Description Of Modbus Board; Indications (Indication And Diagnostic Leds) - AUMA AUMATIC AC 01.2 Manual

Description of Modbus board

5. Description of Modbus board
5.1.

Indications (indication and diagnostic LEDs)

[BA2]
[DX1]
[BA1]
[CH1]
40
The Modbus board is directly located below the local controls.
Figure 7: Modbus board
Hazardous voltage!
Risk of electric shock.
When connected to the mains, the local controls may only be removed by suitably
qualified personnel (electricians).
Figure 8: Indication and diagnostic LEDs
[BA2] Modbus channel 2 active (green)
[DX1] Data Exchange channel 1 (yellow)
[BA1] Modbus channel 1 active (green)
[CH1] Communication via channels 1/2 (yellow)
[DX2] Data Exchange channel 2 (yellow)
Option for redundancy
Illuminated in green if Modbus channel 2 is active.
If the LED is illuminated in yellow, the Modbus interface has entered the 'Data
Exchange' state on channel 1. Only in this state can the actuator be controlled by
the Modbus master and the status of the actuator can be read.
Illuminated in green if Modbus channel 1 is active.
Option for redundancy
ON (illuminated in yellow): Communication via channel 1
Actuator controls
AC 01.2/ACExC 01.2 Modbus RTU