FDX-S Series User Guide
32
9
Operation
9.1 Powering on/off
Turn on the “POWER” switch of the rear panel to power on the FDX-S.
For redundant power supply unit, turn on one of
“POWER 1” and “POWER 2” switches and then turn on the
other switch within five seconds. If turning on the other switch after six seconds past, it is detected as an
alarm and the front display flashes. To stop the alarm, power on both of
“POWER 1” and “POWER 2”
switches.
To shut down the FDX-S, turn off both switches within five seconds.
With redundant power supply
[Fig. 9.1]
“POWER 1” and “POWER 2”
After powering on the FDX-S, there is a short initialization delay before the first communication command
can be received and executed. Predictable behavior during power up can be maintained by observing the
recommended delay periods listed below.
[Table 9.1] Power up period
Operation
Delay period
Receiving communication command
15 seconds or longer
Receiving front panel operation
15 seconds or longer