Keithley 2750 User Manual

2-18 Close/Open Switching Module Channels Model 2750 Multimeter/Switch System User’s Manual
3. Press ENTER to display the prompt to open a channel (OPEN MLT:XXX).
4. Using , ,
Δ , and ∇, key in the three-digit channel you want to select.
5. Press ENTER to open the channel.
NOTE If the channel you open using OPEN: MULTI is the system channel (channel
number displayed on the Model 2750), the channel will open, but the system
channel number will still be displayed (see “Multiple channel operation
anomalies,” page 2-21).
Figure 2-7
Multiple channel operation — opening one or all channels
Remote programming — Multiple channel control commands
The commands to close and open the system channel are listed in Table 2-2.
Table 2-2
Multiple channel control commands
Commands Description Ref
ROUTe:MULTiple:CLOSe <clist> Specify one or more channels to
close.
a
ROUTe:MULTiple:OPEN <clist> Open channels specified in list. Unlisted
channels not affected.
b
ROUTe:OPEN:ALL Open all channels. c
ROUTe:MULTiple:CLOSe? Returns a <clist> of all closed channels. d
ROUTe:MULTiple:CLOSe:STATe?
<clist>
Query closed channels in specified list
(1 = closed).
e
Channel list parameter:
<clist> = (@SCH)
where: S = Mainframe slot number (1, 2, 3, 4 or 5)
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
CLOSEOPEN
OPEN: MULTI
Press OPEN key
Display MULTI option
and press ENTER
OPEN: ALL
OPEN MULTI:XXX
Display ALL option
and press OPEN again
Specify channel number
(XXX) and press ENTER
2750-900-01.book Page 18 Wednesday, August 3, 2011 7:56 AM

Keithley 2750 Specifications

General

Brand	Keithley
Model	2750
Category	Switch
Language	English