Datasheet

Byte Code Meaning
0 27 Number of bytes in the frame (27h=39dec)
1 21 Slave string indicator "!"
2 00 Station address (it is always 0 in our boards)
3 77 word reading operation "w"
4 41 data start address (1(address in UIF_R.ram_tab)+40h(offset to add for ram reading))
5 10 number of data (10h=16dec)
6 00 MSB of the 1st word of data (UIF_R.ram_tab[1]=UIF_R.var.rpm, speed)
7 00 LSB of the 1st word of data
8 00 MSB of the 2nd word of data (UIF_R.ram_tab[2]=UIF_R.var.fre, imposed frequency)
9 00 LSB of the 2nd word of data
10 00 MSB of the 3rd word of data (UIF_R.ram_tab[3]=UIF_R.var.id, d axis current)
11 00 LSB of the 3rd word of data
12 00 MSB of the 4th word of data (UIF_R.ram_tab[4]=UIF_R.var.iq, q axis current)
13 00 LSB of the 4th word of data
14 00 MSB of the 5th word of data (UIF_R.ram_tab[5])
15 00 LSB of the 5th word of data
16 00 MSB of the 6th word of data (UIF_R.ram_tab[6])
17 00 LSB of the 6th word of data
18 00 MSB of the 7th word of data (UIF_R.ram_tab[7]=UIF_R.var.vb, bus voltage)
19 18 LSB of the 7th word of data
20 00 MSB of the 8th word of data (UIF_R.ram_tab[8])
21 00 LSB of the 8th word of data
22 00 MSB of the 9th word of data (UIF_R.ram_tab[9]=UIF_R.var.all, alarm)
23 01 LSB of the 9th word of data
24 00 MSB of the 10th word of data (UIF_R.ram_tab[10])
25 00 LSB of the 10th word of data
26 00 MSB of the 11th word of data (UIF_R.ram_tab[11])
27 00 LSB of the 11th word of data
28 00 MSB of the 12th word of data (UIF_R.ram_tab[12])
29 00 LSB of the 12th word of data
30 00 MSB of the 13th word of data (UIF_R.ram_tab[13])
31 00 LSB of the 13th word of data
32 00 MSB of the 14th word of data (UIF_R.ram_tab[14])
33 00 LSB of the 14th word of data
34 00 MSB of the 15th word of data (UIF_R.ram_tab[15])
35 00 LSB of the 15th word of data
36 00 MSB of the 16th word of data (UIF_R.ram_tab[16])
37 00 LSB of the 16th word of data
38 69 checksum