Elecraft KPA500 Prog. Reference User Manual download pdf

ELECRAFT KPA500 PROGRAMMERʼS REFERENCE

Rev. A2 (See Appendix for change history)

Command Set Overview

The KPA500 provides a set of remote-control commands to control most functions and to allow

monitoring of the ampliﬁer.

Name

Description

Name

Description

^AL

ALC Threshold

^OS

STBY/OP Mode Selection

^AR

Atten Fault Release Time

^PJ

Power Adjustment

^BC

STBY on Band Change

^RVM

Firmware Version

^BN

Band Selection

^SN

Serial Number

^BRP

PC Port RS232 Data Rate

^SP

Speaker On/Off

^BRX

XCVR Port RS232 Data Rate

^TM

PA Temperature

^DMO

Demo Mode

^TR

T/R Delay Time

^FC

Fan Minimum Control

^VI

PA Voltage and Current

^FL

Fault value

^WS

Power / SWR

^NH

INHIBIT input control

^XI

Radio Interface Selection

^ON

Power Status/Control

Command Format

Commands sent from the computer to the KPA500 are considered either GETs or SETs. GET commands

are used by the computer to get information from the KPA500; the KPA500 will then provide an

appropriate response message (RSP). SET commands are sent by the computer to change the instrument's

conﬁguration or initiate an event. Commands with an incorrect format or an out-of-range parameter are

ignored. A SET can be followed by a GET to verify the new settings.

SET commands use 2 or 3 characters, optional data ﬁelds, and a terminating semicolon (;). Examples:

^BN05;! Computer selects xxm band

^OS1;! Computer sets OPER mode in KPA500.

Many SET commands have a corresponding GET command, which is just the command letters with no

data, plus the semicolon. The data format of the response message from the KPA500 (RSP) is usually

identical to the format of the SET data. Exceptions are noted in the command descriptions.

Characters sent to the KPA500 can be in either upper or lower case. The KPA500 always responds with

upper case. The KPA500 will respond to a null command, containing only a ‘;’ by echoing the ‘;’

character. This may be useful to make sure the PC is communicating with the KPA500.

1 2 3 4 5

Summary of Contents

Page 1 - Command Format

ELECRAFT KPA500 PROGRAMMERʼS REFERENCERev. A2 (See Appendix for change history)Command Set OverviewThe KPA500 provides a set of remote-control command

Page 2 - Command Reference

Command ReferenceThis section describes all KPA500 GET, SET and RSP (response) command formats. Unless otherwise noted, the GET format is just the 2 o

Page 3

^FC" (Fan Minimum Control, GET/SET)RSP/SET format: ^FCn; where n = fan minimum speed with range from 0 (off) to 6 (high).^FL" (Current Fault

Page 4

^TM" (PA Temperature, GET only)RSP format: ^TMnnn; where nnn = temperature with range of 0 - 150 degrees C.^TR" (TR delayTime for transition

Page 5 - Appendix: Change History

BootLoader Command ReferenceThe KPA500 uses single character commands when in boot mode. Boot mode is the state the KPA500 is in when the rear panel p

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Elecraft KPA500 Prog. Reference User Manual

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