11. Appendix B
11.1. Standard Function Block Parameters
R400 Experion PKS Series A Fieldbus Interface Module User's Guide 483
July 2010 Honeywell
Valid Views
VIEW_2
Storage
Static
Remarks
Initial value is 100 percent
SP_LO_LIM
Classification
Simple Variable
Description
Defines the low limit for set point entry.
FF Data Type
Float
Range
PV_SCALE +/- 10 percent
Usage
C/Contained
Length
4
Valid Views
VIEW_2
Storage
Static
Remarks
Initial value is zero (0)
SP_RATE_DN
Classification
Simple Variable
Description
Defines the downward ramp rate in PV units per second for
set point changes to invoke action in the Auto mode.
FF Data Type
Float
Range
Positive
Usage
C/Contained
Length
4
Valid Views
VIEW_4
Storage
Static
Remarks
If the ramp rate is set to zero or the block is not in Auto
mode, the set point change is invoked immediately.