Ista ultego III smart plus, Техническое описание

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Communication 19/26
9 Communication
Electronic unit interfaces
The meter is equipped with an optical interface in accordance with EN 62056-
21:2002 as standard.
Note: You can find further information in their respective documen-
tation.
9.1 M-Bus
If the meter is equipped with the option M-Bus, it is supplied with a 2-wire ca-
ble which you can extend by fitting a junction box.
Standard EN 13757-2 and -3
Reading interval >1 min @ 2400 baud
Note: Frequent turning on and off of the M-Bus voltage can lead to
reduction of battery lifetime.
9.2 Pulse output
The pulse output permits the transmission of energy or volume equivalent
pulses.
Two channels are available. Their functions can be parameterized with the
service software or can be adapted in the
“Para menu” of the meter.
Available are standard pulses or high-definition pulses.
The pulse duration is identical for channel 1 and channel 2.
Cable labelling passive pulse output
Cable 1.5 m; 4-wired, LL84201 4xAWG28 /
0.2 mm²
Cable diameter 4 mm
Output type open drain
Voltage max. 30 V
Current max. 30 mA
Dielectric strength 500 V
eff
against ground
Classification OB/OC (acc. to EN 1434-2)
ON/OFF resistance
<74 Ω / 6 MΩ
Output connection