| Manufacturer | Rockwell Automation |
| Brand | Allen-Bradley |
| Part Number/Catalog No. | 1747-L531 |
| Series | SLC 500 |
| Inputs | 4096 |
| Module Type | SLC 5/03 Processor |
| Outputs | 4096 |
| Analog I/O | 180 |
| Memory: | Up to 8 KB, Battery Backed-RAM |
| Program Scan Time | 1 ms/K |
| User Memory | 8,000 Words |
| I/O Chassis | 3 |
| Chassis Module Slots | 30 |
| I/O Scan Time | 0.225 milliseconds |
| Communication | DH485, RS-232 |
| Backup Memory | 1747-M13 |
| Ambient Temperature | 0 to 60 degrees Celsius |
| Battery back-up memory: | Yes; 1747-BA |
| Backplane Current (5 Volts DC) | 500 milliamps |
| UPC | 10662072666279 |
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- United States（USD $）
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