SVD48V Series hub motor servo controller user manual
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4.1.4
abnormal response
exception code
definition
describe
01
Invalid function
code
The function code is wrong, that is, the function
code is not 0x03 or 0x06 or 0x10
02
invalid register
address
Register address error, that is, the register address is
an unrecognized register
03
invalid data value The data value is wrong, the set value is abnormal
(out of the set range)
range), or the data length is abnormal.
4.1.5
Communication example
Function
describe
read a single register
Read motor M1 current (5410)
Send: EE 03
54 10
00 01
60 83
Instruction details:
EE drive
address 03
function code
54 10 Register start address
00 01 Number of registers
60 83 Checksum of CRC16
Return: EE 03
02
00 03
92 2D
Instruction details:
EE drive
address 03
function code
02 Number of bytes
00 03 Motor M1 current
92 Checksum of 2D CRC16
read multiple registers
Read motor M1 current (5410), M2
current (5411) Send: EE 03
54 10
00 02
61 C3
Instruction details:
EE drive
address 03
function code
54 10 Register start address
00 02 Number of registers
61 Checksum of C3 CRC16
Return: EE 03
04
00 07 00 02
FD D4
Instruction details:
EE drive address