Fagor PS-65A - Page 345

Connection diagrams
CONNECTION DIAGRAMS
Diagrams with an RPS-XX power supply
10.
345
DDS
HARDWARE
Ref.1310
F. H1 0/1 9
System with RPS power supply. Diagram of the maneuver.
F. H1 0/2 0
System with RPS power supply. General diagram.
+24VDC
KA3,1
KA1
X+
X-
Y+
Y-
Z+
Z-
ON
KA2
OFF
-KA2
-KM1
SYSTEM
SPEED
ENABLE
EMERG.
STOP
RPS
SYSTEM OK
I1 PLC
CNC EMERG.
O1 PLC
-KA1
EMERGENCY LINE
GND
ON OFF
TO SPEED ENABLES
KA1
KA2,3
KA2,1
KA2,2
ON
Green
OFF
Red
DELAY OFF
-KA3
DRIVE
ENABLES
-KA7
-KA4
-KA5
-KA6
BRAKE
CONTROL
BRK
(See GP9)
CNC
ENABLE
S
CNC
ENABLE
X
CNC
ENABLE
Y
CNC
ENABLE
Z
t seconds
(See GP9)
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 inside a circle in figure
F. H10/18 and the contactor - KM1 in figure
F. H10/20.
OPERATION DIAGRAM. RPS-XX
Important. The relay - KA3 acts simultane-
ously upon contact KA3,1 to excite the coil of
contactor - KM1 and upon the auxiliary contact
KA3,2 (see previous figure) associated with
the PWN ENABLE (pin 4 of X6) of the RPS
power supply. Make sure that the time t used
to program the delay of relay - KA3 associated
with contacts KA3,1 and KA3,2 is
greater than
the braking time (full stop) to permit returning
all the excess energy to mains while braking.
The delay disconnec-
tion time “t” to be pro-
grammed at relay - KA3
must be GREATER
THAN the total amount
of time required to
brake the motor to a full
stop.
PE
- S1
- F3
- F4
- F5
MAINS FILTER XXA
CHOKE RPS-XX
w1 v1 u1
w2 v2 u2
L2
L1L2L3
TO THE X1 CONNECTOR
RPS-XX POWER SUPPLY
TO THE 1 POWER CONNECTOR
RPS-XX POWER SUPPLY
3x400-460 VAC
3x400-460 VAC
TO CONNECTOR 2 OF THE
RPS-XX POWER SUPPLY
- FEEDBACK CONNECTOR OF THE
AUXILIARY SIGNAL LINE-
3x400-460 VAC
R
S
T
R
S
T
CONTACTOR
KM1
L1
L3
R
S
T
N
INDUCTANCE
- Q1
WARNING. When using an isolating transformer, the secondary must be
connected in star and its middle point must be connected to GND.
IT A MUST TO USE FUSES
POWER MAINS
MECHANICAL
MAIN SWITCH
DIFFERENTIAL
BREAKER
ASSOCIATED RELAY,
TWO NORMALLY OPEN
CONTACTS WITH
DELAYED SWITCH-OFF
AT PIN 4 OF X6
24VDC
-KA3
PWM ENABLE
24VDC
-KM1
GND
KA3,1
KA3,2
GENERAL DIAGRAM. RPS-XX
Note 1. Observe that having the main switch - S1
closed, although the power contactor - KM1 is
open, the internal auxiliary power supply remains
connected to the unit through its connector X1 to
feed the control circuits of the drive.
See fig.a
fig.a