Siemens UH50 Series Configuration Instructions

Ultraheat / Ultracold UH50 Configuration Instructions UH 106-101k Page 6 / 15
Max. power on the set day,
at 2s intervals with date stamp
Max. temperatures on the set day,
at 2s intervals with date stamp
for flow and return maximum
Missing time count on the set day
After the last display, the previously selected set day
is displayed again. Pressing LCD button 1 selects
the next set day.
Notice: If the number of months to be read out is
changed with the service software, this will have an
impact on the number of retrievable months in the
LCD.
Service loop 4 (“LOOP 4”)
Service loop 4 shows the unit parameters. LCD
button 2 calls the displays one after the other.
Head of the loop
Current tariff,
at 2s intervals with threshold value 1
Measuring interval for flowrate
Measuring interval for temperature
Module 1: Mbus module
Mbus primary address 1
Mbus secondary address 8digit
Module 2: pulse module; chan. 1 = energy
quantity, Channel 2 = volume, at 2s intervals
Significance for energy quantity pulses *)
Significance for volume pulses *)
Pulse duration in ms *)
*) for “fast pulses”
Previous year’s values
The electronic unit stores the meter readings for
quantity of energy, volume, the tariff register, missing
time, and flowrate measuring time as well as the
current maxima for flowrate, power, temperature
difference, flow temperature, and return temperature
with their date stamps on a yearly set day.
Monthly values
The electronic unit stores the meter readings for
quantity of energy, volume, the tariff register, missing
time, and flowrate measuring time as well as the
monthly maxima for flowrate, power, temperature
difference, flow temperature and return temperature
with their date stamp for up to 60 months on the set
day of each month.
Note: The standard time used is Central European
Time (CET). If daylight-saving time is activated,
storage will be performed accordingly.
The monthly values can also be read out via the
optical and the 20 mA interface.
Resolution of the display
kWh
MWh *)
MJ
GJ *)
m³
*) Places after decimal point "blinking", "static" or "suppressed"
10 15 25 402,5 3,5 60
Nom. flowrate in m³/h
0,01 GJ
m³/h
0,1 GJ
0,01 MWh
0,001 GJ
0,001 MWh
1 kWh
1 MJ
0,001 m³/h 0,01 m³/h
0,01 m³ 0,1 m³
0,6
The number of places after the decimal point of a
value is based on the chosen measurement path
and the chosen dimension.
Power supply
The UH50 can be powered from a power supply
module or with a battery.
The lifetime of battery depends on the type of battery
and on the requirements (e.g. short timebase,
analog module etc.).
Requirements
(for measuring timebase Q = 4 s
and measuring timebase T = 30 s)
6 years
11 years 16 years
Standard pulses
M-bus read-out (max. each 15 min.),
CL module
2x AA
C D
M-bus fast read-out, fast pulses,
analog module, radio module
D -- --
Automatic power supply detection
The power supply unit detects whether a line voltage
is applied. This signal is routed to the UH50. That
enables the device to detect automatically whether it
is being powered from a battery or power supply unit.
Power supply modules
24 V AC/DC 110 V AC, 230 V AC
Pollution degree per EN 61010
(no or only dry, non-
conductive soiling)
Ambient temperature + 5 .. + 50°C
Storage temperature - 20.. + 60°C
Back-up time during power failure
(power reserve) > 20 minutes
24 V safety extra-low voltage
Voltage 12..36 V AC or 12..42 V DC
Frequency 50 / 60 Hz or DC
Galvanic isolation 1000 V DC
Power consumption maximal 0.8 VA
Terminals 2 x 1.5 mm²
For connecting cable about, Ø 5.0..6.0 mm

Siemens UH50 Series Specifications

General

Type	Ultrasonic flowmeter
Accuracy	±1% of reading
Communication	HART
Power Supply	24 V DC
Output	4 to 20 mA
Operating Temperature	-20 to +60 °C (-4 to +140 °F)
Resolution	0.001 m/s