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Power Supply Operation
TM-XDOP-01XN 3–45
To lock out only the Voltage knob:
If you attempt to use the Voltage knob, the display shows V Knob Locked, and
the output is not affected. If you attempt to use the Current knob, the knob
operates normally. You can also lock the Current knob without locking the Voltage
knob. To unlock the knobs, repeat the steps above, and select N for Lock _ Knob?
Set V, I, and P Limits
The voltage, current and power setpoints can be limited to less than the supply
rating range to match the tolerance of connected equipment or any other criteria
you may have.
You can control the voltage, current and power setpoint limits through the SETPT
LIMIT menu option. Once the limits have been changed from the supply’s
default rated output, settings outside this range are no longer accepted.
Before setting voltage, current or power setpoint limits, make sure that the
voltage, current or power setpoint is set to a value between the desired upper and
lower setpoint limits.
Step # Do This You Will See
1ERROR MSGS
2
until you see the “KNOB
LOCKOUT” option
KNOB LOCKOUT
3
Lock V Knob? N
4 Lock V Knob? Y
5 Lock I Knob? N
The Voltage knob is locked out.
6 The Current knob is not locked
out. This setting is saved, and
the display returns to its default
operating mode.
MENU
ENTER
ENTER
ENTER
Important:
Setpoint limits do not apply to the triggered outputs and auto sequence
outputs.
TM-XDOP-01XN.book Page 45 Monday, July 17, 2006 11:19 AM