Siemens SIMATIC HMI TP27 Equipment Manual page 115

Status/Force Variable Using the TP
Control sequence Carry out the following steps to view operand values on the PLC:
10-4
Step
1 Enter operands
Once the screen has been selected, status processing is at Status
Stop. Proceed as follows:
1. Call in the relevant screen for entering values by clicking on
the first line.
2. Enter the data type for the first operands.
3. Enter the operand address for the first operands.
4. Enter the dataformat for the first operands.
5. Exit from the screen for entering values by clicking on button
ESC.
6. Repeat the entries for operands 2 to x.
Note
A system message is issued if input is incorrect (e.g. the data
format does not match the type entered). By default, the first
entry in the pop-up window is then applied to the field.
2 START updating
Press the function key assigned to the icon depicted on the right,
and set status processing to Status Running. The TP then dis-
plays the values of the operands in the final column of the stan-
dard screen. The display is updated cyclically.
3 STOP updating
Press the function key again to stop updating and revert status
processing to Status Stop.
Action
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