Computer Interfacing; Introduction; Computer Interface Terminology - Newport New Focus Picomotor 8743-CL User Manual

5

Computer Interfacing

5.1

Introduction

The Model 8743-CL Controller/Driver has three(3) computer interface ports: USB,
Ethernet, and RS-485. All commands for the 8743-CL Controller/Driver are device
dependent commands.
Please see the General Guidelines sections for using either the USB (Section 5.3),
Ethernet (Section 5.4) or RS-485 (Section 5.5) interfaces. These sections include
important information on using these interfaces properly.
5.2

Computer Interface Terminology

Key abbreviations and concepts used in the command reference section of this manual are
listed below:
<CR> Carriage Return
The ASCII decimal "13" byte.
<LF> Line Feed
An ASCII decimal "10" byte.
<NL> New Line
Whitespace
Optional between commands and between parameters. Whitespace is any character with a
binary value less than or equal to an ASCII space character (except the <NL> character ).
Numerical types
Numerical parameters are passed and returned as the actual ASCII characters in the string
representation of the number. The 8743-CL Controller/Driver Series instrument accepts
numeric values in decimal format only.
47