Power supplies
94
2.
POWER SUPPLIES
Regenerative regulated power supplies
86
DDS
HARDWARE
Ref.1310
The following table shows the values for gap, tightening torque, sections
of the screws and other data of the plug-in connector for X2.
A door closes an enclosure that contains a DDS system with an RPS
power supply. The 24 V DC supplied at pin 1 of connector X2 may be tak-
en to one end of the door opening/closing switch and connect the other
end to pin 4 <PWM ENABLE> of control connector X6. When the door is
closed, 24 V DC are applied to pin 4 <PWM ENABLE> hence letting the
system run. When the door opens, the switch opens and voltage is no
longer applied to pin 4 of X6 hence opening the integrated safety relay.
The system stops.
NOTE. Do not take this example as a real application, but just as an ap-
proach to the functionality of the PWM ENABLE.
X3 connector
The main integrated contactor “LINE CONTACT” (N.O., Normally Open) is
closed through connector X3.
The status of the contactor will be acknowledged through pins 1 and 2 of
this connector and the CNC, PLC, control panel, etc. will confirm that the
integrated contactor has actually closed.
T. H2/33 Data of the plug-in connector for X2.
Connector data
RPS-80
RPS-75
RPS-45
RPS-20
Nr of poles 3 3
Gap (mm) 5.00 5.00
Min./max. tightening torque (N·m) 0.5/0.6 0.5/0.6
Screw thread M3 M3
Min./max. section (mm²) 0.2/2.5 0.2/2.5
Rated current In (A) 12 12
Wire data
Length to strip (mm) 7 7
INFORMATION. In cases of micro-surges or total loss of mains power,
this module guarantees stable and maintained 24 V DC while the motors
are being stopped. This is an absolute must in order to comply with the
CE requirement for the machine.
Example regarding the 24 V DC of connector X2
MANDATORY. Pins 3 and 4 MUST BE short-circuited to close the inter-
nal contactor of the power supply and let the system run. Hence, get a 1
mm² cable and jumper NS1 (pin 3) and NS2 (pin 4) externally to close the
main internal contactor. Remember that these pins do not come short-cir-
cuited from the factory and if they are not short-circuited by the user, the
DC bus will not be charged.
F. H2/46
Connector X3. Closing the main internal contactor “LINE CONTACT”.
(Phoenix,
7.62 mm)
X3
LINE CONTACT
NS1
NS2
RPS-
Jumper with
1 mm
2
section
cable
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