The Allen-Bradley / Rockwell Automation 1785-L20B is a Standard PLC-5/20 Processor with 16K of memory. This processor includes 1 DH+ port (mode) and universal remote I/O (adap or scan). Number of I/O chassis max. for universal remote is 12. Total number of I/O chassis max. is 13. 1785L20B houses 1 RS-232-C/422-A/423-A Port(s). Backplane current load for 1785-L20B @ 5V is 2.3 A.
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