Mitsubishi A3COverTcp protocol
1. Simple Connector Pager
Click the plus sign next to the Channel List, add a MQTT protocol.

2. Add a PLC connection under the channel
After adding a channel with the A3COverTcp protocol, click the plus sign to the right of the channel name to add a PLC connection under it.

- Equipment Instance: Select the equipment instance under this channel.
After selecting the equipment instance, you need to fill in the PLC settings.

| Field | Description |
|---|---|
| IP Address | The IP address of the PLC. |
| Port | The IP port number of the PLC. |
| Connection Timeout | If the connection time between Simple Connector and the Mitsubishi PLC exceeds this set duration, it will be considered a connection failure. |
| Receive Timeout | If Simple Connector exceeds this set time when receiving data from the Mitsubishi PLC, it is considered a reception failure. |
| Sleep Time | If there is no data interaction between Simple Connector and the Mitsubishi PLC beyond this set time, it will enter sleep mode. |
| Station Number | Station Number required by FxLinksOverTcp |
| Sum Check | Checksum required by FxLinksOverTcp |
| Message Format | Message format required by FxLinksOverTcp |
3. After adding, you can see the added PLC connection under this channel.

4. Add tags for the PLC.
Select the PLC connection, and click "Add Tag" on the right.

| Field | Description |
|---|---|
| Tag Name | The name of the tag. |
| Address | The address of the PLC data tag. |
| Data Type | The data type of the PLC data tag. |
| Scan Interval | The time interval to scan the PLC tag. It is applicable when there is a need to subscribe the tag, and this will be the minimum interval to detect the tag value change. |
| Read/Write Mode | Select whether the PLC data tag is read-only or read-write. |
If the selected data type is String, you need to fill in the following additional information.

| Field | Description |
|---|---|
| String Length | The length of the string for the String type, can be filled with an integer value from 1 to 254. |
| String Encoding | The character encoding for the String type |
5. Connectivity Testing
After adding device tags, we can test the tags to see if they can connect to the PLC.

An access status of "Success" indicates that it can connect to the PLC, meaning the tag is functioning correctly.
If it shows "Failure", this means the PLC tag cannot be read, there is a connection issue. )

Click "Write" to perform a write test (only tags with a read/write mode set to "Read/Write" can be used for write testing).

After filling in the data value and submitting, a "Write successful" message will be displayed upon successful writing.
