Keithley 7090 Instruction Manual page 33

Model 7090 Instruction Manual
Manually scanning channels
Program ARM, SCAN, and CHANNEL layers appropriately.
1.
2.
3.
Scanning is the preferred method of switching the Model 7090.
NOTE
Automatically scanning channels
Program ARM and SCAN layers appropriately.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
Press the SCAN LIST key.
Enter all desired channels in the scan list, for example: 1!1, 1!2, 1!4, 1!7.
Repeatedly press the STEP key to cycle through the scan list, closing one channel
at a time starting at the beginning of the list.
Refer to 7001 Manual to configure ARM layer, SCAN layer, CHANNEL layer
and their respective spacings.
Press the SCAN LIST key.
Enter all desired channels in the scan list, for example: 1!1, 1!2, 1!4.
Press the SCAN button.
Select "CHAN-CONTROL," then press the ENTER key.
Select "CHANNEL-SPACING," then press ENTER.
For timed auto-switching, select "TIMER," then press ENTER.
Enter the appropriate time in seconds between switch closures (for example,
0001.000) using the keypad.
Press ENTER to complete timer programming.
Press the EXIT key three times to return to the scan list display.
Press STEP once to arm and execute the auto scan.
Press OPEN ALL to stop scanning the scan list.
Operation 3-5