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To the Installer
Important User Information
AC (120/220V) 16A
Power Supply
(Cat. No. 1771-P7 Series D)
This document provides you with the following information:
For this information
important user information
preparing to install the power supply
installing the power supply
connecting ac power to the power supply
troubleshooting
power ratings
mounting dimensions
UL/CSA hazardous location approval
specifications
Because of the variety of uses for the products described in this
publication, those responsible for the application and use of this
equipment must satisfy themselves that all necessary steps have been
taken to assure that each application and use meets all performance
and safety requirements, including any applicable laws, regulations,
codes and standards.
In no event will the Allen-Bradley Company be responsible or liable
for indirect or consequential damages resulting from the use or
application of this equipment.
The examples and diagrams in this manual are included solely for
illustrative purposes. Because of the many variables and
requirements associated with any particular installation, the
Allen-Bradley Company cannot assume responsibility or liability for
actual use based on the examples and diagrams.
Allen-Bradley publication SGI-1.1, "Safety Guidelines for the
Application, Installation and Maintenance of Solid State Controls"
describes some important differences between solid state equipment
and hard–wired electromechanical devices that should be taken into
consideration when applying products such as those described in this
publication.
Reproduction of the contents of this manual, in whole or in part,
without written permission of the Allen-Bradley Company is
prohibited.
Installation Instructions
See page
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Publication 1771 IN056B EN-P - December 2001
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Table of Contents
Related Manuals for Allen-Bradley 1771-p7
Summary of Contents for Allen-Bradley 1771-p7
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Page 1: Installation Instructions
In no event will the Allen-Bradley Company be responsible or liable for indirect or consequential damages resulting from the use or application of this equipment. - Page 2 AC (120/220V) 16A Power Supply Throughout this document we use notes to make you aware of safety considerations. Identifies information about practices or WARNING circumstances that can cause an explosion in a hazardous environment, which may lead to personal injury or death, property damage, or economic loss.
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Page 3: Prepare For Installation
Prepare for Installation The 1771-P7 power supply can power one 1771-A1B, -A2B, -A3B, -A3B1, or -A4B I/O chassis when used with any adapter module or programmable controller (Mini-PLC-2/02 , Mini-PLC-2/05 , Mini-PLC-2/16 , Mini-PLC-2/17 , or PLC-5 family processor) that does not have an internal power supply. - Page 4 AC (120/220V) 16A Power Supply The 1771-P7 is a stand-alone power supply. Do ATTENTION not connect it in parallel with any other power supply. Connecting it in parallel could result in processor memory loss or injury due to unexpected machine operation.
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Page 5: Install The 1771 P7 And Connect Backplane Power
See the Universal I/O Chassis Installation Data (1771-2.210) for information on mounting the I/O chassis. set the power supply configuration jumper on the I/O chassis. The 1771-P7 is an external power supply. Set the configuration jumper to the N position. Using... - Page 6 Attaching to a Panel mounted I/O Chassis 1. Attach the mounting screws to the side of the I/O chassis: Use the mounting screws provided with the ATTENTION 1771-P7. Longer screws may intrude into the I/O chassis and interfere with module insertion. lockwasher...
- Page 7 AC (120/220V) 16A Power Supply 3. Slide the power supply onto the left side of the chassis: Place keyhole slot over large screw on I/O chassis. 1771 P7 Slide power supply down. left side I/O chassis Make sure mounting brackets are behind the small screws.
- Page 8 AC (120/220V) 16A Power Supply 5. Attach the other end of the power cable to the D-shell connector on the bottom of the power supply and tighten the connector screws. If you connect or disconnect the power supply WARNING cable with power applied an electrical arc can occur.
- Page 9 AC (120/220V) 16A Power Supply Mounting the Power Supply Separately When mounted separately, the power supply may be mounted above or next to the I/O chassis. It may not be mounted below, since it is necessary to allow convection cooling of both the power supply and the I/O chassis.
- Page 10 AC (120/220V) 16A Power Supply If you connect or disconnect the power supply WARNING cable with power applied an electrical arc can occur. This could cause an explosion in hazardous location installations. Be sure power is removed or the area is nonhazardous before proceeding. 3.
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Page 11: Connect Ac Power Source To The Power Supply
AC (120/220V) 16A Power Supply Connect ac Power Source The power supply operates on nominal 120V ac or 220V ac to the Power Supply input source. 1. Make sure the power switch is set to 0 (off). 2. Use a 1/8” slotted screwdriver to set the input-voltage selector switch. -
Page 12: Troubleshooting
Active Important: If a shutdown condition occurs, wait 15 seconds before attempting to apply power. For additional assistance, contact your local Allen-Bradley 12627 I representative. Power Ratings Use these graphs to determine your: cooling requirements power cost... -
Page 13: Mounting Dimensions
AC (120/220V) 16A Power Supply Mounting Dimensions 114mm (4.49") 46mm 1.83" 315mm (12.40") 293mm (11.53") Depth is 159mm (6.25") 12628 I Publication 1771 IN056B EN-P - December 2001... - Page 14 La substitution de composants peut rendre cet équipement inadapté à une utilisation en environnement de Classe 1, Division 2. S'assurer que l'environnement est classé non dangereux avant de changer les piles. PLC-2/02, PLC-2/05, PLC-2/16, and PLC-2/17 are trademarks of Allen-Bradley Company, Inc. Publication 1771 IN056B EN-P - December 2001...
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Page 15: Specifications
AC (120/220V) 16A Power Supply Specifications Supply Voltage Range 120V ac: 97 132V ac 50/60Hz 2.0A 220V ac: 195 264V ac 50/60Hz 1.3A Input Power (Real/Apparent) 108 Watts/176VA maximum (see charts) External Transformer 270VA at full load Isolation Voltage Tested to 1200V ac for 1s Output Voltage 5.06V dc 3.8% Output Current... - Page 16 AC (120/220V) 16A Power Supply Cables 1771 CP1 0.32m (1.04ft) connects panel mounted I/O chassis to chassis-mounted 1771 P7 1771 CP2 1.52m (5ft) connects rack mounted I/O chassis to remote 1771 P7 1771 CP3 1.68m (5.5ft) connects panel mounted I/O chassis to remote 1771 P7 Agency Certification UL Listed Industrial Control Equipment...