LEROY-SOMER
4 - WIRING DIAGRAMS
4.1 - Standard configuration (factory setting)
power supply
Remote control
power supply
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
Speed analogue output 0 to +10V, 3mA
2
0V = zero speed
10V = maximum speed
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
Ramp selection or external fault logic input
(see page 53: P87)
9
1s (for 0 to 50Hz): terminals 9 and 10 not connected
3s (for 0 to 50Hz): terminals 9 and 10 connected
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
68
PARAMETER SETTING MANUAL
VARMECA 20
Variable speed motors and geared motors
WIRING DIAGRAMS
Mains
KM1
QS
AU
Braking
resistor
SB1
(Optional)
SB2
KM1
KM1
QS : Fused isolator
AU : Emergency stop
SB1 : Off button
SB2 : On button
VARMECA 20
1
L1
2
L2
3
+24V
L3
4
+10V
5
0V
PE
6
7
R1
8
R2
9
10
+24V
11
Fault relay
12
Reference
0 -10V
4 -20mA
3532 - 05.2004 / f
Analogue output
Control
potentiometer
Run reverse
Run forward
Ramp selection
MINI DIP K1
ON
OFF