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Siemens
Ultrasonic heat and cooling energy meters UH50..
CE2N5324en
Building Technologies
2013-01-14
- Switching threshold high
- Resistance
- Max. cable length
2 V
2 M
10 m
RF interface
- Frequency
- Transmitter power
- Receive frequency
- Antenna
- RF protocol
- RF range
As per EN 13757-2/ -4
868.95 MHz
3.16…25 mW
868.30 MHz
WZU-RF: Built-in
WZU-RF-EXT: External
OMS-/DSMR-compliant data transmission
Max. 400 m/typically 30 m in buildings
GPRS interface
- Band
- External antenna
- Protocols
- Configuration
- Data storage
- Backup real-time clock
- Max. humidity in operation
- Power supply
- Voltage range
- Frequency
- Power consumption
- Nominal consumption
- Overvoltage category as per
EN 61010-1
Class 12
850/900/1,800/1,900 MHz
WZU-GPRS with magnetic base
WZU-GPRS-ANT with screwed connection
E-mail via SMTP
Passive FTP mode
HTTP POST and GET
GMS data transparent M-bus
TCP transparent M-bus
SMS, HTTP, FTP, GSM CSD
1.3 MByte
3 days
80% r.h.
Enclosed to the module
AC 100…230 V, -20%...+15%
50/60 Hz
Max. 2.5 VA
Max. 1 VA
II
M-bus master interface
- Baud rate
- Number of M-bus slaves
- Cable length
- Connection
As per EN 13757
300 and 2400 baud
Max. 8
Max. 1000
2-wire connection, interchangeable
GSM interface
- Band
- Antenna
- Transmitter power
- Range
- Module battery
- Battery type
- Battery voltage
- Battery life
- SMS
900/1,800/1,900 MHz
Built-in or external (optional)
Max. 2 W at 800 MHz
Max. 1 W at 1,800 or 1,900 MHz
Depending on availability of GMS network
2 AA lithium batteries (Li-SOCI2)
3.6 V
Approx. 1,600 SMS or 6 years (depending on
strength of GSM signal)
Forwarding service and data messages
- RF module, 868 MHz,
WZU-RF / WZU-RF-EXT
- GPRS module
WZU-GPRS
- GPRS module
WZU-GPRS
M-bus master
- GSM module
WZU-GSM