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MLT 2 / BINOS
®
100 F
ATEX Instruction Manual
ETC01035
August 2005
Emerson Process Management Manufacturing GmbH & Co. OHG2 - 20
2-7-4 Category 3 Equipment Alarm Contacts
2-7-4 Category 3 Equipment Alarm Contacts
The Category 3 pressure monitor provides
alarm contacts activated when the pressure
inside the analyzer enclosure is outside the
limits.
This alarm loop operates in normally closed
connection mode.
The contacts are allowed to be connected
to signal circuitry (amplifier, relay) providing
output signals according NAMUR/
EN 50227 resp. [EEx ib] IIC only. The
standard specifies all essential data and
operating conditions.
Consult factory for applicable circuitry which
is available from various manufacturers.
Fig. 2-7
Pressure monitor: Terminal allocationand signal connection
0
3
1
2