Siemens 400 V / 210...590 A operating instructions Bit 19 Reserved Bit 20 Reserved

01.2004 Control and Status Words

Bit 11: Reserved

Bit 12: Regenerative feedback enable command (H "Regenerative feedback enable")

Condition	HIGH signal
Result	♦ Regenerative feedback operation is enabled.
Bit 13: Reserved
Bit 14: Reserved

Bit 15: External fault 1 command (L "External fault 1")

Condition	LOW signal
Result	♦ FAULT (007) and fault message (F035).
	The inverter pulses are inhibited and the main contactor opened.
	See Section "Fault and alarm messages"

Bit 16: Monitoring of external 24 V voltage supply (L "24V not o.k." / H "24V o.k.")

Condition	LOW signal
Result	♦ Alarm A039 in operating states STARTING LOCKOUT (008) and
	READY FOR ON (009).
	♦ Fault F007 in operating states PRECHARGING (010), READY TO
	RUN (011) and RUN (014).
Bit 17: Reserved

Bit 18: Reserve data set RDS bit 0 command (L "RDS1" / H "RDS2")

Condition	READY FOR ON (009), PRECHARGING (010) or READY TO RUN
	(011)
	A HIGH signal activates RDS2, and a LOW signal RDS1.
Result	♦ The parameter settings of the appropriate reserve data set in the
	setpoint channel and closed-loop/open-loop control are activated.
	See Section "Function diagrams".
Bit 19: Reserved
Bit 20: Reserved

Siemens AG 6SE7087-6CX86-2BA1	13-11
SIMOVERT MASTERDRIVES AFE Operating Instructions