Siemens SINUMERIK 840DiE sl Manual page 159

01/2007
Monitoring
Controlling: Start
Controlling: End
© Siemens AG 2007 All Rights Reserved
SINUMERIK 840Di sl Manual (HBIsl) – 01/2007 Edition
Table 6-2 Input field: Operand
Syntax Significance
In.x Input byte n, bit x
IBn Input byte n
IWn Input word n
IDn Input double–word n
DBn.DBXm.x Data block n, byte m, bit x
DBn.DBBm Data block n, byte m
Data block n, word m
DBn.DBWm
DBn.DBDm Data block n, double word m
On Output n
Fn Flag n
T n Timer n
Z n Counter n
Table 6-3 Input field: Format
Syntax Significance
H Hexadecimal
D Decimal
B Binary
G 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 softkey Change to switch over to Control mode. Now you can use the
field Value to specify new values for the displayed variables. The entered value
must be within the definition range of the set format.
As long as Control mode is active, the entered values are not imported. Only
when you quit the mode using the softkey Accept, the entered values are writ-
ten to the variables and processed in the PLC program.
6 PLC Commissioning
6.7 Testing the PLC program
6-159