Allen Bradley 1771-NR Analog Module - High Resolution Isolated, 125ms step response, 1.5A Current, 6.0W Power
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Introduction
The high resolution isolated analog modules are intelligent block transfer modules that interface analog signals with Allen-Bradley PLC-3 and PLC-5 family programmable controllers that have block transfer capability. Block transfer programming moves input data words from the module’s memory to a designated area in the processor data table in a single scan. It also moves configuration words and output data from the processor data table to module memory.
Features
All input channels have scaling, high/low alarms with dead band, rate alarm, and digital filtering.
All output channels have scaling, user-defined last state, high/low clamp limits, and rate-of-change alarm.
Each 4-channel module requires one cable assembly for connection to its RTP. Each 8-channel module requires two cable assemblies for connection to its RTP. The available cable assemblies are: 1771-NC6
Each module occupies one slot.
Each modules has a channel update period of 25 ms per module.
For each module the step response @ 99.9% is 125 ms.
For each module, the data format is BCD or natural binary.