Siemens S55561-F112, Manual, Page: 34 / 40

34 / 40
Siemens Ultrasonic heat and cooling energy meters UH50.. CE2N5324en
Building Technologies 2013-01-14
- Pulse input closed (Low)
- Switching threshold low
- Resistance
- Pulse input open (High)
- Switching threshold high
- Resistance
- Max. cable length
<0.2 V
<50 k
Collector not fully activated
6 M
10 m
Analog output
- Number of outputs
- Output variable
- Max. load at current output
- Max. load at voltage output
- Accuracy
- Max. cable length
- Cross-sectional area
- Outputs short-circuit-proof
- Galvanic isolation from meter
- External power supply
- Voltage range
- Current draw
- Power consumption
2
Current or voltage configurable
300
2 k
± 1% of parameterized max. value
100 m
Max. 1.5 mm
2
Yes
Yes
AC 12…20 V or DC 12…42 V
Max. 170 mA at 12 V
Max. 2 VA
Radio interface
- Frequency
- Transmitter power
- Antenna
- Readout frequency
- Sampling rate (RF)
- RF protocol
- RF range
433 MHz
8 mW, can be changed to 5 mW with jumper
Built-in
Max. 1 readout per day (average)
8 s, can be changed with jumper
Proprietary
Up to 100 m
Pulse inputs
- Number of inputs
- Pulse duration (Low)
- Pulse duration (High)
- Frequency
- Polarity
- Galvanic isolation from meter
- Pulse valencies
- Metering range
- Meter ID
- Output voltage
- Internal resistance
- Source current
- Pulse input closed (Low)
- Switching threshold low
- Resistance
- Pulse input open (High)
As per EN 1434-2, class IB
2
50 ms
50 ms
Max. 10 Hz when using 1 input
Max. 5 Hz when using both inputs
Yes
No
0.001… 999.999 per pulse input
0…99,999.999 (8 digits)
8 digits for each pulse input
3 V
0.3 M
10 A
0.5 V
50 k
- Analog module
WZU-AM
- RF module, 433 MHz,
WZU-RM
- RF module
WZU-RM
Pulse inputs