HYDROMETER HYDRUS Instrucciones De Instalación Y Funcionamiento página 16

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BATTERY POWER SUPPLY (one or two batteries)
· Standard version with one 3.6 V DC lithium battery with a
battery lifetime of up to approx. 12 years depending on con-
figuration and installation location.
· Meter version with two 3.6 V DC lithium batteries with a
battery lifetime of up to approx. 16 years depending on con-
figuration and installation location.
Note: Batteries cannot be retrofitted or replaced!
PIN ASSIGNMENT OF CABLE
The M-Bus, L-Bus or pulse variant of the meter is supplied with a
1.5-m long 3-wire cable with wire end ferrules.
Version/colour
white
brown
green
Galvanic isolation: Because of possible damage should be
avoid a potential tension between the ground connection of the
L-Bus / Pulse output and the meter housing (brass).
READING DATE FUNCTION
The consumption values are stored in the memory on the set
reading date and kept until the next reading date. They can be
read off the display or transmitted over the M-Bus or optical
interface. The reading date can be programmed as required. Ex
works default setting = 31.12 of the year of delivery.
Pulse L-Bus/pulse
Pulse 2 Pulse 2
GND GND (ground)
(ground)
Pulse 1 L-Bus
M-Bus (2-wire)
M-Bus
–
M-Bus