F_Mid3_R - Siemens SIMATIC S7 F Manual

Fail-Safe Blocks
8.13.7

F_MID3_R

Function
This block compares three inputs and then outputs the median value at the output.
OUT = mean value {IN1, IN2, IN3}
I/Os
Name
Inputs: IN1
IN2
IN3
Output: OUT
Error Handling
If the operation generates an invalid REAL number the event will be recorded in
the Diagnostic Buffer.
Error Information in Diagnostic Buffer
Error Code (W#16#...)
75D9H
Fail-Safe Systems
A5E00085588-03
Data Type Explanation
F_REAL Input variable 1
F_REAL Input variable 2
F_REAL Input variable 3
F_REAL Mean value
Description
Invalid REAL number generated by the operation.
Default
0.0
0.0
0.0
0.0
8-121