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overview：
Allen-Bradley 1734-IB8S Point I/O 8-Point Combination Module is an 8-point combination module designed for standard POINT I/O systems and is a POINT Guard I/O module.
It can communicate with the CIP Safety protocol (for GuardLogix safety controllers) and DeviceNet (for SmartGuard600 safety controllers) via Ethernet/IP. It can transmit safety and automation control data and diagnostic information simultaneously in a CIP network. It is suitable for applications with high I/O density requirements and limited panel space, especially for robots, operation points, protection monitoring and distributed control in industrial equipment.
Fuctions & Features:
- Allen-Bradley 1734-IB8S can interface with safety devices such as emergency stop buttons, door switches, and safety light curtains.
- Allen-Bradley 1734-IB8S has a dual-channel mode that evaluates consistency between two input signals (channels) and can be used in Safety Category 3 and 4 applications to PLe/SIL CL3 when the Point Mode Configuration of both channels is set to Safety Pulse Test.
- The single-channel mode evaluates one input signal (channel) and can be used in Safety Category 2 applications to PLd/SIL CL2 when the Point Mode Configuration of the channel is set to Safety Pulse Test.
- Allen-Bradley 1734-IB8S can configure the discrepancy time to control the amount of time a discrepancy is allowed between the two channels before declaring a fault.
- When the input is used with the test output, the Allen-Bradley 1734-IB8S can perform an external wiring short circuit check.
- Allen-Bradley 1734-IB8S has independently adjustable turn-on and turn-off delays for each channel.
- Allen-Bradley 1734-IB8S provides a separate test output for short-circuit detection of safety inputs.
Specification:
|
Parameter |
Value |
|
POINTBus current, max |
175 mA |
|
Power dissipation |
1.4 W |
|
Thermal dissipation |
4.8 BTU/hr |
|
Isolation voltage |
50V (continuous), Basic Insulation Type. Type tested at 1206V DC for 60 s between field side and system. No isolation between individual channels |
|
Power bus, operating supply voltage |
24V DC nom |
|
Power bus, operating voltage range |
19.2 - 28.8V DC |
|
Input filter time, OFF to ON |
0 - 126 ms (in 6 ms increments) |
|
Input filter time, ON to OFF |
See terminal base specifications |
|
Terminal base screw torque |
See terminal base specifications |
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