B875–102 High Speed Analog Input, Indicators
(Original Document)
About us
Overview
The following standard front-panel indicators reflect module communication status with the controller and provide an indication of field-side signal status.
Indicator status summary table
Indicator
State
Condition
Active
on
The module is communicating properly with the PLC
off
The module failed the internal diagnostic test, which determines if valid communication is possible.
Out of Range
off
All inputs are within the valid input range.
blinking
One or more inputs are outside the valid input range.
The I/O map for an eight-circuit configuration (B875) and four-circuit configuration (B873) looks alike.