16 Appendix
16.1 Glossary
15.2.3
Plug-in power supply unit EEN 13
The accessory set includes exchangeable connectors that can be used in most countries of the world.
Fig. 5: Plug-in power supply unit EEN 13
Component
Parameter
Unit
Value
Input
Power consumption
[W]
20
Input voltage
[V AC] 90 – 264
Frequency
[Hz]
47 – 63
Max. current consumption [A]
0.4.
Leak flow max.
[mA]
0.25
Output
Output voltage
[V DC] 24 ± 2 %
Output current max.
[mA]
625
Output power
[W]
15
Short-circuit protection
Continuous (auto recovery)
Overvoltage protection
Yes
Environment
Operating temperature
[°C]
0 ~ +40
Storage temperature
[°C]
-20 °C ~ +85
Dimensions
[mm]
80.6 x 47.9 x 43.3
Weight
[g]
130
Tab. 10: Technical data EEN 13
Cable assignment
Connection
Function
Color
Output
+ 24 V
White
GND
Black
16 Appendix
16.1 Glossary
Designation
Meaning
Updating rate
o
Shortest period in which a change is displayed in the display
Analog output
o
Represents an internal digital value as an electrical value (0–10 V, 4–20 mA)
o
Is updated with the cycle time
Analog input
o
Converts an electrical value (0–10 V, 4–20 mA) into a digital value
Resolution
o
Maximum number of possible subdivision steps for describing a value
Baud rate
o
Rate of data transfer per time unit (bit/s)
Density
o
Ratio of mass-to-volume (e.g. kg/m
3
)
Density table
o
Describes the relationship of density-to-temperature
o
Only contains one fixed density value for BEM 300
Differential measurement
o
The values of two flowmeters are measured and subtracted
Flow rate
o
Amount flowing per time unit (e.g. l/s)
Flow direction detection
o
Detection of the flow direction through two sensors with square wave signals out of phase by 90°
30
OIE 15en-GB Edition 2020-03
Operating instructions