Delta C2000 Plus Series - Page 1257

Appendix A. Modbus ProtocolC2000 Plus
A-16
If the keypad displays “CE-XX” as a warning message, “XX” is the error code at that time. Refer to
the table of error codes for communication error for reference.
ASCII mode RTU mode
STX ‘:’
A
ddress 01H
Address
‘0’ Function 86H
‘1’ Exception code 02H
Function
‘8’ CRC Check Low C3H
‘6’ CRC Check Hi
g
h
A
1H
Exception code
‘0’
‘2’
LRC Check
‘7’
‘7’
END
CR
LF
The explanation of exception codes:
Error code Explanation
1
Function code is not supported or unrecognized.
2
Address is not supported or unrecognized.
3
Data is not correct or unrecognized.
4
Failure to execute this function code