Allen-Bradley
Allen-Bradley 1747-BSN SLC 500 Backup Scanner Hot Standby Module
$120.00
$165.00
Allen-Bradley SLC 500
Allen-Bradley SLC 500 is a programmable controller family for machine sequencing, discrete control and smaller process applications. Modular systems combine a 1747 processor with a 1746 chassis, power supply and application-specific I/O modules. The backplane connects the processor to digital, analog, temperature and specialty modules, while suitable scanners extend control to distributed I/O. Multiple local chassis can accommodate up to 30 I/O or communication modules. Processor variants differ in memory capacity, instruction performance and communication ports, with DH-485, DH+, serial and Ethernet connections available across the range. Programs are developed in RSLogix 500 using ladder logic and data files. Typical functions include interlocking, counting, timing, analog signal handling and machine status exchange with operator terminals or supervisory systems.
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