> For the complete documentation index, see [llms.txt](https://wecon.gitbook.io/pistudio-manual/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://wecon.gitbook.io/pistudio-manual/11.-plc-protocols/allen-bradley-micrologix.md).

# 11.2 Allen-Bradley MicroLogix

MicroLogix 1000/1200/1400/1500; SLC 5/03 5/04 5/05 PLC-5

**HMI settings**

| **Item**        | **Settings**              | **Note** |
| --------------- | ------------------------- | -------- |
| Protocol        | Allen-Bradlley MicroLogix |          |
| Connection      | RS232                     |          |
| Baud rate       | 19200                     |          |
| Data bit        | 8                         |          |
| Parity          | None                      |          |
| Stop bit        | 1                         |          |
| PLC station No. | 1                         |          |

**Address list**

| **Type** | **Device registers** | **Format** | **Range**    | **Note**               |
| -------- | -------------------- | ---------- | ------------ | ---------------------- |
| Bit      | I                    | I d.d      | 0.0\~255.15  |                        |
|          | O                    | O d.d      | 0.0\~255.15  |                        |
|          | B                    | B nnhh.dd  | 0.0\~ffff.15 | nn: block number (hex) |
|          | S                    | S d.d      | 0.0\~255.15  |                        |
|          | N                    | N nnhh.dd  | 0.0\~ffff.15 | nn: block number (hex) |
| Word     | S                    | S d        | 0\~255       |                        |
|          | TS                   | TS nnhh    | 0\~ffff      | nn: block number (hex) |
|          | TP                   | TP nnhh    | 0\~ffff      |                        |
|          | CS                   | CS nnhh    | 0\~ffff      |                        |
|          | CP                   | CP nnhh    | 0\~ffff      |                        |
|          | N                    | N nnhh     | 0\~ffff      |                        |
|          | C                    | C nnhh     | 0\~ffff      |                        |
|          | T                    | T nnhh     | 0\~ffff      |                        |
|          | R                    | R nnhh     | 0\~ffff      |                        |

**Cable wiring**

![](/files/-M3KWztIAjbNRXW-rkkF)