Keithley 2750 User Manual

Model 2750 Multimeter/Switch System User’s Manual Remote Operations 10-13
Angle brackets < > Angle brackets (< >) are used to denote a parameter type. Do
not include the brackets in the program message. For example:
RATio <b>
The <b> indicates a Boolean-type parameter is required.
Therefore, to enable channel ratio, you must send the com-
mand with the ON or 1 parameter as follows:
RATio ON
RATIO 1
Query commands
This type of command requests (queries) the presently programmed status. It is identified
by the question mark (?) at the end of the fundamental form of the command. Most com-
mands have a query form:
TRIGger:TIMer? Queries the timer interval.
Most commands that require a numeric parameter (<n>) can also use the DEFault,
MINimum, and MAXimum parameters for the query form. These query forms are used to
determine the *RST default value and the upper and lower limits for the fundamental com-
mand. Examples are:
TRIGger:TIMer? DEFault Queries the *RST default value.
TRIGger:TIMer? MINimum Queries the lowest allowable value.
TRIGger:TIMer? MAXimum Queries the largest allowable value.
Case sensitivity
Common commands and SCPI commands are not case sensitive. You can use upper or
lower case and any case combination. Examples:
*RST = *rst
DATA? = data?
SYSTem:PRESet = system:preset
NOTE Using all upper case will result in slightly faster command response times.
2750-900-01.book Page 13 Wednesday, August 3, 2011 7:56 AM

Keithley 2750 Specifications

General

Interface	GPIB, RS-232, Ethernet
Switching Speed	Up to 500 channels/second
Maximum Voltage	300V
Operating Temperature	0°C to 50°C
Measurement Functions	DCV, ACV, DCI, ACI, 2-wire Resistance, 4-wire Resistance, Frequency, Temperature
Resolution	6.5 digits
Current	1A
Maximum Current	1A