Series 642
INSTALLATION
605593EC
Edition 2017-11-24
45/113
Example:
Set RAMP MODE of the Fixed 1 pressure controller to the value 0 (fixed time)
Command
Pressure
controller
Parameter selection variable
Parameter value
s:02
B (a)
02 (bb)
0 (c)
s:02B020
To optimize Fixed 1 algorithm, refer to chapter «Tuning of control performance».
4.6.9.3
Fixed 2 control algorithm
Parameter
Command
Request
Data Type
Values
RAMP TIME
Pressure setpoint ramp
time [s]
Set
s:02C01c
s:02
FLOAT
c = 0.00…1
’
000
’
000.0
Default is: 0.00
Get
i:02C01
i:02C01c
RAMP MODE
Set
s:02C02c
s:02
UINT
c = 0 or 1
0 = constant time
1 = constant slope
Default is: 0
Get
i:02C02
i:02C02c
CONTROL DIRECTION
Set
s:02C03c
s:02
UINT
c = 0 or 1
0 = downstream
1 = upstream
Default is: 0
Get
i:02C03
i:02C03c
P-GAIN
Set
s:02C04c
s:02
FLOAT
c = 0.001…100
Default is: 0.1
Get
i:02C04
i:02C04c
I-GAIN
Set
s:02C05c
s:02
FLOAT
c = 0…100.0
Default is: 0.1
Get
i:02C05
i:02C05c
Explanation: Refer to: «Fixed 1 control algorithm»