Specifications
AS-Interface
Power Supply Units
AS-Interface power supplies, IP20
2/53
Siemens LV 1 · 2007
2
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Overview
AS-Interface power supplies are an essential and functionally
important part of an AS-Interface network. They supply the elec-
tronics of the network (AS-Interface modules and AS-Interface
masters) and the connected sensor technology. Furthermore,
the integrated data decoupling of AS-Interface power supplies
ensures the separation of data and energy, thus enabling
AS-Interface to transmit data and power on a single cable.
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Benefits
• Compact dimensions save space in control cabinets or in the
field
• Higher output rating enables connection of even more
AS-Interface nodes
• Integrated ground-fault and overload detection ensure that
applications are more reliable and save the need for additional
components
• Diagnostics memory, remote indication and remote reset allow
fast detection of faults in the system, thus reducing downtimes
• Fast and stable installation of devices thanks to spring-loaded
connections
• Removable terminal blocks allow fast component replace-
ment, thus reducing downtimes
• The ultra-wide input range of the 8 A version permits single-
phase and 2-phase operation - so no need for connection of a
neutral conductor
• UL/CSA approval means the power supply units can be used
worldwide
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Application
AS-Interface power supplies are always used in conjunction with
AS-Interface networks.
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Selection and ordering data
Conversion table for previous devices:
See section More Information.
Version DT Order No. Price
per PU
PU
(UNIT,
SET, M)
PS* PG Weight
per PU
approx.
kg
3RX9 501–0BA00
3RX9 502–0BA00
3RX9 503–0BA00
AS-Interface power supplies, IP20
• Single output IP20
• With integrated ground-fault detection
Output current Input voltage
3 A 115 / 230 V AC
(selectable)
} 3RX9 501–0BA00 1 1 unit 121 2.378
3 A 24 V DC } 3RX9 501–1BA00 1 1 unit 121 2.378
5 A 115 / 230 V AC
(selectable)
} 3RX9 502–0BA00 1 1 unit 121 2.378
8 A 115 / 230 ... 500 V AC
(selectable)
} 3RX9 503–0BA00 1 1 unit 121 2.378
* You can order this quantity or a multiple thereof.
© Siemens AG 2007