Agilent Technologies 66000A, Руководство по обслуживанию, Страница: 14 / 53

14 Verification
Output Checkout
1. Make sure that there is no load connected to the output connector by removing the output connector assembly.
2. Check the basic voltage functions and module communications as shown in following table:
Action Keyboard Display Explanation
Press
*RST
Resets the Modular Power System
Press
:OUTP ON
Enables the output
Press
:CURR 1
Sets the output current to 1 A
Press
:VOLT 5 Sets the output voltage to 5 V
3. The keyboard display should now be in meter mode indicating the voltage and status of the dc power module:
Disable the output prior to connecting a load.
Press
In Case of Trouble
If the keyboard and module displays do not read the correct voltage, check the operation of the module. Refer to the
"Performance Measurement" section of the Agilent
Series 66lxxA Power Modules Service Manual .
Problem Not Identified
If after performing the checkout procedures you were unable to isolate the problem, refer to the "Overall Troubleshooting"
procedure in Chapter 4. The overall troubleshooting procedure will verify whether the mainframe is at fault and will isolate
the problem to a functional block.