Ametek SEQUOIA Series - Figure 2-2: Command Message Structure

18 Sequoia Series
2.4.2 Combining Message Units
The following command message is briefly described here, with details in subsequent paragraphs.
Figure 2-2: Command Message Structure
The basic parts of the above message are:
Message Component
Example
Headers
VOLT LEV RANG CURR
Header Separator
The colon in VOLT:LEV
Data
8 166
Data Separator
The space in VOLT 8 and RANG 166
Message Units
VOLT:LEV 8 RANG 166 CURR?
Message Unit Separator
The semicolons in VOLT:LEV 8; and RANG 166;
Root Specifier
The colon in RANG 166;:CURR?
Query Indicator
The question mark in CURR?
Message Terminator
The <NL> (newline) indicator. Terminators are not part of the
SCPI syntax