Xantrex Technology GPIB-XPD manual Description Form, Floating Number Definition Example

Page 36

Operation

Command Syntax

Use commas between parameters in those commands with more than one parameter, and between mnemonic parameters as in the MASK and UNMASK commands. Only one comma is allowed and it may be preceded or followed by any number of spaces.

Example:

MASK CV, OV, FOLD

 

Table 3.3

Command Parameters

 

Parameter

 

Description

Form

 

 

 

<current>, <Ihi>, <Ilo>

The current in amps or milliamps. If no unit is

<float>

 

 

given, the default unit is amps.

<float>A

 

 

 

<float>mA

<time>

 

The time in seconds or milliseconds. If no unit

<float>

 

 

is given, the default unit is seconds.

<float>s

 

 

 

<float>ms

<voltage>, <Vlo>, <Vhi>

The voltage in volts or millivolts. If no unit is

<float>

 

 

given, the default unit is volts.

<float>V

 

 

 

<float>mV

<mnemonics>

A combination of CV, CC, CV, OV, OT, SD,

See registers

 

 

FOLD, ERR, PON, REM, ACF, OPF, and

on page 46.

 

 

SNSP. See MASK and UNMASK commands

 

 

 

in the command reference for use of the ALL

 

 

 

and NONE parameters.

 

<state>

 

The state of a binary condition.

<1/ON,

 

 

 

0/OFF>

Floating Point Number <float> Variables sent with command parameters are floating point numbers. Table 3.4 defines the structure of floating point numbers for use with the software commands.

Table 3.4 Floating Point Numbers

Floating Number Definition

Example

The floating point number has four significant fig-

1.234

ures. It can be of either sign, positive or negative.

-1.234

 

+1.234

A floating point number can have one decimal point.

0.123

 

1.2

 

123.4

Scientific Notation

123.0E-1

Use E or e after the number for a base ten exponent.

1.2E-1

An integer of either sign must follow an exponent.

10.00E+1

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Operating Manual for GPIB for XPD Series Power Supply

Image 36
Contents GPIB-XPD Page Internal Gpib Interface for XPD 500 Watt Series How do you get service? Phone 604 422 Toll Free North America 800 667 Fax 604 421What does this warranty not cover? Disclaimer Product Information About Your Power Supply Model Number Serial Number Purchased From Purchase DateSafety SupplyInstallation and Configuration Main SectionsManual Revisions About This Manual Contents Contents Features and Specifications DescriptionFeatures and Functions Features and SpecificationsFunctions ReadbackSpecifications Models 18-30 33-16 60-9 120-4.5OVP Features and Specifications Introduction Initial InspectionPower Supply Front Panel with Gpib Interface Installed Gpib Interface Subplate Located on Power Supply Rear Panel Gpib Interface PCB Basic Setup Procedure Step # Description Action ReferencePON SRQ IEEE-488 Primary Address Selection AddressPower On Service Request PON SRQ Rear Panel SRQ Switch Position PON SRQ StateSwitch Position Power on results Condition Default Settings Model Example IsetIEEE-488 Controller Connection Internal PCB Jumper SelectionsOVP Control Mode Selection User Signals High OFF LOWHigh LOW OFF User Signals J21 Connector J21 User Signal Connector Circuit Block Diagram J21 User Cable with Ferrite Block Operation Gpib OperationExample Command directed to entire bus, or Bit Decimal Description Reset By Position Weight Request Service SRQ Set whenPower On PON Set when unit LSBCommand Syntax Computer EntryFormat Description Form Floating Number Definition ExampleIset 2.0A Vset Command Summary AUXA? AUXB?CMODE? DLY?FAULT? CmodeIdata IHICommand Reference Command DescriptionAuxa 1 on Auxb 1 onChanging an output setting Response Fold mode where mode is Snsp Mask None = Unmask ALLStatus, and Fault Registers on Accumulated Status, Status, and Fault Registers on SNSP, ALL, NoneResponse Vmax voltage Accumulated Status, Status, and Fault Registers Condition Mnemonic Bit Position Bit WeightError Codes 11 Error CodesTroubleshooting LEDsCalibration Voltage Mode Calibration SetupVoltage Program Calibration Procedure Readback VoltageCalibration Current Mode Calibration Current Calibration SetupCurrent Program Calibration Procedure Current Readback Calibration Procedure Over Voltage Protection OVP Calibration Page Xantrex Technology Inc