# Open Protocol

In the Home page, tap Configuration > External systems > Open Protocol.

To enable the Open Protocol, select the Enabled check box and type the number of the port to use in the Open Protocol Port field. Then, tap on Save.

By default, the Enabled checkbox is not selected.

Below are the available MIDs (Message Identification):

MID | Description | Revision ranges
--- | --- | ---
0001 | Communication start | 0 ÷ 1
0002 | Communication start acknowledge | 0 ÷ 5
0003 | Communication stop | 0 ÷ 1
0004 | Command error | 0 ÷ 1
0005 | Command accepted | 0 ÷ 1
0010 | Pset ID upload request | 0 ÷ 1
0011 | Pset ID upload response | 0 ÷ 1
0014 | Pset selected subscribe | 0 ÷ 1
0015 | Pset selected | 0 ÷ 2
0016 | Pset selected acknowledge | 0 ÷ 1
0017 | Pset selected unsubscribe | 0 ÷ 1
0018 | Select Pset | 0 ÷ 1
0060 | Last tightening result data subscribe | 0 ÷ 1
0061 | Last tightening result data | 0 ÷ 7 (+999)
0062 | Last tightening result data acknowledge | 0 ÷ 1
0063 | Last tightening result data unsubscribe | 0 ÷ 1
0064 | Old tightening result upload request | 0 ÷ 1
0065 | Old tightening result upload response | 0 ÷ 6
0080 | Read time upload request | 0 ÷ 1
0081 | Read time upload response | 0 ÷ 1
9999 | Keep alive message | 0 ÷ 1

## Applies to: