PLC Allen-Bradley 1785-L60B 64K Words DH+ RIO

Product Overview

The 1785-L60B is a PLC-5 programmable logic controller by Allen-Bradley. It offers 64K Words of battery-backed user memory. This processor includes four DH+/Remote I/O ports. It also provides one configurable serial port. Two programming terminals support DF1, ASCII, DH+, and RIO protocols. The controller handles up to 3072 I/O points. It works with 24 I/O racks and 93 chassis. This unit operates from 0°C to 60°C. It resists 30G shock and 2G vibration. The open-style enclosure weighs 1.42 kg.

Application Scenarios

This PLC-5 controller fits medium to large industrial systems. It controls manufacturing lines and material handling. It manages oil, gas, and water treatment processes. It integrates with Allen-Bradley devices via DH+ networking. The remote I/O feature extends control over long distances. This processor supports distributed control architectures. It works in harsh environments with reliable performance.

Technical Specifications

• Model: 1785-L60B
• Memory: 64K Words (battery-backed static RAM)
• Communication: 4 DH+/RIO ports, 1 serial port (RS-232/423/422A)
• Maximum I/O: 3072 any mix or 3072 inputs + 3072 outputs
• I/O racks: up to 24
• Chassis: up to 93 total, 92 remote
• Scan time: 10 ms at 57.6 kbps, 7 ms at 115.2 kbps, 3 ms at 230.4 kbps
• Protocols: DF1, ASCII, DH+, RIO
• Temperature: 0°C to 60°C
• Humidity: 5% to 95% non-condensing
• Shock: 30G operational
• Vibration: 2G at 10-500 Hz
• Weight: 1.42 kg

Installation & Maintenance Guide

Install the processor in a suitable enclosure. Secure it on a DIN rail or panel. Connect the power supply correctly. Use the 1770-XYC battery for backup. Replace the battery when the BATT LED lights. Back up the user program regularly. Use the serial port for initial setup. Use the DH+ ports for networking. Ensure proper grounding and shielding. Avoid condensation and temperature extremes. Check status LEDs for diagnostics. This processor supports hot swapping of memory modules. Always follow the official manual.

Packing List

• 1x 1785-L60B processor
• 1x battery (1770-XYC) (if included)
• Documentation (if available)

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