Allen-Bradley LOGIX 5000 Reference Manual page 301

Drives
Output
Parameter Data Type
RTSTimeInv BOOL
(Satus.29)
RTSTimeStampInv BOOL
(Status.30)
DeltaT (Status.31) BOOL
Structured Text
Operand Type
SOC tag SEC_ORDER_CONTROLLER
See Structured Text Syntax for more information of the syntax of expressions
within structured text.
Description
The SOC instruction provides a gain term, a first order lag, and a second order
lead. The frequency of the lag is adjustable and the frequency and damping of the
lead is adjustable. The zero pair for the second order lead can be complex
(damping is less than unity) or real (damping
is designed to execute in a task where the scan rate remains constant.
The SOC instruction uses the following Laplace Transfer equation.
Rockwell Automation Publication 1756-RM006K-EN-P - November 2018
Description
Invalid RTSTime value.
Invalid RTSTimeStamp value.
Invalid DeltaT value.
Format
structure
to unity). The SOC instruction
Chapter 2
Description
SOC structure
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