Genuine Allen-Bradley 1785-V40B PLC-5/40V Programmable Controller | PLC-5 Series – Verified Source
The Allen-Bradley 1785-V40B is a high-performance programmable controller from Rockwell Automation’s legendary PLC-5 series, engineered for demanding industrial automation environments. At Konmask.com, every unit is sourced through verified supply channels and undergoes our rigorous 4-step quality verification process before shipment — giving B2B buyers the confidence they need when specifying critical control system components.
Technical Specifications
- Part Number: 1785-V40B
- Catalog Number: AB1785-V40B
- Series: PLC-5 / PLC-5/40V
- Manufacturer: Allen-Bradley / Rockwell Automation
- Module Type: Programmable Controller (CPU)
- I/O Capacity: Up to 3,072 discrete I/O points
- Memory: 40K words user memory
- Communication Ports: DH+, RS-232C
- Backplane Compatibility: 1771 I/O chassis
- Power Supply: Requires external 1771-series power supply
- Operating Temperature: 0°C to 60°C (32°F to 140°F)
- Weight: Approx. 300 g
- Country of Origin: United States
Our 4-Step Quality Verification Process
Every Allen-Bradley 1785-V40B shipped from Konmask.com passes through our documented verification workflow:
- Step 1 – Source Authentication: Units are procured exclusively from authorized distributors, OEM surplus channels, or factory-certified refurbishers. No grey-market or counterfeit sources.
- Step 2 – Physical Inspection: Label integrity, catalog number verification, firmware revision check, and housing condition assessment performed by trained technicians.
- Step 3 – Functional Bench Test: Power-on test, communication port verification, and memory integrity check conducted prior to packaging.
- Step 4 – Documentation & Traceability: Each unit ships with a quality inspection record, lot traceability reference, and packing manifest.
Key Features & Benefits
- ✅ Genuine Allen-Bradley hardware — not a clone or third-party equivalent
- ✅ PLC-5/40V platform — proven reliability in continuous process and discrete manufacturing
- ✅ DH+ network ready — seamless integration into existing Allen-Bradley DH+ architectures
- ✅ Large user memory (40K words) — supports complex ladder logic and structured programs
- ✅ 1771 I/O chassis compatible — drop-in replacement for existing PLC-5/40V installations
- ✅ Verified traceability — full documentation chain from source to delivery
Typical Applications
- Automotive assembly line control
- Oil & gas process automation
- Water and wastewater treatment systems
- Food and beverage production lines
- Pharmaceutical batch processing
- Power generation and distribution control
- Legacy PLC-5 system maintenance and spare parts management
Compatible System Components
- I/O Chassis: 1771-A1B, 1771-A2B, 1771-A3B, 1771-A4B
- Power Supplies: 1771-P4S, 1771-P6S, 1771-P7
- Communication Modules: 1785-KA, 1785-KA5, 1785-L40B
- Programming Software: RSLogix 5 (v8.x and above), 6200 Series
- HMI: PanelView 550, 900, 1000 series via DH+ or RS-232
Global Sourcing & Shipping Capabilities
Konmask.com operates as a global industrial automation parts supplier headquartered in China, with established logistics partnerships covering:
- Asia-Pacific: China, Japan, South Korea, Southeast Asia — 3–7 business days
- North America: USA, Canada, Mexico — 5–10 business days via DHL/FedEx
- Europe: EU member states, UK — 5–10 business days
- Middle East & Africa: Available on request
All international shipments include commercial invoice, packing list, and HS code documentation (HS: 8537.10) to facilitate smooth customs clearance.
Certifications & Compliance Statement
- Allen-Bradley 1785-V40B is CE marked and UL listed under Rockwell Automation’s original certification
- RoHS compliance status: Pre-RoHS era product — consult your regional compliance officer for end-use requirements
- Konmask.com does not alter, re-label, or modify any hardware — all units are sold as-sourced with original manufacturer markings intact
- Export compliance: Buyers are responsible for verifying import/export regulations applicable in their jurisdiction
How to Order
- Confirm part number: Verify 1785-V40B matches your existing system’s catalog number and firmware revision requirements.
- Request a quote: For orders of 2+ units or urgent requirements, email [email protected] for volume pricing.
- Place your order: Add to cart and complete checkout. We accept T/T bank transfer, PayPal, and major credit cards.
- Receive tracking: Shipment confirmation and tracking number issued within 1–2 business days of payment clearance.
- Inspect on arrival: Verify physical condition and documentation upon receipt. Contact us within 7 days for any discrepancy claims.
Authenticity & Trust FAQ
Q: How do I know this is a genuine Allen-Bradley module?
A: Every unit passes our 4-step verification process. We provide a quality inspection record with each shipment. If you have concerns post-delivery, contact us with photos and we will investigate immediately.
Q: Is this a new or refurbished unit?
A: Stock condition varies. Please contact us at [email protected] to confirm current stock condition (new surplus, tested refurbished, or used) before ordering.
Q: Can I return the product if it doesn’t work?
A: Yes. We offer a 30-day return policy for units that fail functional testing upon receipt, provided the unit has not been modified or damaged in transit.
Q: Do you provide a warranty?
A: We provide a 90-day functional warranty on all verified units. Extended warranty options are available for bulk orders — inquire via email.
Q: Can you source other PLC-5 series modules?
A: Yes. Konmask.com maintains an extensive network for Allen-Bradley PLC-5, SLC 500, ControlLogix, and CompactLogix components. Contact us with your full BOM for a comprehensive quote.
© 2026 Konmask.com. All rights reserved.
Original Source: https://Konmask.com
Contact: [email protected] | +0086 19859288691


