Allen-Bradley - 1785-L40B Controller Module
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Vendor:
Allen-Bradley
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Type:
Controller Module
- Tags Controller module
About the Product
Allen-Bradley 1785-L40B PLC-5/40 Controller
High-Performance Control
• 48K words user memory capacity
• Handles up to 2048 I/O points (any combination)
• Supports 2048 inputs + 2048 outputs (complementary)
• Ideal for medium to large automation applications
Technical Specifications
• Backplane current: 3.3A @ 5V DC
• Power dissipation: 17.3W
• Operating temp: 0°C to 60°C (32°F to 140°F)
• Storage temp: -40°C to 85°C (-40°F to 185°F)
• I/O scan times: 3ms @ 230.4kbps to 10ms @ 57.6kbps
Weight:1.36kg
Advanced Communication
• 4 DH+/Remote I/O ports (adapter or scanner)
• 1 configurable serial port (RS-232/422/423)
• Supports up to 4 independent DH+/RIO networks
• Control coprocessor expansion capability
System Architecture
• Supports 61 total I/O chassis
• 32 universal remote I/O chassis max per link
• Compatible with 1771-AxB series chassis
• Works with 1771-PxS power supplies
Memory & Backup
• Battery-backed SRAM (1770-XYC battery)
• Optional EEPROM backup modules:
- 1785-ME16 (16K words)
- 1785-ME32 (32K words)
- 1785-ME64 (64K words)
- 1785-ME100 (100K words)
Industrial Reliability
• Rugged design for harsh environments
• Tested to industrial standards
• Suitable for wide temperature ranges
• Trusted PLC-5 platform
Ordering Information
• In stock - ready for immediate shipment
• Global shipping options available
• Includes 12-month manufacturer warranty
Quick Quotes & Info
- Quick Quotes: Receive pricing and availability fast from our dedicated customer service team.
- Delivery: Expedited, freight, and international shipping available worldwide.
- Warranty: NexAuto offers a 12-month warranty on all parts purchased from us, in addition to any manufacturer coverage.
- Returns: 30-day return policy for defective or mismatched parts, ensuring peace of mind.
- Payment: Flexible options including major credit cards, PayPal, and bank transfers.
- Custom Calibration: Provide your specifications, and we’ll handle the rest with precision.

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