YOKOGAWA 7556, Руководство пользователя

Страница: 79 / 139

Communication
Commands
10-5
IM 755601-01E
10
10.1.4 Data
Data
Data contain conditions and values that are written
after the header. A space is used to separate the
header and data. Data are classified as follows.
Data Description
<Decimal> Value expressed as a decimal number
(Example: The number of measured data to be stored
→
:STORe:COUNt 1000
)
<Resistance><Time> Physical value
(Example: Reference value
→
:LIMit:PCNT:REFerence
100KOHM
)
<Register> Register value expressed as either binary, octal, decimal or
hexadecimal.
(Example: Extended event register value
→ :STATUS:EESE #HFE
)
<Character data> Predefined character string (mnemonic). Selectable from { }
(Example: Display format of the measured value
→
:DISPlay[:MODE]{PCNT|OHM}
)
<Boolean> Indicates ON and OFF. Use “ON,” “OFF,” or a value.
(Example: Set to measurement mode
→
:MEASure ON
)
<Block data> Arbitrary 8-bit data
(Example: Response of the stored measurement data
→ #6000010ABCDEFGHIJ
)
<Decimal>
<Decimal> indicates a value expressed as a decimal
number, as shown in the table below. Decimal values
are given in the NR form as specified in the ANSI
X3.42-1975.
Symbol Description Example
<NR1> Integer 125 —1 +1000
<NR2> Fixed point number 125.0 —.90 +001.
<NR3> Floating point number 125.0E+0 —9E—1 +.1E4
<NRf> Any of the forms <NR1> to <NR3> is allowed.
• The instrument can receive decimal values that are
sent from the controller in any of the forms, <NR1> to
<NR3>. This is represented by <NRf>
• For response messages that the instrument returns to
the controller, a specific form is defined for each
query. The same form is used regardless of the size
of the value.
• For the <NR3> format, the “+” sign after the “E” can
be omitted. However, the “–” sign cannot be omitted.
• If a value outside the setting range is entered, the
value will be changed to the closest value inside the
range.
• If a value has more significant digits than the available
resolution, the value is rounded. In addition, for some
commands, mnemonics such as MAX and MIN can
be used as a value.
• For details regarding the resolution and the possible
mnemonics that can be used, see the syntax of each
command in section 10.2.
<Resistance>, <Time>
<Resistance> and <Time> indicate decimal values that
have physical dimensions. <Multiplier> or <Unit> can
be attached to the <NRf> format that was described
earlier. Enter these using any of the following forms.
Form Example
<NRf><Multiplier><Unit> 5KOHM
<NRf><Unit> 5E+3OHM
<NRf><Multiplier> 5K
<NRf> 5E+3
• <Multiplier>
<Multipliers> given in the following table can be
used.
Symbol Prefix Multiplier
EX Exa 10
18
PE Peta 10
15
T Tera 10
12
G Giga 10
9
MA Mega 10 6
K Kilo 10
3
M Milli 10
—3
U Micro 10
—6
N Nano 10
—9
P Pico 10
—12
F Femto 10
—15
A Ato 10
—18
• <Unit>
<Unit> given in the following table can be used.
Symbol Word Description
OHM Ohm
Ω
(resistance)
S Second Time
• <Multiplier> and <Unit> are not case sensitive.
• “U” is used to indicate the micro “
µ
.”
• “MA” is used for Mega to distinguish it from Milli.
• If both <Multiplier> and <Unit> are omitted, the
default unit (
Ω
for resistance, s for time) is used.
• Response messages are returned using the default
unit (
Ω
for resistance, s for time) without the
<Multiplier> or <Unit>.
10.1 Before Programming