Turn-On Checkout
34
Table 3-1. Checking the Voltage Functions (continued)
*Maximum voltage values are for Agilent 6552A. See “Output Ratings” in “Performance Specifications” of Chapter 1
for your specific model.
**Voltage increments are for Agilent 6552A. See “Average Resolution” in “Supplemental Characteristics” of Chapter 1
for your specific model.
***OV voltage is for Agilent 6552A. See “Output Programming Range” in “Supplemental Characteristics” of Chapter 1
for your specific model.
**** key is the unlabeled blue key.
Table 3-2. Checking the Current Functions (Output Terminals Shorted)
Turn off the power supply and connect a wire across the output (+) and (-) terminals. Use a wire of sufficient size to
carry the maximum current of the supply (see "Performance Specifications" in Chapter 1).
Turn on the supply Meter mode
Essentially zero outputs with Dis annunciator on.
Press
VOLT 1.500 Set a minimum operating voltage to cause current to low.
Press
Dis annunciator goes off, CC annunciator comes on, and
AMPS display shows some current. If there is no current and
CV annunciator remains on, increase the operating voltage
setting.
Press several times *Current increases about 7 milliamperes each time you press
the key.
Press the same number of
times
*Current decreases about 7 milliamperes each time you press
the key.
Rotate the Current control first
clockwise and then counterclockwise.
Control operates similarly to the and
keys. Turning the controls more quickly causes a more rapid
change in current.
Press You have enabled the overcurrent protection circuit, which
tripped because of the output short. The CC annunciator goes
off and the OCP and Prot annunciators come on. The output
current is near zero.
Press
OC Indicates the overcurrent protection circuit has tripped. (see
“Supplemental Characteristics” in Chapter 1).
Press Meter mode
Press
Dis annunciator comes on.
Press You have disabled the overcurrent protection circuit. The
OCP annunciator goes off.
Press *
You have cleared the OC protection circuit. The Prot
annunciator goes off.
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