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4-26 Agilent 87130A Operating and Service Manual
Remote Operation
SCPI Command Reference
SCPI Command Reference
Channel Lists The 87130A can control up to seven different external driver cards, each of
which can drive up to 31 different relays. The cards are numbered from 1 to
8; the relays on each card are numbered from 0 to 30. Each relay is referred
to as a channel by the switch driver. Therefore, there are a total of 248 relays
(channels) that can be driven from a single switch driver.
In order to realize the capability of the switch driver, many of the commands
listed in the “SCPI Command Reference” utilize a language construct called
a channel list. A single remote command may specify single or multiple
relays by means of this channel list.
The syntax for channel lists is as follows:
(@channel number, channel number,...,)
or
(@channel number: channel number,),(a range)
or
(@card number, (channel number, channel number,...,))
or
(@card number, (channel number: channel number,))
or
(@) empty channel list
The card number must always be sent, either as the card number parameter
or as part of a channel number (or range). When sent as part of a channel
number, the card number is multiplied by 100 and added to the channel
number. For example, 214 would mean channel 14 on card 2.
Example (@101,2(0:5),3(1,3,5),406:410)
This means channel 1 on card 1, channels 0 through 5 on card 2, channels 1,
3 and 5 on card 3, and channels 6 through 10 on card 4.
SCPI Commands The following pages list all of the SCPI compound command program
mnemonics used to program this instrument.