Simex SPI-N118, User Manual

Page: 43 / 48

User manual for - FLOW METER SPI-N118
2. Read of device ID code
ADDR FUNC REG H,L COUNT H,L CRC L,H
01 03 00 21 00 01 D4 00
The answer:
ADDR FUNC BYTE C DATA H,L CRC L,H
01 03 02 20 5D 60 7D
DATA - identification code (205Dh)
3.
Change of the device address from 1 to 2 (write to reg. 20h)
ADDR FUNC REG H,L DATA H,L CRC L,H
01 06 00 20 00 02 09 C1
DATA H - 0
DATA L - new device address (2)
The answer (the same as the message):
ADDR FUNC REG H,L DATA H,L CRC L,H
01 06 00 20 00 02 09 C1
4. Change of baud rate of all devices connected to the net (BROADCAST message).
ADDR FUNC REG H,L COUNT H,L CRC L,H
00 06 00 22 00 04 29 D2
DATA H - 0
DATA L - 4, new baud rate 19200 baud
Device do not reply to BROADCAST-type messages.
5.
Try to write improper data to register (register 04h):
ADDR FUNC REG H,L DATA H,L CRC L,H
01 06 00 04 00 10 C9 C7
DATA H, L written value (10h = 16) out of allowable range (0 ÷ 5)
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