CLINK II SCU MANAGER
functional description scu
version 5.0
29
5.4.2
Analog output
The SCU has 1 analog output that can be used as a 0-20 mA or 4-20 mA output. The analog output range can
be controlled via LCU-5. Select:
SCU Manager - Unit Properties - tab An. Output
. The analog output signal is
determined by a parameter setting in LCU-5. See table 22.
Note
An output signal leaving the motor starter tray must be isolated.
5.5
Motor control
The motor control function takes care of the motor control, using a number of preprogrammed starter logic
procedures:
•
Direct-on-line
•
Star-delta
•
Forward-reverse
•
Dual-speed
Apart from these starter logic procedures, the automatic restart function ensures that the motors are restarted
after a mains interruption.
This paragraph describes the working of both the starter logic functions and the automatic restart function.
Table 22: Reading and setting the analog output function
Name
Default
Description
Parameter
type
Analog Output
Source
X
Analog Output Value
(External)
0..100% =
0..100%
Setpoint
Motor Current L1
0..100% =
0 .. 1.2 In
Motor Current L2
0..100% =
0 .. 1.2 In
Motor Current L3
0..100% =
0 .. 1.2 In
Earth Leakage Current
0..100% =
0 .. 6 A
Power Factor
0..100% =
0..1 or 0..-1
Analog Output
Range
X
0 - 20 mA
Setpoint
4 -0 mA