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Remote OperationTeledyne API – Model T300/T300M CO Analyzer
Teledyne Analytical Instruments 187
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Variable
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8.2.1.3. DATA TYPES
Data types consist of integers, hexadecimal integers, floating-point numbers, Boolean
expressions and text strings.
Integer data: 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: 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.
Floating-point number: Used to specify continuously variable values such as
temperature set points, time intervals, warning limits, voltages, etc.
They consist of an optional plus or minus sign, followed by zero or more digits, an
optional decimal point and zero or more digits.
At least one digit must appear before or after the decimal point.
Scientific notation is not permitted.
For example, +1.0, 1234.5678, -0.1, 1 are all valid floating-point numbers.
Boolean expressions: Used to specify the value of variables or I/O signals that may
assume only two values.
They are denoted by the key words ON and OFF.
Text strings: Used to represent data that cannot be easily represented by other data
types, such as data channel names, which may contain letters and numbers.
They consist of a quotation mark, followed by one or more printable characters,
including spaces, letters, numbers, and symbols, and a final quotation mark.
For example, “a”, “1”, “123abc”, and “()[]<>” are all valid text strings.
It is not possible to include a quotation mark character within a text string.
Some commands allow you to access variables, messages, and other items. When using
these commands,
you must type the entire name of the item
you cannot abbreviate any names.