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Allen-Bradley PLC-5: 1771/1785 Series
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Vendor: Allen-Bradley
Allen-Bradley | 1785-KE | PLC-5 | Data Highway Plus RS-232-C
The specifications for the 1785-KE communication module: Communication Rates: Data Highway Plus: 57,600 bits per second RS-232-C Port: Switch selectable from 110 to 19200 bits/sec Functions: Interface a programmable RS-232-C compatible device with an Allen-Bradley Data...Sale price $230.00Regular price $270.00 -
Vendor: Allen-Bradley
Allen-Bradley 1771-OMD PLC-5 Digital AC (220V) Output Module
The specifications for the Allen-Bradley 1771-OMD module: Outputs per Module: 16 Module Location: 1771-A1B through -A4B or later I/O chassis 1771-AM1, -AM2 I/O chassis Output Voltage Range: 184 to 250V AC @ 47 - 63Hz Output...Sale price $230.00Regular price $270.00 -
Vendor: Allen-Bradley
Allen-Bradley 1771-IR RTD Input Module 100% Genuine New
The extracted specifications for the Allen-Bradley 1771-IR RTD input module: Module Location: 1771 I/O Chassis Sensor Type: 100 ohm platinum (alpha = 0.00385) 10 ohm copper (alpha = 0.00385) Other types may be used with appropriate...Sale price $230.00Regular price $270.00 -
Vendor: Allen-Bradley
Allen-Bradley | 1785-L40E | PLC-5/40E EtherNet/IP Controller
The technical specifications of Allen-Bradley 1785-L40E is a PLC-5 Ethernet Processor: Module Type: PLC-5/40E Ethernet Processor Processor: 48 Kilowords Max User Memory Words: 48 Kilowords Battery-Backed Static RAM: Yes EEPROM Program Backup Option: No Protected Memory:...Sale price $230.00Regular price $270.00 -
Vendor: Allen-Bradley
Allen-Bradley | 1785-L20B | PLC-5 Processor Module
The 1785-L20B PLC-5 Processor offers a standard level of processing power, memory capacity, and I/O capabilities suitable for various industrial control applications. The communication ports provide flexibility for interfacing with different networks and devices. The technical...Sale price $230.00Regular price $270.00 -
Vendor: Allen-Bradley
Allen-Bradley 1771-OFE2 Analog Output Module 100% Brand New
The specifications of Allen-Bradley 1771-OFE2 Analog Output Module: Outputs per Module: 4 Individualy Isolated Module Location: Bulletin 1771 I/O Chassis - One Slot Output Voltage Ranges (Nominal): 1771-0FE1: +1 to +5V DC, -10 to +40V DC,...Sale price $230.00Regular price $270.00
The Allen-Bradley PLC-5, once a stalwart in industrial automation, has been discontinued, though it remains prevalent in existing applications. Introduced in the 1980s, it earned trust for its reliability, modularity, and user-friendly design.
Key Points:
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The Reliable Veteran: Known for its reliability and ease of use, the PLC-5 was widely adopted across industries for tasks like machine control, process automation, and material handling.
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Workhorse of Automation: Its modular design, featuring a central processor and various I/O modules for digital and analog signals, allowed for customization based on project requirements.
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Programming Power: Utilizing relay ladder logic (RLL), the PLC-5's programming was familiar to many engineers of its time.
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Sunset and Migration: Production of new PLC-5 models has ceased, with Allen-Bradley now focusing on newer ControlLogix and CompactLogix lines. However, support for existing PLC-5 systems may still be available for maintenance and troubleshooting.