Checkout Procedures - HP 654 A Series Operating Manual

: Press fVoltaKe
Press
(Dfo
I
Press (Enter
Press (1 Voltage)several times
Table 3-1. Checking the Voltage Functions (Output Terminals Open)
If tiie Dis annunciator is on, turn it off by pressing (Output On/Off)
VOLT 0.000 Displays default output voltage. CV annunciator is on. If CC
annunciator remains on, increase the CC current setting by
pressing (Current ](TY5l(Enter ]■
VOLT 20 "Set voltage to supply's rated output.
20.000 Meter mode displays output voltage.
several time* •'"Voltage drops about 8 imliivoUs each time you press the key.
the same number of •"Voltage increases about 5 millivolts each time you press the key.
Press (tVoltagel the same number of
times
Rotate the Voltage control first
counterclockwise and then clockwise
Press (OV 1
lov 22.000
I
Press
(6v KTYs
I
Press (Enter'
Press (Protect
Press (■*•-]
Press (O V KDI^
Control operates similarly to the (1 Voltage) and (TVoltage) keys.
Thming the controls more quickly causes a more rapid chamge in
voltage.
••"Shows the default OVP trip voltage.
Program OV trip voltage to 15.
You have entered a trip voltage that is less than the output
voltage. The output drops to near zero. The CV annunciator
goes off and the Prot annunciator comes on.
Indicates the overvoltage protection circuit has tripped.
Meter mode
Press (Shift
I
Protect
Press (PVJLZri J OV 21 Raise the OV trip voltage up above the programmed output
voltage.
Press (Enter) Enter the new trip voltage.
LShift^Protect)**** 20.000 You have cleared the OV protection fault. The Prot annunciator
goes off, the CV annunciator comes on, and the full rated output
___J_ is restored._
Maximum voltage values are for HP 6552A. See "Output Ratings" in "Performance Specifications" of Chapter 1 for
your specific model.
Voltage increments are for HP 6552A. See "Average Resolution" in "Supplemental Characteristics" of Chapter 1 for
your specific model.
*•• OV voltage is for HP 6552A. See "Output Programming Range" in "Supplemental Characteristics" of Chapter 1 for
your specific model.
(Shift) key is the unlabled 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 EssentiaOy zero outputs with Dis annunciator on.
(VoltageITKTKT) VOLT 1.500 Set a minimum operating voltage to cause current to flow.
LOutput On/Off) Dis annunciator goes off, CC annuciator comes on, and AMPS
display shows some ciurent. If there is no current and CV
annunciator remains on, increase the operating voltage setting.
•Current increases about 7 miliiamperes each time you press the
key. j
"Current decreases about 7 mlliamperes each time you press the
key.
Control operates similarly to the [tCurrent) and (|Current) keys.
TWning the controls more quickly causes a more rapid change in
current.
You have enabled the overcurrent protection circuit, which tripped
because of the output short. The CC anmmciator goes off and the
OCP and Prot annudators come on. The output current is Inear
Turn on the supply
Press (Voltage
)(TKTY?
Press (Output On/Off
Press (tCurrent)several times
Press {(Current) the same number of
times
Rotate the Current control first
clockwise and then counterdockwise.
• Current increments are for HP 65S2A. See "Average Resolution" in "Supplemental Characteristics" of Chapter 1 for
your spedfic model.
3-2 Turn-On Checkout
Checkout Procedures