AS Series Module Manual 
5- 22 
*4. Connect the shielded cable to the terminal FE and to the ground terminal. 
*5. Connect the terminal    to the ground terminal. 
*6. The wording “CHX-I” indicates that you can use those five wiring methods for every input channel. The 
wording “CHX-O” indicates that you can use those two wiring methods for every output channel. 
 
5.2.7  LED Indicators 
Number  Name  Description 
1  RUN LED Indicator
Operating status of the module 
ON: the module is running. 
OFF: the module is not running. 
2 
ERROR LED 
Indicator 
Error status of the module 
ON: a serious error exists in the module. 
OFF: the module is operating normally. 
Blink: a minor error exists in the module. 
3 
Analog-to-Digital   
Conversion 
Indicator 
Conversion status 
Blinking: conversion is in process. 
OFF: conversion has stopped.