The Led Functions - Xylem FLYGT MRM 01 Installation, Operation And Maintenance Manual

7.6 The LED functions

1
2
3
Number LED
1
3
2
4
MRM 01 Installation, Operation, and Maintenance Manual
Function
Power Power and
communication
indication
RD Receive data
TD Transmit data
R1–R4 Relay status of four
individual channels
4
Description
Blinking = communication error with the MAS base unit
Lit = power is on and communication with the MAS base unit is
established
RS-485 or Modbus communication with MAS base unit
LEDs are lit or blinking when the related relay is active.
Blinking = alarm
Lit = OK or acknowledged
7 Technical Reference
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