Danfoss VFD500-090G/110PT4 User Manual

Appendix A Modbuscommunication protocol VFD500 high performance vector control frequency inverter user manual
●
Response PDU
● Wrong PDU
Currently Modbus protocol 0x03 command code does not support cross-group read multiple function
codes, it will be wrongif more than the current group of function code number
A.3.2 Command code 0x06 write single registers or status word command codes
Request PDU
●
Respond PDU
● Wrong PDU
A.3.3 Command 0x10write multiple registers or status word command codes
● Request PDU
● Respond PDU
Number of registers
2byte
0x0001-0x0010 (1～
16,high 8 bit in front)
Command code
1byte
0x03
Initial address
1byte
2n（n means Number of
registers）
Number of registers
2* nbyte
Register value high 8 bit
in front,first send initial
address’register value
Command code
1byte
0x83
Abnormal code
1byte
See A.4Abnormal
response information
Command code
1byte
0x06
Initial address
2byte
0x0000～0xFFFF(high 8
bit in front)
Register value
2byte
0x0000～
0xFFFF(register value
high 8 bit in front)
Command code
1byte
0x06
Register address
2byte
0x0000～0xFFFF
Register value
2byte
0x0000～0xFFFF
Command code
1byte
0x86
Abnormal code
1byte
See A4 Abnormal
response information
Command code
1byte
0x10
Initial address
2byte
0x0000～0xFFFF(high 8
bit in front)
Number of Register
2byte
0x0001～0x0010(1～16,
high 8 bit in front)
Number of Byte
1byte
2n (n is number of
Register)
Register Value
2* nbyte
Register value high 8 bit
in front,first send initial
address’register value
Command code
1byte
0x10
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Danfoss VFD500-090G/110PT4 Specifications

General

Brand	Danfoss
Model	VFD500-090G/110PT4
Category	DC Drives
Language	English