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<Read Me First>
IM 01W02E01-11EN
(2) Electrical Connection
• The type of electrical connection depends on the marking below on YFGW510.
Marking
The type of electrical connection
Note
M
M20 (ISO)
M20 X 1.5
A or N
ANSI 1/2 NPT
1/2-14 NPT
This marking is incused at the back side of the electrical connection block.
Marking
F12.ai
(3) Operation
WARNING
Take care not to generate mechanical sparking when access to the instrument and peripheral
devices in hazardous area.
• Electrostatic charge may cause an explosion hazard.
• Avoid any actions that cause the generation of electrostatic charge, such as rubbing with dry
cloth on coating face of product.
(4) Maintenance and Repair
WARNING
• After De-Energizing, delay 1 minute before opening.
• The instrument modification or parts replacement by other than authorized Representative
of Yokogawa Electric Corporation is prohibited and will void the EHSRs.
When opening the cover, the enclosure should be dry and clean to prevent the ingress of water
and dust.
