Table 5-1. Power Supply Commands

Command

Header

*Output Channel

Data Range

Syntax (Fig. 5-2)

Set Voltage

VSET

1,2,3,4

See Table 5-4

C4

Set Current

ISET

1,2,3,4

See Table 5-4

C4

Set Overvoltage

OVSET

1,2,3,4

See Table 5-4

C4

OC Protection On/Off

OCP

1,2,3,4

0,1(off,on)

C4

Output On/Off

OUT

1,2,3,4

0,1(off,on)

C4

Set the State of all

DCPON

----

0,1(off,on) CC+

C4

Outputs at Power-On

 

 

2,3 (off,on) CC-

 

Unmask

UNMASK

1,2,3,4

0-255

C4

Reprogram Delay

DLY

1,2,3,4

0-32 (LSB=0.004)

C4

(in seconds)

 

 

 

 

Reset Overvoltage

OVRST

1,2,3,4

--

C3

Reset Overcurrent

OCRST

1,2,3,4

--

C3

Service Request

SRQ

--

0,1,2,3

C2

Power-On SRQ

PON

--

0,1(off, on)

C2

On/Off

 

 

 

 

Display On/Off

DSP

--

0,1(off, on)

C2

Display Characters

DSP

--

"string"

C6

(up to 12 characters)

 

 

 

 

Store Settings

STO

--

1-10

C2

Recall Settings

RCL

--

1-10

C2

Clear Supply

CLR

--

--

C1

*Output channels 3 and 4 are not used in all models (see Table 5-4).

Table 5-2. Power Supply Queries

Query

Header

Channel

Response

 

Initial Value

Syntax

 

(Note 7)

(Note 1)

(Notes 5 and 6)

 

(Fig. 5-2)

Voltage Setting

VSET ?

1,2,3,4

SZD.DDD

 

0

Q2

Current Setting

ISET ?

1,2,3,4

SZD.DDD

 

Min. Value

Q2

 

 

 

SZZD.DD(Note 2)

(see Table 5-4)

 

Voltage Output

VOUT ?

1,2,3,4

SZD.DDD

 

--

Q2

Current Output

IOUT ?

1,2,3,4

SZD.DDD SD.DDDD

--

Q2

 

 

 

(Note 3)

 

 

 

OVP Setting

OVSET ?

1,2,3,4

SZZD.DD

 

Full Scale

Q2

 

 

 

 

 

(See Table 5-4)

 

OC Protection On/Off

OCP ?

1,2,3,4

ZZD

 

0(0ff)

Q2

Output On/Off

OUT ?

1,2,3,4

ZZD

 

1(0n)

Q2

Unmask Setting

UNMASK ?

1,2,3,4

ZZD

 

0(cleared)

Q2

Delay Setting

DLY ?

1,2,3,4

<sp>ZD.DDD

0.02 sec

Q2

Status

STS ?

1,2,3,4

ZZD

 

--

Q2

Accumulated Status

ASTS ?

1,2,3,4

ZZD

 

--

Q2

Fault

FAULT ?

1,2,3,4

ZZD

 

--

Q2

Error

ERR ?

--

ZZD

 

--

Q1

Service Request Setting

SRQ ?

--

ZZD

 

0(0ff)

Q1

Power-On SRQ On/Off

PON ?

--

ZZD

 

Last stored value

Q1

Display On/Off

DSP ?

--

ZZD

 

1(0n)

Q1

Model Number

ID ?

--

HP 662XA (Note 4)

--

Q1

Selftest

TEST ?

--

ZZD

 

--

Q1

Calibration Mode

CMODE ?

--

ZZD

 

0(0ff)

Q1

S = Sign Z = Digit with leading zeros put out as spaces.

D= Digit

<sp > = space

 

66 Remote Operation

Page 66
Image 66
HP 6623A Ovset, Out, Dcpon, Unmask, Dly, Ovrst, Ocrst, Srq, Pon, Dsp, Sto, Rcl, Clr, Vset ?, Szd.Ddd, Iset ?, Zzd

6624A, 6621A, 6623A specifications

The HP 6623A, 6621A, and 6624A are precision DC power supplies widely recognized for their reliability and performance in various laboratory and industrial applications. These models are part of HP's 662X series, designed to cater to the needs of engineers, researchers, and technicians who require accurate power sources for their testing and development activities.

The main features of the HP 6623A, 6621A, and 6624A include their high stability, low ripple, and excellent load regulation, ensuring that the output voltage and current remain stable during testing. The power supplies provide multiple output channels, allowing users to power multiple devices simultaneously. The flexibility in setting voltage and current levels makes these models ideal for a wide range of applications, including semiconductor testing, device characterization, and system integration.

One of the standout technologies in the HP 662X series is the use of smart design techniques that minimize noise and enhance output performance. These power supplies incorporate advanced feedback mechanisms to maintain steady output, even under varying load conditions. Additionally, they feature programmable outputs, which means users can adjust the output levels through a connected computer or control system, streamlining the testing process and improving efficiency.

The HP 6623A model offers three independent outputs, with total power capabilities of 40 watts. It includes a 0-20V output, which can deliver up to 2A of current, along with two additional outputs that are adjustable. The 6621A provides a single output option, delivering a maximum of 20V and 2A, making it well-suited for simple applications where a single power source is required. In contrast, the HP 6624A stands out with its four independent output channels, providing a total of 60 watts, making it the most versatile of the three models.

Characteristics of these power supplies include user-friendly interfaces, allowing for easy configuration and monitoring of settings. LED indicators provide real-time feedback on voltage and current levels, enabling users to quickly assess the performance of their tests. Moreover, built-in protection features safeguard both the power supply and the connected devices from overvoltage and overcurrent conditions.

Overall, the HP 6623A, 6621A, and 6624A power supplies embody advanced engineering and design, making them invaluable tools for professionals looking for high-quality, reliable power sources for their electronic testing needs.