Power supplies
POWER SUPPLIES
Non-regenerative power supplies
2.
47
DDS
HARDWARE
Ref.1310
The internal circuits of the non-regenerative power supplies PS-65A re-
quire an external 24 V DC supply. This is why its connector X2 has three
more pins than for the PS-25B4 power supply that integrates an auxiliary
power supply.
The internal circuits are protected with a 1.25 A fuse.
The following table shows the values for gap, tightening torque, sections
and other data of the plug-in connector for X2.
The next table shows the signals and other considerations related to each
pin of connector X2:
T. H2/10 Characteristics of the pins of connector X2.
Connector data PS-25B4 PS-65A
Nr of poles 7 10
Gap (mm) 5.08 5.08
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
T. H2/11 Description of the pins of connector X2.
1 Error RESET
System error RESET input
(24 V DC ; 4.5-7 mA).
2 Not connected N. C.
3 GND
0 volts reference for digital inputs.
Error RESET (1) and
System Speed Enable (5).
4 Not connected N. C.
5 System Speed Enable
General system speed enable.
(24 V DC ; 4.5-7 mA).
6 System OK
Contact indicating module status.
It opens in case of failure.
Limit 1 A at 24 V.
7 System OK
8 Chassis
Chassis connection
(only on PS-65A power supplies)
9 0 V DC
Voltage supply of the control circuits (only
on PS-65A power supplies) between 21 V
DC and 28 V DC. Max. consumption 1 A.
10 + 24 V DC
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