Xantrex Technology RS232-XPD manual Operation, Condition, Mnemonic, Bit Position, Bit Weight

Operation

Accumulated Status, Status, and Fault Registers

Table 3.8 Accumulated Status, Status, and Fault Registers

Condition	Mnemonic	Bit Position	Bit Weight
Constant voltage operation	CV	0	1
Constant current operation	CC	1	2
Not used	–	2	4
Overvoltage protection tripped	OV	3	8
Over temperature protection tripped	OT	4	16
Supply external shutdown active (J21-1)	SD	5	32
Foldback mode operation	FOLD	6	64
Remote programming error	ERR	7	128
Power ON (accumulated status, status	PON	8	256
registers only)
Remote mode (accumulated status, status	REM	9	512
registers only)
AC fail condition	ACF	10	1024
Output fail condition	OPF	11	2048
Sense protection tripped	SNSP	12	4096

Notes:

1.All mnemonics can be masked or unmasked.

2.The error (ERR) bit is reset in the accumulated status, status, and serial poll registers with an error query (ERR?).

3.The accumulated status register is cleared with an accumulated status query (ASTS?).

4.A fault is cleared with a fault query (FAULT?).

48 Operating Manual for RS-232 for XPD Series Power Supply