User's Manual

Chapter Four Troubleshooting
Man_455U-D Rev 3.01 Page 59
S-Register Meaning
S9 Radio signal strength of last radio message received
S12 Reason for radio link resetting in Acknowledged mode - refer App C for codes.
S31 Radio Flags, 0 for All OK, Otherwise some Radio faults. The fault code is generating
by adding the following numbers:
1 indicates Radio shutdown from over-temperature
2 indicates Radio shutdown due to PTT Timeout
4 indicates radio Phase-Locked-Loop failed to lock
8 indicates SWR fault (Antenna missing or faulty)
S32 Module Temperature (Subtract 50 to get temp in deg C)
S33 State of Digital I/O point or status of Dual Redundancy system
S34 Battery Input Voltage (Units 0.1Volt)
S35 Supply Input Voltage (Units 0.1Volt) (0-25.5 Volts)
The diagnostic information can be viewed using the configuration program while the 455U-D is
online, by connecting via the secondary RJ45 RS232 port.
The information is displayed under the “Radio Stats” tab on the right-hand side and the
information refreshed (read from the connected module) by selecting the “Reload Radio
Statistics” icon on the Toolbar.