LEROY-SOMER
Variable speed motors and geared motors
4.6 - Configuration 3: Correction of an external reference using the speed control
knob or Local/Remote command
Correction of an external reference via the local control knob
Mains
power supply
KM1
QS
Remote control
power supply
AU
Braking
resistor
SB1
(Optional)
SB2
KM1
KM1
QS : Fused isolator
AU : Emergency stop
SB1 : Off button
SB2 : On button
Marking
Functions - Characteristics
Connection of protected mains supply phases
L1, L2 or 200V to 240V ± 10% 50-60Hz in single-phase
L1, L2, L3 220V to 480V ± 10%, 50-60Hz in three-phase
PE
Earth connection
Connection of the braking resistor (optional)
R1, R2
VMA21 - min. resistance value = 200 Ohms
VMA22 - min. resistance value = 200 Ohms
Locking logic input
1
Terminals 1 and 3 not connected: drive disabled
Terminals 1 and 3 connected: drive enabled
External reference analogue input
2
0-10V, 4-20mA
Source +24VDC, 30mA
3
Common at terminal 10
4
Source +10V, 10mA
5
0 V
Reference input 0 to +10V or 4-20mA
6
0-10V: input impedance = 100kOhms
4-20mA: input impedance = 0.5kOhms
7
Reverse/Stop logic input
8
Forward/Stop logic input
Logic input - Enable/Disable - Correction
9
S1 open: correction possible
S1 closed: no correction
Source +24VDC, 30mA
10
Common at terminal 3
Fault relay - volt-free contact 250V 1A
11, 12
Contact open: switched off or faulty
Contact closed: running
PARAMETER SETTING MANUAL
VARMECA 20
WIRING DIAGRAMS
VARMECA 20
1
L1
Potentiometer or
2
external reference
L2
3
+24V
0-10V/4-20mA
L3
4
+10V
Local
control
0V
knob
0V
5
PE
6
7
Run reverse
R1
8
Run forward
R2
9
Enable/Disable
S1
local control knob
10
+24V
11
Fault relay
12
Local/Remote speed control
+24V
+10V
Local
control
knob
0V
+24V
Type of operation
Correction
Correction possible
of a reference
No correction
Local/
Local control
Remote
Remote control
Associated parameter setting
CDC-VMA 20
P14 = Config. 3
Terminal block configuration = Config. 3
Reference
0 -10V
4 -20mA
For other parameter settings see sections 2 and 3.
3532 - 05.2004 / f
1
A
S2
2
Local/Remote
3
B
4
Remote
reference
5
6
7
Run reverse
8
Run forward
9
Enable/Disable
S1
local control knob
10
11
Fault relay
12
S1
S2
0
1
0
B
1
A
PEGASE VMA 20
Mini Dip K2
ON
OFF
73