11.98 Options
Siemens AG 6SE7087-6AC85-0AA0 ENGLISH
9-1
Common Rectifier Operating instructions
9 Options
9.1 A50 additional power supply PSR for optional modules
Z = K90
Spare part order no.: 6SE7090-0XX85-0KA0
The additional power supply A50 is connected to the module A23 by means of a 2-pole cable and inserted on
the left in slot 1. The module is secured on the electronics box by means of the screws of the extraction aid
(earth-reference potential connection: see Chapter 3.2.3).
CAUTION
The maximum total power that can be extracted is 19 W (taking into account the maximum
consumption of the common rectifier and common 2 A fuse for the DC 24 V power supply
on the module A23).
Output voltages and possible currents at the corresponding pins of connector X107
Designation Voltage Current Overload protection Tolerance
P5 +5 V 0 to 3.5 A Current limiting ± 2%
P15 +15 V 0 to 0. 8A (0.65A
1)
) Current limiting ± 3%
N15 -15 V 0 to 0. 33A (0.3A
1)
) Current limiting ± 3%
P24_AUX +24 V 0 to 0.2 A NTC thermistor Corresponds to the
DC 24V power supply
Table 9.1 Output voltages and possible currents of additional power supply
Input
Plug-in terminal X37 on A50 (corresponds to the output plug connector X37 on A23):
Terminal Function description
1 DC 24V power supply tolerance: 20V - 30V (fused with 2 A slow-blow on module A23)
2 Reference potential (fused with 3.2 A slow-blow on module A23)
Table 9.2 Connection of additional power supply
1) maximum load current on switch-on
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