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Relay Numbering
Channel Lists
Chapter 3
Linking Multiple SCPI Commands. Use both a semicolon (
colon (
:
) between the commands. For example:
CLOS (@02);:OPEN (@03)
All relays numbers have the form ccnn. Where cc represents the card number and nn
represents the channel number. The SCPI Driver supports single modules only,
therefore cc is always 1. To simplify programming, the card number (cc) can be
eliminated.
•
Channel numbering on each Switch M-Module begins with channel 00.
•
The HP E2270 supports channels 00 through 15.
•
The HP E2271 supports channels 00 through 03, 10 through 13, 20 through 23,
and 30 through 33.
•
The HP E2272 supports channels 00 through 15.
The <channel list> parameter in the CLOSE or OPEN command has the form
(@ccnn), where cc is the card number and nn is the channel number.
Note
The SCPI Driver supports single modules only, therefore cc is always 1. To
simplify programming, the card number (cc) can be eliminated.
You can specify a single channel (@nn), use commas to specify multiple channels
(@nn,nn,...), or use a colon to specify a range of channels (@nn:nn). You can also
specify any combination of single channels, multiple channels, and channel ranges.
Some examples:
CLOS (@00,03)
!Close channels 00 and 03
OPEN (@01,02,03,10)
! Open channels 01, 02, 03 and 10
OPEN (@00:07)
! Open channels 00 through 07
CLOS (@02:05,07,09:11)
! Close channels 02 through 05, 07, and 09 through 11
Note
A range of channels (@nn:nn) must be specified in ascending order, that is
lower channel number on the left, higher number on the right.
;
)and a
SCPI Command Reference
27
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