AE & AEK Series Communication Protocol

■ I
2
C Bus Interface Option
Table of Contents
1. Introduction. ......................................................................................................................... 1
1-1 Serial clock (SCL & SDA). ................................................................................................
1
1-2 Addressing. ......................................................................................................................
1
2. I
2
C Bus Protocol ....................................................................................................................
1
2-1 Device slave address (7 bit device address). ...................................................................
1
2-2 Write mode sequences. ....................................................................................................
1
2-3 Read mode sequences. ...................................................................................................
1
3. Operation and Functions. ....................................................................................................
2
3-1 Status Register (0x6C, 0x6F). ..........................................................................................
3
3-2 Control Register (0x7C). ...................................................................................................
4
4. Measurements and Calculation Example. ........................................................................
5
4-1 Output voltage read back. ...............................................................................................
5
4-2 Output current readback. .................................................................................................
5
4-3 Internal temperature readback. ........................................................................................
5
4-4 Status: 0 readback. .......................................................................................................... 5
4-5 Status: 1 readback. .......................................................................................................... 6
5.
Control Command And Calculation Example .................................................................
6
5-1 Output voltage setting. .....................................................................................................
6
5-2 Output current setting. ......................................................................................................
7
5-3 Setting parameter update. ................................................................................................
7
5-4 Power on/off control (In Remote mode [0x7C.7]=1 only). ................................................
7
5-5 Remote / Local control ..................................................................................................... 7
5-6 Others .............................................................................................................................. 7
■ RS-232 / RS-485 Communication protocol ............................................................................
8
6. Introduction .......................................................................................................................... 8
6-1 Communication Protocol .................................................................................................. 8
6-2 Addressing .......................................................................................................................
8
7. UART protocol of unit ..........................................................................................................
9
7-1 Data Transmission ........................................................................................................... 9
7-2 SMPS Addressing ............................................................................................................
9
7-3 Command Format ............................................................................................................ 9
7-4 Command Execute and Reply .........................................................................................
9