Monitor/Control Using The Simatic Manager Step7 - Siemens SINUMERIK 840Di Manual
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Also See for SINUMERIK 840Di:
- Function manual (2050 pages) ,
- Diagnostic manual (880 pages) ,
- System overview (55 pages)
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8 PLC Start-Up
8.4 Testing the PLC program
8.4.3
Monitor/control using the SIMATIC Manager STEP7
Monitoring and
controlling the
variable
Variable types
Further test
functions
8-260
The SIMATIC Manager STEP7 provides an extensive functionality for testing
the PLC program or the module.
The menu command Target System > Monitor/Control Variable is used to
start the tool "Monitor/control variable".
"Monitor and control variable" can be used to:
S
Display the current values of individual variables of the PLC user program or
the CPU module: Monitor variables.
S
Assign individual variables of the PLC user program or the CPU module
fixed values: Control variables.
S
Assign individual I/O outputs of the PLC user program or the CPU module
fixed values in the STOP operating status: Enable PO and activate control
values.
S
Assign individual variables of the PLC user program or the CPU module
fixed values which cannot be overwritten by the PLC user program: Force
variables.
You can specify or display values of the following variable types:
S
Inputs, outputs, flags, timers and counters
S
Contents of data blocks
S
I/O.
Summarize the variables you want to display or control in variable tables.
When and how often variables are monitored or overwritten with values, is de-
fined by Triggering Point and Trigger Condition.
The menu command Target System > ... provides the following further test
functions:
S
Display accessible nodes
S
CPU messages ...
S
Display force values
S
Diagnose hardware
S
Module status ...
S
Operating status ...
Siemens AG, 2003. All rights reserved
SINUMERIK 840Di Manual (HBI) – 06.03 Edition
06.03
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