112 Rockwell Automation Publication 1756-RM100F-EN-P - October 2018
Chapter 6 Instruction Execution
X Mod 0
This instruction was updated to conform to IEC 61131-3 ed. 2 table 28 for
MOD function. In this case, anything Mod 0 results in 0.
This implementation affects the MOD instruction.
Mitigation
N/A
AND, NOT, OR, and XOR Support for REAL
The verification rules for these instructions now let you use REAL operands in
RLL routines that are based on existing behavior in non-RLL languages.
This implementation helps to make programming for these instructions
consistent across all languages.
Language Affected
Ladder Logic (RLL) Yes
Struc tured Text (ST) Yes
Function Blocks (FBD) Yes
Sequential Function Chart (SFC) No
5580/5380 Controllers 5570/5370 Controllers
Language Affected
Ladder Logic (RLL) Yes
Struc tured Text (ST) Yes
Function Blocks (FBD) No
Sequential Function Chart (SFC) No
5580/5380 Controllers
Also supported in RLL.
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