Tres 900 - Page 21

Troubleshooting Guide
Troubleshooting

Guide
Q: TagdatatopanelisscrambledorReaderbeepingandhostnotresponding
–
OneormoreoftheReader’swirin
g
connectionsareincorrect.Powerdownthe
g
receiver/panelandverifythewiringconnectionsarecorrect.CheckthatData0
(GREEN wire),Data1(YELLOW wire)andground(GRAY)areproperlyattached
betweenthetres900tothehostpanel.
– EarthGroundshouldterminateatthebackoftheReaderthroughthemounting
bk hhh d l d i (ifd)
b
rac
k
etsort
h
roug
h
t
h
eRea
d
ersPowerSupp
l
yGroun
d
w
i
re
(
negat
i
ve
f
ee
d)
.
– CablebetweenReaderandpanelistoolong,checkWiegandspecifications
– Checktoinsurethetres900tagnumberandsitecodeareproperlyprogrammed
inthehostpanel.
– ChecktheWiegandtimingthatyourhostislookingforandinsuretheirtiming
schemeiswithintheSIAstandardparameters.
Q: ReadRangetooshort
–
G
r
ou
n
d
l
oop

cou
l
d

be

a
ni
ssue
h
e
r
e,

see
if
ea
r
t
h
g
r
ou
n
d

te
rmin
ates

at

t
h
e
r
eade
r
.

Gou d oop cou d be a ssue ee,see ea t gou dte ates at teeade .
Checkbypoweringreaderwithoutreadergroundwireconnected.Earthground
shouldterminateattheReader,checkyourpanelorpowersupply.
– TagorientationshouldbeinaverticalpositionfortheReadersAntenna
maximumperformanceanddistance.
RevC
21