Siemens SIMATIC S7 F - F_Sub_R

Fail-Safe Blocks
Fail-Safe Systems
8-116 A5E00085588-03
Error Information in Diagnostic Buffer
Error Code (W#16#...) Description
75D9H
Invalid REAL number generated by the operation.
8.13.2 F_SUB_R
Function
This block subtracts the input IN2 from the input IN1 and outputs the difference at
the output.
OUT = IN1 – IN2
I/Os
Name Data Type Explanation Default
Inputs:
IN1 F_REAL Minuend 0.0
IN2 F_REAL Subtrahend 0.0
Output:
OUT F_REAL Difference 0.0
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#...) Description
75D9H
Invalid REAL number generated by the operation.