| The Allen Bradley CompactLogix controllers | | | | |
| use the same programming and program | | | | - 3-position key switch. |
| organisation as the ControlLogix systems but | | | | |
| utilise Allen Bradley 1769 MicroLogix 1500 | | | | - Battery backed memory. |
| system I/O and communications options. Their | | | | |
| memory space is smaller than the ControlLogix | | | | - Channel 0 default RS232 communication. |
| systems but it is more than adequate for | | | | |
| medium sized PLC applications. | | | | - Built-in RS-232 port. |
| | | | |
| The Rockwell CompactLogix controllers provide | | | | - Diagnostic LED's. |
| a solution for smaller, machine-level control | | | | |
| applications, requiring a low-cost, modular | | | | - Integrated Compact/1769 Bus. |
| solution. The CompactLogix system is also | | | | |
| configured and programmed with RSLogix 5000. | | | | All of the processors in the range have these |
| | | | functions other processors have an extra |
| Allen Bradley CompactLogix PLC systems use | | | | serial port, Ethernet port or ControlNet |
| the same Logix control engine as the rest of | | | | port. |
| the Logix series controllers. This means | | | | |
| CompactLogix supports the Logix instruction | | | | All the Allen Bradley CompactLogix PLC |
| set, task configuration and data tags. | | | | processors have RUN-REM-PROG Key switch has |
| | | | the following functionality.RUN - PLC in RUN |
| The multi-tasking operating system supports | | | | mode no edits possible. REM - PLC in remote |
| 4, 6, or 8 configurable tasks (depending on | | | | mode control of the processor and remote |
| the processor) that can be prioritized for | | | | programming available using RSLogix 5000. |
| executing the program code according to the | | | | PROG - PLC in STOP or Program mode, program |
| application. Tasks can contain up to 32 | | | | changes can be downloaded. |
| programs, each containing separate routines. | | | | |
| | | | Allen Bradley CompactLogix Local I/O allows |
| Symbolic addressing using tags is used to | | | | one additional bank of I/O modules can be |
| identify data by its use in the application, | | | | added to a CompactLogix system. The first |
| independent of the hardware. You can create | | | | bank includes the CompactLogix controller in |
| libraries of standard routines that can be | | | | the far left position. Each bank requires its |
| re-used on multiple machines or applications. | | | | own power supply and the controller must be |
| | | | within four slot positions of the power |
| The Allen Bradley CompactLogix PLC system | | | | supply. A maximum of one controller may be |
| also provides you with peer-to-peer | | | | used in a CompactLogix system. |
| communications to other devices via the | | | | |
| following communication interface devices, | | | | The system above has a main bank consisting |
| DH-485, DeviceNet, Controlnetm and Ethernet | | | | of a processor, 2 I/O cards, a power supply |
| | | | and 2 more I/O cards. The second bank also |
| All CompactLogix controllers provide you with | | | | has 2 I/O cards, a power supply and 2 more I |
| the following features and functionality: | | | | O cards. |