SLC 503 Allen Bradley PLC – SLC 500 Technical Specifications: Manufacturer Brand Part Number/Catalog No. Series Processor Inputs Outputs Analog I/O User Memory Program Scan Time I/O Scan Time I/O Chassis Chassis Module Slots Communication Backup Memory Backplane Current (5 Volts DC) Rockwell Automation Allen-Bradley 1747-L531, -L532, or -L533 SLC 500 SLC 503 Processor 4096 4096 180, or 480 8,000, 16,000, or 32,000 Words 1 millisecond 0.225 milliseconds 3 30 DH-485, RS-232 Flash 500 milliamps DO Supply Inc. DOES NOT WARRANT THE COMPLETENESS, TIMELINESS OR ACCURACY OF ANY OF THE DATA CONTAINED on this PDF document. ALL INFORMATION CONVEYED HEREBY IS PROVIDED TO USERS "AS IS." IN NO EVENT SHALL DO Supply Inc. BE LIABLE FOR ANY DAMAGES OF ANY KIND INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS PROFIT OR DAMAGE.