190
Modbus
®
Standard Question
Modbus
®
Standard Question
October 2018
Reference Manual
00809-0100-2460, Rev DE
F.3 FC03 register area
Read Holding Register.
F.3.1 System register area
Table F-3. System Register Area
Register
Number
Register Name Type Unit Description
Unit Register Area Priority 5 question. Defines the unit for
values in the FC04 area.
100 Level Unit WORD Enum (m) 44 = ft
45 = m (default)
101 Level Rate Unit WORD Enum (m/h) 120 = m/h (default)
247 = ft/h
102 Temperature Element Unit WORD Enum (1/10°) 1 = 1/10 ° (default)
2 = 1/100 °
Resolution for the value, the
Temperature Unit below will be used
103 Temperature Unit WORD Enum (°C) 32 = °C (default)
33 = °F
104 Pressure Unit WORD Enum (barG) 11 = Pa
12 = kPa
262 = psi A
263 = bar A
518 = psi G
519 = bar G (default)
239 = mm H2O
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