Model 2700 Multimeter/Switch System User’s Manual Rel, Math, Ratio, Channel Average, dB 5-19
Remote programming — ratio and channel average
Ratio and channel average commands
The ratio and channel average are listed in Table 5-3. Details on these commands follow
the table.
NOTE Queries are not included in Table 5-3. All the math commands are provided in
Table 15-5.
Enabling/disabling ratio or channel average
As with front panel operation, enabling ratio disables channel average and conversely,
enabling channel average disables ratio.
Ratio and channel average delay
:RATio:DELay or :CAVerage:DELay sets the delay between the two channel measure-
ments for the enabled calculation. This delay is applied after the trigger delay in the trigger
model (see
Section 8 for details). This delay cannot be set from the front panel. The 0.5s
default delay keeps the relays from cycling too fast. Setting a shorter delay may shorten
the life of the relays.
It does not matter which of the two commands you use to set the delay. The set delay
affects both ratio and channel average.
Table 5-3
Ratio and channel average commands
Commands* Description Def
[SENSe[1]] Optional root command.
:RATio[:STATe] <b> [, <clist>] Enable/disable ratio; <b> = ON or OFF. OFF
:RATio:DELay <NRf> [, <clist>] Set delay (in secs); <NRf> = 0 to 99999.999. 0.5
:CAVerage[:STATe] <b> [, <clist>] Enable/disable channel average; <b> = ON or OFF. OFF
:CAVerage:DELay <NRf> [, <clist>] Set delay (in secs); <NRf> = 0 to 99999.999. 0.5
Channel list parameter:
<clist> = (@SCH)
where: S = Mainframe slot number (1 or 2)
CH = Switching module channel number (must be 2 digits)
Examples: (@101) = Slot 1, Channel 1
(@101, 203) = Slot 1, Channel 1 and Slot 2, Channel 3
(@101:110) = Slot 1, Channels 1 through 10
*The <clist> parameter is used to configure one or more channels for a scan.
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