73
CK +
CK –
+
–
External grounding terminal
7.3 Grounding
The transmitter must be grounded as below:
1- Standard location use
Grounding terminals are provided at two places (at the inside of terminal box and on the
side of conduit connection).
By any of the methods given below, ground the transmitter in compliance with the relevant
stipulation in the standard on explosion proof installation (for example, grounding resis-
tance 100
Ω
or less by one of the methods given below).
2- Hazardous location use
In case of intrinsically safe and
fl
ame proof installation, be sure to use the ground terminal
for grounding.
Grounding of transmitter casing
Grounding from ground terminal
