IMO iSmart V4 - Page 243

Chapter 8 20 Points RS485 type Models Instruction 212
Exception Code
The controller responses the Exception Code and send Function Code added 80H to main system if there is error
happened.
Register Address
Register address
Function
Usable command
0000H~0016H
Coil status (word) address
03H, 06H, 10H
0100H~012FH
Control register
03H, 06H, 10H
0200H~0237H, 0260H
Current value of register
03H
0300H~033BH
User character address
03H, 0H
0400H~043EH
Preset value of register
03H, 10H
0500H~05FFH
Coil status (bit) address
01H, 05H
0600H~0630H
Coil status (word) address
03H, 06H, 10H
New command
for iSmart
0700H~072FH
Control register
03H, 06H, 10H
0800H~11EFH
Current value of register
03H
1200H~2703H
Preset value of register
03H, 06H, 10H
2B00H~2E0FH
Coil status (bit) address
01H, 05H
.
Exception Code
Description
51
Frame error (Function Code error, Register Encoding error, Data Quantity Error)
52
Command can not be carried out in the RUN mode
53
Command can not be carried out in Cipher mode
54
Data value is over range
55
Reserved
56
Reserved
57
Other error
58
Commands do not match the present edited mode (Ladder or FBD)
59
Reserved