Table of Contents
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Current consumption
Principle
Battery
Bus operation
Battery operation
Battery service life
In battery operation
M-Bus: physical characteristics
M-Bus quiescent current
Space (0-bit) current
M-Bus interface
PadPuls M1C User Manual
GmbH, Stettiner Str. 38, D-33106 Paderborn
Remote power supply from M-Bus with automatic
changeover to battery backup upon bus failure
Lithium 3V, model 2/3AA, 1700mAh
max. 1.5mA (1 unit load),
no battery loading
Max. 13µA at 25°C
Max. 15µA at 60°C
additionally 4µA with continuously closed contact
> 9 years at 25°C
> 7 years at 60°C
Max 50 million impulses per annum each
Service life minus 10% with additional 30 million
impulses per annum
typ. 1.25 mA, max. 1.5mA (1 unit load)
quiescent current + typ. 14 mA
TI TSS721 with 2 x 215Ω protection resistors
26.09.01, Version 1.3
15
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