Allen-Bradley controllogix 1756-L55M12 User Manual page 12

12 ControlLogix System Overview
Publication 1756-UM001G-EN-P - January 2007
The ControlLogix controller is part of the Logix5000 family of
controllers. A ControlLogix system includes:
• the ControlLogix controller is available in different combinations
of user memory.
Controller
1756-L55M12
1756-L55M13
1756-L55M14
1756-L55M16
1756-L55M22
1756-L55M23
1756-L55M24
1756-L61
1756-L62
1756-L63
1756-L64
1756-L60M03SE
(1)
CompactFlash is optional and does not come with the controller.
• RSLogix 5000 programming software.
• 1756 ControlLogix I/O modules that reside in a 1756 chassis.
• different communication modules for EtherNet/IP, ControlNet,
DeviceNet, DH+, and Universal remote I/O networks.
• other networks via third-party devices, such as Foundation
Fieldbus and the Highway Addressable Remote Transducer
(HART).
• a built-in serial port on every ControlLogix controller.
Memory for Data I/O
and Logic
750 KB 208 KB
1.5 MB 208 KB
3.5 MB 208 KB
7.5 MB 208 KB
≤ 3.5 MB of data
750 KB 208 KB
1.5 KB 208 KB
3.5 KB 208 KB
2 MB 478 KB
4 MB 478 KB
8 MB 478 KB
16 MB 478 KB
750 KB 478 KB
Nonvolatile
Backup Memory
no
no
no
no
Integrated
Integrated
Integrated
(1)
CompactFlash card
(1)
CompactFlash card
(1)
CompactFlash card
(1)
CompactFlash card
(1)
CompactFlash card