Preconditions For The Commands - Siemens SIMATIC MV540 H Operating Instructions Manual

Process interfacing via an automation system (PLC, PC)
9.3 Control with Ident profile
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
Program ∼
change (write
program num-
ber)
Read program ∼
number
Write match ∼
string
Read match ∼
string
Set DISA bit ∼
Reset DISA bit ∼
Set digital out ~
Read result ∼
Trigger + read CM or
result string PROFINET
IO
Acknowledge ∼
group error
∼
☑
☐
CM
The "Trigger source", "Result", "Result text" and "Control" columns can be configured using
the WBM ("Settings > Communication > Use > Connection").
124
Result Result
(binary) string
∼ ∼
∼ ∼
∼ ∼
∼ ∼
∼ ∼
∼ ∼
~ ~
∼ CM or
PROFINET
IO
∼ CM or
PROFINET
IO
∼ ∼
Selection is unimportant.
State must be satisfied.
State is not permitted.
If the IP mode "PROFINET (Ident profile)" is set, you must select PROFINET IO;
otherwise, select CM.
Control DISA
CM or ∼
PROFINET
IO
CM or ∼
PROFINET
IO
CM or ∼
PROFINET
IO
CM or ∼
PROFINET
IO
CM or ∼
PROFINET
IO
CM or ∼
PROFINET
IO
CM or ~
PROFINET
IO
∼ ∼
∼ ∼
CM or ∼
PROFINET
IO
Operating Instructions, 06/2018, C79000-G8976-C494-01
No group Processing
error mode
☑ ☑
☑ ∼
☑ ☑
☑ ☑
☑ ∼
☑ ∼
~ ~
☑ ☑
☑ ☑
☐ ☐
SIMATIC MV500
Stop mode
☑
∼
☐
☐
∼
∼
~
☐
☐
☐