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, four commands(00-04), max=300, format=Dec
02 03 00 40 00 02, 80, 00, 00, InTxPdo[80/81]=DA_0/1 read back, update cyclically, (00)
02 03 00 42 00 02, FE, 00, 00, InTxPdo[FE/FF]=DA_2/3 read back, update cyclically, (01)
02 10 00 00 00 02 04 12 34 12 34, 80, 00, 00, DA_0/1=OutTxPdo[80/81], update cyclically, (02)
02 06 00 02 00 00, FE, 00, 00, DA_2=OutTxPdo[FE], update cyclically, (03)
02 06 00 03 00 00, FF, 00, 00, DA_3=OutTxPdo[FF], update cyclically, (04)
STOP
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OutRxPdo[00]=2610CTL0, OutRxPdo[01]=2610CTL1, OutRxPdo[02..FF]=Out[02..FF] 
InTxPdo[00]=2610SYS0,  InTxPdo[01]=2610SYS1,  InTxPdo[02..FF]=In[02..FF] 
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