Allen-Bradley PLC-5-40

The Allen-Bradley PLC-5-40 is a highly durable and adaptable PLC processor that excels in communication capabilities, featuring four DH+ or Remote I/O ports along with a configurable serial port that supports multiple protocols including RS-232, RS-423, and RS-422A. Designed for real-time data exchange, this processor efficiently integrates with various I/O processors, modules, and host computers, utilizing advanced Ladder-logic and structured text programming, complemented by an extensive instruction set for both sequencing and diagnostics. With support for up to 2048 I/O and a generous user memory of 48K words, the PLC-5-40 achieves impressive I/O scan times as fast as 3ms. Its reliable operation is enhanced by battery-backed static RAM and EEPROM backup, ensuring consistent performance in demanding environments.