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Construction and function
5.3
Brief description
The volume converter EK205-M is an explosion-protected, electronic device that calculates from
a volume of a gas determined by an external meter in operating mode the volume in normal mode
and therefore the energy share of the relevant gas volume.
In addition, using the registration function, the reporting inputs / outputs, the serial and optical
data interfaces of the device, the gas load of a line can be monitored, registered and passed on.
The recording of the status parameters required for this is carried out via an internally connected
pressure sensor and a temperature sensor. When using the EK205-M as a Temperature
Conversion Device, the momentary values of temperature are measured, and the pressure is set
as a constant. As an operating element of the EK205-M, an alphanumerical display and a
keyboard on the front side of the device are available.
5.4
Connections
The Volume Conversion Device EK205-M has connection options for:
◼
Two batteries
◼
External supply for the basic device
To monitor and register the calculated data and to pass on the data and program its functions, the
following are available:
◼
2 meter and reporting inputs DE1, DE2
◼
2 pulse and reporting outputs DA1, DA2
◼
Serial data interface
◼
Optical data interface
Details on the connection options of the EK205-M and the deliverable equipment
variants can be found under section 4 Technical data and under section 5.5 Cable
glands.
5.5
Cable glands
The following cable diameters are possible for the existing cable glands:
Cable gland
M12 x 1.5 Ex e II, plastic, black
Cable diameter
4.0 – 7.0
33
Unit
mm
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