Pulse Output Function Module; Combined Function Module (In/Out) - Diehl Metering 548 Manual De Instalación

7.4 Pulse output function module

The module is equipped with 2 pulse outputs, which can be freely pro-
grammed using the IZAR@SET software. The outputs are indicated as "O1
- " and "O2 - " on the terminal strip and as Out1 and Out2 in the display.
ƒ
External supply:
Vcc = 3-30 VDC
ƒ
Output current ≤ 20 mA
with a residual voltage of
≤ 0.5 V
ƒ
Open Collector (Drain)
ƒ
electrically insulated
ƒ
Output 1: f ≤ 4 Hz
Pulse width: 100 - 150 ms
Pulse duration: 125 ms ±
10 %
Pulse pause: ≥ 125 ms –
10 %
ƒ
Output 2: f ≤ 100 Hz
Pulse duration / pulse
pause ~1:1
ƒ
The volume pulse weight-
ing can be freely pro-
grammed
ƒ
Standard: last digit in the
display

7.5 Combined function module (IN/OUT)

The combined module has 2 inputs and 1 output.
See chapter 7.3 for the specific
characteristics on the pulse
input.
The pulse output has the same
characteristics as pulse output
1 specified under 7.4. It is not,
however, electrically isolated.
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