Table of Contents
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ControlLogix Power Supplies
Catalog Numbers 1756-PA75/B, 1756-PB75/B
Use this publication when installing the ControlLogix™ power supplies.
For more information on:
You mount a non-redundant power supply directly on the left end of the
ControlLogix chassis, where it plugs directly into the backplane. The power supply
provides power for all modules installed in the chassis.
Installation Instructions
See page:
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Table of Contents
Related Manuals for Allen-Bradley ControlLogix 1756-PA75/B
Summary of Contents for Allen-Bradley ControlLogix 1756-PA75/B
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Page 1: Table Of Contents
Installation Instructions ControlLogix Power Supplies Catalog Numbers 1756-PA75/B, 1756-PB75/B Use this publication when installing the ControlLogix™ power supplies. For more information on: See page: Environment and Enclosure Prevent Electrostatic Discharge North American Hazardous Location Approval Preparing for Installation Installing the Power Supply Connecting Equipment Protective Earth Ground Verifying Grounding Configuration Connecting Power... - Page 2 ControlLogix Power Supplies Important User Information Solid state equipment has operational characteristics differing from those of electromechanical equipment. Safety Guidelines for the Application, Installation and Maintenance of Solid State Controls (Publication SGI-1.1 available from your local Rockwell Automation sales office or online at: http://www.ab.com/manuals/gi describes some important differences between solid state equipment and hard-wired electromechanical devices.
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Page 3: Environment And Enclosure
60529, as applicable, for explanations of the degrees of protection provided by different types of enclosure. Also, see the appropriate sections in this publication, as well as the Allen-Bradley publication 1770-4.1 ("Industrial Automation Wiring and Grounding Guidelines"), for additional installation requirements pertaining to this equipment. -
Page 4: European Hazardous Location Approval
Class I, Zone 2 environments. • This equipment shall be used within its specified ratings defined by Allen-Bradley. • Provision shall be made to prevent the rated voltage from being exceeded by transient disturbances of more than 40% when applied in Class I, Zone 2 environments. -
Page 5: North American Hazardous Location Approval
ControlLogix Power Supplies North American Hazardous Location Approval The following information applies Informations sur l’utilisation de when operating this equipment in cet équipement en hazardous locations: environnements dangereux : Products marked “CL I, DIV 2, GP A, Les produits marqués "CL I, DIV 2, B, C, D”... - Page 6 ControlLogix Power Supplies The following information applies Informations sur l’utilisation de when operating this equipment in cet équipement en hazardous locations: environnements dangereux : EXPLOSION RISQUE AVERTISSEMENT WARNING HAZARD D’EXPLOSION • Do not disconnect • Couper le courant equipment unless ou s’assurer que power has been l’environnement est...
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Page 7: Preparing For Installation
ControlLogix Power Supplies Preparing for Installation Before you attempt to install the power supply, make sure you have the following items: • 1/8” slotted screwdriver • 1/4” slotted (#2) or phillips screwdriver • torque screwdriver • needle-nose pliers • crimping tool Installing the Power Supply Do these tasks to install the power supply: 1. - Page 8 ControlLogix Power Supplies 3. Guide the extended tab on the power supply circuit board into the notch of the Series B chassis. Figure 2 Notch 43614 4. Slide the power supply in until it is flush with the back of the chassis. Figure 3 44144 5.
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Page 9: Connecting Equipment Protective Earth Ground
ControlLogix Power Supplies Connecting Equipment Protective Earth Ground Use Figure 5 to connect equipment protective earth ground from the power supply to the chassis. Tighten the nut on the equipment protective earth ground terminal stud to a torque of 12 inch-pounds (1.4Nm). Figure 5 Wiring terminal block Protective earth ground... -
Page 10: Verifying Grounding Configuration
ControlLogix Power Supplies Verifying Grounding Configuration Figure 6 shows you how to run functional and equipment protective earth ground connections from the chassis and power supply to the ground bus. Using a ground bus is recommended because it reduces the electrical resistance at the connection. Figure 6 Keep wire lengths as short as possible. -
Page 11: Connecting Power
ControlLogix Power Supplies Connecting Power If you connect or disconnect wiring while the field-side power is WARNING on, an electrical arc can occur. This could cause an explosion in hazardous location installations. Be sure that power is removed or the area is nonhazardous before proceeding. Use #14 AWG 75°C copper wire to connect power. -
Page 12: Removing The Protective Label
ControlLogix Power Supplies Removing the Protective Label Make sure the chassis is mounted and all panel fabrication is ATTENTION complete before you remove the protective label. This label protects the power supply from metal shavings falling inside the power supply and damaging it during operation. Remove the plastic label from the top of the power supply. -
Page 13: Understanding Input Power Requirements And Transformer Sizing
ControlLogix Power Supplies Understanding Input Power Requirements and Transformer Sizing Use the graphs in Figure 10 to determine the input power requirements for the supplies, given the power they are providing to the modules in the chassis. The vertical axis of each graph shows the backplane power consumed by all of the modules in the chassis;... -
Page 14: Troubleshooting The Power Supply
ControlLogix Power Supplies Troubleshooting the Power Supply ControlLogix power supplies have a green LED status indicator that remains ON during normal operation. Figure 11 LED status indicator 44148 If the indicator turns OFF during operation, follow these steps: 1. Verify that the line voltage is within the specified range. 2. -
Page 15: Specifications
ControlLogix Power Supplies Specifications Cat. No. 1756-PA75/B 1756-PB75/B Mounting Location Left side of ControlLogix chassis Chassis Compatibility Series B Input Voltage Range 85…265V ac 18…32V dc Input Voltage, Nom. 120V/220V ac 24V dc Input Frequency Range 47…63 Hz Input Power, Max. 100VA/100 W 95 W 75 W @ 60 °C... -
Page 16: Publication 1756-In596A-En-P - December
ControlLogix Power Supplies Cat. No. 1756-PA75/B 1756-PB75/B Environmental Conditions Operational Temperature IEC 60068-2-1 (Test Ad, Operating Cold), IEC 60068-2-2 (Test Bd, Operating Dry Heat), IEC 60068-2-14 (Test Nb, Operating Thermal Shock): 0 to 60°C (32 to 140°F) Storage Temperature IEC 60068-2-1 (Test Ab, Un-packaged Non-operating Cold), IEC 60068-2-2 (Test Bb, Un-packaged Non-operating Dry Heat), IEC 60068-2-14 (Test Na, Un-packaged Non-operating Thermal Shock):... - Page 17 ControlLogix Power Supplies Cat. No. 1756-PA75/B 1756-PB75/B Voltage Variation IEC 61000-4-11: IEC 61000-4-11: 30% dips for 1 period at 0° & 60% dips for 100ms on DC 180° on AC supply ports supply ports 60% dips for 5 & 50 periods on 100% dips for 50ms on DC AC supply ports supply ports...
- Page 18 ControlLogix Power Supplies Notes: Publication 1756-IN596A-EN-P - December 2004...
- Page 19 ControlLogix Power Supplies Notes: Publication 1756-IN596A-EN-P - December 2004...
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Page 20: Installation Assistance
Rockwell Automation Support Rockwell Automation provides technical information on the Web to assist you in using its products. At http://support.rockwellautomation.com, you can find technical manuals, a knowledge base of FAQs, technical and application notes, sample code and links to software service packs, and a MySupport feature that you can customize to make the best use of these tools.