Siemens SIMATIC ET 200SP - Measured Variables; Measured Variables Overview

Using the SSI_Absolute_Encoder technology object
4.5 Programming the SSI_Absolute_Encoder
Counting, measurement and position detection
Function Manual, 12/2017, A5E32009889-AG
163
Parameter
Declaration
Data
type
Default
Description
Measured-
Value
OUTPUT REAL 0.0 Current measured value for
frequency, period duration or velocity
(depending on configuration)
Either MeasuredValue or CompleteSSIFrame is valid, depending
on the parameter assignment in the technology object under
"Measured value".
Complete-
SSIFrame
OUTPUT DWORD 0 Last received complete SSI frame (least significant 32 bits)
Either MeasuredValue or CompleteSSIFrame is valid, depending
on the parameter assignment in the technology object under
"Measured value".
Compare-
Measured-
Value
OUTPUT BOOL FALSE Status bit:
FALSE: Operating mode "Use position value (SSI absolute val-
ue) as reference"; position value is used as reference
TRUE: Operating mode "Use measured value as reference";
measured value is used as reference