Technical Data; Ordering Data - Siemens WZU-MB G4 Bedienungsanleitung

•
Pulse value
•
Decimal place
•
Identification for medium type
must be set to 0 by service software UltraAssist.
Note: Detailed information for the parameterization
with the service software can be found in the UltraAs-
sist user manual.
7.

Technical Data

WZU-MB G4
Standard
Protocol
Electrical isolation
•
from the meter
Connection capacity
Polarity
Voltage
Current consumption
Baud rate
Interface description
WZU-MI with 2 pulse inputs
Number of pulse inputs
Life of the module battery
Standard for pulse inputs
Frequency
Pulse duration (low)
No-pulse duration (high)
Pulse value
Display and output
Polarity
Electrical isolation
•
from the meter
•
from the M-bus inputs
Output voltage
Internal resistance
Source current
Pulse input closed (low)
•
Switching threshold low
•
Resistance
Pulse input open (high)
•
Switching threshold high
•
Resistance
Connection
Connection capacity
Permissible cable length
8.

Ordering data

As accessory: WZU-MB G4 or WZU-MI
© 2021 Siemens Switzerland Ltd.
Siemens Smart Infrastructure
EN 1434-3; EN 13757-2; EN 13757-3
EN 60870-5
yes
rigid or flexible, 0.25 ... 0.75 mm²
flexible with wire end ferrule, 0.25 ... 0.75 mm²
any
50 V DC maximal
1 M-bus load (1.5 mA)
300, 1200, 2400, 4800 or 9600
see TKB3448
2
5 years of operation + 1-year storage duration
*)
*) if the M-bus voltage is applied for at least 90%
of the operating time, the battery life increased to
10 years
Class IB per EN 1434-2
max. 10 Hz
≥ 50 ms
≥ 50 ms
0.01 liters / pulse, in steps of 10.000.00 liters /
pulse, in steps of 0.01 liters / pulse
in m³, 7-digit; acc. to parameter setting with or
without 1 decimal place
yes, must be correct if transmitter is of type "open
collector"
yes
no
approx. 3.3 V
approx. 1 MΩ
approx. 3 µA
< 0.2 V
< 50 kΩ
unconnected collector
≥ 6 MΩ
Strip-back length 5 mm
rigid or flexible, 0.25 ... 0.75 mm²
flexible with wire end ferrule, 0.25 ... 0.75 mm²
max. 10 m
A6V12318596_----_a
Siemens Switzerland Ltd
Smart Infrastructure
Global Headquarters
Theilerstrasse 1a
Tel. +41 58 724 2424
www.siemens.com/buildingtechnologies
2021-01-28
CH-6300 Zug
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