MADDALENA Flowpulse

MADDALENA Flowpulse

FlowPulse is a static pulse emitter designed to integrate Maddalena MVM, MVM PLUS C and WMAP EVO water meters into remote reading, dosing and monitoring systems. Based on a microprocessor and an inductive electronic sensor, it enables reliable pulse detection without affecting the meter’s metrological performance. The five-conductor structure allows pulse, flow direction, fraud signalling, ground and forward pulse counting to be managed. Thanks to its IP68 protection rating, environmental class C and electromagnetic class E2, FlowPulse is suitable for demanding technical applications. It can also be installed at a later stage on pre-equipped meters, simplifying upgrades and retrofits of existing systems.

MADDALENA FLOWPULSE

• Static pulse emitter with NPN open collector output.
• Equipped with microprocessor and inductive electronic sensor.
• Five-conductor cable for complete signal management.
• Detects removal from the meter, useful for fraud signalling.
• Discriminates flow direction, distinguishing forward and reverse flow.
• Insensitive to mechanical vibrations.
• Can also be installed at a later stage on pre-equipped meters.
• Does not affect meter performance.
• Configurable with dual pulse output.
• IP68 protection rating

TECHNICAL SPECIFICATIONS

Specification Value
Type Microprocessor, inductive pulser
Maximum pulse frequency 4 Hz
Protection rating IP 68
Operating temperature -10 °C ÷ +55 °C
Storage temperature -20 °C ÷ +70 °C
Electromagnetic class E2
Environmental class C
Power supply 3 V lithium battery
Battery service life 15 years (average duration under standard conditions)
Standard temperature profile
used to calculate battery life
between -10 °C and +0 °C for 10% of the service life
between 1 °C and +30 °C for 80% of the service life
between +31 °C and +55 °C for 10% of the service life

OUTPUTS

Specification Value
Digital outputs (5 wires) Pulse output, flow direction, fraud detection, ground, forward pulse counter
Output type NPN open collector, 30 V cc, 50 mA cc
Pulse duration 125 ms
Pulse factor MVM / MVM PLUS C
DN 15–DN 32: 1 pulse/litre
DN 40: 1 pulse/10 litresWMAP EVO
DN 50–DN 100: 1 pulse/10 litres
DN 125–DN 200: 1 pulse/100 litres
Cable length 2 m

COMPLIANCE WITH STANDARDS

EMC Directive 2014/30/EU RoHS Directive 2011/65/EU and subsequent revisions
EN 61000-6-3:2007 UNI EN14154-3:2005
EN 61000-6-2:2005 EN 50581:2012
EN 62368-1:2014 + AC:2015 + AC:2017 + A11:2017

Dimensions

Connections

Conductors Signal Description
White Pulses Signal both with forward flow and reverse
flow
Yellow Direction Contact closed = reverse
Green Fraud Contact open = fraud
Brown Ground Common
Grey Forward pulses In case of reverse flow, the meter internally
records the volume up to a maximum of
1,000 pulses. When normal flow is restored,
no pulses are generated until the previously
totalised volume value has been reset to
zero.
For installation information, please refer to the instruction sheet.

 

Compatible devices