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Keithley 3721-ST User Manual

Keithley 3721-ST
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Section 11: TSP command reference Series 3700A System Switch/Multimeter Reference Manual
11-82 3700AS-901-01 Rev. D/June 2018
channel.pattern.snapshot()
This function creates a channel pattern.
Type
TSP-Link accessible
Affected by
Where saved
Default value
Function
Yes
Instrument reset
Channel reset
Recall setup
Pole setting change
Create configuration script
Save setup
Not applicable
Usage
channel.pattern.snapshot("name")
name
A string representing the name to associate with the present state of channels and
analog backplane relays
Details
This command stores an image of presently closed channels and analog backplane relays and
associates them with the name parameter.
If name is already used for an existing channel pattern, that pattern is overwritten with the new pattern
channel image (if no errors occur). The DMM configuration associated with the pattern remains
unchanged.
The following restrictions exist when naming a channel pattern:
The name must contain only letters, numbers, or underscores
The name must start with a letter
The name is case sensitive
Examples of valid names:
Channels
Chans
chans
Path1
Path20
path_3
Examples of invalid names:
1path (invalid because it starts with a number)
my chans (invalid because it contains a space)
My,chans (invalid because it contains a comma)
Path1:10 ( invalid because it contains a colon)
An error is generated if:
The name parameter already exists as a label
Insufficient memory exists to save the channel pattern and name in persistent memory
The pattern name exceeds 19 characters or contains a space
Issuing this function on an existing pattern invalidates the existing scan list (the pattern may or may
not be used in the current scan list). Creating a new pattern does not invalidate the existing scan list.

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Keithley 3721-ST Specifications

General IconGeneral
TypeMultimeter
Model3721-ST
ManufacturerKeithley
Measurement FunctionsDC Voltage, AC Voltage, DC Current, AC Current, Resistance, Frequency, Temperature
Relay TypeElectromechanical
Temperature Range-200°C to 1820°C
AccuracyVaries by function and range
ResolutionVaries by function and range
DisplayLCD
InterfaceGPIB, RS-232
TopologyMultiplexer
Maximum Switching Voltage300 V
Maximum Switching Current1 A
Input Impedance>10 GΩ (DC Voltage ranges)

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