TDK 750W HALF RACK technical manual Conditional Registers, Txd

	Command Error (”Cnn”)					One response for every command
	Execution Error (”Enn”)					or query received.
						Response
	Query Response (”message”)					messages
	Command Response (”OK”)
			Status Registers			Serial
	LSB	Condition		Enable	Event	TXD
Constant Voltage		0	CV		CV
		1
Constant Current			CC		CC	“Inn” and CR
		2
No Fault			NFLT		NFLT
		3
Fault			FLT		FLT	SRQ
		4
Auto Start			AST	0	0	Messages
		5
Fold Enabled			FDE	0	0	One SRQ when SEVE goes
		6
Spare			0	0	0	from all zeroes to any bit set.
	MSB	7
Local Mode			LCL		LCL	Setting more SEVE bits does
		“STAT?”		“SENA xx”	“SEVE?”	not cause more SRQs.
				“SENA?”
						Positive Logic:
						0 = No Event
						1 = Event Occured
			Fault Registers
	LSB	Condition		Enable		Event
Spare		0	0			0
		1
AC Fail			AC			AC
		2
Over Temperature			OTP			OTP
		3
Foldback (tripped)			FLD			FLD
		4
Over Volt Prot			OVP			OVP
		5
Shut Off (rear panel)			SO			SO
		6
Output Off (front panel)			OFF			OFF
	MSB	7
Enable Open			ENA			ENA
			“FLT?”	“FENA xx”		“FEVE?”
				“FENA?”

Fig.7-7: Status and Error Registers Diagram

7.11.2 Conditional Registers

The fault Condition Register and the Status Condition Register are read only registers that the user may read to see the condition of the Power supply. Refer to Table 7-8 for description of the Fault Condition Register bits and Table 7-9 for the Status Condition register bits.

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83-507-5002 Rev. B