Query Status - Siemens SIMATIC MV500 Operating Instructions Manual

Process interfacing via an automation system (PLC, PC)
9.6 Control via TCP/IP and RS232
9.6.4

Query status

This command returns the status byte, the current program number and an error number in
the response string.
String: "MGST" (Machine command Get STate)
Response string
"RGST<statusbyte><aktuelleprogrammnr><fehlernr><endekennung>" (Reply Get STate)
Table 9- 55
Characters
<statusbyte>
<aktuelleprogrammnr>
<fehlernr>
<endekennung>
200
Format of the response string
Description
Non-printable ASCII character corresponding to the status byte.
You can find additional information in the section "Assignment of
the interfaces relevant to PROFINET IO (Page 172)".
Currently selected program number.
•
•
Error code of the currently pending error
You can find additional information in the section "Error messag-
es (Page 224)".
•
•
- Non-printable ASCII character with the value "0x04".
Two printable ASCII characters with the value "0" to "9".
Valid range of values: 00 ... 15.
Coding corresponding to <current program number>
There is no error if the value is "00".
Operating Instructions, 03/2021, C79000-G8976-C494-05
SIMATIC MV500