EV MODBUS Manual (250KB) - TECO-Westinghouse Motor Company

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5.2 Loop Back Test [08H]The test function to check the transmission of the signal between MASTER andFOLLOWER.ASCII ModeInstruction MessageResponse Message Response Message(Normal)(Fault)STX 3AH STX 3AH STX 3AHFollower 30HFollower 30H Follower 30HAddress 31H Address 31HAddress31HFunction Code30HFunction Code 30H 38HFunction Code38H 38H 38HTest Codes30H30H32HError Code30H 30H 30HTest Codes30H30H37HLRC CHEC30H 30H 35H41H41H0DHEND35H 35H 0AHDATADATA33H33HLRC CHECKEND37H31H42H0DH0AHInstruction MessageFollowerAddress01 HLRC CHECKEND37H31H42H0DH0AHRTU ModeResponse Message(Normal)FollowerAddress01HResponse Message(Fault)FollowerAddress01HFunction Code 08H Function Code 08H Function Code 88HTestCodesDATACRC-16High 00H Test High 00H Error Code 20HLow 00H Codes Low 00HHigh 47HCRC-16High A5HHigh A5H Low D8HDATALow 37H Low 37HHigh DAHCRC-16 High DAHLow 8DH Low 8DHEV Inverter Series: Modbus Communication ManualPage: 11
5.3 Write to Holding Register [06H]Send data to a specific holding register.(e.g.) send the frequency command 60.0Hz from the PLC to FOLLOWER with address 1.ASCII ModeInstruction MessageResponse Message Response Message(Normal)(Fault)STX 3AH STX 3AH STX 3AHFollower 30HFollower 30H Follower 30HAddress 31H Address 31H Address 31HFunction Code30H30H38HFunction CodeFunction Code36H 36H 36HStart Address30H30H35HError Code30H 30H 32HStart Address45H45H32HLRC CHECK37H 37H 37H31H31H0DHEND37H 37H 0AHDATADATA37H37HLRC CHECKEND30H38H42HLRC CHECK30H38H42H0DH0DHEND0AH 0AHInstruction MessageRTU ModeResponse Message(Normal)Response Message(Fault)Follower Address 01 H Follower Address 01H Follower Address 01HFunction Code 06H Function Code 06H Function Code 86HStartAddressDATACRC-16High 00H Start High 00H Error Code 52HLow E7H Address Low E7H CRC-1 High C3HHigh 17HHigh 17H 6 Low 9DHDATALow 70H Low 70HHigh 37HHigh 37HCRC-16Low E9H Low E9HEV Inverter Series: Modbus Communication ManualPage: 12
Page 2 and 3: Contents1. Communication Data Frame
Page 4 and 5: Command StartAddressData lengthData
Page 6 and 7: • CRC calculation application pro
Page 8 and 9: RegisterCodeBitContent0 Operation C
Page 10 and 11: 36~45 (not used) Define as “0”R
Page 14 and 15: 5.4 Write to Multiple Holding Regis
Page 16 and 17: 6. MODBUS Register AddressesRegiste

EV MODBUS Manual (250KB) - TECO-Westinghouse Motor Company

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