TDK 1500W, 750W technical manual Status Enable Register, Status Event Register

3. Status Enable Register

The Status Enable Register is set by the user to Enable SRQs for changes in power supply status.

Table 7-12: Status Enable Register

BIT	Status name	Status symbol	Bit Set condition	Bit reset condition
0 (LSB)	Constant Voltage	CV		User command: “SENA nn”
			User command:	is received, where nn is
1	Constant Current	CC
				hexadecimal bits.
			“SENA nn” is
2	No Fault	NFLT	received, where	If “nn”=00, no SRQ is sent
			nn is hexadecimal	when there is a change in
3		FLT
	Fault active		bits.	Status Condition Register.
4	Auto-Restart enabled	AST	Always zero	Always zero
5	Fold enabled	FDE	Always zero	Always zero
6	Spare	Spare	Always zero	Always zero
7 (MSB)	Local Mode	LCL	“SENA nn”	“SENA nn”
			command	command

4. Status Event Register

The Status Event Register will set a bit if a change in the power supply status occurs and it is en- abled. The register is cleared when the “SEVE?” or “CLS” commands are received. A change in this register will generate SRQ.

Table 7-13: Status Event Register

BIT	Status name	Status symbol	Bit Set condition	Bit reset condition
0 (LSB)	Constant Voltage	CV	Changes in status
			occur and it is
			Enabled.
1	Constant Current	CC	The change can
			set a bit, but when
2	No Fault	NFLT
			the change clears	Entire Event Register is
			the bit remains	cleared when user sends
3	Fault active	FLT
			set.	“SEVE?” command to read
4	Auto-Restart enabled	0	Always zero	the register.
				“CLS” and power-up also
5	Fold enabled	0	Always zero
				clear the Status Event
6	Spare	0	Always zero	Register.
			Unit is set to Local
7 (MSB)	Local Mode	LCL	by pressing front
			panel REM/LOC
			button.

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