1771-IBDK/B 1771IBDK/B Allen Bradley AB PLC 5 Digital DC Input Module

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Product Details

The AB 1771-IBDK is a Conformally-Coated PLC 5 Digital DC Input Module. Its conformal coating protects the module from moisture, extreme temperature, and harsh environments. It converts DC signals provided by user devices to the logic level needed by the processor. It directly controls the state of corresponding bits in the PLC data table. It provides a modular design with space-saving and pocket-friendly means to add input to a PLC control system. It comes with a 1771-WH wiring arm to replace the module, eliminating the need to disconnect wiring. It is a series B and supports ½, 1, and 2-slot I/O addressing. It works with source-switching devices like dry-contact switches, electro-mechanical transmitters, and panel-switching devices like selector switches and pushbutton.

The 1771-IBDK module has 16 inputs with a 10 – 30V DC Sink (Source load) voltage category. It has an operating voltage range of 10 - 30V DC. It has a typical signal delay of 1.3ms (±0.1) at On-DC state and 1.3ms (±0.1) at Off-DC state. It has a maximum Off-state current of 2mA and a backplane current load of 130mA. It has a maximum power dissipation of 6W and a thermal dissipation of 20.3 BTU/hr. It is installed in a 1771 I/O chassis containing a PLC processor. Keying bands for putting it in the right slot are found between pins 16 and 18 for the upper connector and between pins 10 and 12 for the lower connector.
The 1771-IBDK module has 1 green status indicator and 16 red status indicators for customer-side indication at the front panel. It contains optoelectrical isolation to protect the system circuits from electrical transients. It also contains input filtering feature to reduce electrical noise.

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