9.8.5.10 States of a transition condition
Overview
A transition condition can have the following 4 states:
Result Description Symbol
TRUE Condition is fulfilled Green check mark
FALSE Condition is not fulfilled (no symbol)
INVALID Condition value not yet determined Question mark
ERROR Error in evaluating or determining the condition White cross in red
dot
Note
If an OR operation for several conditions is used and one condition is fulfilled, the values of
the other conditions no longer need to be determined. This means that the transition is fulfilled,
although individual conditions may be INVALID.
9.8.5.11 Overview of batch step statuses
The state of a batch step contains information about:
● The allocation of a unit or an equipment phase, for example, waiting for a unit or equipment
phase
● The basic status of an equipment phase, for example, inactive, running, held, completed
● Additional characteristics such as error, pending command, locked, operator prompts
The status display of a batch step is formed accordingly.
BATCH Control Center
9.8 Batch control
SIMATIC BATCH V8.2
Operating Manual, 02/2016, A5E35958174-AA 427