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357BRemote Operation Of The M400E M400E Ozone Analyzer Operator’s Manual
8.1.7.2. Command Syntax
Commands are not case-sensitive and all arguments within one command (i.e. ID numbers, keywords, data
values, etc.) must be separated with a space character.
All Commands follow the syntax:
X [ID] COMMAND <CR>
Where
X is the command type (one letter) that defines the type of command. Allowed designators
are listed in Table 8-3 and Appendix A-6.
[ID]
is the machine identification number (Section8.1.6). Example: the Command “? 700”
followe
d by a carriage return would print the list of available commands for the revision of
software currently installed in the instrument assigned ID Number 700.
COMMAND is the command designator: This string is the name of the command being issued (LIST,
ABORT, NAME, EXIT, etc.). Some commands may have additional arguments that define
how the command is to be executed. Press ? <CR> or refer to Appendix A-6 for a list of
available command designators.
<CR> is a carriage return. All commands must be terminated by a carriage return (usually
achieved by pressing the ENTER key on a computer).
Table 8-3: Teledyne Instruments Serial I/O Command Types
COMMAND COMMAND TYPE
C
Calibration
D
Diagnostic
L
Logon
T
Test measurement
V
Variable
W
Warning
8.1.7.3. Data Types
Data types consist of integers, hexadecimal integers, floating-point numbers, Boolean expressions and text
strings.
Integer data are used to indicate integral quantities such as a number of records, a filter length, etc.
They consist of an optional plus or minus sign, followed by one or more digits. For example, +1, -12,
123 are all valid integers.
Hexadecimal integer data are used for the same purposes as integers. They consist of the two
characters “0x,” followed by one or more hexadecimal digits (0-9, A-F, a-f), which is the ‘C’ programming
language convention. No plus or minus sign is permitted. For example, 0x1, 0x12, 0x1234abcd are all
valid hexadecimal integers.
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