The Allen-Bradley 1785-L20C PLC-5 is a robust ControlNet programmable controller and processor, ideal for integration in I/O chassis with a diverse range of I/O capabilities. This processor supports a substantial I/O capacity, allowing for up to 512 digital and 512 analog inputs or outputs, making it suitable for complex industrial automation tasks. It offers efficient throughput with a typical scan time of 2 ms per keyword and adaptable I/O scan times, ensuring swift and reliable process adjustments. Equipped with several indicator lights and ports, including a serial and coprocessor port, the 1785-L20C is designed for dynamic control and clear operational feedback, while its front panel accommodates memory modules and offers a convenient battery compartment. Make connections with the included accessories and ensure the system remains in its static-shielded container when not installed to avoid electrical damage.
Technical specifications for 1785-L20C
Manufacturer
Rockwell Automation
Brand
Allen-Bradley
Part Number/Catalog No.
1785-L20C
Module Type
ControlNet Processor Module
Program Scan Time
Typical 2 ms/Kword, Bit Logic 0.5 ms/Kword
Max Total I/O
512 (any mix) or 512 in + 512 out (complementary)
Max MCPs
16
Serial Port
Yes
Coprocessor Port
Yes
Max Analog I/O
512
I/O Scan Time Per Rack
10 ms at 57.6 kbits/s, 7 ms at 115.2 kbits/s, 3 ms at 230.4 mbits/s
