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Allen Bradley PLC 5 1771-PS7

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1771-PS7

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The Allen-Bradley 1771-PS7 power supply is a PLC 5 series AC voltage power supply module. It can support input voltage ranges of 97 to 132 Volts AC or 195 to 264 Volts AC for different applications and systems. The 1771-PS7 power supply module supports 50 to 60 Hertz of rated frequency for both of its input voltage ranges. This module can operate as a standalone device. The 1771-PS7 power supply module should only be mounted next to or above the chassis that it is working with to allow it and the chassis to be air-cooled.

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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for 1771-PS7

ManufacturerAllen Bradley
CategoryPLCs
Product LinePLC 5
Part Number1771-PS7
UPC612598003471
Weight6.00 lbs (2.72 kg)
Module TypePower Supply
Nom Input Voltage120 or 220 Volts AC
Input Voltage Range97-132 or 195-264 Volts AC
Max Real Input Power171 Watts
Max Apparent Input Power257 VA
Max Xformer Load427 VA
User Output Current8 Amps (at 5 V dc), 2 Amps (at +/- 15 V dc), 2.5 Amps (at 24 V dc)
Backplane Output Current16 Amperes (at 5 Volts DC)
Frequency47-63 Hertz
Fuse3 Amperes, 250 Volts, Normal-Blow
Cabling1771-PSCC Remote 5.5 ft
ParalleledN/A
LocationStand-Alone
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The Allen-Bradley 1771-PS7 is a stand-alone 120-220V AC Auxiliary Power Supply with a nominal input current/voltage of 2A at 120V AC and 1A at 220V AC.  It has a frequency range of 4763Hz and an input voltage range of 97132V AC (120V) and 195264V AC (240V). Its backplane output is rated +5V DC at 16 A. The 1771-PS7 is part of the 1771 Power Supply series and it is compatible with PLC-5 Programmable Controllers and 1771 Control Systems. Before connecting the External 1771-PS7 Auxiliary Power Supply to the backplane, mount the I/O chassis first. Set the configuration jumper to the N position, since the supply is stand-alone. It has a D-sub connector that provides power to the backplane. To avoid power supply overloading; limit the backplane power to 80W, or the user power to 65W, or limit the total system power (add backplane + user) to 100W. The 1771-PS7 Module can be attached to the I/O chassis or mounted separately. When attaching to the panel-mounted chassis, make sure the mounting plate taper pins and supply receiving holes are aligned. Push until the power supply plug is fully inserted into the chassis receptacle. The 1771-PS7 can only be mounted next to or above the chassis. This arrangement allows convection cooling FOR both devices.

Revision Part #Also known as
1771-PS7 Ser A1771-PS7/A, Series A, Rev A
1771-PS7 Ser B1771-PS7/B, Series B, Rev B
1771-PS7 Ser C1771-PS7/C, Series C, Rev C
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