3.6
Connection of MyPro in Ex area
Connection of MyPro CLM 431-G
The CLM 431-G instrument approved
according to directive 76/117/EEC may be
installed in Ex area 1 or 2. Observing the
European directive IEC 60079-14, the
intrinsically safe sensor circuit (ia) may also
pass through zone 0.
Connection of MyPro CLM 431-H
The CLM 431-H instrument approved
according to directive 76/117/EEC may be
installed in Ex area 1 or 2. Observing the
European directive IEC 60079-14, the
intrinsically safe sensor circuit (ia) may also
pass through zone 0.
Connection of MyPro CLD 431-H
The CLD 431-H instrument approved
according to directive 76/117/EEC may be
installed in Ex area 1 or 2.
Only devices with an intrinsically safe output
circuit may be connected to Ex versions of
the measuring transmitter.
Warning:
The display and connection
compartment covers must remain
closed during operation.
Note:
Also observe the safety notes for
instrument installation in explosive
atmospheres in chapter 2.7 of these
operating instructions.
Ex zone 1
Control room (non-Ex)
ia circuit
(sensor)
ib circuit
(signal output / power supply)
LM431-EX.CDR
Ex zone 0 / 1
Fig. 3.20
Measuring transmitter and
measuring cell in Ex area
LM431CE3.CHP
mypro CLM 431 / CLD 431 conductive
Installation
Hauser
19
Содержание mypro CLD 431
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