Honeywell UMC800 Reference Guide

Function Blocks
3/99 Function Block Reference Guide 147
2.50 PID Function Block,
continued
Configuration Parameters,
continued
TUNING
TAB
It looks like this graphically on the Control Builder. Table 2-42 describes the parameters and the value or
selection.
ATTENTION
Use of Tune SET 1 or 2 can be selected via input (SWI) from the Loop Switch block output (SWO) or, in the
case of DUP_A or DUP_B, automatically depending on the value of the previous output (>=50% or <50%)
Table 2-42 Tuning Tab Configuration Parameters
Properties Group Parameter Index# Parameter Description Value or Selection
Tuning
Constants
Prop Band
or
Gain
0
PB1 or
Gain1
30
PB2 or
Gain2
Proportional Band (PB
) - is the
percentage of the range of the
measured variable for which a
proportional controller will
produce a 100% change in its
output.
Gain
- is the ratio of output
change(%) over the measured
variable change (%) that caused
it.
G = 100%
PB%
where PB is the proportional
Band (in %)
0.1 to 1000
0.1% to 1000%
ATTENTION: Enter
values for tuning
set 1 and tuning set
2 in specified fields
.
continued next page

Honeywell UMC800 Specifications

General

Brand	Honeywell
Model	UMC800
Category	Controller
Language	English