Simex SIN-8, User Manual

Page: 10 / 12

User manual - MODULE SIN-8
1. 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 00 8B F8 23
DATA - identification code (008Bh)
2. 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
3. Reading of input 5 current state.
ADDR FUNC REG H,L COUNT H,L CRC L,H
01 03 00 05 00 01 94 0B
Answer:
ADDR FUNC BYTE C DATA H,L CRC L,H
01 03 02 00 01 79 84
DATA H, L - input state (1 – it means that high state is delivered to input 5)
There is no full implementation of the Modbus Protocol in the device. The functions
presented above are available only.
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