UNI-T UDP3000 Series DC Power Supplies User Manual

: June 10, 2024
: UNI-T

UNI-T UDP3000 Series DC Power Supplies User Manual

*IDN?

Syntax *IDN?
Functional Description Query the instrument information of manufacturer name, product model, product serial number and software version.
Return Format The query returns , < product model>, , < software version>.

*SAV

Syntax SAV
Functional Description
Save the current setting with the specified name into nonvolatile memory.
Example
SAV 1
Save the current setting with the specified name “1” into nonvolatile memory.

*RCL

Syntax RCL
Functional Description Recall the saved instrument status.
Example RCL 1 Recall the system “status 1” from nonvolatile memory

INSTrument

Syntax
INSTrument < channel >

< Channel > :={ CH1 | CH2| CH3} **Functional Description** Select the channel that need to be operated. **Example** INSTrument CH1

INSTrument?

Syntax
INSTrument?
Functional Description
Query the currently operating channel.
Example
INSTrument? The query returns CH1.

MEASure:CURRent?

Syntax
MEASure:CURRent? < channel >

< Channel >: ={ CH1 | CH2| CH3} **Functional Description** Query the measuring current value on the output terminal of the specified channel. If no channel is specified, then query the currently operating channel. **Example** MEASure:CURRent? CH1 The query returns 3.000.

MEASure:VOLTage?

Syntax
MEASure:VOLTage? < channel>

< Channel >: ={ CH1 | CH2| CH3} **Functional Description** Query the measuring voltage value on the output terminal of the specified channel. If no channel is specified, then query the currently operating channel. **Example** MEASure:VOLTage? CH1 The query returns 30.000.

MEASure:POWEr?

Syntax
MEASure:POWEr? < channel >

< Channel >: ={ CH1 | CH2} **Functional Description** Query the measuring power value on the output terminal of the specified channel. If no channel is specified, then query the currently operating channel. **Example** MEASure:POWEr? CH1 The query returns 90.000

[SOURce:]CURRent

Syntax

< Channel >: [SOURce:]CURRent < current value > < Channel > :={ CH1 | CH2} **Functional Description** Set the current value for the currently operating channel. **Example** CH1:CURRent The query returns 0.5.

[SOURce:]CURRent?

Syntax

< Channel >: CURRent? < Channel >: { CH1 | CH2} **Functional Description** Query the current value of the currently operating channel. **Example** CH1:CURRent? The query returns 0.5.

[SOURce:]VOLTage

Syntax

< Channel >: VOLTaget < voltage value > < Channel >: ={ CH1 | CH2} **Functional Description** Set the voltage value for the currently operating channel. **Example** CH1:VOLTage 25

[SOURce:] VOLTage?

Syntax

< Channel >: VOLTage? < Channel >: ={ CH1 | CH2} **Functional Description** Query the voltage value of the currently operating channel. **Example** CH1:VOLTage? The query returns 25

OUTPut

Syntax OUTPut, < status > :={ ON | OFF}
Functional Description Turn on/off the specified channel.
Example OUTPut ON

OUTPut:TRACk

Syntax OUTPut:TRACK : = {0 | 1| 2, it respectively represents independent, serial connection and parallel connection.}
Functional Description Select the operating mode.
Example OUTPut:TRACK 0

OVP:STATus

Syntax
OVP:STATus,< status >

< Status >: = {ON | OFF} **Functional Description** Turn on/off overvoltage protection. **Example** OVP:STATus ON

OCP:STATus

Syntax
OCP:STATus < status >

< Status > :={ ON | OFF} **Functional Description** Turn on/off overcurrent protection. **Example** OCP:STATus ON

OVP:SETting

Syntax
OVP:SETting < channel >,< voltage value >

< Channel > :={ CH1 | CH2} **Functional Description** Set the voltage value of overvoltage protection. **Example** OVP:SETting CH1，32

OCP:SETting

Syntax
OCP:SETting < channel >,< current value >

< Channel > :={ CH1 | CH2} **Functional Description** Set the current value of overcurrent protection. **Example** OCP:SETting CH1, 3

OVP:VALUE?

Syntax
OVP:VALUE? < channel >

< Channel > :={ CH1 | CH2} **Functional Description** Read the voltage value of overvoltage protection. **Example** OVP:VALUE? CH1

OCP: VALUE?

Syntax
OCP: VALUE? < channel >

< Channel > :={ CH1 | CH2} **Functional Description** Read the current value of overcurrent protection. **Example** OCP: VALUE? CH1

Recall: STAT?

Syntax
Recall: STAT?
Functional Description
Read recalled data status
The query returns
0 represents not recall data status.
1 represents recall M1.
2 represents recall M2.
3 represents recall M3.
4 represents recall M4.
5 represents recall M5.

SYSTem: ERRor?

Syntax
SYSTem: ERRor?
Functional Description
Read the error code and information of power supply.
Syntax
SYSTem:VERSion?
Functional Description
Query the software version.

SYSTem:VERSion?

Syntax
SYSTem:STATus?
Functional Description
Return the working status of the instrument

SYSTem: STATus?

Example
SYSTem:STATus? The query returns 0x0224.
Description
The return information is hexadecimal notation. When the user confirms the status, it needs to convert to binary format. The conversion relation is as follows.