Product details
Allen-Bradley 1785-L26B PLC-5 Standard Processor
The Allen-Bradley 1785-L26B from Rockwell Automation is a versatile and robust PLC-5 series processor. It delivers reliable performance for complex industrial automation control tasks. This standard processor combines substantial memory with a high I/O capacity.
Key Product Specifications & Features
- Brand & Manufacturer: Allen-Bradley by Rockwell Automation
- Full Model Number: 1785-L26B (Enhanced PLC-5-26B)
- Processor Type: Standard PLC-5/26 Controller
- User Memory: 16 Kilowords of Battery-Backed Static RAM
- EEPROM Backup: Supported via 1785-ME16, -ME32, -ME64, -M100 Modules
- Max I/O Capacity: 512 points in any combination or 512 Inputs + 512 Outputs
- Max Analog I/O: 512 points
- I/O Scan Time: As fast as 3 ms per rack at 230.4 kbits/s
- Isolation Rating: 500V for 1 min (ports), 1000V for 1 min (relay cartridge)
Durability & Operating Conditions
- Operating Temp Range: 0 to 60 °C (32 to 140 °F)
- Humidity Range: 5% to 95% (non-condensing)
- Vibration Immunity: 1G from 10 to 500 Hz
- Shock Resistance: 30G operational rating
- Enclosure Style: Open-style for chassis mounting
- Product Weight: 1.42 kilograms (approximately 3 pounds)
Communication & Network Ports
- Data Highway Plus (DH+): One port for DH+ network integration
- Remote I/O Scanner (Ch 1B): One port for Remote I/O connections
- Serial Port: One 25-pin D-shell port (RS-232/422/423 compatible)
- Expansion Port: Control Coprocessor port available for system growth
System Compatibility & Addressing
- I/O Chassis: Compatible with 1771-A1B, A2B, A3B, A4B chassis
- I/O Modules: Works with 1771, 1794, 1746, and 1791 module families
- Addressing Modes: Supports 2-slot, 1-slot, and half-slot addressing
- Max Chassis Count: Supports up to 13 I/O chassis in a system
- Relay Cartridge: Compatible with the 1785-RC interface module
Installation Guide & Packaging Info
- Chassis Slot: Install in the left-most slot of the 1771 rack
- Power Draw: 2.6 Amps at 5V DC from the backplane
- Package Contents: One 1785-L26B Processor Unit
- Shipping Methods: Global delivery via FedEx, UPS, or DHL
Frequently Asked Questions (FAQ)
- What is the memory size of the 1785-L26B processor?It features 16K words of battery-backed SRAM memory.
- How many analog points can this controller handle?It supports a maximum of 512 analog input and output points.
- What is the operating temperature range?It is designed to operate from 0 to 60 degrees Celsius.
Copyright © 2025 Powergear X Automation Limited. All rights reserved.
Original Source: https://www.powergearx.com/
Technical Support & Inquiries:
Email: sales@powergearx.com
There are no reviews yet.