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To configure Modbus, select Protocol - MODBUS and then Mode Master or Slave , and then
Master Configuration or Slave Configuration.
Modbus Master Configuration
The Device Address at the top of the page is for the DMS-3K Master. Up to 6 Modbus Slave
Devices can be configured with the same or different inputs to the single DMS-3K Modbus
Master.
The Set-up for each Slave Device is the same format as shown.
1. Slave Address
Enter a unique Slave Address for each Slave Device you wish to connect to. (1-255)
2. Starting Register
Enter the Modbus Starting register from 40001 to 49990.
3. Total No. of Modbus Alarms
Enter the total number of alarms you wish to transmit up to 128. You have a choice of
designating a single alarm per Modbus Register Bit or combining multiple inputs into a
single Modbus Register Bit. In cases where you group multiple alarm inputs into a single
Modbus register, this number should reflect the total number of individual or grouped
alarms. Once this is entered, it will automatically provide the required amount of Modbus
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