Vacon Plc
Phone: +358-201 2121
Fax:+358-201 212 205
Service: +358-40-8371 150
E-mail: [email protected]
E-mail: [email protected]
Vacon
Page 19
Pump control with autochange
Code
Parameter
Range
Step
Default Custom
Description
Page
9
.
20
PI-regulator bypass
0—1
1
0
1 = PI-regulator bypassed 48
9. 21
Input pressure measu-
0—4
1
0
0 = Function not in use
49
rement: input selection
1 = U
in
signal (control board)
2 = I
in
signal (control board)
3 = Option board Ain1-signal
4 = Option board Ain2-signal
9. 22
Input pressure high limit
0—100,0%
0,1 %
30,0 %
Percents from the maximum of
49
the input pressure measurement
9. 23
Input pressure low limit
0—100,0%
0,1 %
20,0 %
Percents from the maximum of
49
the input pressure measurement
9. 24
Output pressure drop
0—100,0%
0,1 %
30,0 %
Value is percents from the
49
maximum actual value
9. 25
Frequency drop delay
0—300,0 s
0,1 s
0,0 s
0,0 = no delay
50
after starting an
0,1 - 299,0 = delay value
auxiliary drive
300,0 = no frequency drop
9. 26
Frequency increase
0—300,0 s
0,1 s
0,0 s
0,0 = no delay
50
delay after stopping
0,1 - 299,0 = delay value
an auxiliary drive
300,0 = no frequency increase
9. 27
Autochange mode
0—2
1
2
0 = autochange off
51
1 = autochange only with
auxiliary drives
2 = autochange with all drives
9. 28
Autochange interval
0,1—3000 h
0,1 h
50,0 h
Elapsed time for autochange
52
0 = Test, interval 40 secs
9. 29
Autochange level,
0—4
1
0
Determines how many auxiliary
53
auxiliary drives
drives can be running when
autochange is started
9. 30
Autochange level, .
0—f
max
0,1 Hz
40,0 Hz
Determines the level below
53
variable speed drive
which the frequency must be
frequency
before the autochange can
happen
0,0 Hz = autochange only in stop
or sleep state
9. 31
Autochange
0—1
1
1
0 = not in use
54
interlocks
1 = in use
9. 32
Actual value special
0—32000
1
0
55
display minimum (n26)
9. 33
Actual value special
0—32000
1
100
55
display minimum (n26)
9. 34
Actual val. special disp.
0—3
1
1
55
number of decimals
Note!
= Parameter value can be changed only when the frequency converter is stopped.
9.35
Interlock update
0 - 1
1
1
Update moment true when run
56
state: 0 = update after the auto-
change interval or stop state.
1 = update immediately
Table 6-1 Special parameters, Groups 2 - 9.