ABB TTR200 - Installation in Ignition Protection Areas; Zone 0; Zone 1 (20)

Electrical connection
OI/TTR200-EN TTR200 19
Pos: 14.19 /Elektri scher Anschluss/Temper atur/TTR200/Ins tallation im explosio nsgefährdetem Bereic h @ 15\mod_1195572347828_ 3101.doc @ 141910
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
Zone 0 Explosion-protection zone 0 Safety area
Fig. 8
A Sensor
B Transmitter in housing with IP 20 level of
protection
C Power supply [EEx ia]
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.