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1785-L86B Allen-Bradley

Name: 1785-L86B Allen-Bradley
Brand: Allen Bradley
SKU: 1785-L86B
Price: 3014.98 USD
Availability: InStock

$0.00 - $3,014.98

$3,014.98

$0.00 - $3,014.98

$3,014.98

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Product Details

Description · Specifications · Product Overview

Specifications provided for reference. Verify critical details against official manufacturer documentation before installation.

Product Overview

The 1785-L86B is an Allen-Bradley PLC-5/86 standard processor module in the PLC-5 family. Installed in a single 1771 I/O chassis slot, it delivers up to 100 kilowords of user memory with protected, battery-backed static RAM and optional EEPROM backup. It supports up to 3,072 I/O points (analog or digital) and includes communication capabilities such as a serial port and a coprocessor expansion port. It is typically used for mid-range industrial control tasks including process control, batch sequencing, or managing analog/digital signals in manufacturing or infrastructure systems. (Part number 1785-L86B)

Best Suited For

Mid-sized process control systems
Analog/digital I/O-dense applications
Legacy PLC-5 system upgrades or replacements
Protected-memory applications requiring battery/EERPOM backup

User memory

100 kilowords

Maximum I/O capacity

3,072 points

Backplane current

3.3 A @ 5 V

Protected memory

Yes (battery-backed SRAM, EEPROM options)

I/O scan time per rack

10 ms @57.6 kbit/s; 7 ms @115.2 kbit/s; 3 ms @230.4 kbit/s

Technical Specifications

I/O & Electrical

Maximum total I/O

3072 (any mix) or 3072 in + 3072 out (complementary)

I/O scan time per rack

10 ms @57.6 kbit/s; 7 ms @115.2 kbit/s; 3 ms @230.4 kbit/s

Backplane current load

3.3 A (at 5 V)

Communication & Power

User memory

100 kilowords

Battery-backed static RAM

Yes

EEPROM program backup option

Yes (via 1785-ME16, ME32, ME64, M100)

Control coprocessor expansion port

Yes

Serial port (RS-232/422/423)

1 port

Physical & Environmental

Module weight

1 lbs (0.45 kg)

Certifications

UL Listed (Series E)DNV-GL certified

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USA Stock

Sourced and shipped from Texas, USA. Never anonymous overseas marketplace stock.

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Rockwell Automation documentation

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Must Read: Disclaimer

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