Keithley 2450 User Manual

Model 2450
Interactive SourceMeter® Instrument Reference Manual Section 8:
TSP command reference
2450-901-01 Rev. B/September 2013 8-63
format.byteorder
This attribute sets the binary byte order for the data that is printed using the printnumber() and
printbuffer() functions.
Type TSP-Link accessible Affected by Where saved Default value
Attribute (RW)
No
Restore configuration
Instrument reset
Power cycle
Configuration script
format.LITTLEENDIAN
Usage
order = format.byteorder
format.byteorder = order
order
Byte order value as follows:
• Most significant byte first: format.BIGENDIAN
•
Least significant byte first: format.LITTLEENDIAN
Details
This attribute selects the byte order in which data is written when you are printing data values with the
printnumber() and printbuffer() functions. The byte order attribute is only used with the
format.REAL32 and format.REAL64 data formats.
If you are sending data to a computer with a Microsoft Windows operating system, select the
format.LITTLEENDIAN byte order.
Example
x = 1.23
format.data = format.REAL32
format.byteorder = format.LITTLEENDIAN
printnumber(x)
format.byteorder = format.BIGENDIAN
printnumber(x)
Output depends on the terminal program
you use, but will look something like:
#0¤p??
#0??p¤
Also see
format.asciiprecision (on page 8-62)
format.data (on page 8-64)
printbuffer() (on page 8-78)
printnumber() (on page 8-81)

Keithley 2450 Specifications

General

Model	2450
Category	SourceMeter
Voltage Source Range	±200 V
Current Source Range	±1 A
DC Voltage	200 V
DC Current	1 A
Power Output	20 W
Resolution	6.5 digits
Display	5-inch capacitive touchscreen
Operating Temperature	0°C to 50°C
Connectivity	USB, LAN, GPIB
Dimensions	213 mm × 88 mm × 370 mm