Siemens 400 V / 210...590 A operating instructions Master AFE

Control and Status Words 01.2004

Bit 21: Reserved

Bit 22: Reserved

Bit 23: Reserved

Bit 24: Reserved

Bit 25: Reserved

Bit 26: External fault 2 command (L "External fault 2")

Condition	LOW signal; Command is not activated until converter switches to
	READY TO RUN (011) and elapse of a 200 ms timer.
Result	♦ FAULT (007) and fault message (F036).
	The inverter pulses are inhibited and the main contactor (if installed)
	opened.
	See Section "Fault and alarm messages".

Bit 27: Slave/master drive command (H "Slave AFE") / (L "Master drive")

Slave AFE	♦ The closed-loop control operates with an external line active current
	setpoint.
	The DC link voltage is specified by the master AFE.
Master AFE	♦ The closed-loop control operates with an internal line active current
	setpoint (= output of DC link voltage controller). The DC link voltage
	is maintained constantly at the set value.

Bit 28: External alarm 1 command (L "External alarm 1")

Condition	LOW signal
Result	♦ The converter continues to operate in its current status. An alarm
	message (A015) is output.
	See Section "Fault and alarm messages".

Bit 29: External alarm 2 command (L "External alarm 2")

Condition	LOW signal
Result	♦ The converter continues to operate in its current status. An alarm
	message (A016) is output.
	See Section "Fault and alarm messages".

13-12	6SE7087-6CX86-2BA1 Siemens AG
	Operating Instructions SIMOVERT MASTERDRIVES AFE