Installation In Ignition Protection Areas; Zone 0; Zone 1 (20) - ABB TTR200 Operating Instructions Manual

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5.5.1

Installation in ignition protection areas

Transmitters can be installed in a wide variety of industrial sectors. Systems that requires
ignition protection are divided into zones. As a result, different instruments are also required.
For additional information, refer to the section "Explosion-protection relevant information" or the
data sheet.
5.5.2

Zone 0

Transmitter design: II 1G EEx ia IIC T6
Fig. 8
A Sensor
B Transmitter in housing with IP 20 level of
protection
For instruments in zone 0, the input for the repeater must be in [EEx ia] design.
When using the transmitter in zone 0, make sure you prevent electrostatic charging of the
temperature transmitter (observe warnings on equipment).
The sensor must be used by the user in accordance with applicable ignition-protection
standards.
OI/TTR200-EN
Zone 0 Explosion-protection zone 0
C Power supply [EEx ia]
TTR200
Electrical connection
Safety area
19