Vacon CX Manual

Vacon Plc Phone: +358-201 2121 Fax:+358-201 212 205
Service: +358-40-8371 150 E-mail: vacon@vacon.com
E-mail: application.team@vacon.com
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.

Vacon CX Specifications

General

Brand	Vacon
Model	CX
Category	Media Converter
Language	English