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L M T 1 0 0 A N D L M T 2 0 0 | M A G N E TO S T R I C T I V E L E V E L T R A N S M I T T E R S | F F O I/ L M T 1 0 0/ 2 0 0/ F F - E N R E V. A
21
Integrated lightning protection
The transmitter housing must be connected using the
grounding terminal (PE) by means of a short connection with
the equipotential bonding Equipotential bonding minimum
diameter of 4mm (AWG 12) is required throughout the cable
routing area
In case of transmitters with integrated lightning protection
(optional), the intrinsically safe circuit is connected to the
equipotential bonding for safety reasons
• For Foundation Fieldbus version, the terminal with surge
protection is as below:
Figure 20 FF Terminal board with surge option
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