SCPI Introduction
Copyright © Itech Electronic Co., Ltd. 20
Common Multipliers
1E3 K kilo
1E-3 M milli
1E-6 U micro
2.5 Response Data Types
Character strings returned by query statements may take either of the following
forms, depending on the length of the returned string:
<CRD> Character Response Data. Permits the return of character strings.
<AARD> Arbitrary ASCII Response Data. Permits the return of undelimited
7-bit ASCII. This data type has an implied message terminator.
<SRD> String Response Data. Returns string parameters enclosed in double
quotes.
Response messages
A response message is the message sent by the instrument to the computer in
response to a query command program message.
Sending a response message
After sending a query command, the response message is placed in the Output
Queue. When the Model 2000 Multimeter is then addressed to talk, the
response message is sent from the Output Queue to the computer.
Multiple response messages
If you send more than one query command in the same program message (see
the paragraph entitled, “Multiple Command Messages”), the multiple response
messages for all the queries is sent to the computer when the Model 2000 is
addressed to talk. The responses are sent in the order that the query
commands were sent and are separated by semicolons (;). Items within the
same query are separated by commas (,). The following example shows the
response message for a program message that contains four single item query
commands: 0; 1; 1; 0
Response message terminator (RMT)
Each response is terminated with an LF (line feed) and EOI (end or identify).
The following example shows how a multiple response message is terminated:
0; 1; 1; 0; <RMT>
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