Ashcroft GC52 - Rangeable wet/wet Differential Pressure Tra Bedienungsanleitung Seite 12

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12
Display
Wire terminals
Wire
Turn with a screwdriver
LCD clips (4)
Display board
Power supply
terminal block
• Remove cover and carefully remove the display to access the terminal strip,
take care not to mishandle the display and associated electronics.
• Turn display over to expose terminal strip, make positive and negative connec-
tions; insert wire equal to the recommended strip length (0.25˝).
• After completing connections, align the retaining clips of the display with the
housing’s notches and carefully place into the housing. Be sure that the inter-
nal sensor ribbon cable does not cross the power supply lines just installed.
• Be sure to properly tighten the sealing grommet when using the Cable Gland
before applying tension to the cable; the cable gland provides strain relief and
environmental sealing.
Tighten GC52 cover to maintain environmental rating.
• Connect to power source and receiver, than apply power to confirm correct
wiring.
• Power Supply Requirements: Although the 4-20mA signal can travel over long
distances, a very common issue to arise involves inadequate power at the
pressure transmitterthis results in voltage drop across the loop. Be sure to
review the accompanying table to determine whether the 12-36Vdc has been
received at the pressure transmitter.
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