Hardware reference guide
I/O Modules
35013379 02 October 2007 497
LED Indicators 
and Descriptions 
for Discrete 12 
Point Modules 
with Fault 
Indication
The following table shows the LED indicators for the discrete 12 point 
140DDO88500 module with fault indication. 
The following table shows the LED descriptions for discrete 12 point modules with 
fault indication. 
LEDs Color Indication when ON
Active Green Bus communication is present.
F Red An over current condition on any point has been detected.
1 ... 12 Green The indicated point or channel is turned ON.
1 ... 12 Red The indicated output point has an over current condition. 
Active F
 9
1
1
10
2
2
11
3
3
12
4
4
 9
10
11
12
5
6
7
8
5
6
7
8
This document provided by Barr-Thorp Electric Co., Inc. 800-473-9123 www.barr-thorp.com










