Hyster - Allen-Bradley Micro800 General Instructions Manual

Chapter 18
Process control instructions

HYSTER

Parameter
EN
XIN1
XIN2
EPS
ENO
Q
530
HYSTER performs hysteresis on a Real value for a high limit.
Arguments
Parameter type Data type
Input BOOL
Input REAL
Input REAL
Input REAL
Output BOOL
Output BOOL
Hyster timing diagram example
Rockwell Automation Publication 2080-RM001D-EN-E - February 2015
Description
Function block enable.
When EN = TRUE, execute function.
When EN = FALSE, do not execute function.
Applies only to LD programs.
Any real value.
To test if XIN1 has overpassed XIN2 + EPS.
Hysteresis value (must be greater than zero).
Enable out.
Applies only to LD programs.
TRUE if XIN1 has overpassed XIN2 + EPS and is not yet below XIN2 - EPS.