B+K precision 9115 Owner's manual

Model: 9115

Multi-Range DC Power Supply

PROGRAMMING MANUAL

Table of Contents

1Remote Operation........................................................................................4

1.1 Interface Connection........................................................................................................ 4

RS-232 ..................................................................................................................................... 4

GPIB......................................................................................................................................... 4

RS-485 ..................................................................................................................................... 5

USBTMC................................................................................................................................... 5

2Remote Commands ......................................................................................6

2.1 IEEE488.2 Common Commands....................................................................................... 6

2.2 STATUS Subsystem............................................................................................................ 8

2.3 SYSTEM Subsystem......................................................................................................... 12

2.4 TRIGGER Subsystem ....................................................................................................... 15

2.5 SOURCE Subsystem ........................................................................................................ 15

2.6 MEASUREMENT Commands........................................................................................... 18

2.7 LIST AND SEQUENCE Commands ................................................................................... 20

1Remote Operation

1.1 Interface Connection

RS-232

For RS-232 connectivity, refer to the diagram below for pin out information. The RS-232 is

labeled in the rear panel and it is a female DB-9 interface.

Description

Transmit Data

Receive Data

GND

A straight pin-to-pin DB9 female to DB9 male serial cable is required for using the RS-232

interface. Do not use a null modem or crossover DB9 serial cable.

Refer to the user manual for details on configuring all serial settings as required for RS-232

communication.

GPIB

The power supply can be configured with a GPIB address from 0 – 31. To communicate via GPIB,

connect a GPIB cable to the GPIB interface on the rear panel, as illustrated below.

RS-485

For multi-unit configuration and control, the male DB-9 interface labeled RS-485 in the rear

panel is used. The below illustrates the connection pins and description.

Note: Pin 1 is used as the B pin (+) (non-inverting).

Pin 5 is used as the A pin (-) (inverting).

SC (reference) pin is not used.

Description

B (+)

A (-)

USBTMC

The device is SR1, RL1, and DT1 enabled. It can receive the following request:

REN_CONTROL, GO_TO_LOCAL, LOCAL_LOCKOUT. When it receives MsgID = TRIGGER USBTMC

command, it will transmit TRIGGER command to the function layer.

2Remote Commands

2.1 IEEE488.2 Common Commands

Here’s a list and description of all common SCPI commands supported by the instrument.

*CLS

This command clears the following registers.

Standard event register

Query event register

Operation event register

Status byte register

Error code

Command syntax: *CLS

Parameter: None

*ESE

This command can set the parameter of standard event enable register. Setting parameter can

determine which bit of standard event register is 1 and the byte will enable ESB of status byte

Command syntax: *ESE <NR1>

Parameter: 0~255

The value when power on: Refer to *PSC command

Example: *ESE 128

Query syntax: *ESE?

Returned parameter: <NR1>

The bit definition of the standard event enabled register:

Bit

Position

Bit Name

PON

Not

used

CME

EXE

DDE

QYE

Not

used

OPC

Bit Weight

128

PON Power-on

CME Command error

EXE Execution error

DDE Device-dependent error

QYE Query error

OPC Operation complete

*ESR?

This command can read the value of standard event status register. After executing this

command, standard event status register is reset. Bit definition of standard event status register

is the same as the standard event status enable register.

Query syntax: *ESR?

Parameter: None

Returned parameter: <NR1>

*IDN?

This command can read information about power supply. The returns parameter contains 4

segments divided by comma.

Query syntax: *IDN?

Parameter: None

Returned parameter: <AARD> segment description

B&K Precision Manufacturer

9115 Product model

XXXXXX Product serial number

VX．XX –VX．XX Software version

Example: B&K Precision, 9115, 00000000000004, V1.01-V1.00

*OPC

When all commands before this command are executed, bit OPC in standard event register will

be set to 1.

Command syntax: *OPC

Parameter: None

Query syntax: *OPC?

Returned parameter: <NR1>

*RST

This command resets the power supply to default settings.

Command syntax: *RST

Parameter: None

*SRE

This command can set the parameter of state byte enable register. Setting parameter can

determine which byte value of state byte register is 1 and the byte will set RQS of state byte

Command syntax: *SRE <NR1>

Parameter: 0~255

Query syntax: *SRE?

Returned parameter: <NR1>

*STB?

This command can read the data from status byte register.

Query syntax: *STB?

Parameter: None

Returned parameter: <NR1>

*TRG

When power supply trigger source is a command from via BUS, this command will give a trigger

signal. And its function is the same as “TRIGger” command.

Query syntax: *TRG

Parameter: None

Returned parameter: None

*SAV

This command can save the current setups of power supply to specified memory. These setups

contain current setups, voltage setups, max voltage set, min voltage set, OVP set, OVP timer,

OPP set, voltage rise and fall time, analog interface and series/parallel setting.

The memory is divided into 10 groups, each contain 0~9 (10 total) setups. Up to 100 setups can

be saved in total.

Command syntax: *SAV<NRf>

Parameter: 0~9

*RCL

This command can recall the setups you saved previously from the specified memory location.

Command syntax: *RCL<NRf>

Parameter: 0~9

2.2 STATUS Subsystem

You can get the current status of the power supply by reading the operation status registers. The

power supply records the different status of the instrument through the four status register

group. The four status register groups are: status byte register, standard event register, query

status register and operation status register. Status byte register records the information of the

other status registers.

BIT

Signal

Meaning

CAL

WTG

Operation status register

The power supply is calculating the new calibration parameter.

The power supply is waiting for the trigger information.

The power supply is in constant voltage status.

The power supply is in constant current status.

Query status register

Over voltage

Over current

Over power

Over temperature

OPC

QYE

DDE

EXE

CME

PON

Standard event register

Operation completed. All the parallel operations are completed.

Query error. Output buffer data lost.

Instrument memory data loss or self test error

Execute error. Command parameter over flow or the operation condition is

not consistent

Command error. There is syntax or semantic error in the command received.

Power on bit, this bit is set to 1 after power on

EAV

QUES

MAV

ESB

RQS

OPER

Status byte register

Error buffer available

This bit is set to 1 when any one status of enabled query status register

changes.

Output buffer available

Bit ESB is set to 1 when the status of a enabled standard event status register

changes

If the status of enabled operation register changes, then this bit is set to1.

STATUS Subsystem

STATus:QUEStionable[:EVENt]?

This command can be used to read the value in query event register. After executing this

command, the query event register will be cleared.

Query syntax: STATus:QUEStionable[:EVENt]?

Parameter: None

Returned parameter: <NR2>

Relative command: STATus:QUEStionable:ENABle

The bit definition of query event enable register:

Bit

Position

Bit Name

Not

used

Not

used

Not

used

Not

used

Not

used

Not

used

Not

used

Not

used

Bit Weight

Bit

Position

Bit Name

Not

used

Not

used

Not

used

Not

used

Bit Weight

STATus:QUEStionable:CONDition?

This command is used to read the value of query condition register. When a bit of QUES

condition changes, the bit value corresponding in QUEST event register is 1.

Query syntax：STATus:QUEStionable: CONDition?

Parameter: None

Returned parameter: <NR2>

STATus:QUEStionable:ENABle

This command can set the parameter of quest event enable register. Setting parameter can

determine which bit value of quest event register is 1 and the bit will enable QUES.

Command syntax：STATus:QUEStionable:ENABle <NR2>

Parameter: 0~65535

Default set: Refer to *PSC command

Example: STATus:QUEStionable:ENABle 128

Query syntax: STATus:QUEStionable:ENABle?

Returned parameter: <NR2>

STATus: QUEStionable:NTRansition

This command is used to edit the negative transition trigger register of operation event. The

parameter determines which bits of operation event register is 1 and will change the OPER of

status byte register to be 1.

Command syntax: STATus: QUEStionable:NTRansition <NR1>

Parameter: 0~255

Example: STATus: QUEStionable:NTRansition 128

Query syntax: STATus: QUEStionable:NTRansition?

STATus: QUEStionable:PTRansition

This command is used to edit the positive transition trigger register of operation event. The

parameter determines which bits of operation event register is 1 and will change the OPER of

status byte register to be 1.

Command syntax: STATus: QUEStionable:PTRansition <NR1>

Parameter: 0~255

Example: STATus: QUEStionable:PTRansition 128

Query syntax: STATus: QUEStionable:PTRansition?

STATus:OPERation[:EVENt]?

This command can read the parameter from operation event register. After executing this order,

operation event register is reset.

Query syntax: STATus:OPERation [:EVENt]?

Parameter: None

Returned parameter: <NR1>

Relative command: STATus: OPERation:ENABle

Bit definition of operation event register:

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