1261B User Manual
Racal Instruments
Ó
1995
Using The Enhanced Monitoring System 4-7
Programming The
Power Supply
Voltage Tolerance
Limits
The power supply voltages are monitored to ensure that they are
between an upper and a lower limit. The lower voltage tolerance
limit is always the most negative, and the upper voltage
tolerance limit is always the most positive. The following
commands may be used to set the power supply voltage
tolerance limits:
SENSE:VOLT1:RANGE:UPPER 5.2
-- +5V upper limit
SENSE:VOLT1:RANGE:LOWER 4.8
-- +5V lower limit
SENSE:VOLT2:RANGE:UPPER -5.0
-- -5.2V upper limit
SENSE:VOLT2:RANGE:LOWER -5.4
-- -5.2V lower limit
SENSE:VOLT3:RANGE:UPPER -1.8
-- -2V upper limit
SENSE:VOLT3:RANGE:LOWER -2.2
-- -2V lower limit
SENSE:VOLT4:RANGE:UPPER 25.9
-- +24V upper limit
SENSE:VOLT4:RANGE:LOWER 23.1
-- +24V lower limit
SENSE:VOLT5:RANGE:UPPER -23.1
-- -24V upper limit
SENSE:VOLT5:RANGE:LOWER -25.9
-- -24V lower limit
SENSE:VOLT6:RANGE:UPPER 12.9
-- +12V upper limit
SENSE:VOLT1:RANGE:LOWER 11.1
-- +12V lower limit
SENSE:VOLT7:RANGE:UPPER -11.1
-- -12V upper limit
SENSE:VOLT7:RANGE:LOWER -12.9
-- -12V lower limit
Each of these commands has an associated query. For
example, the query:
SENSE:VOLT5:RANGE:LOWER?
reads the lower voltage tolerance limit for the -24V Power
Supply. Refer to
Table 5-2
for a description of a range of values
accepted for this command.
Programming The
Power Supply
Current Tolerance
Limits
The power supply currents are monitored to ensure that they are
below an upper limit. The following commands may be used to
set the power supply current tolerance limits (examples show
default limits programmed):
SENSE:CURR1:RANGE:UPPER 85.6
--
+5Vupperlimit
SENSE:CURR2:RANGE:UPPER 64.2
-- -5.2V upper limit
SENSE:CURR3:RANGE:UPPER 32.1
-- -2V upper limit
SENSE:CURR4:RANGE:UPPER 12.9
-- +24V upper limit
SENSE:CURR5:RANGE:UPPER 12.9
-- -24V upper limit
SENSE:CURR6:RANGE:UPPER 17.0
-- +12V upper limit
SENSE:CURR7:RANGE:UPPER 17.0
-- -12V upper limit
Each of these commands has an associated query. For
example, the query:
SENSE:VOLT2:RANGE:UPPER?
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