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SAFETY PARAMETERS OF FR-A800/F800
11
Diagnostic
If the failure detected, FR-A800/F800 output alarm signal and indicate ‘E.SAF’ at the display.
In case of FR-A800/F800 output the alarm, please take following action.
1) Check the S1-SIC and S2-SIC input signal logic is the same. If these are different logic, collect the input signal
and reset the FR-A800/F800.
2) Disconnect the wire from S1, S2, SIC terminal, then reset or power-off and on. If the ‘SA’ letter is flashed up at
display, there is failure in system except FR-A800/F800. But, still ‘E.SAF’ is displayed and alarm output, there
is malfunction on FR-A800/F800.
Self diagnostic test
FR-A800/F800 does the self-diagnostic test on the power-ON.
If FR-A800/F800 output alarm (SA, E.SAF) at power-up, please take the action described in ‘Diagnostic’ at
above.
Test procedure for functionality
As depicted ‘CAUTION’ in above, the test for the functionality is important.
Please do the test following procedure.
1) Please make each state of S1-SIC and S2-SIC depicted at Table.5.
2) If there is any different state from Table.5, FR-A800/F800 has some malfunction.
3) If there is no different state from Table.5, check the systematic performance, such as, press the emergency
switch, press the start/restart button at the failure detected (SO-SOC opened), and so on.
4) Finally clear the error record of the FR-A800/F800 (see the user manual how to clear the error record).
5 SAFETY PARAMETERS OF FR-A800/F800
The safety parameters of FR-A800/F800 are depicted as follows.
Table.6 Safety parameters of FR-A800/F800
Parameter Value
PFDAVG
5.16x10
-4
PFHD
5.89x10
-9
PL d
MTTF
D 670 years
DC
AVG 60%