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3.5.2.2 - 3-phase AC power supply in accordance with safety standard EN954-1 - category 1 with use of safety input
(local options or external ref.)
Local option indication
Selection of 0-10 V/4-20 mA
(local options or external ref.)
Local option indication
Selection of 0-10 V/4-20 mA
Note:
For single-phase standards, the power supply is connected to terminals L and N.
QS: Fused isolator: QS must be opened before any intervention on the electrical parts of the drive or motor.
AU: Emergency stop button.
Optional braking resistor. Dissipates the active power returned by the motor onto the drive DC bus in the event of a driving
machine.
Using the safety input means the motor can be stopped in freewheel mode without using a line contactor. The drive's internal
principles are sufficiently safe to perform a stop using the safety input directly (category 1 of EN954-1).
INSTALLATION AND MAINTENANCE
VARMECA 30
Variable speed motor or geared motor
CONNECTIONS
1
0-10 V/4-20 mA
2
speed reference
3
4
Motor PTC input
5
6
7
External fault input
8
Forward/Stop
9
Reverse/Stop
10
speed reference
11
12
QS
AU
13
Indicator relay
14
1
0-10 V/4-20 mA
2
speed reference
3
4
Motor PTC input
5
6
7
External fault input
8
Forward/Stop
9
Reverse/Stop
10
11
12
speed reference
13
14
QS
AU
15
16
Indicator relay
17
18
Safety contact
19
VARMECA 31/32
10V
L1
ADI1
L2
0V
L3
ADI2
24V
ADIO3
PE
DI01
R+
DI2
Braking resistor
(optional)
DI3
R-
DI4
Jumper to be removed if
Fi
optional Braking resistor
+24V
connected
ENA
RL1
RL2
VARMECA 33/34
10V
L1
ADI1
L2
0V
L3
ADI2
0V
ADIO3
PE
DI01
+24V
R+
Braking resistor
DI2
(optional)
DI3
R-
+24V
DI4
SDI1
SDI2
COM
RL1C
RL10
SD01
SD02
3776 en - 07.2007 / h
Mains supply
QS
Mains supply
QS
55
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