Product Summary
The 1785-L40E is a powerful PLC-5/40E controller with 48K words memory, handling up to 2048 I/O points. It offers versatile communication via Ethernet, DH+/RIO, and serial ports, with fast scan times for demanding industrial processes.
Expert Technical Evaluation & Buyer Guide
The 1785-L40E delivers 48K words of battery-backed RAM. This ensures stable program retention during power loss. Engineers can rely on its robust memory for complex control logic.
It supports 2048 total I/O (any mix or complementary). This flexibility allows seamless integration with 8, 16, or 32-point modules. Use half-slot addressing for maximum density.
The controller features 3 ms scan time at 230.4 kbps for remote racks. This high speed suits time-critical applications. It also offers a 0.5 ms scan for extended-local adapters.
Communication includes one Ethernet/IP port and two DH+/RIO ports. The serial port supports RS-232, 422, and 423. This versatility connects to HMIs, drives, and other PLCs.
Procurement managers value its compatibility with 1771 chassis and power supplies. The 1785-L40E uses standard 1771-P4S or P6S units. This reduces spare parts inventory costs.
It operates from 0 to 60°C with 5-95% humidity. The unit withstands 30G shock and 1G vibration. Certifications include CSA, CE, and UL for global use.
Logistics & Standard Packaging Details
