<3. Installation>
3-6
IM 12K01B02-01E
3.4 Wiring
3.4.1 Grounding
• Class D grouding (ground resistance 100 V or less) should be performed.
• Make sure to ground to the grounding bolt.
Position of grounding bolt
CAUTION
• The pole stand and base illustrated are typical examples Appearance and size may vary
depending on specifications.
• Make sure to perform grounding of the installed unit to prevent electric shock.
3.4.2
Power Supply
• Connect the power cord to the power source according to “2.6 Connection Diagram”.
• Use a power cable of size 1.25 mm
2
(AWG16) or larger.
• Connect a surge absorber or noise killer in parallel to the power line in order to prevent
electric power noise.
3.4.3
Connecting Signal Lines
• Connect the signal lines according to the signal table.
• Use double shield cables for current output signal lines. The shield should be grounded at
the receiver.
• Connect a surge absorber or noise killer in parallel to the contact output signal line in order
to prevent electric power noise.
CAUTION
Never connect the power line to the signal line wiring. It may cause the unit malfunction.
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