GE 239 Instruction Manual
Also see for 239: Instruction manual
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Contents
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7-6239 Motor Protection RelayGE Multilin7 COMMUNICATIONS 7 COMMUNICATIONS77.10 06: STORE SINGLE SETPOINT• Modbus Implementation:Preset Single Register• 239 Implementation: Store Single SetpointThis command allows the master to store a single setpoint into the memory of a 239. The slaveresponse to this function code is to echo the entire master transmission.a) MESSAGE FORMAT AND EXAMPLERequest slave 11 to store the value 0064 in Setpoint address 1020.After the transmission in this example is complete, Setpoints address 1020 will contain the value0064.Master Transmission Bytes Example (hex)SLAVE ADDRESS - 1 byte 11 message for slave 11FUNCTION CODE - 1 byte 06 store single setpointDATA STARTING ADDRESS - 2 bytes 10 Setpoint address 102020DATA - 2 bytes 00 data for address 102064CRC - 2 bytes 8F CRC calculated by the masterBBSlave Response Bytes Example (hex)SLAVE ADDRESS - 1 byte 11 message from slave 11FUNCTION CODE - 1 byte 06 store single SetpointDATA STARTING ADDRESS - 2 bytes 10 Setpoint address 102020DATA - 2 bytes 00 data stored in address 102064CRC - 2 bytes 8F CRC calculated by slaveBB |
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