Modbus TCP server
46
COM465IP-COM465DP_D00216_02_M_XXEN/03.2017
6.2.2.9 R&U = Range and unit
The unit is coded in the bits 0 to 4.
The bits 6 and 7 describe the range of validity of a value. Bit 5 is reserved.
The whole byte is calculated from the sum of the unit and the range of validity.
Caution!
If the unit byte refers to CODE, the recorded value or status will result in a text message. The content
of this text message is listed in the table on page 47 or page 52. The floating point value contains an
internal CODE but no valid measured value.
Bit 76543210 Meaning
Unit
XXX00000 Invalid (init)
XXX00001 No unit
XXX00010 Ω
XXX00011 A
XXX00100 V
XXX00101 %
XXX00110 Hz
XXX00111 Baud
XXX01000 F
XXX01001 H
XXX01010 °C
XXX01011 °F
XXX01100 Second
XXX01101 Minute
XXX01110 Hour
XXX01111 Day
XXX10000 Month
X X X …………… Reserved
XXX11110 CODE
XXX11111 Reserved
X X X …………… Reserved
XXX11111 Reserved
Range of
validity
00XXXXXX True value
01XXXXXX True value is smaller
10XXXXXX True value is larger
11XXXXXX Invalid value
To Next Page
Loading...