Introduction
Section 4 I/O Module
iDCS-8000 Hardware User Manual (2013/8/14, Rev: 1.43)
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Section 4
I/O Module
4.1
Introduction
4.1.1
LED status
Each module has three LED indicators for diagnostic. These three indicators represent different situation
when system is operating. The LED indicators can help users to identify failures of the module.
Status
Description
MOD
Solid
Operating Mode
Blink
0.2 second period Halt Mode (Caused by heavy fault)
1 second period
Stop Mode (Caused by light fault)
ACT
Solid
Single
Output/Input Enable
Redundant
Master & Output/Input Enable
Off
Single
Output/Input Disable
Redundant
Slave & Output/Input Disable
DUX
Solid
I/O Module is operating in redundant mode
Off
I/O Module is operating in single mode
ALL
Blink
In the bootloader mode and preparing upgrade firmware
IO
*
Solid
The corresponding I/O channel is activated
Off
The corresponding I/O channel is inactivated
* Not all of I/O modules have IO LED indicators.
4.1.2
D-Sub 37 pin connector
The D-Sub 37 pin connector is the interface to field devices. Every module has individual pin assignment
for wiring. The termination boards are wiring boards used for easily wiring and maintenance purpose.
