1771-P6S B Allen-Bradley Power Supply | Datasheet & Technical Manual

Availability: 20 left in stock

Allen-Bradley 1771-P6S B 1771 PLC-5 I/O System Power Supply Module The Allen-Bradley 1771-P6S B, also cataloged as the 1771-P6S Power...

SKU: 1771-P6S B

Manufacturer: Allen Bradley
Product No.: 1771-P6S B
Product Type: Power Supply Modules
Product Origin: USA
Payment:T/T, Western Union
Weight: 850g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Allen-Bradley 1771-P6S B 1771 PLC-5 I/O System Power Supply Module

The Allen-Bradley 1771-P6S B, also cataloged as the 1771-P6S Power Supply Module, operates as a dedicated hardware component for converting AC input into regulated DC backplane power within 1771 PLC-5 I/O System platforms.

Hardware Specifications

Parameter	Specification
Model	1771-P6S B
Brand	Allen-Bradley
Origin	United States
Module Type	Auxiliary Power Supply Module
Nominal Input Voltage	220 VAC
Input Voltage Range	194-264 VAC
Input Frequency	47-63 Hz
Max Real Input Power	56 W
Max Apparent Input Power	89 VA
Max Transformer Load	140 VA
Output Voltage	+5 VDC regulated
Backplane Output Current	8 A
Fuse Protection	1.5 A, 250 V, slow-blow
Cabling Requirement	1771-CT paralleling cable
Operating Temp	0 to 60 deg C
Power Consumption	56 W
Dimensions	178 x 50 x 180 mm
Weight	0.85 kg (1.88 lbs)

Profinet / EtherNet/IP Deterministic Networks and I/O Density Scaling

The 1771-P6S B delivers 8 A of regulated 5 VDC backplane output current to maintain systemic power thresholds during significant I/O density scaling. This auxiliary supply structure is critical when deploying power-intensive communication modules that interface with Profinet or EtherNet/IP deterministic networks. Proper distribution of the 5 VDC rail prevents localized voltage sags across the 1771 chassis slot channels, preserving the operational integrity and execution velocity of the backplane bus.

Frequently Asked Questions

Q: What is the purpose of the 1771-CT cable connection on the 1771-P6S B?

A: The 1771-CT cable is utilized to establish a direct connection between parallelable modules (such as -P6S, -LWP, -LZP, and -LXP) to allow dual-supply configurations within a single 1771 chassis for increased backplane current capacity.

Q: What happens if the nominal AC input voltage drops below the 194 VAC threshold?

A: The module internal monitoring circuitry detects the undervoltage condition and generates a shutdown signal to protect the processor memory integrity from corruption before the backplane voltage collapses.

Q: Is hot-swapping supported for the 1771-P6S B inside a live 1771 chassis?

A: No. The chassis backplane must be fully de-energized prior to removing or inserting the module. Disregarding this rule risks inducing electrostatic discharge damage and memory faults across the active PLC-5 processor.

Field Installation Guidelines

Chassis Compatibility Constraints: Install the 1771-P6S B module in a standard single I/O slot. For older 1771 chassis designs, review slot location restrictions to ensure mechanical alignment and proper backplane bus integration.
Paralleling Interconnection: When linking two power supplies in parallel, only use the certified 1771-CT cabling interface. Do not bridge terminal blocks using discrete external jump wires.
Fuse Replacement Parameters: Replace blown fuses exclusively with 1.5 A, 250 V slow-blow fuses matching the factory specification. Turn off all upstream AC supply power before extracting the fuse holder.
Electrostatic Discharge Minimization: Maintain standard ESD handling protocols. Keep the component within its static-shielded packaging until the immediate point of physical mounting inside the chassis.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

Mark Thompson

Maintenance Manager, USA

Reliable Source for New Spares

Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.