Reset Command - Siemens SIMATIC MV540 H Operating Instructions Manual

Example sequence
Table 9- 60
Send
(string)
MDIH
MGST
--
MT05
--
T
...
MGST
--
...
9.6.8

Reset command

This command acknowledges an error or cancels "Save program with external trigger".
String
"MRES" (Machine command RESet)
This command returns no response string.
Send "MRESMGST" to get acknowledgment.
If "Save program with external trigger" is canceled with the reset command, the optical
reader will briefly be in an error state (error in sequence). The error state is automatically quit
or acknowledged.
SIMATIC MV500
Operating Instructions, 06/2018, C79000-G8976-C494-01
Example sequence of a command execution
Receive
(string)
--
--
RGST ...
--
RTRDY
--
...
--
RGST ...
...
Process interfacing via an automation system (PLC, PC)
9.6 Control via TCP/IP and RS232
Description
Set DISA bit.
Status query
If there is no error, the saving process can be
started.
Start the save procedure.
Wait for acknowledgment.
Trigger with the standard trigger text
Trigger source = Control source.
Note: Triggering is also possible via DI/DQ, for
example.
Cyclic status query;
recommended time interval: 1 s.
If the optical reader is in processing mode with
program no. 05, the saving process was success-
ful.
If an error occurred, the program could not be
saved (e.g. no code in the image).
If the optical reader is not in processing mode or
there is no group error, the saving process has
not finished.
...
159