YSI IQ SensorNet MIQ/A-MOD Module - Manual (Page 19)

MIQ/(A-)MOD Interface for the Modbus RTU
19 ba76021e01 01/2012
Module monitoring A two-color LED (for position of the LED, see section 3.2) is used for
monitoring the Modbus module.
Monitoring function Color Flash
frequency
ASIC and FLASH ROM error Red 2 Hz
Module not initialized Green 2 Hz
Module initialized and in operation Green 1 Hz
RAM error Red 1 Hz
DPRAM error Red 4 Hz