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5. Installation of the device
.
The device can be installed at the boundary of "Zone 0" and "Zone 1" (Figure 5) or in places
with classification lower than that.
The side under measurement should be „Zone 0". A mért oldal lehet a „0"-ás zóna. The device
should be operated by such power supply units only, that are classified as associated apparatus
in terms of intrinsical safety, and that meet the specified safety requirements, such as the power
supply unit DATCON DT1300 I4 xx, 18. See Chapter 8, Technical Specifications, for the limit
values pertaining to intrinsical safety.
Zone 0
6. Connecting of the device
.
A Hirschmann GDM 2009 type connector belongs to the electrical connection of the device.
When the connector is connected to the system, the system must be dead. First remove the
screw, and click out with a thin screwdriver from its place (see Figure 5 for the connection
terminals). The device is protected against reverse connection (up to 28 V). When the
connector is re-assembled, care must be taken to ensure that the seals are put back properly,
and that the retaining screw of the connector is tightened, or else the device may leak and get
damaged.
Terminal 1.:
Terminal 2.:
Terminal 3.:
Explosive area
Figure 5. Installation of the device
Figure 6. Connection of the device
negative (I-)
positive (I+)
not connected.
The fourth terminal is the earth bonding point.
Zone 1
7
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