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PadPuls M4C

The PadPuls M4C is a pulse adaptor that connects up to four conventional meters with pulse output to a M-Bus system.

PadPuls M4C | Relay Australia | M-Bus | Automation Industries
  • Four separated pulse inputs

  • Safe detection for up to 18 pulses per second at each input

  • Pulse debouncing

  • Pulse value free adjustable

  • Unit free selectable (e.g. Wh, kWh, MWh, kJ, m3, l,...)

  • Counter length: 8 decimal digits

  • Due-date function with integrated realtime clock and 15 monthly values

  • M-Bus protocol according to EN13757-2 and -3

  • Fully parameterizable by M-Bus or optical interface including overwrite protection

  • Transmission rates: 300, 2400 and 9600 baud with auto baud detection

  • Fully operable in case of M-Bus failure by integrated battery

  • Dimensions W x H x D: 53 x 91 x 58mm

  • mounted on DIN rail

  • Counter and denominator of pulse value free selectable

  • Tariff mode: 2 pulse inputs and 2 tariff switch inputs or 230VAC signal

  • Pulse input status reported

PadPuls M4C Flow | Relay Australia | M-Bus | Automation Industries

Technical Data

Power supply

Remote supply by M-Bus with automatic switch to battery on bus fail

Bus operation

max. 1.5mA (1 unit load), no load of battery

Battery lifetime 0,23Ah

Batterie lifetime 1,80Ah

Operating temperature

0 .. 55 °C

Battery expectancy

Current draw typ. 8μA

Pulse inputs

max. 18 Hz

Potential-free contact

internal supply (3V, 30μA) debounce time 1ms

Contact voltage

Contact current

Cable pulse generator

Debouncing time



Contact duration

Temperature range

Pulse frequency

Tariff signal

Floating contact

S0 according to DIN43864

M-Bus protocol

according to EN1434-3


300, 2400 and 9600 baud (automatic detection)


Protective class


Transmission rate


primary and secondary

Card IM001

Housing IM001G

Housing IM001GC

Housing IM002GC

Mounting DIN rail
TS35 light grey plastic
W x L x H = 53 x 91 x 58 m

Order Information

Order Number



PadPuls M4C

Including configuration software MBCONF

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