Delta AH500 - LED Indicators

AH500 Module Manual
6-16

External wiring
(1) AH04TC-5A
Thermocouple
Shielded cable *1
Cold-junction
compensation
I0-
FG
CH0
+
-
-150 mV~150 mV
I3-
FG
CH3
INA
ADC
(2) AH08TC-5A
-150 mV~150 mV
Thermocouple
Shielded cable *1
Cold-junction
compensation
I0-
FG
CH0
+
-
I7-
FG
CH7
INA
ADC
*1. The cables or the shielded twisted pair cables for Type J, type K, type R, type S, type T, type
E, and type N thermocouples are used, and should be kept separate from other power
cables and cables which generate noise.
6.3.4 LED Indicators
Number
Name
Description
1
RUN LED
indicator
Operating status of the module
ON: The module is running.
OFF: The module stops running.
2
ERROR LED
indicator
Error status of the module
ON: A serious error occurs in the module.
OFF: The module is normal.
Blink: A slight error occurs in the module.