AH500 Module Manual External wiring (1) AH04TC-5A Thermocouple Shielded cable *1 CH0 + - ADC INA -150 mV~150 mV CH3 Cold-junction compensation (2) AH08TC-5A Thermocouple Shielded cable *1 CH0 + - ADC INA -150 mV~150 mV CH7 Cold-junction compensation 6-16 I 0- F G I 3- F G I0- FG I7 - F G E, and type N thermocouples are used, an cables and cables which generate noise. 6.3.4 LED Indicators d should be kept separate from other power Number Name Description Operating status of the module RUN LED 1 ON: The module is running. indicator OFF: The module stops running. Error status of the module ERROR LED ON: A serious error occurs in the module. 2 indicator OFF: The module is normal. Blink:
A slight error occurs in the module.