Status/Force Tag Using The Op - Siemens simatic hmi op27 Equipment Manual

Status/Force Tag Using the OP

Purpose
The Operator Panels provide two functions, namely Status Tag and Force Tag,
which enable operand values from the connected PLC to be displayed in a
standard screen and modified in a second screen.
This means that PLC operands can be edited directly on the OP in online mode
without having to connect a programming unit to the PLC to do it.
Status Tag
Status Tag enables the status of SIMATIC S5/S7 operands to be displayed.
Force Tag
Force Tag enables SIMATIC S5/S7 operands to be controlled through modify-
ing their values and transferring them back to the PLC.
OP27, OP37 Equipment Manual
Release 05/99
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