Motion iWMC Series User Manual

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Response registers:
Staon No.
Funcon code
Modbus address
Data length (word)
CRC
High byte
Low byte
1 byte
10
2 bytes
1 byte
1 byte
2 bytes
Note
If there is error such as address over range, non-exist address and the address is read only, then it will
return funcon code 0x90.
For example: send message 01 10 6F 00 00 02 04 55 55 00 08 1A 47
Meaning: 01——ID No.;
10——funcon code, write mulple WORD;
6F 00——WORD Modbus address for wring data. This is the address corresponding to parameter
“Target Velocity” (60FF0020) , data length 2;
00 02——write 2 WORD;
04——data length 4 bytes (2*WORD);
55 55 00 08——write data 00085555 (HEX) , 546133 (OCT) , convert to 200RPM;
1A 47——CRC check.
6.5 Modbus Message Example
Under dierent modes, message is sent when staon No. is 1:
Table 6-2 485 message
Internal
address
Name
Meaning
Message (ID=1)
3500
Operaon_mode
Operatemode is 3
010635 0000 03C6 07
6F00
Targte_Speed
Speed 150RPM
01106F 0000 020455 5500 081A 47
3100
Controlword
Enable F
010631 0000 0FC7 32
3200
Status word
Read register status
01 03 32 00 00 02 CA B3

Motion iWMC Series Specifications

General

Brand	Motion
Model	iWMC Series
Category	Industrial Equipment
Language	English