 Single addresses
  • 2 Single addresses + 1 AB address
  • depending on configuration
  • depending on configuration, optimised for ASIMON360
  • Reset output for optoelectronic protective devices
  • To connect Sick deTec4 to ASi
  • for mounting in E-STOP housing
  • muting
  • to connect 2 x NC contacts to ASi
  • to connect E-STOP buttons to ASi via M12
  • to connect Euchner MGB / Pizzato ST GD110MP-G1T to ASi
  • to connect Euchner MGB to ASi
  • to connect Leuze MLC530SPG (operation mode 4) to ASi
  • to connect Leuze MLC530SPG (operation mode 5) to ASi
  • to connect Leuze MLD530-RT3M (operation mode 5) to ASi
  • to connect Leuze MLD530-RT3M to ASi
  • to connect Pilz PSENslock, PSENcode to ASi
  • to connect Pizzato ST GD110MP-G1T to ASi
  • to connect Schmersal AZM200 / AZM201 / AZM300 / MZM100 / RSS 16 to ASi
  • to connect Schmersal AZM400 to ASi
  • to connect Sick RE13-SA84 / RE13-SAC / RE23-SAC / RE23-SA84 to ASi
  • 1
  • 1 EDM
  • 1 EDM + 3 standard
  • 2
  • 2 EDM
  • 2-6, depending on configuration
  • 8
  • up to 12, depending on configuration
  • up to 16, depending on configuration
  • 1 EDM
  • 1 x electronic
  • 2 x electronic
  • 4 x electronic
  • 16 x electronic
  • up to 12 x electronic, depending on configuration
  • up to 16 x electronic, depending on configuration
  • IP00
  • IP00, thick coated
  • IP20
  • IP54
  • IP67
  • I: max. 15 m; O: unlimited
  • max. 3 m
  • max. 15 m
  • unlimited
  • 1 x M8 cable socket, straight, 4 poles
  • 1 x M12 cable socket, angled, 5 poles
  • 1 x M12 cable socket, angled, 8 poles
  • 1 x M12 cable socket, straight, 5 poles
  • 1 x M12 cable socket, straight, 8 poles
  • 1 x M12 cable socket, straight 8 poles + 1 x M12 cable socket, straight, 5 poles
  • 1 x round cable/connecting wires
  • 1 x round cable/connecting wires + 1 x ASi addressing cable socket
  • 2 x round cables/connecting wires
  • 4 x M12 sockets, 5 poles
  • 8 x M12 sockets, 5 poles
  • M12 cable socket, straight, 5 poles
  • M12 cable socket, straight, 8 poles
  • push in terminals
  • screw terminals
  • 0,20 m
  • 0,30 m
  • 1 m
  • 2 m
  • 5 m
  • 10 m
  • SI/O: 0,5 m, 24V: 2 m
  • ASi profile cable
  • ASi via M12
  • clamps
  • connecting wires, 100 mm
  • connecting wires, 200 mm
  • plug-in connecting wires
  • screw terminals
  • yes, depth: 19 mm
  • yes, depth: 35 mm
  • connecting wires, 100 mm
  • connecting wires, 100 mm + contact pins
  • connecting wires, 200 mm
  • plug-in screw terminals
  • screw terminals
  • no
  • thick coated
    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.

    Figure
    Type
    Inputs Safety, SIL 3, Cat. 4
    Safety signal inputs
    Outputs Safety, SIL 3, cat. 4
    Input voltage (sensor supply)
    Output voltage (actuator supply)
    ASi address
    Special function
    Article No.
    IP20, 22,5 mm x 50 mm, 3 x 4 contacts, Safety
    1 x 2 channels
    floating contacts
    -
    out of ASi
    out of AUX
    1 Single address
    -
    		BWU1939
    IP20, 22,5 mm x 50 mm, 3 x 4 contacts, Safety
    1 x 2 channels
    floating contacts
    -
    out of ASi
    out of ASi
    1 Single address
    -
    		BWU2724
    IP20, 22,5 mm x 50 mm, 3 x 4 contacts, Safety
    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
    1 Single address
    -
    		BWU2661
    IP20, 22,5 mm x 50 mm, 3 x 4 contacts, Safety
    1 x 2 channels
    OSSDs
    -
    out of AUX
    out of AUX
    1 Single address
    -
    		BWU2577
    IP20, 22,5 mm x 50 mm, 3 x 4 contacts, Safety
    1 x 2 channels
    complementary switch
    -
    out of ASi
    out of ASi
    1 Single address
    -
    		BWU3882
    IP20, 22,5 mm x 114 mm, 4 x 4 contacts, Safety
    1 x 2 channels
    floating contacts
    -
    out of AUX
    out of AUX
    1 Single address
    -
    		BWU3013
    IP20, 22,5 mm x 114 mm, 4 x 4 contacts, Safety
    2 x 2 channels
    floating contacts
    -
    out of AUX
    out of AUX
    2 Single addresses
    -
    		BWU2707
    IP20, 22,5 mm x 114 mm, 4 x 4 contacts, Safety
    2 x 2 channels
    floating contacts, complementary OSSDs
    -
    out of AUX
    -
    2 Single addresses
    -
    		BWU3671
    IP20, 22,5 mm x 114 mm, 4 x 4 contacts, Safety
    2 x 2 channels
    floating contacts, OSSDs
    -
    out of AUX
    -
    2 Single addresses
    -
    		BWU3696
    IP20, 22,5 mm x 114 mm, 6 x 4 contacts, Safety
    1 x 2 channels
    4 ... 20 mA / 0 ... 10 V / Pt100
    -
    out of AUX
    -
    depending on configuration
    -
    		BWU2692
    IP20, 22,5 mm x 114 mm, 6 x 4 contacts, Safety
    1 x 2 channels
    thermocouples
    -
    out of ASi
    -
    depending on configuration
    -
    		BWU3271
    IP67, 8 x M12, ASi-5 Safety
    2 x 2 channels
    floating contacts
    -
    out of AUX
    out of AUX
    1 ASi-5 address
    -
    		BWU4209
    IP67, 8 x M12, ASi-5 Safety
    2 x 2 channels
    OSSDs
    -
    out of AUX
    out of AUX
    1 ASi-5 address
    -
    		BWU4210
    IP67, 8 x M12, Safety
    6-8 x 2 channels; depending on configuration
    floating contacts, OSSDs, complementary switch
    up to 2 release circuits, up to 2 x electronic safe outputs; depending on configuration
    out of ASi
    out of ASi
    depending on configuration
    -
    		BW3489
    IP67, 8 x M12, Safety
    6-8 x 2 channels; depending on configuration
    floating contacts, OSSDs, complementary switch
    up to 2 release circuits, up to 2 x electronic safe outputs; depending on configuration
    out of ASi
    out of ASi
    depending on configuration
    -
    		BW3499
    IP67, 8 x M12, Safety
    6-8 x 2 channels; depending on configuration
    floating contacts, OSSDs, complementary switch
    up to 2 release circuits, up to 2 x electronic safe outputs; depending on configuration
    out of AUX
    out of AUX
    depending on configuration
    muting
    		BW3490
    IP67, 8 x M12, Safety
    2 x 2 channels
    floating contacts, OSSDs
    4 release circuits, 4 x electronic safe outputs
    out of AUX
    out of AUX
    depending on configuration
    -
    		BWU3064
    IP67, 4 x M12 (51 mm x 60 mm), Safety
    1 x 2 channels
    floating contacts
    1 release circuit, 2 x relay
    out of AUX
    -
    2 Single addresses + 1 AB address
    -
    		BWU4379
    IP20, 22,5 mm x 114 mm, 6 x 4 contacts, Safety
    -
    -
    1-8 release circuits, 8 x electronic safe outputs
    out of AUX
    out of AUX
    depending on configuration
    -
    		BWU2836
    IP20, 22,5 mm x 114 mm, 4 x 4 contacts, Safety
    1 x 2 channels
    floating contacts
    1 release circuit, 2 x relay
    out of AUX
    -
    2 Single addresses + 1 AB address
    -
    		BWU2236
    IP20, 22,5 mm x 114 mm, 4 x 4 contacts, Safety
    -
    -
    1 release circuit, 2 x electronic safe outputs, max. 3 A, augmented reliability
    out of AUX
    out of AUX
    1 Single address + 2 AB addresses
    -
    		BWU3398
    IP20, 22,5 mm x 114 mm, 4 x 4 contacts, Safety
    -
    -
    1 release circuit, 2 x electronic safe outputs
    out of AUX
    out of AUX
    1 Single address + 2 AB addresses
    -
    		BWU2173
    IP20, 22,5 mm x 114 mm, 4 x 4 contacts, Safety
    -
    -
    1 release circuit, 2 x electronic safe outputs, max. 3 A, augmented reliability
    out of AUX
    out of AUX
    1 Single address + 1 AB address
    -
    		BWU3869
    IP20, 22,5 mm x 114 mm, 4 x 4 contacts, Safety
    -
    -
    1 release circuit, 2 x relay
    out of ASi
    -
    1 Single address + 1 AB address
    -
    		BWU2045
    IP20, 22,5 mm x 114 mm, 6 x 4 contacts, Safety
    -
    -
    1 contact expander, 1 x electronic safe output 20 A
    -
    out of AUX
    -
    -
    		BW3016
    IP20, 22,5 mm x 114 mm, 6 x 4 contacts, Safety
    -
    -
    1 contact expander, 1 x electronic safe output 10 A
    -
    out of AUX
    -
    -
    		BW3281
    IP20, 22,5 mm x 114 mm, 6 x 4 contacts, Safety
    4 x 2 channels
    floating contacts, OSSDs, complementary switch
    2 release circuits, 2 x electronic safe outputs, augmented reliability
    out of AUX
    out of AUX
    depending on configuration, optimised for ASIMON360
    -
    		BWU3427
    IP20, 22,5 mm x 114 mm, 6 x 4 contacts, Safety
    8 x 2 channels
    floating contacts, OSSDs, complementary switch
    1 release circuit, 1 x electronic safe outputs, augmented reliability
    out of AUX
    out of AUX
    depending on configuration, optimised for ASIMON360
    -
    		BWU3428
    IP20, 22,5 mm x 114 mm, 6 x 4 contacts, Safety
    6 x 2 channels
    floating contacts, OSSDs, complementary switch
    2 release circuits, 2 x electronic safe outputs, augmented reliability
    out of AUX
    out of AUX
    depending on configuration, optimised for ASIMON360
    -
    		BWU3883
    IP67, 4 x M12, Safety
    2 x 2 channels
    floating contacts
    -
    out of ASi
    -
    2 Single addresses
    -
    		BWU2631
    IP67, 4 x M12, Safety
    1 x 2 channels
    floating contacts
    -
    out of ASi
    out of AUX
    1 Single address
    -
    		BWU2284
    IP67, 4 x M12, Safety
    1 x 2 channels
    OSSDs
    -
    out of AUX
    out of AUX
    1 Single address
    -
    		BWU2270
    IP67, 4 x M12, Safety
    1 x 2 channels
    OSSDs
    -
    out of AUX
    out of AUX
    1 Single address
    Reset output for optoelectronic protective devices
    		BWU2689
    IP67, 4 x M12, Safety
    1 x 2 channels
    complementary switch
    -
    out of ASi
    out of AUX
    1 Single address
    -
    		BWU2814
    IP67, 4 x M12, Safety
    1 x 2 channels
    OSSDs
    -
    out of AUX
    out of AUX
    1 Single address
    -
    		BWU2370
    IP67, 4 x M12, Safety
    1 x 2 channels
    OSSDs
    -
    out of ASi
    out of ASi
    1 Single address
    -
    		BWU2960
    IP67, 4 x M12, Safety
    1 x 2 channels
    floating contacts
    -
    out of ASi
    out of AUX
    1 Single address
    -
    		BWU2369
    Active distributor ASi Safety
    1 x 2 channels
    floating contacts
    -
    out of ASi
    out of ASi
    1 Single address
    to connect 2 x NC contacts to ASi
    		BWU3604
    Active distributor ASi Safety
    1 x 2 channels
    floating contacts
    -
    out of ASi
    out of AUX
    1 Single address
    to connect 2 x NC contacts to ASi
    		BWU3425
    Active distributor ASi Safety
    1 x 2 channels
    floating contacts
    -
    out of ASi
    out of AUX
    1 Single address
    -
    		BWU3750
    Active distributor ASi Safety
    1 x 2 channels
    OSSDs
    -
    out of AUX
    out of AUX
    1 Single address
    to connect Leuze MLC530SPG (operation mode 4) to ASi
    		BWU4956
    Active distributor ASi Safety
    1 x 2 channels
    OSSDs
    -
    out of AUX
    out of AUX
    1 Single address
    to connect Leuze MLC530SPG (operation mode 5) to ASi
    		BWU3718
    Active distributor ASi Safety
    1 x 2 channels
    OSSDs
    -
    out of AUX
    out of AUX
    1 Single address
    To connect Sick deTec4 to ASi
    		BWU3725
    Active distributor ASi Safety
    1 x 2 channels
    floating contacts
    -
    out of ASi
    out of ASi
    1 Single address
    to connect 2 x NC contacts to ASi
    		BWU3249
    Active distributor ASi Safety
    1 x 2 channels
    floating contacts
    -
    out of ASi
    -
    1 Single address
    to connect 2 x NC contacts to ASi
    		BWU3600
    Active distributor ASi Safety
    1 x 2 channels
    OSSDs
    -
    out of AUX
    out of AUX
    1 Single address
    to connect Leuze MLD530-RT3M (operation mode 5) to ASi
    		BWU3719
    Active distributor ASi Safety
    1 x 2 channels
    OSSDs
    -
    out of AUX
    out of AUX
    1 Single address
    to connect Leuze MLD530-RT3M to ASi
    		BWU4166
    Active distributor ASi Safety
    1 x 2 channels
    floating contacts
    -
    out of ASi
    out of ASi
    1 Single address
    to connect 2 x NC contacts to ASi
    		BWU3599
    Active distributor ASi Safety
    1 x 2 channels
    floating contacts
    -
    out of ASi
    out of ASi
    1 Single address
    to connect 2 x NC contacts to ASi
    		BWU3248
    Active distributor ASi Safety
    1 x 2 channels
    floating contacts
    -
    out of ASi
    -
    1 Single address
    to connect 2 x NC contacts to ASi
    		BWU3373
    Active distributor ASi Safety
    1 x 2 channels
    floating contacts
    -
    out of ASi
    -
    1 Single address
    to connect Sick RE13-SA84 / RE13-SAC / RE23-SAC / RE23-SA84 to ASi
    		BWU3553
    Active distributor ASi Safety
    1 x 2 channels
    floating contacts
    -
    out of ASi
    -
    1 Single address
    to connect E-STOP buttons to ASi via M12
    		BWU3413
    Active distributor ASi Safety
    1 x 2 channels
    floating contacts
    -
    out of ASi
    -
    1 Single address
    to connect E-STOP buttons to ASi via M12
    		BWU3626
    Active distributor ASi Safety
    1 x 2 channels
    floating contacts
    -
    out of ASi
    out of ASi
    1 Single address
    -
    		BWU3796
    Active distributor ASi Safety
    1 x 2 channels
    floating contacts
    -
    out of ASi
    out of ASi
    1 Single address
    -
    		BWU4702
    Active distributor ASi Safety
    1 x 2 channels
    floating contacts
    -
    out of ASi
    -
    1 Single address
    to connect E-STOP buttons to ASi via M12
    		BWU4701
    Active distributor ASi Safety
    1 x 2 channels
    OSSDs
    -
    out of AUX
    out of AUX
    1 Single address
    -
    		BW3299
    Active distributor ASi Safety
    1 x 2 channels
    OSSDs
    -
    out of AUX
    out of AUX
    1 Single address
    -
    		BWU3627
    Active distributor ASi Safety
    1 x 2 channels
    OSSDs
    -
    out of AUX
    out of AUX
    1 Single address
    to connect Euchner MGB / Pizzato ST GD110MP-G1T to ASi
    		BWU3376
    Active distributor ASi Safety
    1 x 2 channels
    OSSDs
    -
    out of AUX
    out of AUX
    1 Single address
    -
    		BWU4990
    Active distributor ASi Safety
    1 x 2 channels
    OSSDs
    -
    out of AUX
    out of AUX
    1 Single address
    to connect Pilz PSENslock, PSENcode to ASi
    		BWU3721
    Active distributor ASi Safety
    1 x 2 channels
    OSSDs
    -
    out of AUX
    out of AUX
    1 Single address
    to connect Pilz PSENslock, PSENcode to ASi
    		BWU3488
    Active distributor ASi Safety
    1 x 2 channels
    OSSDs
    -
    out of AUX
    out of AUX
    1 Single address
    to connect Schmersal AZM400 to ASi
    		BWU3565
    Active distributor ASi Safety
    1 x 2 channels
    OSSDs
    -
    out of AUX
    out of AUX
    1 Single address
    to connect Schmersal AZM200 / AZM201 / AZM300 / MZM100 / RSS 16 to ASi
    		BWU3635
    circuit board 43 mm x 30 mm, Safety
    1 x 2 channels
    floating contacts
    -
    out of ASi
    out of ASi
    1 Single address
    for mounting in E-STOP housing
    		BWR3067
    circuit board 43 mm x 30 mm, Safety
    1 x 2 channels
    floating contacts
    -
    out of ASi
    out of ASi
    1 Single address
    for mounting in E-STOP housing
    		BWR2426
    circuit board 43 mm x 30 mm, Safety
    1 x 2 channels
    floating contacts
    -
    out of ASi
    out of ASi
    1 Single address
    for mounting in E-STOP housing
    		BWR2521
    circuit board 73 mm x 37,5 mm, Safety
    1 x 2 channels
    floating contacts
    -
    out of ASi
    out of AUX
    1 Single address
    -
    		BWR1896
    circuit board 73 mm x 37,5 mm, Safety
    1 x 2 channels
    floating contacts
    -
    out of ASi
    out of AUX
    1 Single address
    -
    		BWR1751
    circuit board 85 mm x 80 mm, Safety
    -
    -
    1 release circuit, 1 x electronic safe output
    out of AUX
    out of AUX
    1 Single address + 2 AB addresses
    -
    		BW2914
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