Allen-Bradley MicroLogix 1400 User Manual

Publication 1766-RM001A-EN-P - October 2008
Controller Memory and File Types 43
MicroLogix 1400 User Memory
The MicroLogix 1400 controller supports 20K of memory. Memory can be
used for program files and data files. The maximum data memory usage is
10K words as shown.
To find the memory usage for specific instructions, see MicroLogix 1400
Memory Usage and Instruction Execution Time on page 545.
The MicroLogix 1400 controller also supports 128K bytes of battery
backed memory for data logging or recipe operations. See Chapter 24 for
Data Logging and Recipe information.
To find the memory usage for specific instructions See System Status File
on page 551 .
0 K
-
- -
-
-
-
-
- - - - -
0 K
3.0 K 4.0 K 3.5 K 4.5 K 2.5 K 2.0 K 1.5 K 0.5 K
- -
0.5 K
2.0 K
1.5 K
1.0 K
1.0 K
-
Program Words
Data Words
3.5 K
3.0 K
2.5 K
4.0 K
-
-
-
-
- - - - - - -
7.5 K
7.0 K
6.5 K 6.0 K 5.5 K 5.0 K 8.0 K 8.5 K
-
- - -
9.5 K 9.0 K
10.0 K
-
10.5 K
-
11.4 K
-
-
-
-
4.5 K
6.0 K
5.5 K
5.0 K
7.5 K
7.0 K
6.5 K
8.0 K
-
-
-
-
9.5 K
9.0 K
8.5 K
10.0 K
-
-
-
-
44582
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Allen-Bradley MicroLogix 1400 Specifications

General

Processor	32-bit
Expansion Modules	Up to 7 expansion I/O modules
Power Supply	24V DC or 120/240V AC
Programming Software	RSLogix 500
Communication Ports	Ethernet, RS-232/RS-485 combo port
Controller Type	Programmable Logic Controller (PLC)
Series	MicroLogix
Digital Outputs	12
Analog Inputs	6 (embedded)
Analog Outputs	2 (embedded)
High-Speed Counter	6 high-speed counters
Pulse Output	2 (embedded)
Ethernet Port	Yes