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

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.

7.6 Analogue output function module

The module has 2 passive analogue output connections which are freely
programmable using the IZAR@SET software. On the terminal strip, the
electrically isolated outputs "1" and "2" are marked and the polarity is
indicated ("+" and "-").
ƒ
passive, external power
supply: 10 to 30 VDC
ƒ
Current loop 4 to 20 mA
whereby 4 mA = 0 value;
20 mA = programmed
max. value
ƒ
Overload up to 20.5mA,
then fault current
ƒ
The module displays errors
with 3.5mA or 22.6mA
(programmable)
ƒ
Output values: power, flow, temperatures
The module is connected to the counter electronics by a ribbon
cable. The separate plug on the module slot 2 is necessary for
the proper function of the analogue outputs.
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