71
PARAMETER SETTING MANUAL
VARMECA 20
Variable speed motors and geared motors
WIRING DIAGRAMS
LEROY-SOMER
3532 - 05.2004 / f
en
4.4 - Configuration 1: with VMA ESFR option card (VMA B20 only)
3 preset speeds and analogue reference or 2 preset electrical brake
release and analogue reference
Marking
Functions - Characteristics
Connection of the braking resistor (optional)
R1, R2
VMA21 - min. resistance value = 200 Ohms
VMA22 - min. resistance value = 200 Ohms
1
Locking logic input
Terminals 1 and 3 not connected: drive disabled
Terminals 1 and 3 connected: drive enabled
2
Reference selection logic input
3
24VDC, 30mA (Sensor power supply)
Common at terminal 10
4
10V, 10mA
5
0 V
6
Reference input 0 to +10V or 4-20mA
0-10V: input impedance = 100kOhms
4-20mA: input impedance = 0.5kOhms
11, 12
Fault relay - volt-free contact 250V 1A
Contact open: switched off or faulty
Contact closed: running
On ESFR option
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
7
Reverse/Stop logic input
8
Forward/Stop logic input
9
Reference selection logic input
10
24VDC, 30mA
Common at terminal 3
13
Logic input = selection of a 3rd speed
preset or electrical brake release (P70)
1
2
3
4
R1
R2
5
6
11
12
QS : Fused isolator
AU : Emergency stop
SB1 : Off button
SB2 : On button
Control
potentiometer
0V
+24V
+10V
+24V
Preset speed
or electrical brake
release
Selection of preset speeds
Run forward
Run reverse
Fault relay
VARMECA 20
QS
KM1
Power supply to 2nd motor
(variable frequency and voltage output)
Power supply to 2nd brake
(mains voltage output)
SB2
KM1
SB1
AU
Remote control
power supply
KM1
Braking
resistor
(Optional)
Analogue reference
selection
S2
S3
S1
Mains
power supply
+24V
789
1
0
78
9
1
0
1
3
PE
PE
L1 L2 L3 F1 F2 U V W
VMA ESFR
option card
QS
Associated parameter setting
For other parameter settings see sections 2 and 3.
CDC-VMA 20
PEGASE VMA 20
P14 = config.1
Terminal block configuration = Config. 1
P15 = VP1 (Hz)
VP1 option 1-4
P16 = VP2 (Hz)
VP2 option 1-4
P17 = VP3 (Hz)
VP3 option 1
P60 = ON
Dynamic control = YES
P61 = dep. on application
Brake release F
P62 = dep. on application
Brake engage F
P63 = dep. on application
T1 release
P64 = dep. on application
T2 magnetisation
P65 = dep. on application
DC injection time delay
P66 = dep. on application
T4 brake engage
P67 = dep. on application
DC injection level
P68 = dep. on application
I threshold before brake release
P69 = ON
VMA ESFR = YES
P70 = VP3-1 or D. BRAKE
Terminal 13 = VP3-1 or D. BRAKE
Reference
S1
S2
S3
VP1-1
1
0
0
VP2-1
0
0
0
VP3-1 or D.BRAKE
0
0
1
Analogue reference
0
1
0
