ABB C310 Programming Manual page 36

...4.10 Set Up Control Page
HEAtCL
ACtN–h
ACtN–c
100%
Low O/P
Limit
(Cool)
0%
0%
Heat Output Action – Direct or Reverse
Cool Output Action – Reverse
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If
Control Action (Heat)
Type 1.
Control Action (Heat)
rEV
Select the action for the heat and P.I.D. control outputs:
100
Output
Control Action (Cool)
dir
Select the action for the cool control output:
Continued on next page.
High O/P
P.I.D. Output
Fig. 4.8 Heat/Cool Control Actions
was selected at
HEAtCL
, otherwise advance to
– direct acting
dir
– reverse acting.
rEV
Output
decreases
as process
variable
increases
%
0
Eng. Range
Reverse Acting
– direct acting
dir
– reverse acting.
rEV
100%
High O/P
Limit
(Cool)
Limit
(Heat)
0%
0%
100%
Heat Output Action – Direct or Reverse
Cool Output Action – Direct
4 CONFIGURATION...
Control Mode
100
%
Output
PV 0
Eng. Range
Direct Acting
P.I.D. Output
, advance to
Logic Input
Output
increases
as process
variable
increases
PV
High O/P
Limit
(Heat)
100%
33