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Example of how to install Controller into an environment where
hazardous voltages may exist is shown below.
Make sure
installed
system has
basic
insulation
Heater Break
Circuit
Example Diagram To Explain The Meaning Of Creepage and
Clearance Distances Is Shown Below
Communication card
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EXAMPLE INSTALLATION DIAGRAM
TO MAINTAIN SAFETY OF CONTROLLER
Thermocouple, RTD,
Voltage or Current
X
Y
Make sure installed system
has basic insulation around
this connection
24V mains
supply
Expansion card
Except for the edge connector which
plugs into the host's expansion slot,
X
clearance distance (X mm) and
creepage distance (Y mm) as given in
the table above, must be maintained
between the controller and any other
assemblies which use or generate a
Y
hazardous voltage.
14
Controller
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