Thank you for purchasing the FX100. This manual describes the functions (excluding
the communications functions), installation and wiring procedures, operating procedures,
and handling precautions of the FX100. To ensure correct use, please read this manual
thoroughly before beginning operation. The following manuals are also provided in
addition to this manual. Read them along with this manual.
Electronic Manuals Provided on the Accompanying CD-ROM
Manual TitleManual No.Description
FX100IM 04L20A01-17EDescribes the communication functions of the
Communication InterfaceFX100 using the Ethernet/serial interface.
User’s Manual
DAQSTANDARDIM 04L20A01-61EDescribes the functions and operating
User’s Manualprocedure of the software “DAQSTANDARD”
that comes with the package.
Paper Manuals
Manual TitleManual No.Description
FX100 Operation GuideIM 04L20A01-02EA guide providing simple explanations of
operations for the FX100.
Support for the FX100 onIM 04L20A01-03EDescribes the operation for scanning and
DAQLOGGER andrecording data from the FX100 using
DAQEXPLORERDAQLOGGER and DAQEXPLORER.
Notes
Trademarks
• The contents of this manual are subject to change without prior notice as a result of
continuing improvements to the instrument’s performance and functions.
• Every effort has been made in the preparation of this manual to ensure the accuracy of
its contents. However, should you have any questions or find any errors, please contact
your nearest YOKOGAWA dealer as listed on the back cover of this manual.
• Copying or reproducing all or any part of the contents of this manual without the
permission of Yokogawa Electric Corporation is strictly prohibited.
• The TCP/IP software of this product and the document concerning the TCP/IP
software have been developed/created by YOKOGAWA based on the BSD
Networking Software, Release 1 that has been licensed from the Regents of the
University of California.
• Microsoft, MS-DOS, Windows, Windows XP, and Windows NT are either registered
trademarks or trademarks of Microsoft Corporation in the United States and/or other
countries.
• Adobe, Acrobat, and PostScript are trademarks of Adobe Systems incorporated.
• CompactFlash and CF are trademarks of SanDisk Corporation in the USA.
• For purposes of this manual, the TM and symbols do not accompany their
respective trademark names or registered trademark names.
• Company and product names that appear in this manual are trademarks or registered
trademarks of their respective holders.
The FX100 conforms to IEC safety class I (provided with terminal for protective grounding), Installation
Category II, and EN61326-1 (EMC standard), class A (use in a commercial, industrial, or business
environment).
This product is a measurement category II (CAT II) instrument.
* Measurement category II (CAT II)
Applies to measuring circuits connected to low voltage installation, and electrical instruments supplied with power from
fixed equipment such as electric switchboards.
The following general safety precautions must be observed during all phases of operation. If the FX100 is
used in a manner not specified in this manual, the protection provided by the FX100 may be impaired.
YOKOGAWA Electric Corporation assumes no liability for the customer’s failure to comply with these
requirements.
Please use this instrument as a measurement category II (CAT II) instrument.
This instrument is for indoor use only.
About This Manual
• This manual should be read by the end user.
• Read this manual thoroughly and have a clear understanding of the product before operation.
• This manual explains the functions of the product. YOKOGAWA does not guarantee that the product will suit
a particular purpose of the user.
• Under absolutely no circumstances may the contents of this manual be transcribed or copied, in part or in
whole, without permission.
• The contents of this manual are subject to change without prior notice.
• Every effort has been made in the preparation of this manual to ensure the accuracy of its contents.
However, should you have any questions or find any errors or omissions, please contact your nearest
YOKOGAWA dealer.
Precautions Related to the Protection, Safety, and Alteration of the Product
• The following safety symbols are used on the product and in this manual.
“Handle with care.” (To avoid injury, death of personnel or damage to the instrument, the operator
must refer to the explanation in the manual.)
Protective grounding terminal
Alternating current
• For the protection and safe use of the product and the system that integrates the product, be sure to follow
the instructions and precautions on safety that are stated in this manual whenever you handle the product.
Take special note that if you handle the product in a manner that violate these instructions, the protection
functionality of the product may be damaged or impaired. In such cases, YOKOGAWA does not guarantee
the quality, performance, function, and safety of the product.
• If you are replacing parts or consumable items of the product, make sure to use parts specified by
YOKOGAWA.
• Do not modify this product.
iiIM 04L20A01-01E
Safety Precautions
WARNING
Power Supply
Ensure that the source voltage matches the voltage of the power supply before turning ON the power.
Protective Grounding
Make sure to connect the protective grounding to prevent electric shock before turning ON the power.
Necessity of Protective Grounding
Never cut off the internal or external protective earth wire or disconnect the wiring of the protective
earth terminal. Doing so invalidates the protective functions of the instrument and poses a potential
shock hazard.
Defect of Protective Grounding
Do not operate the instrument if the protective earth might be defective. Make sure to check them
before operation.
Do Not Operate in an Explosive Atmosphere
Do not operate the instrument in the presence of flammable liquids or vapors. Operation in such
environments constitutes a safety hazard.
Do Not Remove Covers
The cover should be removed by YOKOGAWA’s qualified personnel only. Opening the cover is
dangerous, because some areas inside the instrument have high voltages.
External Connection
Connect the protective grounding before connecting to the item under measurement or to an external
control unit.
Damage to the Protective Structure
Operating the FX100 in a manner not described in this manual may damage its protective structure.
Exemption from Responsibility
• YOKOGAWA makes no warranties regarding the product except those stated in the WARRANTY that is
provided separately.
• YOKOGAWA assumes no liability to any party for any loss or damage, direct or indirect, caused by the user
or any unpredictable defect of the product.
Handling Precautions of the Software
• YOKOGAWA makes no warranties regarding the software accompanying this product except those stated in
the WARRANTY that is provided separately.
• Use the software on a single PC.
• You must purchase another copy of the software, if you are to use the software on another PC.
• Copying the software for any purposes other than backup is strictly prohibited.
• Please store the original media containing the software in a safe place.
• Reverse engineering, such as decompiling of the software, is strictly prohibited.
• No portion of the software supplied by YOKOGAWA may be transferred, exchanged, sublet, or leased for
use by any third party without prior permission by YOKOGAWA.
IM 04L20A01-01E
iii
Checking the Contents of the Package
Unpack the box and check the contents before operating the instrument. If some of the
contents are not correct or missing or if there is physical damage, contact the dealer
from which you purchased them.
FX100
When you open the operation key panel on the front panel, a name plate is located on
the back side of the cover. Check that the model name and suffix code given on the
name plate on the rear panel match those on the order.
Do not remove
the cover.
Repair by trained
personal only.
MODEL
SUFFIX
NO.
STYLE
Do not remove
the cover.
Repair by trained
personal only.
MODEL and SUFFIX
Model
FX103
FX106
FX112
External
storage
medium
Displayed language
Options
*1 Only one can be specified at once.
*2 Either one can be specified.
*3 If /F1 is specified, /A3 cannot be specified.
*4 If /PM1 is specified, /A3, /M1, or /R1 cannot be specified.
If /PM1 is specified, /A2/F1 cannot be specified.
Suffix CodeOptional CodeDescription
Number of inputs for measurement: 3ch
Number of inputs for measurement: 6 ch
Three-terminal isolated RTD (input for measurement)
Pt1000 Ω RTD input
24 VDC/AC power supply
Pulse measurement input 3 points, Remote control
5 points*
/R1
Remote control 8 points
4
MODEL
SUFFIX
NO.
STYLE
*1
*1
*1
*2
*2
*3
NO. (Instrument Number)
When contacting the dealer from which you purchased the instrument, please give them
the instrument number.
ivIM 04L20A01-01E
Standard Accessories
The standard accessories below are supplied with the instrument. Check that all
contents are present and that they are undamaged.
Checking the Contents of the Package
1
No. NamePart Number/Model Q’ty Note
1Terminal screws3M4
2Mounting bracketB9900BX2For panel mounting
3 DAQSTANDARD FXA100 1 CD-ROM used to install
4FX100B8703KA1CD-ROM containing the PDF files of this
electronic manualmanual, the FX100 Communication
5FX100 OperationIM 04L20A01-02E1A guide providing simple explanations of
Guideoperations for the FX100.
Support for the FX100 on IM 04L20A01-03E1Describes the operation for scanning and
DAQLOGGER andrecording data from the FX100 using
DAQEXPLORERDAQLOGGER and DAQEXPLORER.
The following optional accessories are available for purchase separately. When you
receive the order, check that all contents are present and that they are undamaged.
For information and ordering, contact your nearest YOKOGAWA dealer.
“DAQSTANDARD,” software for setting
the FX100 and displaying data.
Interface User’s Manual, DAQSTANDARD
User’s Manual, and other files.
capacity and model of CF memory card
may vary) provided only when the
external storage medium suffix code is “4”
6
IM 04L20A01-01E
v
How to Use This Manual
Structure of the Manual
This user’s manual consists of the following sections. For details on the communications
functions and the software “DAQSTANDARD” provided with the package, see the
respective manuals (IM 04L20A01-17E and IM 04L20A01-61E).
ChapterTitle and Description
1Explanation of Functions
Describes in detail the functions of the instrument. The chapters that explain the
operation of the FX100 only describe the operating procedures. For more detailed
information about the functions, see this chapter.
2Installation and Wiring
3Names of Parts, Display Modes, and Common Operations
4Measurement Input and Alarm Related Setup Operations
5Operations on the Operation Screens
6Operations for Changing the Displayed Contents
7Data Save/Load Operations
8Computation and Report Function Related Operations (/M1 or /PM1 Option)
9Operations of Other Functions
10Troubleshooting
11Maintenance
12Specifications
AppendixDescribes how to estimate the time for acquiring measured data to the internal memory,
Index
Describes the installation and wiring procedures of the FX100.
Describes the names of the parts of the FX100, the basic key operations, the basic
operations carried out initially, and how to use the external storage medium drive.
Describes how to set the input for the measurement and alarms.
Describes how to use the operation screens.
Describes how to change the display format and write user defined messages.
Describes how to write various data to the internal memory, how to save and load from
the external storage medium, and the file operations on the external storage medium.
Describes how to set and execute operations related to the computation function and
report function of the computation function option.
Describes the USER key, key lock, login/logout of key operation, log display, alarm on
internal memory remaining space, and remote input setting.
Describes the error messages and the troubleshooting measures of the FX100.
Describes periodic inspection, calibration, and recommended replacement period for
worn parts.
Describes the specifications of the FX100.
meaning and syntax of computation equations, data types the FX100 creates, the ASCII file
format, and a list of the setup items.
Note
• This user’s manual covers information regarding FX100s that have a suffix code for
language “-2” (English).
• For details on setting the displayed language, see section 3.6.
Danger. Refer to corresponding location on the instrument.
This symbol appears on dangerous locations on the instrument
which require special instructions for proper handling or use. The
same symbol appears in the corresponding place in the manual to
identify those instructions.
WARNING
CAUTION
Note
Symbols Used on Pages Describing Operating Procedures
On pages that describe the operating procedures in Chapter 3 through 11, the following
symbols are used to distinguish the procedures from their explanations.
[]................Indicates character strings that appear on the screen.
Procedure
Calls attention to actions or conditions that could cause serious
injury or death to the user, and precautions that can be taken to
prevent such occurrences.
Calls attentions to actions or conditions that could cause damage to
the instrument or user’s data, and precautions that can be taken to
prevent such occurrences.
Calls attention to information that is important for proper operation
of the instrument.
Example: [Space] soft key, [Volt]
This subsection contains the operating procedure used to carry out
the function described in the current section. All procedures are
written with inexperienced users in mind; experienced users may
not need to carry out all the steps.
IM 04L20A01-01E
Explanation
Setup Items
Describes the details of the settings and the restrictions that exist
with the operating procedure. It does not give a detailed
explanation of the function. For details on the function, see chapter
Appendix 4 Types of Data Created on the FX100 and Their Uses .......................................App-13
Appendix 5 Data Formats of ASCII Files .............................................................................. App-14
Appendix 6 List of Parameters ..............................................................................................App-18
Index
xIM 04L20A01-01E
Chapter 1 Explanation of Functions
1.1Overview of the FX100
Measurement Input
DC voltage, thermocouple, resistance temperature detector, or ON/OFF signal (contact
signal or voltage signal) can be measured. The input signal is A/D-converted at a scan
interval and becomes a measured value of the channel. In addition, difference
computation, square-root computation, and scaling can be carried out on the measured
data to be a measured value of the channel. With the pulse measurement function (/
PM1 option), you can measure the number of pulses per unit time and pulse sum value.
Displaying the Measured Data
The measured data acquired to the internal memory can be displayed on the operation
display using trend waveforms, numeric values (digital values), or bar graphs.
Trend DisplayDigital Display
1
Explanation of Functions
Alarms
Bar Graph Display
Alarms can be generated when the measured data meets a certain condition. When an
alarm occurs, you can have the information about the alarm displayed on the operation
screens. Also, you can output relay signals from the alarm output terminal on the option
terminal block (/A1, /A2, /A3 options). The overview display allows you to check the
alarm status on all channels. Also, the alarm summary shows detailed information about
the alarms in the order that they occurred.
Overview Display ExampleAlarm Summary Display Example
Alarm occurrence channel
Area of channels on which
an alarmis occurring is
indicated in red.
Area of channels on which
an alarm is not occurring
is indicated in green.
(channel No. or tag)
Alarm No. /type
Date and time when
the alarm occurred
Date and time when
the alarm was released
IM 04L20A01-01E
1-1
1.1 Overview of the FX100
Saving Data
Communication Function
The measured data is acquired to the internal memory. The data in the internal memory
can also be saved to external storage media such as floppy disks (2HD) and compact
flash memory cards on models with a drive.
FX100
External Storage Medium
FD
CF memory card
The data that has been saved to an external storage medium can be displayed on a PC
using the DAQSTANDARD software that comes with the package. The data can also be
loaded into the FX100 to be displayed.
You can carry out the following types of operations by using the optional communication
functions (/C7, /C2, /C3).
• Operate the FX100.
• Configure the FX100.
• Monitor the measured data.
• Read the setup data or measured data from the FX100.
• Read files on the storage medium of the FX100.
You can also carry out the following types of operations by using the Ethernet
communication interface (/C7).
• Transmit the measured data in units of files to the FTP server on the network.
• Retrieve the files on the storage medium of the FX100 from a PC on the network.
• Display the screen of the FX100 on a Web browser on a PC.
• Transmit e-mail messages to preset recipients when events such as alarm
generations occur.
FX100
PC
DAQSTANDARD
1-2
Retrieves files on the external storage medium.
Displays the screen of the FX100 on a Web browser.
Transmits e-mail messages.
Transfers measured data files.
FTP server
Primary
Secondary
The communication functions using the Ethernet or serial interface are not covered in
this manual. See the ”
FX100 Communication Interface User’s Manual
” (IM 04L20A01-
17E).
By using the DAQSTANDARD that comes standard with the FX100, the following
operations are possible.
• Displaying the measured data
• Converting the measured data to ASCII, Lotus, or Excel formats
• Configuring the setup file for the FX100
See the “
DAQSTANDARD User’s Manual
” (IM 04L20A01-61E).
IM 04L20A01-01E
1.2Functions of the Input Section
Number of Measurement Channels/Scan Interval
The number of measurement channels and scan intervals for different models are listed
in the table below.
ModelNumber of Measurement ChannelsScan Interval
FX1033 channels250 ms
FX1066 channels1 s or 2 s
FX11212 channels1 s or 2 s
Input Type and Computation
You can select the input type of a measurement channel from the table below. In
addition, difference computation, square-root computation, and scaling can be performed
on the measured data and display or save the computed result as measured data.
Input typeDescription
DC voltageMeasures a DC voltage in the range of ±20 mV to ±50 V.
DC currentThe current signal is converted to a voltage signal by a shunt resistor
ThermocoupleMeasures temperatures corresponding to the temperature range of
Resistance temperatureMeasures temperatures corresponding to the appropriate range for
detectorPt100, JPt100, or Pt1000.
ON/OFF inputDisplays the contact input or voltage input signals by correlating them to
Pulse inputFor the description, see page 1-7.
*1 Pt1000 is optional (/N3 option).
attached to the input terminal and measured. The measurable range is
the range equivalent to the “DC voltage” range indicated above after
converting the current to the voltage signal.
each thermocouple type such as R, S, B, K, E, J, T, N, W, L, U, and
WRe3-25.
*1
0% or 100% of the display range.
Contact input: Closed contact is ON (1).
Open contact is OFF (0).
Voltage input: Less than 2.4 V is OFF (0).
Greater than or equal to 2.4 V is ON (1)
1
Explanation of Functions
IM 04L20A01-01E
Note
For converting a current signal to a voltage signal, three shunt resistors are provided (see
“
Optional Accessories (Sold Separately)
used to convert a 4 to 20 mA to a 1 to 5 V.
Measurable Range and Measurement Span
You can specify an arbitrary range for a measurement span within the measurable
range and display the measured data.
Measurable range
(Example: TC Type R)
1760.0°C
0.0°C
Measurement span
” on
page v
. A 250 W shunt resistor, for example, is
1500.0°C
(Upper limit of the measurement span)
300.0°C
(Lower limit of the measurement span)
1-3
1.2 Functions of the Input Section
Difference Computation
The value obtained by subtracting the measured value of another channel (this
channel is called a “reference channel”) from the input value becomes a measured
value of the channel.
Input value
Note
Even if the input type or the measurement range of the difference computation channel and
the reference channel is not the same, the difference computation is performed according to
the following rules.
• When the decimal position between the reference channel and the difference computation
• When the units for the reference channel and the difference computation channel are
• When the reference channel is set to [Scale] or [Sqrt], the computation uses the scaled
Difference computation
+
−
Measured value of the reference channel
channel is different, the measured value of the reference channel is adjusted to the
decimal position of the measured value of the difference computation channel to make the
computation.
Example: When the measured value of the difference computation channel is 10.00 and
the measured value of the reference channel is 100.0, the computation result becomes
10.00 – 100.0 = –90.00.
different, the measured value is not adjusted.
Example: When the measured value of the difference computation channel is 10.00 V and
the measured value of the reference channel is 5.00 mV, the computation result becomes
10.00 V – 5.00 mV = 5.00 V.
values.
Measured
value
Scaling
The input value is converted to a value in the appropriate unit and the converted value
becomes a measured value of the channel.
Measured valueInput value
5 V300.0 °C
1 V−100.0 °C
Square Root
When the input type is set to “DC voltage,” the square root of the input value is
computed. The computed result is scaled to a value in the appropriate unit and the
scaled value becomes a measured value of the channel.
Square root computation
Input value
√
Scaling
Measured
value
Note
• The FX100 uses the following square-root computation:
min
V – V
F = (F – F )
max
x minmin
• Vmin: Lower limit of span • Fmin: Lower limit of scale • Vx: Input voltage
• Vmax: Upper limit of span • Fmax:Upper limit of scale • Fx: Scaling value
• When the value inside the square root is negative, the measured value is indicated as
when Fmin < Fmax: “–Over,” or when Fmin > Fmax: “+Over”.
x
maxmin
V – V
+ F
1-4
IM 04L20A01-01E
1.2 Functions of the Input Section
Burnout Detection
When measuring temperature using a thermocouple and the thermocouple burns out,
you can specify the measurement result to be set to positive over range* or negative
over range.* Burnout can be set on each measurement channel.
* Positive over range is a condition in which the input signal is over the upper limit of the
measurable range. Negative over range is a condition in which the input signal is below the
lower limit of the measurable range. The measured value is indicated as “Burnout” for both
cases.
Reference Junction Compensation (RJC)
When measuring the temperature using a thermocouple, the reference junction
compensation can be used. You can select whether to use the reference junction
compensation provided by the FX100 or external reference junction compensation. If
you are using external reference junction compensation, you will also set the
reference voltage.
Note
When using the external reference junction compensation, set an appropriate reference
junction compensation voltage. As in the example in the following figure, if the reference
junction temperature for the external reference junction compensation is T0 °C, set the
thermoelectromotive force of the 0 °C reference for T0 °C as the reference junction
compensation voltage.
An example of External reference junction compensation
FX100
External reference junction compensation
(Maintain the junction between the
thermocouple and the copper wire at T
Copper wire
Thermocouple
0
°C)
1
Explanation of Functions
1
2
3
4
IM 04L20A01-01E
1-5
1.2 Functions of the Input Section
Filter/Moving Average
The filter and moving average are used to suppress the effects of noise that is riding on
the signal. Filtering is provided on the FX103. Moving average is provided on the
FX106 and FX112. The filter or moving average can be set on each channel.
Filter Function (FX103)
Suppresses the effects of noise above the frequency determined by the specified time
constant. The time constant can be set to 2 s, 5 s, or 10 s.
Effects of using filter (Output response for a step input)
Input
Moving Average
The input signal of the measurement channel is set to the averaged value of the m
most current data points (the number of moving-averaged data points) acquired at the
scan interval. The number of moving-averaged data points can be set in the range 2
to 16.
The figure below shows an example indicating the operation of the buffer for the
moving average computation when the number of moving-averaged data points is set
to “5.”
Moving average value
63.2% of the output value
Output response curve (when using the filter)
2, 5, 10 s (time constant, the time it takes to reach 63.2% of the output value)
Buffer data at the
nth sampling
10.0mV
1
5.0mV
2
0.0mV
3
–5.0mV
4
–10.0mV
5
0.0mV
Deleted
Buffer data at the
n+1th sampling
New data
15.0mV
10.0mV
5.0mV
0.0mV
–5.0mV
5.0mV
Deleted
Buffer data at the
n+2th sampling
New data
10.0mV
15.0mV
10.0mV
5.0mV
0.0mV
8.0mV
Integration Time of the A/D Converter
The FX100 uses an A/D converter to convert the sampled analog signal to a digital
signal. By setting the integration time to match the time period corresponding to one
cycle of the power supply or an integer multiple of one cycle, the power supply frequency
noise can be effectively eliminated.
The integration time of the A/D converter is selected from the table below.
ModelIntegration Time of the A/D Converter
FX103Select 16.7 ms (60 Hz), 20 ms (50 Hz), or Auto
FX106/FX112Select 16.7 ms (60 Hz), 20 ms (50 Hz), 100 ms, or Auto
• If “Auto” is selected, the FX100 will automatically detect the power supply frequency
and select 16.7 ms or 20 ms. Fixed to 20 ms on /P1 models that use the 24 VDC
power supply.
• Because 100 ms is an integer multiple of 16.7 ms and 20 ms, this setting can be used
to eliminate the power frequency noise for either frequency, 50 Hz or 60 Hz.
However, when the integration time is 100 ms, the scan interval is fixed to 2 s.
1-6
IM 04L20A01-01E
Pulse Input (/PM1 Option)
Contact or open collector signal pulses are input to the dedicated input terminals.
• Three inputs are available. However, the instrument can be expanded for up to 8
inputs.
• Pulses of 100 Hz or less whose Low (closed) and High (open) pulse widths are both 5
ms or more can be counted.
• The FX100 counts the following changes.
Contact signal pulse input: contact changes from open to closed
Open collector signal: input terminal level changes from High to Low
1.2 Functions of the Input Section
1
Explanation of Functions
Pulse
Less than or equal to 100Hz
Contact signal
FX100
or
Open collector
signal
More than or equal to 5 ms each
Counting Input Pulses
You can count and display the number of pulses input at each scan interval using
computation channels.
Sum Value
To display the pulse sum value, an equation is entered on the computation channels
to be displayed.
Number of Pulses per Unit Time
To display the number of pulses per unit time (1 s, 1 min, and 1hour), an equation is
entered on the computation channels to be displayed.
Using computation channels, sum of pulses are calculated and displayed.
For information about the computation function, see section 1.6, “
Report Function (/M1, /PM1 Option)
”.
Computation Function and
Note
The pulse detection interval is approximately 3.9 ms. If the pulse width is not 5 ms or greater,
the FX100 may not be able to detect it.
Less than 5 ms
IM 04L20A01-01E
Pulse signal
This change cannot be detected.
Pulse detection interval (approximately 3.9 ms)
1-7
1.3Alarm Function
This function generates an alarm when the measured/computed data meets a certain
condition. When an alarm occurs, information notifying the alarm occurrence is
displayed on the screen. In addition, a signal can be output from the relay output
terminals (/A1, /A2, or /A3 option) on the rear panel of the FX100.
Alarm Type
Number of Alarms
You can set up to four alarms for each channel.
Alarm Conditions
The following eight conditions are available. Letters in the parentheses are the
symbols used for each alarm.
• Upper limit alarm (H)
An alarm occurs when the measured value exceeds the alarm value.
• Lower limit alarm (L)
An alarm occurs when the measured value falls below the alarm value.
Upper limit alarm
Alarm occurrence
alarm value
Lower limit alarm
Measured
/computed data
Alarm release
Alarm release
Measured/computed data
• Difference upper limit alarm (h)
Alarm occurrence
*1
alarm value
An alarm occurs when the difference between the measured values of two channels
becomes greater than or equal to the alarm value.
• Difference lower limit alarm (l)
*1
An alarm occurs when the difference between the measured values of two channels
becomes smaller than or equal to the alarm value.
*1 Can be specified only on difference computation channels.
• Upper limit on rate-of-change alarm (R)
*2
The amount of change of the measured values over a certain time interval is checked.
An alarm occurs when the amount of increase becomes greater than or equal to the
specified value.
• Lower limit on rate-of-change alarm (r)
*2
The amount of change of the measured values over a certain time interval is checked.
An alarm occurs when the amount of decrease becomes greater than or equal to the
specified value.
*2 Can be specified only on measurement channels.
Upper limit on rate-of-change alarm
Measured
value
T2
Variation
2-T1|
T1
|T
R alarm
Lower limit on rate-of-change alarm
Measured
value
T1
Variation
T2
|T
2-T1|
1-8
r alarm
t1t2t1t2
Interval t
Time
2-t1Interval t2-t1
Time
The interval is defined by the following equation and is set in terms of the number of
measured data points.
Interval = scan interval × number of measurements
IM 04L20A01-01E
1.3 Alarm Function
• Delay upper limit alarm (T)
An alarm occurs when the measured value remains above the alarm value for the
specified time period (delay period).
• Delay lower limit alarm (t)
An alarm occurs when the measured value remains below the alarm value for the
specified time period (delay period).
Delay upper limit alarm example (“T” is the specified delay period)
Measured/computed data
X1X2X3X4
T1
T
Alarm value
Alarm releaseAlarm occurrence
• Alarm does not occur at T1, because the time period is shorter than the specified
delay period (T).
• The input exceeds the alarm value at X2, but the alarm occurs at X3 at which the
specified delay period elapses (the time when the alarm occurs is the time at X3).
• The input falls below the alarm value at X4 and the alarm is released.
Note
The following special operations are available for the delay upper/lower limit alarm.
• When a delay alarm is set on a computation channel (/M1, /PM1 option) and the
computation is stopped
If the computation is stopped in a condition in which the computed value is exceeding the
alarm setting, the alarm is turned ON after the specified period (delay period) elapses.
Computation stopped
1
Explanation of Functions
Alarm value
Computed data
• Delay alarm when a power failure occurs
Alarm detection is reset upon a power failure. It restarts the operation after the power
recovers.
Measured/computed data
T
Alarm : Off On Off OnOffOnOff
• Operation when the alarm setting is changed
• When a new delay alarm is set
The alarm detection starts at the time the alarm is set. It is unaffected by the conditions
existing before the alarm is set.
• If the alarm setting of a preexisting delay alarm is changed
• If an alarm is not occurring at the time of the change, alarm detection starts at the new
setting.
• If an alarm is occurring at the time of the change and the alarm type is set to delay
upper limit alarm, the alarm continues as long as the input is above or equal to the new
setting. If the input is below the new setting, the alarm turns OFF. If the alarm type is
set to delay lower limit alarm, the alarm continues as long as the input is below or equal
to the new setting. If the input is greater than the new setting, the alarm turns OFF.
TT
Power failure
occurence/recovery
T
Alarm turns ON
Alarm value
Power failure
occurence/recovery
IM 04L20A01-01E
1-9
1.3 Alarm Function
Alarm Hysteresis
You can set a width (hysteresis) to the values used to activate and release alarms.
Alarm hysteresis prevents frequent activation and release of alarms when the measured
value is unstable around the alarm value. The hysteresis is fixed to 0.5% of the
measurement span (display scale width if the range is set to scale).
It is applied only on alarms set to upper/lower limit alarm on measurement channels.
The function can be turned ON/OFF. The initial value is set to [On] (use hysteresis).
The setting applies to all measurement channels.
Upper Limit Alarm (H)
Alarm Indication
Alarm occurrence
Measured value
Lower Limidt Alarm (L)
Measured value
Alarm occurrence
Alarm release
Alarm release
Alarm value
Hysteresis (approx. 0.5%)
Hysteresis (approx. 0.5%)
Alarm value
The alarm conditions are displayed as alarm icons in the status display section and
through the trend, digital, bar graph, overview and other screens. The detailed
information about the alarms is displayed in the alarm summary.
Alarm Indication Example (Overview screen)
Channel No. or tag name
Alarm type
Area of channels on which an
alarm is occurring is indicated
Area of channels on which an
alarm is not occurring is
indicated in green
in red
1-10
Hold/Non-Hold of the Alarm Indicator
There are two methods in displaying alarms. The initial value is non hold.
• Clears the alarm display when the cause of the alarm is no longer met (non-hold).
• Holds the alarm display until the alarm ACK operation is executed (hold).
The initial value is set to non-hold.
IM 04L20A01-01E
1.3 Alarm Function
Alarm Output Relay (/A1, /A2, or /A3 option)
If you are using a model with the optional alarm output relay, a contact signal can be
generated according to the alarm conditions. The number of contact outputs for a/A1 to /
A3 are 2, 4, and 6 respectively. The alarm output relays are indicated using [I01] to [I06]
in the alarm output settings. The following functions can be specified on the alarm
output relay.
Reflash
When multiple alarms are set to one alarm output relay, this function notifies the
succeeding alarms after the first alarm that causes the relay activation. When a
succeeding alarm occurs, the output relay temporarily turns OFF (approximately 500
ms). The initial value is set to Off (do not use). The reflash alarm function is set only
to output relays I01, I02, and I03 (I01 and I02 for /A1 option).
Channel 1
Alarm status
Alarm relay status
(reflash: on)
Channel 2
Channel 3
Output relay
(option)
1
Explanation of Functions
(assuming I01 is assigned)
(assuming I01 is assigned)
(assuming I01 is assigned)
(I01 output)
Approx. 500 ms Approx. 500 ms
Alarm relay status
(reflash: off)
Output relay
(option)
(I01 output)
Note
If you set the reflash alarm, relays I01 to I03 become dedicated to reflash alarms regardless
of the number of alarm output relay points. Therefore, I01 to I03 operate as OR logic and
non-hold regardless of the settings made in “AND/OR of alarm output relays” and “Hold/Nonhold operation of the alarm output relay” on the next page.
AND/OR of Alarm Output Relay
When sharing an alarm output relay among multiple alarms, you can select from the
following conditions that cause the alarm output relay to be activated.
• AND: Activated when all alarms are being generated simultaneously.
• OR: Activated when at least one of the alarms is being generated.
Channel 1
Alarm status
Channel 2
AND
Alarm relay status
OR
IM 04L20A01-01E
Specify the alarm output relay to operate under the AND condition as in [I01 (first
relay) to Ixx (where xx is the relay number)].
Note
If the reflash alarm is turned ON, I01 to I03 are set to OR logic operation. Specifying AND
produces no effect.
1-11
1.3 Alarm Function
Energize or De-energize Operation of the Alarm Output Relay
You can select whether to energize or de-energize the alarm output relay when the
alarm occurs. By selecting de-energize, the alarm output relay will operate in the
same manner as when the alarm occurs when the power supply is disrupted.
Energize or de-energize applies to all alarm output relays. The initial value is set to
Energize.
There are two methods in operating the alarm output relay.
• Turns OFF the output relay when the cause of the alarm is no longer met (nonhold).
• Holds the output relay ON until the alarm acknowledge operation is executed
(hold).
Non holdHold
Alarm ACKAlarm ACK
Alarm
Alarm
Output Relay
Occurrence
Release
Activated
Released
Note
If the reflash alarm is turned ON, I01 to I03 are set to non-hold. Specifying hold produces no
effect.
Alarm Output Release (Alarm ACK) Operation
When you perform the alarm ACK procedure, all alarm displays and relay outputs (/
A1, /A2, /A3 option) are released. However, this procedure is not valid if the alarm
display/output relay operation is set to non-hold. This cancellation procedure can be
performed using FUNC key or USER key, or via remote control (/R1, /PM1 option).
Note
When the basic setting mode is entered, the activated/released condition of the previous
alarm output relay is held. Alarm detection is not carried out in the basic setting mode, and
you cannot release the alarm output relay.
1-12
IM 04L20A01-01E
1.4Display Function
Describes screens in the operation mode.
Common Items Related to the Display
5.5” TFT Color
The FX100 has a 5.5” TFT color LCD (240-by-320 dot resolution). The screen
consists of the status display section and the data display section.
• Status Display Section
Displays the displayed screen name, date and time, internal memory/external storage
medium usage condition, alarm condition, user name (when using the key login
function), computation condition (/M1, /PM1 option), status of key lock function and email transmission function (/C7 option).
• Data Display Section
Displays measured data using numerical values, waveforms, bar graphs, and so on.
Shows the setup screen when setting functions.
1
Explanation of Functions
Status display section
Data display section
Group Display
The data displayed on the trend, digital, and bar graph screens are the data of
measurement or computation channels that are assigned to the group. Up to 6
channels can be assigned to a single group. Up to 4 groups can be registered. The
groups are common to the trend, digital, and bar graph screens.
On the trend, digital, and bar graph screens, the displayed groups can be
automatically switched at 5 s, 10 s, 20 s, 30 s, or 1 min intervals.
Channel Number or Tag Name Display
The channels can be displayed as channel number or tags. The setting applies to all
channels.
Alarm Indication
Alarms are checked at all times and displayed on the relevant screens using alarm
type symbols.
The following information is displayed in the status display section during operation
mode and setting mode. (The information is not displayed during basic setting mode.
[Setup Mode] is displayed instead.)
Display data
2
3
1
Event data/[Free] mode
Event data/[Trigger] or [Rotate] mode
4
A
B
C
7
6
The internal memory is
divided into 16 blocks.
859
11
D
E
10
F
G
1. User name
The user name is displayed when the key login function is used and the user is
logged in.
2. Group name or display name
The display name or group name corresponding to the display shown on the data
display section. [ALL] is displayed only when all channels are displayed on the
trend display (see page 1-17).
3. Current date and time
The current date and time are displayed.
4. Data acquisition to the internal memory ON/OFF
A and B is alternately displayed: Data being acquired or waiting for a trigger for
event data.
C: Data acquisition stopped
1-14
Note
For event data that starts sampling when the trigger condition is met, the display indicates
that sampling is in progress even in the trigger wait state. The trigger wait state can be
determined on the bar graph.
5. Memory usage of the display data acquisition area in the internal memory
Displayed when acquisition of display data is enabled.
For models with a storage medium drive
• The box indicates the amount of display data acquisition area in the internal
memory. The green bar shows the used space of the area.
• Time display indicates the remaining space of the display data acquisition area
in the internal memory.
• n/16
The maximum number of display data files that can be written to the internal
memory is 16. “16” represents this value. The value n is the number of display
data files in the internal memory.
Note
In the following cases, the display data is overwritten from the oldest file. Use caution
because the overwritten data is lost forever.
• When there is no more remaining space of the display data acquisition area in the internal
memory.
At this point, the status display section shows [Overwrite].
• When the number of display data files in the internal memory has exceeded 16.
IM 04L20A01-01E
1.4 Display Function
For models without storage medium drive
Only the items below differ from “For models with a storage medium drive.”
• When “auto save” is specified
The box indicates a display data file. The green bar shows the progress of the
data acquisition. Time display shows the remaining time a display data file is
created.
For the description of “display data” and “auto save,” see section 1.5, “
Function
.”
Data Storage
6. Memory usage of the event data acquisition area in the internal memory
Displayed when acquisition of event data is enabled.
For models with a storage medium drive
• When the acquisition mode is [Free]
• The box indicates the amount of event data acquisition area in the internal
memory. The green bar shows the used space of the area.
• Time display indicates the remaining time of the event data acquisition area
in the internal memory.
• n/16
The maximum number of event data files that can be written to the internal
memory is 16. “16” represents this value. The value n is the number of
event data files in the internal memory.
For the description of “free mode,” see “1.5 Data Storage Function.”
Note
In the following cases, the event data is overwritten from the oldest file. Use caution because
the overwritten data is lost forever.
• When there is no more remaining time of the event data acquisition area in the internal memory
The status display section shows [Overwrite].
• When the number of event data files in the internal memory has exceeded 16
1
Explanation of Functions
• When the mode is [Trigger] or [Rotate]
• Bar graph
Displays the acquisition time (amount of memory used with respect to the
data length) of the specified event data.
When pretrigger is specified and START is pressed causing the FX100 to
enter the trigger wait state, data of size equal to the pretrigger amount is
acquired to the internal memory. At this point the bar is displayed in orange.
After acquiring the data of size equal to the pretrigger, the length of the bar
stays fixed. However, the relevant data is updated until the trigger condition
is met. When the trigger condition is met, the bar turns green. Data is
acquired to the internal memory after the pretrigger data.
If data acquisition to all blocks is finished in [Trigger] mode, [Full] (or [F]) is
displayed in the bar. When [Full] (or [F]) is displayed, event data is not
acquired to the internal memory even if the trigger condition is met.
For the description of “trigger mode” and “rotate mode,” see section 1.5, “
Function
.”
• Block display
When the event data acquisition area is divided into multiple blocks, the block
usage is displayed.
White blocks: Blocks with no data.
Green blocks: Block containing data that was acquired to the internal
memory after starting the current acquisition of event data.
Gray blocks: Blocks containing previous data.
Data Storage
IM 04L20A01-01E
1-15
1.4 Display Function
For models without storage medium drive
Only the items below differ from “For models with a storage medium drive.”
• When the acquisition mode is [Free] and “auto save” is specified
The box indicates a event data file. The green bar shows the progress of the
data acquisition. Time display shows the remaining time a event data file is
created.
For the description of “event data” and “auto save,” see section 1.5, “
Function
.”
Data Storage
7. Icon indicating the external storage medium status
No icon is displayed: A storage medium is not inserted in the drive or the FX100 is
not equipped with a storage medium drive.
Note
If you use a floppy disk, press “FUNC key > [Media] soft key” to have the disk in
the drive detected.
D and E are displayed alternately: The storage medium is being accessed.
E: External storage medium waiting (not being accessed).
F: The green level inside the icon indicates the amount of used space of the
storage medium. If the remaining amount falls to 10% or less, the color
changes to red. However, the color does not change when the FIFO action of
the CF memory card is specified.
For the FIFO action of the CF memory card, see section 1.5, “
8. Computation icon (only on models with the computation option)
No computation icon is displayed: No computation option (/M1, /PM1) or
computation is stopped.
White computation icon: Computation in progress.
Yellow computation icon: Computation dropout occurred.
Data Storage Function
.”
Note
Computation dropout occurs when the computation process cannot be completed within the
scan interval. Press the FUNC key, then the [Math ACK] soft key to set the icon back to a
white computation icon. If computation dropouts occur, increase the scan interval or reduce
the number of computation channels that are turned on.
9. Key lock icon
Key icon: Key lock is enabled.
No indication: Key lock is disabled.
For the key lock function, see section 1.9, “
10. E-mail transmission function icon
Displayed when the e-mail transmission function is enabled.
See the ”
FX100 Communication Interface User’s Manual
11. Alarm icon
Displayed when any one of the alarms is occurring. The indication varies
depending on hold/non-hold settings of alarm display.
Non holdHold
Occurrence
Alarm
Release
Alarm
Icon
For a description on the hold/non-hold setting of alarm indication, see section 1.3, “
Function
NoneRedRedNone NoneNone NoneNone
.”
Other Functions
” (IM 04L20A01-17E).
Alarm ACKAlarm ACK
Brinks
in red
Brinks
in green
.”
Brinks
in red
Alarm
1-16
IM 04L20A01-01E
1.4 Display Function
Trend Display
Displays the waveform of the measured and computed data. The direction of the
waveform display can be set to horizontal or vertical.
All channel displayWaveforms of all channels that were set to display the trend are
Displayed color of waveforms The displayed color of waveforms can be specified for each
Thickness of waveform linesYou can select from 1, 2, or 3 dots. The specified thickness of
Trip line displayDisplays a line to indicate a particular value of interest (trip line) for
Scale displayA scale appropriate for the measured item can be displayed for
GridThe specified number of lines are displayed on the waveform
Turn ON/OFF the numericalThe numerical display section can be turned ON or OFF.
display sectionIf the numerical display section is turned OFF, the display shows
displayed on one trend screen.
channel. The color also applies to the bar graph.
waveform lines applies to all channels.
each group. You can select the thickness of the displayed line from
1, 2, or 3 dots. Up to four trip lines can be displayed on a single
group.
each channel. You can select whether or not to display the scale
for each channel.
display area.
only the waveform and the scale.
IM 04L20A01-01E
1-17
1.4 Display Function
Display Update15 s* 30 s* 1 min 2 min 5 min10 min 15 min 20 min 30 min 1 h 2 h 4 h 10 h
Rate (/div)
Speed of movement2500 1250 625312156 7842312110 5.2 2.6 1.0
of waveform
(approximate value, mm/h)
* for the FX103 only
Updating the Waveform
One division along the time axis consists of 30 dots on the LCD. The displayed
waveform is updated at an interval corresponding to one dot. This interval is
determined by the time period corresponding to one division (referred to as the display
update rate). The relationship between the display update rate and the sampling
interval of displayed data is as follows:
Updating the Numerical Display
Numerical display is updated every second. However, when the scan interval on the
FX106/FX112 is 2 s, the update rate is also 2 s.
Note
The data displayed on the screen are a maximum and minimum values of the data that are
sampled at the scan interval, within the time period corresponding to one dot.
Displayed data of the waveform (when the display update rate is set to one minute)
}
2 s (1 dot)
1 division (30 dots)
=1 min.
Maximum value
Minimum value
When the display update rate is set to one minute,
the time period corresponding to one dot (the
sampling interval of displayed data) is 2 s.
Writing Messages
Messages specified by the user can be displayed at arbitrary points in time. For
example, by displaying a message when a certain operation is carried out, the point at
which the operation is carried out can be seen visually. Displayed messages are
saved.
Number of Messages: 8
Messages
START
1
PROCESS 2
2
3
4
5
6
7
8
Trend Screen
1-18
IM 04L20A01-01E
1.4 Display Function
Zone Display
The display range (zone) can be set for each channel. In the example shown in the
figure below, channel 1 is displayed in the zone 0 to 30%, channel 2 in the zone 30 to
60%, and channel 3 in the zone 60 to 100%.
Normal displayZone display
0%
100%
Zone 1
30%0%60%
Zone 3Zone 2
100%
CH3CH2CH1
Partial Expanded Display
By compressing a section of the display scale of the waveform, the remaining section
of is expanded. You specify a value on the display scale (boundary value) to be
moved to another position on the display scale (boundary value displacement
position). In the example shown below, 0 V (boundary value) is moved to the 30%
position of the display scale (boundary value displacement position). The section
below the boundary represents –6 V to 0 V and the section above the boundary
represents 0 V to 6 V.
Normal Display
% of full display span
0
Compressed portion
50
100
Partial Expanded Dispaly
0
Expanded portion
30
100
1
Explanation of Functions
IM 04L20A01-01E
–6V
0
6V
–6V
0
Measured valueMeasured value
6V
Alarm Indication
The indications of preset alarm marks vary depending on the hold/non-hold setting of
alarm indication as follows.
Non holdHold
Occurrence
Alarm
Release
Brinks
Alarm mark
Alarm type
Measured value
GreenRedRedGreenGreenGreenGreenGreen
NoneRedRedNoneNoneNone NoneNone
BlueRedRedBlueBlueBlue BlueBlue
in red
RedNoneRed
RedBlueRed
For a description on the hold/non-hold setting of alarm indication, see section 1.3, “
Function
.”
Alarm ACKAlarm ACK
Brinks
in green
Brinks
in red
Alarm
1-19
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