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28 Turn-On Checkout
Power Module Turn-On State
When you turn on the mainframe, the power module goes through a self-test. All front panel readout digits and
annunciators turn on briefly. The panel then remains in the state shown in Table 3-1A.
Note The figure assumes the power module still retains its factory default turn-on state. You can change this
state if desired (see "Chapter 4 - Basic Power Module Commands").
Checking Basic Module Functions
The power module is designed for remote programming over the GPIB. It also can be locally programmed from the
optional Agilent 66001A MPS Keyboard. Table 3-2 gives the SCPI commands for the remotely programmed tests. You
can send these same commands from the keyboard (see "Appendix B").
Table 3-2. Testing Basic Functions with SCPI Commands
Command Action Display Response
VOLTS AMPS CV CC Addr* Dis Prot
Output Voltage (Disconnect Load)
VOLT 5.1 Set output voltage to 5.1 V 0.00 0.00 Off Off On On Off
OUTP ON Enable the output 5. 10 0.00 On Off On Off Off
Overvoltage Protection
VOLT:PROT 4.9 Activate OVP circuit (by
setting protection voltage
0.00 0.00 Off Off On Off On
below output voltage)
VOLT:PROT MAX Clear OVP circuit 5. 10 0.00 Off Off On Off Off
OUTP:PROT:CLE Clear OVP circuit 5. 10 0.00 On Off On Off Off
Save and Recall Functions
*SAV 5 Save present state to
location 5
5.10 0.00 On Off On Off Off
VOLT 3.55 Set output voltage to 3.55 V 3.55 0.00 On Off On Off Off
OUTP OFF Turn off the output 0.00 0.00 Off Off On On Off
*SAV 6 Save present state to
location 6
0.00 0.00 Off Off On On Off
*RCL 5 Restore state 5 5.10 0.00 On Off On Off Off
*RCL 6 Restore state 6 0.00 0.00 Off Off On On Off
Output Current (With output disabled, short the
output terminals with a wire size sufficient to carry
the maximum current of the module.)
CURR 3.1 Set output current to 3.1
amps
0.00 0.00 Off Off On On Off
OUTP ON Enable the output 0.00 3.10 Off On On Off Off
Overcurrent Protection
CURR:PROT:STAT
ON
Activate OCP circuit (by
enabling OCP when the
output is shorted)
0.00 0.00 Off Off On Off On
CURR:PROT:STAT
OFF
Clear OCP circuit 0.00 0.00 Off On On On Off
OUTP:PROT:CLE Clear OCP circuit 0.00 3.10 Off On On Off Off
*Addr will not light if the module is controlled from the keyboard.