1785-L11B Allen-Bradley PLC-5/11 Standard Processor

Allen-Bradley 1785-L11B PLC-5/11 Standard Processor

Technical Specifications (1785-L11B)

• Manufacturer: Allen-Bradley
• Part Number: 1785-L11B
• Module Type: Standard Processor, PLC-5/11 Series
• Max User Memory Words: 8 Kilowords
• Memory Type: Battery-Backed Static RAM; Optional EEPROM backup
• Total I/O Capacity: 512 any mix (or 384 in + 384 out complementary)
• Max Analog I/O: 512 points
• Max I/O Chassis: 5 total (0 extended local, 4 universal remote)
• Backplane Current Load: 2.3 A at 5 V DC
• Power Dissipation: 12 Watts (normal operation)
• RS-232-C / DH+ Ports: One RS-232-C (Channel 0) and one configurable DH+/RIO (Channel 1A)
• Control Coprocessor Expansion Port: Yes

Frequently Asked Questions (FAQ)

• Q: Is the 1785-L11B a new original unit?
  A: Yes, we supply only brand new, original Allen-Bradley products. No refurbished or counterfeit items.
• Q: Can I use this processor with 512 analog I/O points?
  A: Yes, the 1785-L11B supports up to 512 analog I/O in any mix, as long as total chassis count remains within 5.
• Q: What happens if the onboard battery fails?
  A: A red BATT LED lights up. Replace the battery quickly to avoid losing the user program. The EEPROM option provides extra security.
• Q: Does the processor support remote I/O adapter mode?
  A: Yes, configure Channel 1A as remote I/O adapter. Then the controller monitors local I/O while a supervisory controller handles the remote link.
• Q: What is your return policy?
  A: We accept returns within 30 days of delivery. Products must remain in original condition with all seals intact.
• Q: How long does delivery take?
  A: We dispatch orders within 5 working days. Express couriers (FedEx, UPS, DHL) then deliver in 2–7 days worldwide.

For inquiries or to place an order, please contact us:
Email: sales@nex-auto.com
WhatsApp: +86 153 9242 9628
Partner: NexAuto Technology Limited