Installation
20
3.4.4 Sequential Soft Start Diagram
L / 24Vdc
N or 0Vdc
D1-1I
D1COM
3 Phase Supply
VMX-synergy Plus
M2
3~
K1
M1
3~
B1
3~
3~
3~
3~
110/230Vac or 24Vdc
Control Supply
After emergency
stop button
N or 0Vdc
K2.1
STOP
EMERGENCY
STOP
START
K3.1
B1
K1.1
LATE BREAK
T2
K1.2
K0
K0
K3.2
K1.3
T1
B1
TR.1
K0
K1.4
STARTER
53 54
B1
B2
TR.2
K0
K3.3
110/230Vac or 24Vdc
Control Supply
N or 0Vdc
Control Supply
Notes
Soft Starter must have stop time set to 0
T1 Time between K1 or K3 closing and the
starter being energized - 0.5 sec minimum.
T2 Time between B1 closing and K3 closing
-Dependent on application - 0.5 sec
minimum.
Set to ‘Two wire control’
Emergency stop switch cuts off control supply
and drops out starter and motors.
Stop switch drops control supply from
contactors and timers stopping both motors.
Start switch initiates soft start then bypass of
motor 1 immediately followed by soft start
then bypass of motor 2.
Soft Starter must be rated for combined
starting duty.
The control logic can be continued for more
motors.
The thermal capabilities of VMX-synergy
should be considered.
K0
K1
K3
T1
K2
TR
B1
T2
B2
FU1
(OPTIONAL)
K3
B2
CAUTION
REFER to Section 3.2 for input control voltage.
RÉFÉRER au Section 3.2 pour des tensions de contrôle d’entrée
