Allen-Bradley 1771-IBN DC Input Module — 32-point 10-30V DC sink input module. Bulletin 1771 DC input module providing 32 sink-type input points rated 10-30V DC for Allen-Bradley PLC-5 and 1771-based control systems. Nominal input current is 4.7 mA at 10V and 15.6 mA at 30V, with a 6 ms signal delay and a 280 mA backplane current draw at 5V DC. The module installs in a 1771 I/O chassis and reads DC field devices..
MPN / SKU: 1771-IBN
1771-IBN Applications
Reads thirty-two 10 to 30V DC field signals for Allen-Bradley PLC-5 control systems, monitoring proximity sensors, pushbuttons, limit switches and other DC input devices in a sink configuration. The high 32-point density conserves chassis slots, and the wide DC voltage window suits standard 24V field wiring. It installs in any 1771 I/O chassis and connects through a field wiring arm for straightforward termination. Common in legacy PLC-5 machine and process control panels needing dense discrete input capacity with reliable long-life operation.
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