Honeywell ALERTON ACM-VLX Installation And Operation Manual page 70

Installation and Operations Guide
70
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ACM-VLX/VLX/EXP/AXM
Table 17
Te s t de s criptions and corre s ponding diagnos tic LED patte rns
Te s ts De s c riptio n
1
S RAM data bus te s t
ope n line s on the VLX/VLX-Platinum S RAM
data bus . The te s t write s a s e rie s of data
value s , e ach with a s ingle bit s e t, to diffe re nt
S RAM locations .
2 S RAM addre s s bus te s t Is olate s s horte d or
ope n addre s s line s on the VLX/VLX-Platinum
S RAM addre s s bus .
3 S RAM data c e ll te s t Ve rifie s that e ach
S RAM ce ll is functional. Each ce ll is writte n to
and the n value s are ve rifie d with two te s t
patte rns .
4 EEPROM S PI inte rfac e te s t Ve rifie s that
VLX/VLX-Platinum EEPROM is pre s e nt and
re s ponds corre ctly to VLX/VLX-Platinum
re que s ts to re ad and write data.
5 EEPROM data re te ntio n te s t Ve rifie s
inte grity of EEPROM data ce lls . Re ads curre nt
EEPROM data, write s data to e ach ce ll, re ads
data back, and the n re s tore s original data.
6 Re al-time c lo c k te s t Ve rifie s that the re al-
time clock compone nt is pre s e nt, re s ponds
corre ctly to VLX/VLX-Platinum commands , and
ke e ps accurate time .
7 DUART inte rfac e te s t Ve rifie s that the s e rial
DUART us e d for MS TP and EXP/AXM
communications is pre s e nt and re s ponds
corre ctly to VLX/VLX-Platinum commands .
The te s t ve rifie s that the DUART re gis te rs hold
.
writte n value s
8 MS TP c o mm. c hanne l te s t Ve rifie s that the
onboard MS TP channe l is ope rational.
9 EXP c o mm. c hanne l te s t Ve rifie s that the
onboard EXP/AXM communications channe l is
ope rational.
10 PTP c o mm. c hanne l te s t Ve rifie s that the
s e rial communications controlle r is ope rational.
All te s ts comple te --OK
© Honeywell. All Rights Reserved. LT-VLXEXPAXMIOG Rev. 01
LED patte rns
CPU S YS
ON
Is olate s s horte d or
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Flas h ON the n OFF.
ROC DDC
OFF OFF OFF
ON OFF OFF
ON OFF OFF
OFF ON OFF
OFF ON OFF
ON ON OFF
ON ON OFF
OFF OFF ON
OFF OFF ON
ON OFF ON