SRV-63 series AC servo drives Communication
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Table 8-3 The slave device reply
START
T1-T2-T3-T4 (transmission time of 3.5 bytes)
ADDR
01H
CMD
03H
Byte number
04H
Higher bit of 03F2H
00H
Low bit of 03F2H
C8H
High bit of 03F3H
00H
Low bit of 03F3H
00H
Low bit of CRC CHK
7BH
High bit of CRC CHK
CDH
END
T1-T2-T3-T4 (transmission time of 3.5 bytes)
8.2.4.2 Command code: 10H
Function: write N words (N≥2)
For example, write 300(0000012CH) into address 03F2H, slave device address 01H. And then the
structure of the frame is:
Table 8-4 The master device request command
START
T1-T2-T3-T4 (transmission time of 3.5 bytes)
ADDR
01H
CMD
10H
High bit of data address
03H
Low bit of data address
F2H
High bit of data number
00H
Low bit of data number
02H
Byte number
04H
High bit of 1
st
word of data content
01H
Low bit of 1
st
word of data content
2CH
High bit of 2
nd
word of data content
00H
Low bit of 2
nd
word of data content
00H
Low bit of CRC CHK
A9H
High bit of CRC CHK
F7H
END
T1-T2-T3-T4 (transmission time of 3.5 bytes)