The Allen-Bradley 1747-L20C SLC 500 Fixed Controller Processor includes embedded I/O channels, and high-speed counter capability for industrial counting applications, allowing the controller a wider usage in manufacturing industries. An integrated fuse provides line protection, and the instructions are backed up by a capacitor. EEPROM or UVPROM may be used as backup options. When used in a receiving (slave) capacity, a DH-485 communication port provides communication and displays the controller's status via LED indicators.
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