START
115200, baud rate, from 1200,2400 ~ 57600,115200
N, N=No Parity, E=EVEN, O=ODD
1, 1=one STOP bit, 2=two STOP bits
100, TimeOut for Modbus command, format=Dec, valid=[0 ~ 255], unit=0.01 sec, 0.01x100=1 sec, max=2.55 sec
0, delay in the end of Modbus command, format=Dec, valid=[0 ~ 255], unit=0.01 sec, max=2.55 sec
0, InTxPdoMax/2, format=Dec, valid=[0 ~ 128], default=0=Auto
0, OutRxPdoMax/2, format=Dec, valid=[0 ~ 128], default=0=Auto
0 0 0 0 0 0 0, 7 Reserved, format=Hex, default=0
5, 5 commands(00-04), max=300, format=Dec
04 04 02 00 00 01, 29, 00, 00, InTxPdo[29]=wiring, update cyclically, (00)
04 04 02 01 00 01, 2A, 00, 00, InTxPdo[2A]=phase, update cyclically, (01)
04 04 02 02 00 01, 2B, 00, 00, InTxPdo[2B]=name, update cyclically, (02)
04 04 02 03 00 01, 2C, 00, 00, InTxPdo[2C]=type, update cyclically, (03)
04 04 02 04 00 01, 2D, 00, 00, InTxPdo[2D]=ver, update cyclically, (04)
STOP 
==========================================================================
OutRxPdo[00]=CTL, OutRxPdo[01..7F]=Out[01..7F] 
InTxPdo[00]=SYS,  InTxPdo[01..7F]=In[01..7F] 
==========================================================================
16_bit commands

address of power_meter = 04