Fagor DDS Series Hardware Manual page 344

   Connection diagrams
Diagram for general connection to mains
PE
10.
F. H10/14
System with a PS-25B4 power supply. Diagram for general connection to mains.
Diagram of the maneuver
Important. The relay - KA3 uses delayed deactivation (t seconds) maintaining the DRIVE ENABLE control signal
active for a few seconds to maintain motor torque while the vertical axis holding brake is enabled. See parameter
GP9 in the «man_dds_soft.pdf» manual.
358
DDS
HARDWARE
Ref.1912
F. H10/15
System with a PS-25B4 power supply. Diagram of the maneuver.
· 344 ·
WARNING. When using an isolating transformer, the secondary must be
connected in star and its middle point must be connected to GND.
L1 - F3
L2 - F4
L3
- F5
N
IT A MUST TO USE FUSES
- S1
MECHANICAL
MAIN SWITCH
Note. Observe that having the main key - S1 closed, although the
power contactor - KM1 is open, the internal auxiliary power supply
remains connected through its connector X3 to feed the control circuits
of the drive.
+24VDC
X+
KA1
X-
Y+
Y-
Z+
Z-
ON KM1
EMERG.
STOP
OFF
PS-25B4
SYSTEM OK
-KA2
SYSTEM
I1 PLC
SPEED
ENABLE
CNC EMERG.
O1 PLC
-KM1
-KA1
EMERGENCY LINE
GND
Note. CNC EMERG. will always be assigned to I1/O1 of the PLC with an 8055/55i CNC. With an 8070 CNC,
it may be assigned to any I/O of the PLC. The contacts associated with relays - KA2, - KA3, - KA4, - KA5,
- KA6 and - KA7 are shown in
- Q1
DIFFERENTIAL
BREAKER
TO THE X3 CONNECTOR
PS-25B4
POWER SUPPLY
KM1
KA2 KA2
CNC
ENABLE
ON OFF
Green Red
-KA3
-KA7
DRIVE
Delay off
ENABLES
t seconds
(See GP9)
ON OFF
and the contactor - KM1 in fig.
F. H10/13
MAIN FILTER 42A-A
L1
L2
L3 L2
TO THE POWER CONNECTOR
PS-25B4 POWER SUPPLY
3x 400-460 VAC
KA1
KA2
CNC CNC CNC
ENABLE ENABLE ENABLE
S X Y Z
-KA4 -KA5 -KA6
to SPEED ENABLES
.
F. H10/14
L1
L2
L3
- KM1
CONTACTOR
L1
BRK
BRAKE
CONTROL
(See GP9)