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How can I use Modbus to check the SCADAPack x70 device's RAM battery voltage, CPU temperature, and input power supply?
  • Create new project using RemoteConnect.
  • Under the My Network view, SCADAPack x70 Controller Settings-DeviceDTM, Right Goto Additional functions then select project settings. Enable Modbus IP Server and Modbus RTU Client for Modbus/TCP or Modbus RTU communication. Click Ok.
Project setting
  • Go Online with the SCADAPack RTu.
  • Under Configuration-SPx70 controller>objects, select Object Configuration.
  • Click on Add object. Type Name: RAM_Battery_Voltage, Association Tab, Source Type: System data, System Data Reference, Sys_Info and type: MemoryBatteryVoltage then click Ok.
  • Click on Modbus Tab and assign modbus register 30001 and Modbus Data Type: Real, this uses 2 modbus address then click OK.
  • Click on Add object. Type Name: CPU_Temp_Celcius, Association Tab, Source Type: System data, System Data Reference, Sys_Info and type: CPUmoduleTempC then click Ok.
CPU temp in C
  • Click on Modbus Tab and assign modbus register 30003 and Modbus Data Type: Real, this uses 2 modbus register then click OK.
  • Click on Add object. Type Name: CPU_Temp_Fahrenheit, Association Tab, Source Type: System data, System Data Reference, Sys_Info and type: CPUmoduleTempF then click Ok.CPU Temp in fahrenheit
  • Click on Modbus Tab and assign modbus register 30005 and Modbus Data Type: Real, this uses 2 modbus registers then click OK.
  • Click on Add object. Type Name: Power_Input_Voltage, Association Tab, Source Type: System data, System Data Reference, Sys_Info and type: InputSupplyVoltage then click Ok.
Power supply input voltage
  • Click on Modbus Tab and assign modbus register 30007 and Modbus Data Type: Real, this uses 2 modbus registers then click OK.
  • Configure the proper Byte Order, selected example is High byte/High word first (1234), this mimic Telepeace firmware. The byte order 3412 mimic the SCADAPack E series and Isagraf firmware.
Byte order
  • Click Apply button and Write configuration to the RTU.

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