Keithley 2750, Руководство пользователя

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9-12 Limits and Digital I/O Model 2750 Multimeter/Switch System User’s Manual
Perform the following steps to enable and configure digital outputs:
1. Press SHIFT and then OUTPUT.
2. If the digital output is already on (DOUTPUT: ON), proceed to step 3. Otherwise,
press
to move the cursor to the right, press
Δ
or
∇
key to display “ON,” and
press ENTER.
3. Use the
∇
key to display the master limit latch (MASTR LATCH) setting: N (no)
or Y (yes).
4. If you want to retain the present master limit setting, proceed to step 5. Otherwise,
press
to move the cursor to the right, press
Δ
or
∇
key to display “Y” or “N,”
and press ENTER.
5. Use the
∇
key to display the present logic sense (LSENSE) setting: HIGH or
LOW.
6. If you want to retain the present logic sense setting, proceed to step 7. Otherwise,
press
to move the cursor to the right, press
Δ
or
∇
key to display “HIGH” or
“LOW,” and press ENTER.
7. Use the
∇
key to display the present PULSE mode setting: NO or YES.
8. To retain the present pulse mode setting, press ENTER. Otherwise, press to
move the cursor to the right, press
Δ
or
∇
key to display “NO” or “YES,” and
press ENTER.
Scanning
While limits can be configured on a per scan channel basis, the digital output configura-
tion cannot. Therefore, for all scan channels that are set to use limits, the digital output
will function according to how the Model 2750 is set up when the scan is run.
2750-900-01.book Page 12 Wednesday, August 3, 2011 7:56 AM