IWM-MB4 Wired M-BUS module WDE-K50

B-Meters IWM-MB4 Wired M-BUS module WDE-K50

The IWM-MB4 is an integrated module that can be used with the Woltmann WDE-K50 line of water meters to transmit consumption data over a cable M-BUS network.

It is simple to install and set, and in addition to providing data on current consumption, it enables the detection of potential water leaks downstream of the meter, prolonged operation at maximum flow rate (Q4), and many sorts of attempted meter fraud.

The application is immune to the vibrations of the pipes thanks to the employment of an inductive target in the meter dial, which also eliminates the potential of magnetic fraud.

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Features
Technical Features

Analysis of consumption with adjustment for reverse flow.
Fraud detection (module removal, manipulation with the external magnetic field, reverse flow, and water leakage).
Every alarm is noted and reported in the M-BUS telegram the module sends.
Installation of the module is possible even in tough settings thanks to IP68 protection*.
A straightforward smartphone app can be used to configure and commission a device having NFC interface.

Protocol	MBUS EN13757-2\3
Cable length	1.5 meters
Compatible water meters	WDE-K50
Sensitivity measure	10 liters (up to DN125) or 100 liters (from DN150)
Reverse flow	Activate for the backward flow amount after user-settable threshold
Energy supply	Non-replaceable lithium battery, rechargeable (automatic recharge from the BUS network). Backup for measuring function in absence of BUS voltage
Protection class	IP68***
Weight	151 g
Size (l x p x h)	100 x 100 x 25 mm
Working Temperature	+1° / +55°C
Transmitted data	Volume (consumption), alarms
Alarms	Discharged battery, module removal, magnetic fraud attempt, backward flow, leakage detection
Module programming requirements	• Android device (smartphone, tablet, etc.) with an NFC interface and the NFC IWM Config APP freely downloadable from GOOGLE PLAY • Any M-BUS level converter and Windows PC with B M-BUS software installed (or other M-BUS softwares).