User manual

33
4 - Operations
OP4 output, if present, retransmits
linearised PV or the SP.
On configuration (see page 37) it
is possible to set:
Output
range
0=20 / 4=20
Retransmitted
signal
p.U. /
s.p.
The following parameters define
the low and high range of the OP4
retransmission output corre-
sponding to 0…4mA or 20mA
(see page 27):
Retransmission
low range
Retransmission
high range
#rt.Hi
#rt.lo
#rt.H
#retr
RETRANSMISSION
A Heat /Cool actions
separated
Insert positive
#d.bnd
value
(0…10%)
B Heat /Cool actions
overlapped
Insert negative
#d.bnd
value
(-10…0%)
100%
100%
#d.b.nd
#Op.HC#Op. H
50%
Heat
output
Cool
output
0%
0%
PID output
-100%
100%
100%
#d.b.nd
#Op.HC#Op. H
50%
Heat
output
Cool
output
0%
0%
PID output
-100%
C Cool action adjusting
Example with different relative cool
gains
D On-Off Cool action
100%
100%
#d.b.nd
#hy. C
50%
Heat
output
Cool
output
0%
0%
PID output
On
Off
100%
100%
#d.b.nd
#r.C.Ga
0.1…10.0
50%
Heat
output
Cool
output
0%
0%
PID output
-100%
=2.0
=1.0
=0.5