Unsupported Scpi Commands; Verification; Analog Outputs - Keithley 7706 User Manual

Model 7706 module

Unsupported SCPI commands

The display will indicate which cards are installed immediately after showing the firmware revision at
power-up.
The ROUT:SCAN:NVOLatile command is not supported for Model 7706 module operation. Attempts to set
ROUT:SCAN:NVOL ON with a 7706 card present in either slot will generate error -221 settings conflict.
Verification
Use the procedures contained in this section to verify the analog outputs or the Totalizer.

Analog outputs

The information contained in this section is intended only for qualified service personnel. Do not
attempt these procedures unless you are qualified to do so.
After correctly wiring the Model 7706, installing it in the Model 2700, and turning the power on (step 5 in
the following procedure), the unit is required to warm up for two hours before proceeding.
Use the following steps to verify the Model 7706 analog output channels.
1. Connect CH23 H and L outputs to CH1 H and L input terminals (respectively).
2. Connect CH24 H and L outputs to CH2 H and L input terminals (respectively).
3. Close and lock the Model 7706 cover.
4. Install the Model 7706 in slot 1 of the Model 2700.
5. Turn on the Model 2700.
6. Allow unit to warm up for two hours before proceeding.
7. Set the front panel INPUTS switch to the REAR position.
8. Set the Model 2700 to the 10V range:
a. Select the DC volts function by pressing the DCV key.
b. Select the 10V range.
9. Close channel 1:
a. Press the CLOSE key.
b. Key in 101.
10. Set analog output 1 to +10V:
a. Open the SHIFT-CARD menu (press SHIFT-CARD).
b. Key in analog output for AOUT1:+10.000V.
11. Verify analog output reading is within stated limits (see
12. Set analog output 1 to -10V:
a. Open the SHIFT-CARD menu (press SHIFT-CARD).
b. Key in analog output for AOUT1:-10.000V.
13. Verify analog output reading is within stated limits.
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NOTE
WARNING
NOTE
Table 6).