AN-SM-038 Rev A 141117
Confidential
– Limited Distribution
Application Note
Using the FD322
as a Cable
Break Sensor
Page 1: ...AN SM 038 Rev A 141117 Confidential Limited Distribution Application Note Using the FD322 as a Cable Break Sensor...
Page 2: ...material to ensure its accuracy FSI makes no express or implied warranties of any kind with regard to the documentation provided herein FSI reserves the right to revise this publication and to make c...
Page 3: ...ched to the fence and an alarm processing unit APU is connected to the fiber The APU launches laser light into the fiber and by measuring the transmitted and reflected light the APU can tell when the...
Page 4: ...f the unit s calibration process Using the FD322 s custom Tuning Software to check the loss using the APU execute the CALIB command within the software s Terminal Mode as follows 1 Enter Terminal mode...
Page 5: ...e IP port is being used the processor will output a fault indicator via XML messaging when the cable is disconnected or cut Figure 3 below displays a screenshot from the FD322 Tuning Software reflecti...
Page 6: ...ne of the two channels was not connected the Fault relay would permanently be in a fault state and a red light would signal a fault on the unused channel The primary purpose of jumpering out the unuse...
