Genuine Allen-Bradley 1785-L20B PLC-5 Processor | PLC-5 Series – Verified Source
Konmask.com is a dedicated industrial automation components supplier specializing in genuine Allen-Bradley / Rockwell Automation hardware. Every unit we ship undergoes a rigorous 4-step quality verification process before dispatch. When your production line depends on it, trust matters — and we deliver it.
Technical Specifications
- Manufacturer: Allen-Bradley (Rockwell Automation)
- Part Number: 1785-L20B
- Series: PLC-5
- Processor Memory: 16K words user memory
- I/O Capacity: Up to 512 digital I/O (local + remote)
- Communication Ports: DH+ (Data Highway Plus), RS-232
- Scan Time: 1 ms/K typical
- Power Supply: 1771-P4S or compatible 1771 chassis power supply
- Chassis Compatibility: 1771 I/O chassis
- Operating Temperature: 0°C to 60°C (32°F to 140°F)
- Relative Humidity: 5% to 95% non-condensing
- Weight: Approx. 1.0 kg
- Condition: New / Refurbished / Surplus (specify at order)
Our 4-Step Quality Verification Process
Every Allen-Bradley 1785-L20B unit shipped from Konmask passes through our standardized QC pipeline:
- Step 1 — Source Authentication: Units are sourced exclusively from authorized distributors, OEM surplus channels, or verified industrial decommissions. No grey-market or counterfeit supply chains.
- Step 2 — Physical Inspection: Visual check of PCB, connectors, firmware label, date codes, and housing integrity. Any cosmetic or structural anomaly triggers rejection.
- Step 3 — Functional Bench Test: Processor is powered up, firmware version confirmed, DH+ communication verified, and memory integrity checked using Allen-Bradley programming software.
- Step 4 — Documentation & Packaging: Unit is assigned a Konmask QC reference number, packed in anti-static ESD-safe packaging, and shipped with a condition report.
Key Features & Benefits
- ✅ Genuine Allen-Bradley hardware — not cloned, not counterfeit
- ✅ DH+ network ready — seamless integration into existing PLC-5 architectures
- ✅ 16K word user memory — sufficient for complex ladder logic programs
- ✅ Proven reliability — PLC-5 platform with decades of industrial deployment history
- ✅ Drop-in replacement — compatible with existing 1771 chassis without rewiring
- ✅ Fast global dispatch — most orders ship within 1–3 business days
- ✅ B2B invoicing available — VAT invoices, customs documentation, and COO certificates on request
Typical Applications
- Automotive assembly line control and sequencing
- Oil & gas process automation and SCADA integration
- Water treatment and utilities management systems
- Food & beverage packaging and conveyor control
- Pharmaceutical batch processing and compliance systems
- Legacy PLC-5 system maintenance, repair, and overhaul (MRO)
- Spare parts inventory for plant engineering departments
Compatible System Components
- Chassis: 1771-A1B, 1771-A2B, 1771-A3B, 1771-A4B
- Power Supplies: 1771-P4S, 1771-P6S, 1771-P7
- I/O Modules: Full 1771 I/O module family (digital, analog, specialty)
- Programming Software: RSLogix 5 (v8.x and above), 6200 Series
- Communication: 1784-KTX, 1784-PKTX (DH+ interface cards)
- Related Processors: 1785-L20C, 1785-L40B, 1785-L60B, 1785-L80B
Global Sourcing & Shipping Capabilities
Konmask operates as a cross-border industrial components specialist with established logistics partnerships across Asia, Europe, and the Americas.
- Dispatch Origin: China (Mainland) — Shenzhen / Xiamen hub
- Shipping Methods: DHL Express, FedEx International Priority, UPS Worldwide, sea freight (LCL/FCL for bulk orders)
- Lead Time: In-stock items ship within 1–3 business days; sourced items within 5–10 business days
- Customs Documentation: Commercial invoice, packing list, COO certificate, and HS code declaration provided as standard
- Bulk & OEM Orders: Contact us for volume pricing, blanket PO arrangements, and dedicated account management
- Export Compliance: All shipments comply with applicable export control regulations (EAR/ECCN where applicable)
Certifications & Compliance Statement
- Products sourced and handled in compliance with RoHS Directive 2011/65/EU where applicable
- ESD-safe handling and packaging per ANSI/ESD S20.20 standards
- ISO 9001-aligned internal quality management procedures
- CE marking documentation available for applicable units upon request
- All units are traceable to source documentation; counterfeit-free guarantee backed by our QC process
How to Order
- Add to Cart — Select quantity and proceed to checkout directly on this page.
- Request a Quote — For bulk orders (5+ units), email support@konmask.com with your required quantity, delivery timeline, and destination country.
- Confirm Condition — Specify whether you require New, Refurbished, or Surplus condition at time of order. We will confirm availability and condition before dispatch.
- Payment — We accept T/T bank transfer, PayPal, and major credit cards. Net-30 terms available for verified B2B accounts.
- Shipping Confirmation — You will receive a tracking number and QC reference within 24 hours of dispatch.
Authenticity & Trust FAQ
Q: How do I know the unit is genuine Allen-Bradley?
A: Every unit is sourced from verified channels and passes our 4-step QC process. We provide a Konmask QC reference number and condition report with every shipment. If you have concerns post-delivery, contact us within 7 days for inspection support.
Q: Do you offer a warranty?
A: Yes. We offer a 90-day functional warranty on all units. If a unit fails under normal operating conditions within 90 days, we will replace or refund — no questions asked.
Q: Can I return the product if it doesn’t fit my system?
A: Returns are accepted within 14 days of receipt for unused, uninstalled units in original packaging. Please contact support@konmask.com to initiate a return.
Q: Are you an authorized Allen-Bradley distributor?
A: Konmask is an independent industrial components specialist. We are not an authorized Rockwell Automation distributor. Units are sourced from surplus, decommissioned, and secondary market channels. All units are genuine OEM hardware.
Q: Can you provide a Certificate of Origin or customs invoice?
A: Yes. Full export documentation including COO, commercial invoice, and packing list is provided as standard for all international shipments.
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Original Source: https://Konmask.com
Contact: support@konmask.com | +0086 19859288691
