Siemens SIMATIC ST-1500 Function Manual page 169

Using the SSI_Absolute_Encoder technology object
4.7 SSI_Absolute_Encoder diagnostics
Display
The following values are read by the technology object from the feedback interface and
displayed:
● Event display/diagnostics information
● Signal states of the digital inputs and digital outputs
● Position value
● Capture value
● Measured value
Additional information on status displays is available in the context-sensitive help for each
event in STEP 7 (TIA Portal). When the CPU is in STOP, the status display is not updated.
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Counting, measurement and position detection
Function Manual, 12/2017, A5E32009889-AG