Ultraflux UF 831, Руководство пользователя, Страница: 90 / 109

90
NT UF 831 CO GB (b) / March 2014
Serial link characteristics
The following list presents the characteristics of the serial link to be used:
 Protocol used: JBUS/MODBUS,
 Transmission speed: from 300 to 115,200 bauds,

Number of bits: 8,
 Parity: None,
 Number of stop bits: 1.
Comment: To ensure that an automaton can take measurement recordings, contact Ultraflux to obtain the
measurement variables description table in the JBUS/MODBUS protocol.
For FLOAT type information, it must be possible to read two consecutive words (or 4 bytes). The format
complies with the IEEE standard.
For LONG type information, two consecutive words (or 4 bytes) must be read.
1 sign
bit
8 exponent bits
23 mantissa bits
Where:
Example: float value