gefran 2500 User Manual

MIN Power Limit
[-100.0 ... 100.0] %
(Considered only in automatic)
MAX Power Limit
[Lo.P ... 100.0] %
(Considered only in automatic)
Cooling fluid
[0 ... 2]
Cooling setPoint relative to heating
setpoint
[
±25.0
] % f.s.
SV
F
PV
SV
F
PV
SV
F
PV
SV
F
PV
SV
F
PV
Defines the variable used to
activate the PID parameter
group
SV
F
PV
SV
F
PV
SV
F
PV
SV
F
PV
SV
F
PV
Sequential setting of Pid parameter groups
where x = 1, ... ,n.Pid;
max. 8 groups
Proportional band or control
hysteresis ON/OFF
[0.0 ... 999.9] % f.s.
Integral Time
[0.0 ... 999.9] sec
Derivative Time
[0.0 ... 999.9] sec
Reset Power
[-100.0 ... 100.0] %
Setpoint at which the
PID parameter group beco-
mes active
Pb.x
It.x
dt.x
PrS.x
UAL.x
t.Pid
Example
If t.Pid = 0, UAL.3 = 300, the Pid3 parameters
group becomes active when Process Variable
PV exceeds 300
Pid parameter group 1
Lo.P
xI.P
(.ME
i
Type Relative gain
(see “Applicative Notes”)
0 AIR 1
1 WATER 0,8
2 OIL 0,4
(.ME
i
c.SP
SV
F
PV
SV
F
PV
SV
F
PV
SV
F
PV
Pb.1
It.1
dt.1
PrS.1
n.Pid > 1
YES
NO
B
No. of Pid parameter groups
[1 ... 8]
SV
F
PV
n.Pid
A
0 PV
1 Setpoint
2 Deviation
3 Setting from digital inputs
The controller (single loop) can have several selec-
table PID parameter groups (maximum 8)
The previous UAL.x setpoint value must be lower
than the following one
In local manual mode, actuation of set power may
exceed Lo.P / Hi.P limits if the instrument is not
explicitly configured via CTR=+64
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gefran 2500 Specifications

General

Brand	gefran
Model	2500
Category	Controller
Language	English