EXCEL 12 MODULES
EN1B-0201GE51 R0905C
7
Troubleshooting
All models feature a L
ON
W
ORKS
service LED and
corresponding L
ON
W
ORKS
service button (accessible from the
outside on top of the module) for commissioning and
troubleshooting. When the service button is pressed, the
service pin message is broadcasted.
See Table 3 on page 8 for a description of the meaning of the
various different possible behaviors of the L
ON
W
ORKS
service
LED. For more information on standard service LED behavior,
refer to Motorola L
ON
W
ORKS
Technology Device Data
Manual, page AL-190.
Possible Problems and Recommended Actions
Check if switching the power OFF/ON changes the
L
ON
W
ORKS
service LED's behavior. Please contact Honeywell
if this does not solve the problem.
lo
ng hou
s
ing
(
w
ith built-
in transformer):
1
80 m (7-7/8
in.)
Short
housing (w
it
hout
transformer):
126 mm (4-15/
16 in.
)
leverage slot
LonWorks
service button
LonWorks
service LED
ventilation slits
Fig. 9. Housing (top view)
Accessories
Swivel Label Holders
For short or long housings (required for modules equipped
with manual override switches). Packs of eight.
•
24 Vac models (short), order no.:
XAL_LAB_S
•
line power supply models (long), order no.:
XAL_LAB_L
Terminal Protection Covers
For short or long housings (required for wall/ceiling mounting).
Packs of eight.
•
24 Vac models (short), order no.:
XAL_COV_S
•
line power supply models (long), order no.:
XAL_COV_L
L
ON
W
ORKS
Termination
One or two L
ON
W
ORKS
terminations are required, depending
on the given LonWorks bus layout.
Two different L
ON
W
ORKS
terminations are available:
•
L
ON
W
ORKS
termination module, order no.:
209541B
•
L
ON
W
ORKS
connection / termination module (mountable
on DIN rails and in fuse boxes), order no.:
XAL-Term
3
4
L
O
N
Honeywel
l
XAL-Term
L
O
N
removable screw-type
3-pole terminal block
1
5
3
4
0
6
shield
shield
LON
Termination
FTT/LPT Bus
FTT/LPT Free
Park Position
plug-in
jumper
Fig. 10. L
ON
W
ORKS
connection and termination module