User Manual
42
Smart Infrastructure
CE2N5324en
2019-06-27
Modbus module
WZU-485E-MOD
● Galvanic isolation
– From meter:
– From the RS-485 network
Yes
No
Analog module WZU-AM
Analog outputs
● Number of outputs
● Output variable
● Max. load at current output
● Max. load at voltage output
● Precision
● Max. cable length
● Cable cross-section
● Outputs short-circuit proof
● Galvanic isolation from meter
External power supply
● Voltage range
● Power consumption
● Power consumption
External fuse (not enclosed)
● < AC/DC 24 V
● ≥ AC/DC 24 V
● Breaking capacity
2
Current or voltage configurable
300 Ω
2 kΩ
≤ ±} 1% of parameterized max. value
100 m
Max. 1.5 mm
2
Yes
Yes
AC 12…30 V or DC 12…42 V
Max. 170 mA at 12 V
Max. 2 VA
Per EN 60127-2
200 mA, slow
100 mA, slow
35 A (L)
RF module, 868 MHz
WZU-RF, WZU-RF-EXT
RF interface
● Transmission frequency
● Transmitter power
● Receive frequency
● Antenna
● RF protocol
● Range
As per EN 13757-2/ -4
868.95 MHz
3.16…25 mW
868.30 MHz
Integrated on WZU-RF,
external on WZU-RF-EXT
OMS-/DSMR compliant data transmission
Max. 400 m/typically 30 m in buildings