2-15
2-3-3 Electrical Wiring Connection
This section describes the methods for electrical wiring for signal input from the controller
and signal output to the monitoring system.
Warning
Turn the power off before starting wiring work. Otherwise, electric shock may occur.
When using the explosion-proof 700 Series in a dangerous place, be sure to connect the
wiring while following “Chapter 7 Precautions for the Explosion-Proof 700 Series.”
Cautions
Be sure to perform grounding work following the electrical work guidelines in each region.
Handling Precautions:
Be sure to attach a blind plug to the unused conduit connection port so that it is
completely covered.
1) Connection positions
The figure below shows the terminal block in the terminal box.
Figure 2-16 Terminal Block in the Terminal Box
HART check pin
Terminal for output signals
M4 screw
Terminal for input signals
M4 screw
Terminal for internal grounding
M4 screw
Terminal for external grounding
M4 screw
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