Appendix 8
Display Lamps
Appendix 8
Display Lamps (LED diodes)
SF-CA card
Number
Description
LED1
Lights when the converter regenerates.
LED2
Lights when the base of the inverter/converter tran-
sistor cuts off.
Watchdog alarm.
Lights when the power is turned on or
LED3
the machine is reset.
In the bus linkage state,
lights until the NC startup initializing operation is
completed.
LED4
LED9
Status display and alarm display
LED10
Lights when the converter voltage is charged.
SF-TL card
Number
Description
Encoder circuit breakage detection.
SF-PW module
Description
Puts off when the AC input votlage is not supplied.
Puts off when the DC voltage terminals
and
of the block A are shortcircuited to
the ground.
Summary of Contents for FREQROL-SF
Page 100: ... 3 Display lamps See Appendix 8 2 4 Check terminals See Appendix g 3 95 ...
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