Control Page (Heat/Cool Control) - ABB C300 Operating Manual

...7 CONTROL LEVEL

7.3.1 Control Page (Heat/Cool Control)

The following parameters appear only if Heat/Cool is selected at
.
Up Control Page
ContrL
PAGE
Time Proportioning
CYCLE h
5.0
Current
Proportioning
2nd O/P
t–PrOP
2nd O/P
=
CYCLE c
C–PrOP
5.0
ProP h
100.0
t–untS
SECS
INtGrL h
OFF
Int. Action
Integral
Time Off
Action
Time
MrSEt h
Set
50.0
ProP c
100.0
26
Page Header – Control Page (Heat/Cool Control).
Cycle Time (Heat)
This frame appears only if
selected in the
time between 1.0 and 300 in 0.1 second increments. For
Heat/Cool Control,
=
Cycle Time (Cool)
This frame appears only when the
Set Up Control Page
cycle time between 1.0 and 300 in 0.1 second increments.
Proportional Band (Heat)
Set the proportional band value required, between 0.1 and
999.9% in 0.1% increments.
Time Units
The time units for the integral and derivative action times
(see below) can be set to minutes
Integral Action Time (Heat)
Set the required time between 1 and 7200 in 1 second
increments (0.1 and 120 minutes in 0.1 minute
increments).
Manual Reset (Heat)
This is only operable with Integral Action Time (Heat) set to
OFF
0.0 and 100.0% of the display span in 0.1% increments.
Proportional Band (Cool)
Set the proportional band value required, between 0.1 and
999.9% in 0.1% increments.
Continued on next page.
Set Up Control Page
'ON/OFF' mode must not be selected.
is time proportioning. Set the required
is displayed in place of 7201 (120.1).
OFF
. Set the required proportional band offset between
frame in the
Control Mode
Time Proportioning Control
. Set the required cycle
Second Output Type
or seconds
MINS
Set
is
in the
.
SECS