YOKOGAWA WT200 User Manual page 217

IM 253421-01E
Adjusting the D/A Output
• Preparations
1. Connect the pin No. of the output connector corresponding to the channel to be
adjusted to the H terminal of the DMM, and connect pin No. 12 and 24 of the
output connector to the L terminal.
2. Set the range of the DMM to 20 V.
After "dA" appears on display C (using the ∧ or ∨ key), press the ENTER key.
3.
• Adjusting
After having carried out the above described preparations, the displays will show the
following. Display A will be blinking.
display A: ch 1
display B: 5.000
display C: 5.0000
Select the channel to be adjusted on display A by pressing the ∧ or ∨ key, and
1.
then press the ENTER key. The head digit of display C will start blinking. From
that point a voltage of approx. +5 V will be output from the connector.
2. Press the V RANGE or A RANGE key to move the blinking digit of display C.
Then, using the ∧ or ∨ key, adjust the blinking value to the value displayed at the
DMM.
3. After having adjusted all digits of display C, press the ENTER key. "–5.000 V"
will appear on display C, and a voltage of approx. –5 V will be output from the
connector.
4. Carry out step 2 once again.
5. After having adjusted all digits of display C, press the ENTER key.
6. Change the channel indication on display A from "ch1" to "ch2". Carry out steps
1 to 5 to adjust channel 2.
7. Carry out steps 1 to 5 to adjust all channels.
8. Press the SHIFT key and display C will change to "dA". This completes the D/A
output adjustments. When you press the RESET key instead of the SHIFT key,
the carried out adjustments will become invalid.
After Finishing Adjustments
After having finished all adjustments, turn the power OFF and ON again.
15.1 Adjustments
15
15-3