Monitor/Control Using Hmi Advanced - Siemens SINUMERIK 840Di Manual

06.03
8.4.4

Monitor/control using HMI Advanced

PLC status
display
Input syntax:
– Operand
– Format
Monitoring
Controlling: Start
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SINUMERIK 840Di Manual (HBI) – 06.03 Edition
Use the soft keys Operating Area Switchover > Diagnosis > PLC Status to
call the dialog box PLC Status Display.
The dialog PLC Status Display serves to monitor and control variables of:
S
Inputs, outputs, flags, timers and counters
S
Contents of data blocks
The following two tables show the input syntax of the fields: Operand and
Format of the PLC status display.
Table 8-2 Input field: Operand
Syntax
En.x Input byte n, bit x
IBn Input byte n
IBn Input word n
IBn Input double-word n
DBn.DBXm.x Data block n, byte m, bit x
DBn.DBBm Data block n, byte m
DBn.DBWm Data block n, word m
DBn.DBDm Data block n, double word m
On Output n
Fn Flag n
Tn Timer n
Cn Counter n
Table 8-3 Input field: Format
Syntax
H Hexadecimal
D Decimal
B Binary
F Floating point (only in conjunction with
double word)
After the variable to be displayed has been input in the field Operand using the
syntax described above, the current value of the variable is displayed in the
format you have set.
Use the soft key Change to switch over to the Control mode. Now you can use
the field Value to specifynew values for the displayed variables.
The entered value must be within the definition range of the set format.
8.4 Testing the PLC program
Meaning
Meaning
8 PLC Start-Up
8-261