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ABPLC电源模块选型及参数介绍
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更新于2023-03-16
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文档主要对AB-PLC 1769系列电源模块进行介绍,主要介绍电源选型、各个性能参数。可以帮助工程师对电源模块有更深的了解。
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Technical Data
CompactLogix Power Supplies Specifications
1768 CompactLogix Power Supplies Catalog
Numbers 1768-PA3, 1768-PB3
1769 Compact I/O Power Supplies Catalog Numbers
1769-PA2, 1769-PB2, 1769-PA4, 1769-PB4
Topic Page
1768 CompactLogix Power Supplies 3
1769 Compact I/O Power Supplies 7
Environmental Specifications - 1768 and 1769 Power Supplies
Attribute 1768-PA3, 1769-PB3
1769-PA2, 1769-PB2, 1769-PA4, 1769-PB4
Temperature, operating
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…60 °C (32…140 °F)
Temperature, storage
IEC 60068-2-1 (Test Ab, Unpackaged Nonoperating Cold),
IEC 60068-2-2 (Test Bb, Unpackaged Nonoperating Dry Heat),
IEC 60068-2-14 (Test Na, Unpackaged Nonoperating Thermal Shock)
-40…85 °C (-40…185 °F)
Relative humidity
IEC 60068-2-30 (Test Db, Unpackaged Nonoperating Damp Heat)
5…95% noncondensing
Vibration
IEC 60068-2-6 (Test Fc, Operating)
5 g @ 10…500 Hz
Shock, operating
IEC 60068-2-27 (Test Ea, Unpackaged Shock)
30 g
Shock, nonoperating
IEC 60068-2-27 (Test Ea, Unpackaged Shock)
50 g
2 Publication 1769-TD008A-EN-P - January 2010
CompactLogix Power Supplies Specifications
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.rockwellautomation.com/literature/
) describes some important differences
between solid state equipment and hard-wired electromechanical devices. Because of this difference, and also because of the
wide variety of uses for solid state equipment, all persons responsible for applying this equipment must satisfy themselves that
each intended application of this equipment is acceptable.
In no event will Rockwell Automation, Inc. 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, Rockwell Automation, Inc. cannot assume responsibility or liability for
actual use based on the examples and diagrams.
No patent liability is assumed by Rockwell Automation, Inc. with respect to use of information, circuits, equipment, or software
described in this manual.
Reproduction of the contents of this manual, in whole or in part, without written permission of Rockwell Automation, Inc., is
prohibited.
Throughout this manual, when necessary, we use notes to make you aware of safety considerations.
Rockwell Automation, Rockwell Software, Allen-Bradley, TechConnect, Compact I/O, and CompactLogix are trademarks of Rockwell Automation, Inc.
Trademarks not belonging to Rockwell Automation are property of their respective companies.
WARNING
Identifies information about practices or circumstances that can cause an explosion in a hazardous environment,
which may lead to personal injury or death, property damage, or economic loss.
IMPORTANT
Identifies information that is critical for successful application and understanding of the product.
ATTENTION
Identifies information about practices or circumstances that can lead to personal injury or death, property damage,
or economic loss. Attentions help you identify a hazard, avoid a hazard, and recognize the consequence
SHOCK HAZARD
Labels may be on or inside the equipment, for example, a drive or motor, to alert people that dangerous voltage may
be present.
BURN HAZARD
Labels may be on or inside the equipment, for example, a drive or motor, to alert people that surfaces may reach
dangerous temperatures.
Publication 1769-TD008A-EN-P - January 2010 3
CompactLogix Power Supplies Specifications
1768 CompactLogix Power
Supplies
The 1768 backplane requires one 1768 power supply. The power supply is a
dual input supply that operates in multiple ranges. The power supply also
offers a 24V dc external power source. The power supply sends 24V dc to the
controller in slot 0.
• The controller converts the 24V dc to 5V dc and 24V dc and distributes
it as needed.
– 5V and 24V power to 1769 I/O modules on the right side of the
controller
– 24V power to 1768 modules on the left side of the controller
The 1768 modules do not have a distance rating to the 1768 power supply. For
the 1769 I/O modules in the 1768 system, the distance rating is from the
controller and not the 1768 power supply.
Power supply sends 24V DC to the controller.
Power Supply
Communication or
Motion
Controller 1769 I/O
Controller sends
- 5V DC to 1768 modules
- 5V and 24V DC to 1769 I/O modules
Technical Specifications - 1768 CompactLogix Power Supplies
Attribute 1768-PA3 1768-PB3
Input voltage range 85…265V AC
108…132V DC
16.8...31.2V DC
Input voltage, nom 120V/220V AC 24V DC
Input frequency range 47…63 Hz DC
Input power, max 120VA/120 W 112 W
Output power, max 90 W
24V DC to backplane: 3.5
24V DC to user-accessible terminal block: 0.25 A
Output power, min 6 W
24V DC to backplane: 0.25 A
24V DC to user-accessible terminal block: 0.0 A
Power dissipation 30 W 22 W
Inrush current, max 50 A @ 85…132V AC
80 A @ 195…265V AC
50 A @ 16.8...31.2V DC
(1)
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