10 Operation
10.1 Abbreviations, units and signals
10 Operation
10.1 Abbreviations, units and signals
10.1.1
Abbreviations
Abbreviation
Meaning
Q
Current consumption QA-QB
Q
nom
Nominal flow rate
T1
Total consumption since last reset (without password protection)
T2
Total consumption since last reset (with password protection)
QA
Current flow flowmeter A (supply line)
QB
Current flow flowmeter B (return line)
Temp.
Temperature
TA1
Total flow flowmeter A since last reset (without password protection)
TA2
Total flow flowmeter A since last reset (with password protection)
TB1
Total flow flowmeter B since last reset (without password protection)
TB2
Total flow flowmeter B since last reset (with password protection)
Rho
Density
f
Frequency
K
K-factor
10.1.2
Units
In order to make extensive conversions by the user superfluous, various country-specific units and
quantities of a unit are available for the display.
Abbreviation
Meaning
Volume
ml, l, galUS, galUK, m
3
Mass
g, kg, t, lb
Flow, volumetric
ml/s, ml/min, l/s, l/min, l/h, galUS/s, galUS/min, galUS/h, galUK/s, galUK/min,
galUK/h, m
3
/min, m
3
/h
Flow, mass-specific g/s, g/min, kg/s, kg/min, kg/h, t/min, t/h, lb/s, lb/min, lb/h
Temperature
°C, °F
Density
Kg/m
3
, lb/galUS, lb/galUK
Frequency
Hz
K-factor
P/l
10.1.3
Pulse signals
Pulse inputs for pick ups with the following functions is available:
o
NPN
o
PNP
o
Namur
Either NPN or PNP can be selected for push-pull pick ups, see
2.12 Setting Function Pick up
.
22
OIE 12en-GB Edition 2020-03
Operating instructions