Siemens SIMATIC TI500 - Diagnostic Codes Supported

Modbus Commands
C-18
TIWAY I Gateway User Manual
Modbus Function Descriptions (continued)
T able C-4 details the diagnostic codes supported.
T able C-4 Diagnostic Codes Supported
Code
(hex)
Diagnostic Description Is Code
Supported?
00 Return request message Yes
01 Restart communications with the slave Yes
02 Return diagnostics register No
03 Change message end character No
04 Set slave in listen only mode No
0A Clear counters and diagnostics No
0B Return message count No
0C Return checksum error count No
0D Return exception count No
0E Return slave message count No
0F Return slave no response count No
10 Return slave NAK count No
11 Return slave busy count No
12 Return character overrun count No
13 Return overrun error count No
14 Clear character overrun count No