
100 Revision 10 – 1/09/2015 FTS 370d/w/r
Tower Monitoring Interface
Address Read/Write Register Name Description / Values
70 R Tower Status State
indicate a reportable status event such
as an alarm occurred)
71 R Tower Configuration State
254 (Increments indicate a tower configuration change
occurred)
72 R Controller Alarms/Indications
Bit 0: Indicates system powered up
Bit 1: Indicates power to the tower is off (POWER FAIL)
Bit 2: Reserved
Bit 3: Indicates low tower DC power (LOW DC)
Bit 4: Indicates a photodiode alarm, which is a 19 hour
mode change failure (PD ALARM)
Bit 5: Indicates Tower 485 com failure (SYS COMM)
Bit 6: Indicates GPS sync failure (GPS ALARM)
Bit 7: Indicates that a device has been discovered for which
the system has not been configured (CFG ALARM)
Bit 8: Indicates Override Mode
Bit 9: Indicates system is running a Lighting Inspection
Test (LI TEST MODE)
Bit 10: Reserved
Bit 11: Reserved
Bit 12: Indicates on multi-beacon systems that a failure to
sync has occurred (TWR SYNC)
Bit 13: Indicates that IR (Infrared) is not available or
supported by the attached beacon (IR N/A)
Bit 14: Indicates possible cross talk in PLC communication
(BIND ALARM)
73 R
Controller Alarms/Indications
Changed
Bit mapped alarm indications changed (same bit map as
register 72)
74 R
(DAY ALARM)
respectively
75 R
Changed
ets to 1 when an alarm transition
occurs. (Reserved)
76 R
Beacon White Night Alarms
(WNIGHT ALARM)
respectively
77 R
Beacon White Night Alarms
Changed
ets to 1 when an alarm transition
occurs. (Reserved)
78 R
(RNIGHT ALARM)
respectively
79 R
Changed
ets to 1 when an alarm transition
occurs. (Reserved)
80 R
Beacon Communication Alarm
(BCN COMM)
respectively
81 R
Beacon Communication Alarm
Changed
ets to 1 when an alarm transition
occurs. (Reserved)
82 R
Marker Alarms
(MKR ALARM)
set indicates a Marker Tier 1
The exact marker which has faulted can be found by
writing the correct value to register 240 and then reading
from register 296.
83 R Marker Alarms Changed
ets to 1 when an alarm transition
occurs. (Reserved)
84 R
Marker Tier Communication
Alarms (MKR COMM)
set indicates a Marker Tier 1
Alarm, respectively
85 R
Marker Tier Communication
Alarms Changed
ets to 1 when an alarm transition
occurs. (Reserved)
86 R
Operating Mode
Day (1), White Night (2), Red Night (3)
87 R
(IR ALARM)
respectively
88 R Beacon Infrared Alarm Changed
ets to 1 when an alarm transition
occurs. (Reserved)
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