Yokogawa YVP110 - Manual (Page 21)

<1. Notes on Handling>
1-10
IM 21B04C01-01E
Note 7. Ex ic Installation
• All wiring shall comply with local installation
requirements (refer to the installation
diagram)
F0108.ai
Valve Positioner
Installation Diagram
Hazardous Area Non-hazardous Area
Associated Apparatus
+
− +
−
Electrical Data: Ui = 32 V
Ci = 3.52 nF
Li = 0 μH
Note 8. Ex ic Specific Conditions of Use
WARNING
• Electrostatic charge may cause an explosion
hazard. Avoid any actions that cause the
generation of electrostatic charge, such as
rubbing with a dry cloth on coating face of
product.
• When the lightning protector option is
specified (/A), the apparatus is not capable
of withstanding the 500V insulation test
required by EN60079-11. This must be taken
into account when installing the apparatus.
• WHEN THE AMBIENT TEMP.≥70°C, USE
THE HEAT-RESISTING CABLE AND
CABLE GRAND≥90°C
• POTENTAIAL ELECTROSTATIC
CHARGING HAZARD – SEE USER’S
MANUAL
Note 9. Ex nA Installation
• Screws of terminals for field wiring
connections shall be tightened with specified
torque values: 1.2 N·m
WARNING
When using a power supply not having a
nonincendive circuit, please pay attention not to
ignite in the surrounding flammable atmosphere.
In such a case, we recommend using wiring
metal conduit in order to prevent the ignition.
Note 10. Ex nA Specific Conditions of Use
WARNING
• Electrostatic charge may cause an explosion
hazard. Avoid any actions that cause the
generation of electrostatic charge, such as
rubbing with a dry cloth on coating face of
product.
• WHEN THE AMBIENT TEMP.≥70°C, USE
THE HEAT-RESISTING CABLE AND
CABLE GRAND≥90°C
• POTENTAIAL ELECTROSTATIC
CHARGING HAZARD – SEE USER’S
MANUAL
• DO NOT OPEN IN AN EXPLOSIVE
ATMOSPHERE WHEN ENERGIZED
(2) Electrical Connection
The type of electrical connection is stamped near
the electrical connection port according to the
following marking.
Location of the marking
Screw Size Marking
ISO M20 × 1.5 female
ANSI 1/2 NPT female
M
N
F0109.ai
(3) Installation
WARNING
All wiring shall comply with local installation
requirement and local electrical code.