Error Codes And Troubleshooting; Communication Error Code - Leadshine CS2RS Series User Manual

4.4 Error Codes and Troubleshooting

4.4.1 Communication Error Codes
When the master station receive a message from the slave about a communication error, you can follow the
table below for analysis
No.
1
2
3
4
Error code:
Error Code (EC)
0x01 Wrong FC(This supports FC beside of 01h/ 03h/ 05h/ 08h/ 0Fh/ 10h )
0x02 Wrong access address
0x03 Wrong data,
0x04 Data written over limit
0x08 Wrong CRC check code
Example F: CRC check code error
Master-> slave data::
Message
Description Slave ID
slave-> Master data:
Message
Description
Example F: Function code error
Master-> slave data::
Message
CS2RS Series RS485 Closed Loop Stepper Drive User Manual
Return Instructions (slave->master)
Symbols
ID
FC
EC
CRC
01 03
Function code
01
Slave ID
01 02
Description
Slave ID
Function code
Error Code
check code
Description
00 01
Register address
83
FC+0x80 Error code
00 01
-27-
Content
0-31
FC+0x80
-
Low
High
00 01 D5 C1
Read Number of CRC check
registers
08 40 F6
CRC
00 01 E8 0A
code