Allen-Bradley 1756-L55M12 ControlLogix programmable controller
| Brand | Allen-Bradley |
| Module Number |
1756-L55M12 1756-L55M22 |
| Unit Price | $800 |
| Country Of Origin | USA |
| Weight | 0.68KG |
| Certificate |
C/O from the Chamber of Commerce C/Q from the Manufacturer |
| Warranty | 12 Months |
| Inventory Qty | 1 |
Allen-Bradley 1756-L55M12 is a ControlLogix processor with 2MB memory and motion control capability, designed for high-performance automation applications requiring precise multi-axis coordination.
|
Feature |
1756-L55M12 |
1756-L55M22 |
|
Memory Size |
12 MB |
22 MB |
|
Backplane Current (5V) |
1.8 A max |
1.8 A max |
|
I/O Capacity |
Up to 128,000 I/O points (distributed) |
Up to 128,000 I/O points (distributed) |
|
Communication Ports |
1 × Serial Port (RS-232) |
1 × Serial Port (RS-232) |
|
Battery Type |
1756-BA1 (Lithium, User-Replaceable) |
1756-BA1 (Lithium, User-Replaceable) |
|
Battery Life |
~2–5 years (depending on usage) |
~2–5 years (depending on usage) |
|
Key Switch |
Yes (Run/Prog/Remote) |
Yes (Run/Prog/Remote) |
|
Non-Volatile Memory |
Yes (Flash EPROM) |
Yes (Flash EPROM) |
|
Firmware Updates |
Supported |
Supported |
|
Operating Temperature |
0°C to 60°C (32°F to 140°F) |
0°C to 60°C (32°F to 140°F) |
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Compatible products
Battery Module: 1756 - BATM or 1756 - BATA battery modules can be used in conjunction. These two battery modules provide non-volatile memory backup for the processor and save data when power is off. The 1756 - BATM and 1756 - BATA battery modules can provide a battery life of at least 299 days at 25 degrees Celsius.
Programming Cable: 1756 - CP3 or 1747 - CP3 serial cables are recommended. They are used to connect the processor to the programming device to facilitate program downloading, debugging, and system configuration.
CompactFlash Memory Module: 1784 - CF64 or 1784 - CF128 modules can be selected. The 1756-L55M12 has no non-volatile memory, while the 1756-L55M22 has integrated non-volatile memory but is also expandable. These modules can be used to permanently store user programs, providing 64MB and 128MB of memory respectively.
Communication modules: Communication modules that support network protocols such as Ethernet/IP, ControlNet, DeviceNet, DH+ can be used in conjunction with them. For example, the 1756-DNB DeviceNet communication scanner module. These communication modules help the processor communicate with other devices or networks to achieve data transmission and system integration.
Other controller modules: They can be used with other 1756-L55 series controllers, such as the 1756-L55M13, 1756-L55M24, etc., to form a redundant controller system in the ControlNet network to improve the reliability and stability of the system.
