The Allen-Bradley 1747-L20C is a robust fixed style controller from the SLC 500 series, designed for demanding industrial applications, particularly those requiring high-speed counting capabilities. It features 12 embedded 24VDC sink inputs and 8 AC/DC relay outputs, operates on a nominal supply voltage of 120/240VAC, and supports an input voltage range of 85-264 VAC at 47-63 Hz. With a 1K instruction program memory that is capacitor backed-up and options for EEPROM or UVPROM backup, this controller offers rapid processing speeds with a typical scan time of 8 milliseconds per 1K instructions and a bit execution of 4 microseconds, ensuring efficient control in automation environments.
Technical specifications for 1747-L20C
Manufacturer
Rockwell Automation
High-Speed Counter
Supported
Part Number/Catalog No.
1747-L20C
Brand
Allen-Bradley
Product Description:
SLC 500 Fixed style hardware controller
Discrete inputs:
Twelve (12) 24VDC sink inputs
Discrete outputs:
Eight (8) AC/DC Relay outputs
Indicators:
POWER, PC RUN, CPU FAULT, FORCED I/O, and BATTERY LOW