Changing/Deleting A Value - Siemens SINUMERIK 840Di sl Operating Manual

8
Diagnostics operating area
8.6 Interrogating the PLC status

8.6.1 Changing/deleting a value

Diagnostics
PLC-
Status
Change
Operand Operand
+ -
Default
format
Delete
Undo
change
Accept
8-422
. In HMI, the "Page" keys can be used to scroll up and down.
Function
The values of operands can be changed.
Sequence of operations
The "Diagnostics" operating area is selected.
Press the "PLC status" softkey. The first operand screen form
appears. The vertical softkey bar changes.
Cyclic updating of the values is interrupted.
You can increase or decrease the address of the operand by 1 place
at a time.
Softkey allocation
A selection window appears.
You can preset the format fields to "B" (binary), "H" (hexadecimal), "D"
(decimal) or "G" (floating point).
Change the operand, the format or the value.
Delete:
The entries for the selected operand (formats and values) are deleted.
A query window is opened.
Undo changes:
Cyclic updating is continued; the entered values are not transferred to
the PLC.
Accept:
The entered values are transferred to the PLC. Cyclic updating is
continued.
Press the "information key".
A description of the permissible input syntax for the PLC status display
is overlaid.
SINUMERIK 840Di sl/840D sl/840D Operating Manual HMI-Advanced (BAD) - 01/2008 Edition
8
01/2008
© Siemens AG 2008 All rights reserved.