Allen-Bradley 1771-PS7C PLC-5 AC Power Supply Module
$123.00
$320.00
Description
Allen-Bradley 1771-PS7C PLC-5 AC Power Supply Module
Configured for regulated chassis backplane power conversion in PLC-5 and 1771 I/O chassis systems, the Allen-Bradley 1771-PS7C (1771-PS7 AC Power Supply Module) provides direct electrical execution by converting AC input power into regulated 5 VDC for processor, I/O, and communication modules.
Suffix Breakdown & Model Matrix
The 1771-PS7C is identified as a 1771 series power supply module variant. The available model data identifies the complete catalog designation as 1771-PS7C. No additional manufacturer-defined suffix matrix information is provided in the available documentation.
| Model Element | Description |
|---|---|
| 1771 | PLC-5 / 1771 I/O hardware platform |
| PS7 | AC power supply module family |
| C | Catalog suffix designation |
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1771-PS7C |
| Brand | Allen-Bradley |
| Origin | United States |
| Weight | 6.00 lbs |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | 56 W real input power; 16 W power dissipation |
| Product Type | AC Power Supply Module |
| Input Voltage | 120 VAC nominal; 97-132 VAC range |
| Additional Input Rating | 120/220 VAC, 50/60 Hz |
| Input Frequency | 47-63 Hz |
| Input Current | 1.0 A at 120 VAC |
| Output Voltage | 5 VDC regulated |
| Output Current | Up to 8 A |
| Isolation Voltage | 1000 VAC withstand for 60 s |
| Fuse | 2 A, 250 V slow-blow |
| Humidity | 5-95% non-condensing |
| Shock | 30 g peak operating; 50 g peak non-operating |
| Vibration | 2 g at 10-500 Hz |
| Enclosure Type | Open style |
| Terminal Connection | 5-position terminal block |
PLC-5 Backplane Power Distribution Characteristics
The 1771-PS7C provides regulated 5 VDC power through the 1771 backplane bus for connected PLC-5 processors, I/O modules, and communication modules. The module occupies one chassis position and includes DC output and power status indicators for local verification.
The power architecture supports parallel connection through the 1771-CT cable for increased current capacity or redundant power arrangements. The supply monitors AC input conditions and provides a shutdown signal when input voltage decreases below the specified operating threshold.
Frequently Asked Questions
Q: What is the primary output function of the Allen-Bradley 1771-PS7C?
A: The 1771-PS7C converts AC input power into regulated 5 VDC output for the 1771 chassis backplane.
Q: Can the 1771-PS7C be installed with other power supply modules?
A: The module supports parallel operation using the specified 1771-CT cable arrangement when additional current capacity or redundant supply configuration is required.
Q: What installation factor affects 1771-PS7C operating performance?
A: Chassis loading, AC input wiring, ambient temperature, and cabinet ventilation must be considered during installation.
Field Installation Guidelines
Install the 1771-PS7C in a compatible 1771 I/O chassis slot and verify the total backplane power demand before system startup. Connect AC input wiring through the terminal block using industrial electrical installation practices.
Route AC power conductors separately from low-level signal and communication wiring to minimize electrical interference. Apply standard cabinet grounding methods for cable shields and protective earth connections.
Verify correct fuse type and wiring polarity before energizing the module. For parallel supply configurations, use approved interconnection methods and confirm load sharing requirements. Maintain sufficient airflow around the open-style module installation area.
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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