Allen Bradley 1747-L541 SLC500 PLC, 16K Memory, 4096 DI/DO, 256 AI/AO, DH+, RS-232

THE ALLEN BRADLEY 1747-L541 SLC 500 PROCESSOR UNIT IS AN SLC 5/04 PROGRAMMABLE LOGIC CONTROLLER MODULE. IT PROVIDES 16K WORDS OF USER PROGRAM MEMORY AND SUPPORTS A MAXIMUM I/O CAPACITY OF 4096 DISCRETE INPUTS, 4096 DISCRETE OUTPUTS, 256 ANALOG INPUTS, AND 256 ANALOG OUTPUTS. THE MODULE INCLUDES AN INTEGRATED DH+ COMMUNICATION PORT ON CHANNEL 1 AND AN RS-232 COMMUNICATION PORT ON CHANNEL 0, CONFIGURABLE FOR DF1 FULL DUPLEX, DH-485, OR MODBUS RTU SLAVE PROTOCOLS. IT DRAWS 1A AT 5VDC AND 200MA AT 24VDC FROM THE BACKPLANE. TYPICAL SCAN TIMES ARE 0.9 MS/K FOR BIT INSTRUCTIONS, CONTRIBUTING TO EFFICIENT PROCESS CONTROL. THE UNIT INCORPORATES BATTERY-BACKED RAM FOR PROGRAM AND DATA RETENTION.