88
66
55
44
22
11
1414
1313
99
1212
1010
IllustrIllustration 6-8. ation 6-8. DPDP, DT Latching Relay, DT Latching Relay
30mm Proximity Switches30mm Proximity Switches(Illustration 6-9)(Illustration 6-9).. TheThe
proximproximity switches employed ity switches employed on on TTaylor equipmentaylor equipment
are state-of-are state-of-the-art swthe-art switching deviitching devices. ces. The redThe red
wire of the proximity switch powers the proximitywire of the proximity switch powers the proximity
switch itself and also powers the red L.E.D. on theswitch itself and also powers the red L.E.D. on the
cable side of the proximicable side of the proximity switty switch. ch. The black wirThe black wiree
is the ground side of the proximity switch while theis the ground side of the proximity switch while the
white wire is the common post of the internalwhite wire is the common post of the internal
switcswitch. h. The blue wirThe blue wire is the normal cle is the normal closed post ofosed post of
the internal switch and the orange wire is the nor-the internal switch and the orange wire is the nor-
mally open post of the internal switch.mally open post of the internal switch.
The proximity switch will be energized when theThe proximity switch will be energized when the
proximproximity swiity switch senses its tartch senses its target. get. Once this hap-Once this hap-
pens, the red L.E.D. will illuminate and the internalpens, the red L.E.D. will illuminate and the internal
switch will switch, closing the circuit of the whiteswitch will switch, closing the circuit of the white
and orange wirand orange wires. es. The whitThe white and orange wire and orange wireses
will have continuity between them only as long aswill have continuity between them only as long as
the proximithe proximity switcty switch senses its targeth senses its target. . The maxi-The maxi-
mum targeting distance is approximately 3/8”.mum targeting distance is approximately 3/8”.
The most effective way to troubleshoot the prox-The most effective way to troubleshoot the prox-
imity swimity switch is wititch is with an ohmmeterh an ohmmeter. . This can beThis can be
accomplished by disconnecting the weatherpackaccomplished by disconnecting the weatherpack
connector (located approximately 3 foot from theconnector (located approximately 3 foot from the
proximity switch), jumpering the red wires at eachproximity switch), jumpering the red wires at each
end and jumpering the black wires at each end.end and jumpering the black wires at each end.
Target the proximity switch (the red L.E.D. shouldTarget the proximity switch (the red L.E.D. should
illuminate) and check the continuity of the whiteilluminate) and check the continuity of the white
and orange wires located on the proximity switchand orange wires located on the proximity switch
side of the wside of the weatherpack. eatherpack. The ohmmetThe ohmmeter shoulder should
indiindicatcate a e a readireading of 0 ng of 0 - 40 ohms. - 40 ohms. RemRemove theove the
target from the proximity switch and with an ohm-target from the proximity switch and with an ohm-
meter, check the continuity between the white andmeter, check the continuity between the white and
orange wirorange wires. es. The ohmmetThe ohmmeter should now er should now readread
infinity infinity If these two checks arIf these two checks are good, the proximitye good, the proximity
switcswitch is good. h is good. If one of these checkIf one of these checks fails, ts fails, thehe
proximproximity swiity switch is bad and must be repltch is bad and must be replaced. aced. DoDo
not rely on the red L.E.D. as a sole indicator thatnot rely on the red L.E.D. as a sole indicator that
the internal swthe internal switch did, in facitch did, in fact, close. t, close. AlwaysAlways
check the continuity between the white andcheck the continuity between the white and
orange wires as described above.orange wires as described above.
REDRED
BLACKBLACK
BLUEBLUE
WHITEWHITE
ORANGEORANGE
NCNC
COM.COM.
NONO
L.E.D.L.E.D.
IllusIllustration 6-9. tration 6-9. ProximProximity Switcity Switchh
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