Product Overview:
Allen Bradley 1756-L55M13 is a processor module for ControlLogix industrial control systems that fully supports controller redundancy. 1756-L55M13 contains 1536 KB of user memory. This module also includes 208KB of I/O memory. Non volatile memory is not included, but the optional CompactFlash memory module (available in 64 MB and 128 MB versions) can be ordered separately. 1756-L55M13 requires a battery to power the user's memory. The recommended battery module is 1756-BATM, which can last for 299 days at 77 degrees Fahrenheit. 1756-L55M13 supports two additional battery modules, it is recommended to use them as replacement parts. This includes 1756-BA1, which provides 63 days of backup at 77 degrees Fahrenheit, and 1756-ATA, which provides 299 days of backup at 77 degrees Celsius.
Technical Specifications
Manufacturer:Rockwell Automation
Brand:Allen-Bradley
Part Number/Catalog No.:1756-L55M13
Series:ControlLogix
Module Type:Processor Module
RAM:1.5 MB
Maximum I-O:128,000
Maximum Analog I-O:4,000 Input, 2,000 Output
Program Scan Time:0.08 milliseconds
Backplane Current (5Volts DC):1.23 Amps
Backplane Current (24 Volts DC):14 milliamps
Weight:0.78 pounds (0.35 kilograms)

Application Industry:
1. Power industry, the elevator industry, parking lot, automobile, automobile supporting.
2. Feed industry, aluminum smelting machinery, refrigeration industry.
3. Iron and steel industry, combustion control system, non-ferrous metal smelting.
4. Glass industry, engineering machinery, textile machinery, water treatment.
More models:
| 1756-L1 | 1769-L33ER/A | 1747-L551/A | 1769-PA2 |
| 1783-BMS07SA | 1756-OA8E | 1746-NT8 | 1746-NR4 |
| 1756-SYNCH | 1791-16A0 | 1769-L19ER-BB2B | 1762-IT4 |
| 1761-NET-AIC | 1747-DCM | 1756-OX8I | 1756-EN2TR |
| 1747-UIC | 1775-KA | 1771-WHFN | 1747-C10 |
| 1746SC-INO4I | 1746-OB32E | 2711-K10C10 | 1746-IV32 |
| 1766-L32BXBA | 1769-IQ32 | 1757-FIMRTP | 1762-L24AWA |
| 1786-TPS | 1747-L514 | 1785-L20C | 1746SC-IN04VI |
| 1786-TPR | 1775-L4 | 1786-RPFM | 1769-L36ERMS |
| 1756-CP3 | 1785-V40L/A | 1746-OB16E | 1756-CN2 |
| 1746-NIO4I | 2711-B5A10 | 1769-L30 | 1784-PM16SE |