WIKA F-20 Betriebsanleitung Seite 10

5. Starting, operation
Wiring details
Field case (with internal
EN
spring clip terminals)
2-wire
3-wire
Wire gauge
Ingress protection per
IEC 60529
Cableconnection in the spring clip terminal
Cover the stripped wire ends with end splices.
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Unscrew the case cover.
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Loosen the cable gland using an open-end wrench, wrench size 24.
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Lead the cable through the cable gland into the opened case head.
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Press the corresponding plastic lever at the spring clip terminal down using a screw driver, so that the clamped
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contact will be released.
Lead the prepared flying lead into the opening and let go of the plastic lever, so that the flying lead will be squeezed
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inside the spring clip terminal.
After connecting the individual wires, tighten the cable gland and screw down the case cover.
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Function of the test circuit for 2-wire
By means of the test circuit the current can be metered during normal operation without having to disconnect the
instrument. For that purpose you have to connect an ammeter (internal resistance < 15 Ohm) to the test +/- terminals.
10
U+ = 1 U- = 2
U+ = 1 U- = 2
7 ... 13 mm
IP67
WIKA operating instructions pressure transmitters, models F-20, F-21
Test+ = 3 Test- = 4
S+ = 3 screen = 5
screen = 5