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10 Operation
152
• The configuration is carried out via software (coordinate J-30) and hardware
(switch).
• The DIP switch is located on the optional card in the ultrasonic electronics
housing.
Communication as Modbus master
J-25 Mode Opt. Serial 2
To activate the Modbus Master, the mode must be set to Modbus master.
Coordinates AW-08 and AW-09 indicate the time since of the last AGA10 calcula-
tion respectively the time of last update of the gas components.
Manual USM GT400 · EN10 · May 2021
1
DIP switch RS232 configuration
2
DIP switch RS485 configuration
Fig. 10.8: Configuring interface with DIP switch
Fig. 10.9: Activation as Modbus master
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