The Allen-Bradley 1771-NC15 cable connects Remote Terminal Panels (RTPs) to a 1771-N series I/O module. The 1771-N series modules are compatible with the Allen-Bradley PLC-3, PLC-5, and PLC-5/250 programmable controllers. The 1771-N series modules are designed for those applications that require high resolution and immunity from noise. These modules use 16-bit ADCs and 14-bit DACs for achieving high resolution and application accuracy. N-series modules provide 1000V isolation between all the channels and this guarantees that common-mode effects on one channel will not affect the other channels. These modules require only a single slot in the I/O chassis, and they do not require an external power supply. Calibration can be performed by the PLC processor and the interval between calibrations should not exceed 1 year.
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