Allen-Bradley 1756-PA75/B ControlLogix AC Power Supply Module
$123.00
$320.00
Description
Allen-Bradley 1756-PA75/B ControlLogix AC Power Supply Module
The Allen-Bradley 1756-PA75/B, also cataloged as the 1756-PA75 ControlLogix AC Power Supply Module, operates as a dedicated hardware component for AC-to-DC power conversion within ControlLogix chassis platforms. It converts 85-265 VAC input into regulated DC backplane power for controllers, communication modules, and I/O modules.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1756-PA75/B |
| Brand | Allen-Bradley |
| Origin | United States |
| Product Type | ControlLogix AC Power Supply Module |
| Series | Bulletin 1756 ControlLogix |
| Input Voltage | 120/240 VAC nominal, 85-265 VAC range |
| Input Frequency | 47-63 Hz |
| Input Current Rating | 100 VA |
| Input Power Rating | 100 W |
| Output Voltage | 5.1 VDC, 3.3 VDC, 1.2 VDC, 24 VDC |
| Output Current Capacity | 13.0 A at 5.1 VDC; 4.0 A at 3.3 VDC; 1.5 A at 1.2 VDC; 2.8 A at 24 VDC |
| Maximum Output Power | 75 W |
| Maximum Output Inrush Current | 30 A |
| Isolation Voltage | 250 V continuous |
| Enclosure Type | Open-style |
| Weight | 2.13 lbs |
| Dimensions | 140 x 78 x 145 mm |
| Operating Temp | 0-60 deg C |
| Power Consumption | 100 W input power rating |
EtherNet/IP and ControlLogix Backplane Power Characteristics
The 1756-PA75/B provides regulated DC power through the ControlLogix backplane interface. The module supports ControlLogix I/O density scaling by supplying multiple chassis voltage rails required by controller, communication, and I/O modules. The power architecture includes voltage failure indication for system shutdown handling and supports chassis load calculations based on installed module requirements.
Firmware Flash Compatibility and ControlLogix Platform Integration
The 1756-PA75/B functions as a dedicated power conversion module and does not execute controller application firmware. Compatibility is determined by the ControlLogix chassis design, module installation requirements, and backplane power demand. The module operates with ControlLogix systems using the standard backplane bus communication structure.
Frequently Asked Questions
Q: What voltage outputs are available from the 1756-PA75/B power supply module?
A: The module provides 5.1 VDC, 3.3 VDC, 1.2 VDC, and 24 VDC outputs for ControlLogix chassis module power requirements.
Q: What is the maximum output power rating of the 1756-PA75/B?
A: The module provides a maximum output power rating of 75 W.
Q: Does the 1756-PA75/B provide EtherNet/IP communication functions?
A: No. The module provides chassis power conversion only. EtherNet/IP communication functions are handled by separate ControlLogix communication modules.
Field Installation Guidelines
Install the 1756-PA75/B in the designated ControlLogix chassis power supply position and verify chassis power requirements before energizing the system. Connect AC input wiring according to the specified voltage range and maintain protective grounding practices.
Keep AC supply wiring separated from analog signal cables and communication network wiring to reduce electromagnetic interference. Verify that the open-style enclosure installation provides suitable cabinet protection and environmental control. Confirm backplane connections are fully engaged before applying power.
Features
Minimum Order Quantity (MOQ)
We welcome bulk orders and have a minimum order quantity of just one unit.
Certificates and Documentation
Upon request, we can provide all necessary documentation, including Certificates of Origin/Conformance and other required export documents.
Delivery Time
For items in stock, we aim to deliver within 1-3 days after payment confirmation. Items with specified lead times will be delivered according to the quoted schedule.
Payment Methods
We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% due before shipment. For RMB transfers, please contact us if you have an agent in China.
Warranty
We offer a standard one-year warranty on all new and original items. If you require an extended warranty, please contact us for additional cost details.
Refund and Return Policy
Your satisfaction is important to us. If you need to return an item, it must be done within 30 days of the order date. The product must be unused, unopened, and in its original packaging with all accessories included. Refunds are processed within 5-7 business days after we receive the returned item. Please note that shipping and related charges are non-refundable.
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