Auxiliary modules
4.
AUXILIARY MODULES
External Auxiliary Power Supplies
174
Ref.2003
· 160 ·
QC-PDS
HARDWARE
X33 connector.
Soft-start circuit activation
Male 2-pin connector located at the front of the unit and identified as X33.
Female aerial plug connector with a push-in connection supplied as an
accessory. This is used to close the N. O. contacts associated with an
internal relay and thus set the activation of the controlled load at the DC
BUS.
The following table shows the main data of the aerial connector and the
wire to be connected:
Pinout
Pin description
Installation
See section, 8.5.11 CONNECTING THE SOFT-START ACTIVATION CIRCUIT.
NOTE. Only available for the QC-APS3-15 auxiliary power supply.
Connector data
Nr of poles 2
Gap (mm)
2.5
Cross-section S (mm²) 0.5
Connection data
Length to strip (mm) 8
Cross-section of solid conductor (mm²)
0.5
Cross-section of flexible conductor (mm²)
0.5
Cross-section of flexible conductor, with a
ferrule and without a plastic sleeve (mm²)
0.5
Length of socket 10
F. H4/13
X33 connector. Pinout.
T. H4/14
X33 connector. Pin description.
Pin Signal Description
1
Da +
Closing/opening of relay contacts to activate/deactivate the
SOFT-START
circuit of the
DC BUS
load.
See diagram in
ANNEX A3
.
2
Db -
-KM1.1
0 V DC
-KA3
Da +
Da -
+24 V DC
-K
Auxiliary contact of
the - KM1 external
power contactor
Relay contact
managed by the
PLC O3 output
SOFT-START
X33
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