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Siemens SIMATIC MV540 H - Preconditions for the Commands

Siemens SIMATIC MV540 H
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Process interfacing via an automation system (PLC, PC)
9.3 Control with Ident profile
SIMATIC MV500
124 Operating Instructions, 06/2018, C79000-G8976-C494-01
9.3.2.6
Preconditions for the commands
If you want to issue a command, make sure that the preconditions are met. If the
preconditions are not met, the command receives a negative acknowledgment. The following
table provides an overview of the requirements that must be fulfilled.
Table 9- 32 Overview of preconditions to be met
Command
Trigger
source
Result
(binary)
Result
string
Control
DISA
No group
error
Processing
mode
Stop mode
Program
change (write
program num-
ber)
CM or
PROFINET
IO
Read program
number
CM or
PROFINET
IO
Write match
string
CM or
PROFINET
IO
Read match
string
CM or
PROFINET
IO
Set DISA bit CM or
PROFINET
IO
Reset DISA bit CM or
PROFINET
IO
Set digital out ~ ~ ~ CM or
PROFINET
IO
~ ~ ~ ~
Read result CM or
PROFINET
IO
Trigger + read
result string
CM or
PROFINET
IO
CM or
PROFINET
IO
Acknowledge
group error
CM or
PROFINET
IO
Selection is unimportant.
State must be satisfied.
State is not permitted.
CM
If the IP mode "PROFINET (Ident profile)" is set, you must select PROFINET IO;
otherwise, select CM.
The "Trigger source", "Result", "Result text" and "Control" columns can be configured using
the WBM ("Settings > Communication > Use > Connection").

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