Eliwell RGF 312 - P Roportional

RGF 300
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4.4 PROPORTIONAL BAND regulation (P2 trimmer) - PHASE 2
P2
P
ROPORTIONAL
B
AND
- mA
Trimmer
P2
takes on different roles depending on the model of
rgf300
chosen:
- on '
Master
'
operation models (
M,V,X,Y
),
P2
adjusts the proportional band.
- on
'Slave'
operation models (
M
and
V
), trimmer
P2
is set at the factory to
give maximum voltage to the load corresponding to the maximum control
signal sent to the regulator.
-
Vdc
-
°C
4.4.1 Versions with MASTER regulator operation
In
MASTER
regulator versions the range determines the value in
mA / V / °C
of the input signal that,
once set, passes the fan from the maximum voltage (
MAX.OUT P4
) to the minimum set (
MIN. OUT
P5
or
P6
).
The
P2
work field is different for different versions.
fig. 32
for
MASTER
4-20 mA
(M)
MmMm Mm
c
cc
0.4 mA 2.1 mA 4.0 mA
MmMm Mm
c
cc
0,3 Vdc 1,75 Vdc 3,5 Vdc
for
MASTER
0-10 Vdc
(V)
for
MASTER
NTC °C
(X - Y)
Mc m
P4
P5
MmMm Mm
c
cc
3 °C 18 °C 30 °C
PB