BASI BDC94, User Manual

Page: 43 / 48

User manual - COUNTER
BDC94
5. Read of the displayed value (high and low word),
ADDR FUNC REG H,L COUNT H,L CRC L,H
01 03 00 01 00 02 95 CB
Response, while normal operation (no errors):
ADDR FUNC BYTE C DATA H1,L1 DATA H2,L2 CRC L,H
01 03 04 00 00 00 57 BB CD
DATA - 00000057h = 87, displayed value = 87
6. Settings of the programmable inputs parameters, “Pr InP”=”inhibi”
ADDR FUNC REG H,L DATA H,L CRC L,H
01 06 00 11 00 01 18 0F
The answer (the same as the message):
ADDR FUNC REG H,L DATA H,L CRC L,H
01 06 00 11 00 01 18 0F
7. Try to write illegal data value into baud rate register
ADDR FUNC REG H,L DATA H,L CRC L,H
01 06 00 22 00 09 E9 C6
DATA L = 9 - value exceeds allowable range (0÷7)
The answer (exception code 03h - illegal data value):
ADDR FUNC ERR CRC L,H
01 86 03 02 61
There is no full implementation of the Modbus Protocol in the device. The
functions presented above are available only.
43
i