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I-MAT_Ed6 - Operating Instructions
Page 49 / 164
SA18
Fieldbus Type
0 = oFF
1 = Modb
2 = PbuS
3 = PnEt
oFF
SA19
Comunication Big Endian / Little Endian
0 = Big Endian
1 = Little Endian
0
SA20
Enable timeout
(s)
Off
On
Off
SA21
Comunication timeout
(s)
1 – 10
5
SA22
Device Address
0 – 255
0
SA23
Baudrate
0 = 9600
1 = 19200
2 = 38400
3 = 57600
4 = 115200
0
SA24
Parity
0 = None
1 = Odd
2 = EVEn
0
16.4. Parameter PC – Pressure constant settings
N°
Description
Parameter values
Standard
Modifications
PC01
Minimum run frequency for primary set-
point
(Hz)
Auto
auto
PC02
Frequency before stop for primary set-point (Hz)
Auto, Man
Auto
PC03
Minimum run frequency for secondary set-
point
(Hz)
Auto
PC04
Frequency before stop for secondary set-
point
(Hz)
Auto
PC05
Time before stop
(s)
30
PC06
Set-point pressure step up
(bar)
0,3
PC07
Pressure step up ramp
(bar/s)
0,3
PC08
Pressure step up time
(s)
3
PC09
Restart fall pressure set-up
(bar)
0,3
PC10
System dynamic
3
PC11
Pressure PID (proportional gain)
3000
PC12
Pressure PID (integral time constant)
400
PC13
Pressure PID (derivative time constant)
1000
PC14
Cascade mode start fall pressure set-up
(bar)
0,3
PC15
Cascade mode restart delay
(s)
10
PC16
Cascade mode fall pressure limit set-up
(bar)
0,6
16.5. Parameter PP – Proportional pressure settings
N°
Description
Parameter values
Standard
Modifications
PP01
Percentage of the pressure with zero flow
(%)
50
PP02
Minimum run frequency proportional
pressure
(Hz)
auto
PP03
Frequency before stop proportional
pressure
(Hz)
auto
PP04
Time before stop
(s)
30
PP05
Set-point pressure step up
(bar)
0,3
PP06
Pressure step up ramp
bar/s
0,3
PP07
Pressure step up time
(s)
3
PP08
Restart fall pressure set-up
(bar)
0,3
PP09
System dynamic
3
PP10
Pressure PID (proportional gain)
3000
PP11
Pressure PID (integral time constant)
400
PP12
Pressure PID (derivative time constant)
1000
PP13
Cascade mode start fall pressure set-up
(bar)
0,3
PP14
Cascade mode restart delay
(s)
10
PP15
Cascade mode fall pressure limit set-up
(bar)
0,6
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