Nordson VersaBlue VA - Speed Control - Key-To-Line

0
40
60
80
100
20
100.0
0.0
20 40 60 80 100 [%]
80.0
rpm
%
Line speed for max. pump speed
Max.
pump
speed
Min.
pump
speed
rpm
rpm0
Actual
Line speed for min. pump speed
0.0
%
Operation
4‐75
P/N 213828_11
 2014 Nordson Corporation
VersaBlue_PPA
Motor (contd.)
Speed Control ‐ Key‐to‐line ‐
Control can occur via various signals:
a. Frequency: 0 to 100 kHz
NOTE: Not available with the option Separate line speed signal inputs.
Settings on the control panel:
Key-to-line signal: Frequency
Max. in key-to-line mode: The frequency at maximum line speed is then
100 %.
b. Voltage: 0 to 10 V
DC
Setting on the I/O board: Voltage
Settings on the control panel:
Key-to-line signal: Analog, voltage
Max. in key-to-line mode: The voltage at maximum line speed is then 100 %.
c. Current: 0 to 20 mA or 4 to 20 mA
NOTE: Not available with the option Separate line speed signal inputs.
Settings on the I/O board: Current and 0 - 20 mA or 4 - 20 mA
Settings on the control panel:
Key-to-line signal: Analog, current
Max. in key-to-line mode: The current at maximum line speed is then 100 %.
Other Settings
 Speeds (Refer to illustration)
 Touch key Key-to-line so that the LED lights up (Refer to Fig. 4‐89).