Owner's manual

Table Of Contents
4-2 BIT 4882 030507
4.3 SCPI PROGRAMMING
SCPI (Standard Commands for Programmable Instruments) is a programming language con-
forming to the protocols and standards established by IEEE 488.2 (reference document ANSI/
IEEE Std 488.2, IEEE Standard Codes, Formats, Protocols, and Common Commands). SCPI com-
mands are sent to the Interface Card as output strings within the selected programming lan-
guage (PASCAL, BASIC, etc.) in accordance with the manufacturer’s requirements for the
particular GPIB interface card used.
TABLE 4-2. IEEE 488 (GPIB) BUS COMMAND MODE MESSAGES
MNEMONIC MESSAGE DESCRIPTION COMMENTS
ATN Attention Received
DAC Data accepted Received or Sent
DAV Data Valid Received or Sent
DCL Device Clear Received
GET Group Executive Trigger Received
IFC Interface Clear Received
MLA My Listen Address Received
MTA My Talk Address Received
OTA Other Talk Address Received
RFD Ready for Data Received or Sent
SDC Selected Device Clear Received
SPD Serial Poll Disable Received
SPE Serial Poll Enable Received
SRQ Service Request Sent
UNL Unlisten Received
UNT Untalk Received
TABLE 4-3. IEEE 488 (GPIB) BUS DATA MODE MESSAGES
MNEMONIC MESSAGE DESCRIPTION COMMENTS
DAB
Data Byte Received or Sent
END
End Received or Sent
EOS
End of String Received or Sent
RQS
Request Service Sent
STB
Status Byte Sent