05.2006 Control Word and Status Word
Siemens AG 6SE7087-6QX70 (Version AG)
SIMOVERT MASTERDRIVES Compendium Motion Control 10-9
10.2 Description of the status word bits
An overview of the status word can be found in function diagrams 200
and 210.
Bit 0: Message, "Ready to power-up" (H)
POWER-ON INHIBIT (008) or READY TO POWER-UP (009) status
♦ The power supply, the open- and closed-loop control are
operational.
♦ The inverter pulses are inhibited.
♦ If an external power supply and a main contactor (option)/bypass
contactor exist, it is possible that the DC link is still dead in this
converter status!
Bit 1: Message, "Ready" (H)
PRE-CHARGING (010) or READY (011) status
♦ The power supply, the open-loop and the closed-loop control are
operational.
♦ The unit is powered-up.
♦ Pre-charging has been completed.
♦ The DC link has reached the rated voltage.
♦ The inverter pulses are still inhibited.
Bit 2: Message, "Run" (H)
RESTART-ON-THE-FLY (013)
1
, RUN (014), OFF1 (015) or OFF3
(016)
♦ The unit is functioning.
♦ The inverter pulses are enabled.
♦ The output terminals are live.
Bit 3: Message "Fault" (H)
Fault (007) status
♦ A fault has occurred.
Output at the terminal strip with L signal.
1
The "Restart-on-the-fly" function has not been provided.
HIGH signal
Significance
HIGH signal
Significance
HIGH signal
Significance
HIGH signal
Significance
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