Genuine Allen-Bradley 1785-L20E PLC-5/20 Ethernet Processor | PLC-5 Series — Verified Source
The Allen-Bradley 1785-L20E is a high-performance Ethernet-enabled processor from Rockwell Automation’s legacy PLC-5 platform, widely deployed in continuous process, batch, and discrete manufacturing environments. Konmask.com sources this unit through verified industrial distribution channels, ensuring every shipment meets original factory specifications.
Technical Specifications
- Manufacturer: Allen-Bradley / Rockwell Automation
- Part Number: 1785-L20E
- Series: PLC-5/20 Ethernet Processor
- Memory: 16K words user memory
- I/O Capacity: Up to 512 digital I/O (local + remote)
- Communication Ports: Built-in 10/100 Mbps Ethernet (10Base-T/100Base-TX), DH+ port, RS-232 programming port
- Backplane: Compatible with 1771 I/O chassis
- Scan Time: 1 ms/K typical
- Operating Temperature: 0°C to 60°C (32°F to 140°F)
- Power Supply: Supplied via 1771 chassis power supply
- Weight: Approx. 1,400 g
- Firmware: Series D / Rev. compatible (confirm revision at order)
Our 4-Step Quality Verification Process
Every 1785-L20E unit shipped from Konmask.com passes through a documented 4-step inspection protocol before dispatch:
- Step 1 — Source Verification: Unit provenance is traced to authorized distributors or OEM-certified channels. No grey-market or counterfeit sources are accepted.
- Step 2 — Visual & Physical Inspection: Housing, label integrity, connector pins, and firmware revision stickers are inspected against factory reference standards.
- Step 3 — Functional Bench Test: Where applicable, units are powered up and communication ports are verified for correct response.
- Step 4 — Packaging & Documentation: Units are packed in anti-static ESD bags with inspection records enclosed. A certificate of inspection is available upon request.
Key Features & Benefits
- Native Ethernet/IP connectivity eliminates the need for additional communication modules in networked architectures
- Backward-compatible with existing 1771 I/O infrastructure — protect legacy investments without full system replacement
- Dual-port DH+ enables peer-to-peer messaging across PLC-5 networks
- Proven reliability in 24/7 continuous process environments (oil & gas, water treatment, power generation)
- RSLogix 5 programming environment support for rapid commissioning and troubleshooting
- Compact form factor fits standard 1771 chassis without additional hardware
Typical Applications
- Continuous process control (chemical, petrochemical, refining)
- Batch manufacturing and recipe management systems
- Water and wastewater treatment plant automation
- Power generation and distribution control
- Legacy system maintenance, repair, and operational (MRO) supply
- System integrator retrofit and upgrade projects
Compatible System Components
- Chassis: 1771-A1B, 1771-A2B, 1771-A3B, 1771-A4B series
- Power Supplies: 1771-P4, 1771-P6, 1771-P7 series
- I/O Modules: Full 1771 I/O module family (digital, analog, specialty)
- Programming Software: RSLogix 5 (v8.x and above recommended)
- Communication: 1784-PCMK, 1784-U2DHP for DH+ programming interface
- HMI: PanelView series via DH+ or Ethernet
Global Sourcing & Shipping Capabilities
- Stock Location: Mainland China warehouse with bonded export capability
- Lead Time: In-stock units ship within 1–3 business days; sourced units 5–15 business days
- Shipping Methods: DHL Express, FedEx International Priority, UPS Worldwide, sea freight for bulk orders
- Export Documentation: Commercial invoice, packing list, certificate of origin available; HS Code 8537.10 applicable
- Minimum Order: 1 unit (volume pricing available for 5+ units — contact us)
- Regions Served: Asia-Pacific, Middle East, Europe, North America, South America, Africa
Certifications & Compliance Statement
- Original Allen-Bradley / Rockwell Automation manufactured product
- CE marking compliance per original OEM certification
- UL Listed (original factory certification)
- RoHS compliance status: legacy product — confirm with your compliance team for specific project requirements
- All units sold by Konmask.com are represented as genuine OEM parts; we do not sell remanufactured, refurbished-as-new, or counterfeit goods
How to Order
- Confirm Part Number: Verify 1785-L20E matches your system’s existing processor slot and firmware revision requirements.
- Select Quantity: Add to cart for standard single-unit orders, or contact us directly for volume pricing on 5+ units.
- Provide Application Details (Optional): Share your system configuration for pre-sales compatibility confirmation — no obligation.
- Payment & Checkout: Secure checkout via major credit cards, T/T bank transfer, or PayPal for B2B orders.
- Receive & Verify: Inspect unit upon arrival using enclosed inspection record. Contact us within 7 days for any discrepancy.
Authenticity & Trust FAQ
Q: How do I know this is a genuine Allen-Bradley unit?
A: Every unit passes our 4-step verification process. We provide source documentation and inspection records upon request. We do not source from unverified secondary markets.
Q: Can you provide a datasheet or technical drawing?
A: Yes. Contact support@konmask.com with your part number and we will supply the official Rockwell Automation publication 1785-UM012.
Q: What is your return policy?
A: We offer a 30-day return window for units in original, uninstalled condition. Functional DOA claims are handled within 7 business days of receipt.
Q: Do you offer warranty?
A: Yes — 90-day seller warranty covering manufacturing defects and DOA. Extended warranty options available for volume orders.
Q: Can you source other PLC-5 series modules?
A: Yes. Konmask.com maintains sourcing relationships for the full 1785 and 1771 product families. Submit an RFQ via support@konmask.com.
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Original Source: https://Konmask.com
Contact: support@konmask.com | +0086 19859288691
