Process Control Instructions
130 Rockwell Automation Publication 1756-RM006K-EN-P - November 2018
This information applies to the CompactLogix 5370, ControlLogix 5570,
Compact GuardLogix 5370, GuardLogix 5570, Compact GuardLogix 5380,
CompactLogix 5380, CompactLogix 5480, ControlLogix 5580, and GuardLogix
5580 controllers.
The SRTP instruction takes the 0-100% output of a PID loop and drives heating
and cooling digital output contacts with a periodic pulse. This instruction controls
applications such as barrel temperature control on extrusion machines.
Available Languages
Ladder Diagram
This instruction is not available in ladder diagram logic.
Function Block
Structured Text
SRTP(SRTP_tag)
Operands
Function Block
Operand Type Format Description
SRTP tag SPLIT_RANGE Structure SRTP structure
Structured Text
Operand Type Format Description
SRTP tag SPLIT_RANGE Structure SRTP structure
See Structured Text Syntax for more information on the syntax of expressions
within structured text.
Proportional (SRTP)
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