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Operation
3–18 TM-XR9B-01XN
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?).
Table 3-8
Accumulated Status, Status and Fault Registers
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 Pin 1 of the
user lines connector
SD 5 32
Foldback mode operation FOLD 6 64
Remote programming error ERR 7 128
Power ON
(accumulated status, status registers only)
PON 8 256
Remote mode
(accumulated status, status registers only)
REM 9 512
AC fail condition ACF 10 1024
Output fail condition OPF 11 2048
Sense protection tripped SNSP 12 4096
TM-XR9B-01XN.book Page 18 Monday, April 19, 2004 9:00 AM