YOKOGAWA XL100 User manual

User’s
Manual
IM XL120E
XL100
(XL121/XL122/XL124)
Portable Data Station (Datum-Y)
(XL111/XL112/XL114)
Portable Data Logger (Datum-Y)
IM XL120E
1st Edition: April 2007 (MC)

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IM XL120E
Introduction
Thank you for purchasing our XL100 Portable Data Station or Portable Data Logger.
This User’s Manual describes the functions of the XL100 as well as its operating
methods and handling precautions. Read this manual thoroughly before using the
XL100, to ensure correct use.
In addition to this manual, the Quick Setup Manual and Communication Function Manual
(contained in the CD-ROM as with this User’s Manual) are available separately.
The Quick Setup Manual briefly describes the main functions and the basic procedures
for performing such tasks as setup and measurement operations.
Use the Quick Setup Manual together with this in-depth User’s Manual. For details on
the communication functions, see the Communication Function Manual (contained in the
same CD-ROM). The Communication Function Manual is used on the XL121, XL122,
and XL124.
After reading this manual, keep it in an easily accessible place for later reference. This
manual will come in handy when you are unsure of how to operate the product.
Notes
•The contents of this manual are subject to change without prior notice.
•Figures and illustrations representing display views in this manual may differ from
actual views.
•Every effort has been made to ensure accuracy in the preparation of this manual.
However, should any doubts arise or errors come to your attention, please contact the
vendor from which you purchased the product.
•The contents of this manual may not be transcribed or reproduced, in part or in their
entirety, without prior permission.
Trademark Acknowledgements
The company and product names referred to in this document are either trademarks or
registered trademarks of their respective holders.
Revision Information
First Edition: April, 2007
1st Edition: April 2007 (MC)
All Rights Reserved, Copyright © 2005, Yokogawa Meters & Instruments Corporation

IM XL120E
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Checking the Contents of the Package
After opening the package, be sure to check the product as instructed below before use.
Should the product you have received be the wrong model, lack any items, or show any
problems in its appearance, contact the vendor from whom you purchased the product.
Instrument Main Unit
Check the model and suffix code printed on the nameplate on the rear panel to ensure
that the XL100 is exactly as specified in your purchase order.
XL100
No.
Model
When inquiring about the product to the vender,
please give the vendor the instrument number.
Model and Suffix Codes
Model Specifications
XL121 With a terminal block unit (8 channels)
XL122 With a terminal block unit (16 channels)
XL124 With a M3 screws terminal block unit (16 channels)
XL111 With a terminal block unit (8 channels), no SD card storage/communication function
XL112 With a terminal block unit (16 channels), no SD card storage/communication function
XL114 With a M3 terminal block unit (16 channels), no SD card storage/communication
function
* The XL111, XL112, and XL114 are only sold in Japan.
Instrument Number
An instrument number is also printed on the nameplate. When inquiring about the
product to the vender, please also give the vendor this number.
Accessories
Make sure that the package contains all the accessories listed below and that they are
all free from any damage.
No. Name Part No. Remarks
1 Terminal block unit 95052/95053 95052, 95053, and 95055 when the model is
/95055 XL111,XL112, and XL114 or XL121,XL122, and
XL124, respectively
2Rubber boot 93036 For impact resistance
3Side cover – Supplied with the XL121, XL122, and XL124
4Screwdriver for terminals –
5AC adapter 94010-D UL/CSA standard
-F VDE standard
-R SAA standard
-S BS standard
-H GB standard
6Quick Setup Manual IM XL120P-E
7CD-ROM – Contains Standard Software and PDF manuals
(User’s Manual (this manual), Quick Setup
Manual, and Communication Function Manual)

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IM XL120E
1. 2. 3. 4.
5. 6.
Note: Accessory items 1 to 3 come installed in the XL100.
b
+
-
ch1
b
+
-
ch2
b
+
-
ch3
b
+
-
ch4
b
+
-
ch5
b
+
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ch6
b
+
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ch7
+
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ch8
7.
(Example: 95052)
Accessories and Spare Parts (Optional)
The products listed below are available as optional accessories and spare parts. For
technical and ordering inquiries concerning accessories and spare parts, contact the
vendor from whom you purchased the product.
Accessories
Name Part No. Remarks
Type-K TC 90060 5 m 4 sets
Carrying case 93037 For storing the XL100 and accessories
Lithium ion battery 94009 Voltage: 7.4 V. Capacity: 2400 mAh
Digital I/O cable 91029 For pulse input, logic input, and alarm output.
Length: 3 m
Communication cable 91011 For RS-232 communication with a PC. Number of
pins: 9 pins
Printer 97010 With 1 thermal paper roll and battery pack
AC adapter (for printer, Europe) 94006
AC adapter (for printer, USA) 94007
RS-232C cable 91010 For connecting the printer. Number of pins: 9 pins
Thermal paper for printer 97080 10 rolls
Stand 93039 Supports tilted installation on the desktop, wall
mounting, and DIN rail mounting
Application software XL900 For online data acquisition and data analysis
(Datum-LOGGER)
Spare Parts
Name Part No. Remarks
Terminal block unit (8 channels) 95052 8 channels, clamp terminal type
Terminal block unit (16 channels) 95053 16 channels, clamp terminal type
M3 screws terminal block unit 95055 16 channels, M3 screws terminal type
(16 channels)
Rubber boot 93036 For impact resistance
AC adapter 94010-D UL/CSA standard
-F VDE standard
-R SAA standard
-S BS standard
-H GB standard
TIP
It is advisable that the packing box be saved, as it is useful when you transport the product.
Checking the Contents of the Package

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Safety Precautions
When operating the instrument, be sure to observe the cautionary notes given below to
ensure correct and safe use of the instrument. If you use the instrument in any way other
than as instructed in this manual, the instrument’s protective measures may be impaired.
Yokogawa Meters & Instruments Corporation is by no means liable for any damage
resulting from use of the instrument in contradiction to these cautionary notes.
The following safety symbols are used on the instrument and in this manual.
Danger! Handle with Care. This symbol indicates that the operator must refer to
an explanation in the User’s Manual or Service Manual in order to avoid risk of
injury or death of personnel or damage to the instrument.
This symbol indicates DC voltage/current.
This symbol indicates AC voltage/current.
This symbol indicates ON (power).
This symbol indicates OFF (power).
WARNING
Indicates a hazard that may result in the loss of life or serious injury of the user
unless the described instruction is abided by.
CAUTION
Indicates a hazard that may result in an injury to the user and/or physical damage
to the product or other equipment unless the described instruction is abided by.
Note
Indicates information that is essential for handling the instrument or, should be
noted in order to familiarize yourself with the instrument’s operating procedures
and/or functions.
TIP
Indicates information that complements the present topic.
SEE ALSO
Indicates the reference location(s) for further information on the present topic.

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Strictly observe the following cautionary notes in order to avoid the risk of injury or death
of personnel or damage to the instrument due to hazards such as electrical shock.
WARNING
•Do Not Remove the Case
Do not remove the case from the instrument or disassemble/modify the
instrument.
For inspection and/or adjustment of the internal assembly, contact the vendor
from which you purchased the instrument.
•Do Not Operate in an Explosive Atmosphere
Do not operate the instrument in a location where any flammable or explosive
gas/vapor is present. It is extremely hazardous to operate it in such an atmo-
sphere.
•Use the Correct Power Supply
Before turning on the instrument, always make sure the voltage of the power
source to be applied matches the instrument’s supply voltage.
•Unplug If Abnormal Behavior Occurs
If the instrument begins to emit smoke, becomes too hot, or gives off an
unusual smell, immediately turn it OFF and disconnect the power cord from
the outlet. Also turn off power to the object under measurement that is con-
nected to the instrument’s input terminals. Never attempt to use the instrument
again. If any such anomalies as noted above occurs, contact the vendor from
which you purchased the instrument.
Do not attempt to repair the instrument yourself, as doing so is extremely
dangerous.
•Do Not Damage the Power Cord
•To prevent electric shock or fire, be sure to use the power cord supplied by
YOKOGAWA.
•Do not place any load on the power cord or allow the power cord to come into
contact with any heat source. When unplugging the power cord from the outlet,
hold its plug, rather than holding and pulling the cord itself.
•If the power cord is damaged, contact the vendor from which you purchased
the instrument.
Safety Precautions

6IM XL120E
Language Setting at Startup
Language Setting at Startup
When you start up the XL100 for the first time (the first time you turn on the XL100 after
purchase), you must set the language that you are going to use. Follow the procedure
below to set the language.
Once you set the language, the XL100 will start up using the specified language the next
time.
1. When you turn the power switch ON, the following screen appears.
2. Use the arrow keys to select the language, and press SELECT.
3. The language is set, and a self-test starts automatically.
TIP
To change the language once you set it, press SETTING, select HARDWARE >
LANGUAGE, and change the setting.

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Index
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Contents
Checking the Contents of the Package .......................................................................................... 2
Safety Precautions ......................................................................................................................... 4
Language Setting at Startup ........................................................................................................... 6
Chapter 1 Explanation of Functions
1.1 Overview of the XL100 ..................................................................................................... 1-1
1.2 Functions of the Input Section ......................................................................................... 1-2
1.3 Display Function .............................................................................................................. 1-5
1.4 Alarm Function ................................................................................................................. 1-9
1.5 Data Save/Load Function and File Operation Function ................................................. 1-11
1.6 Calculation Function ...................................................................................................... 1-13
1.7 Setup Function ...............................................................................................................1-14
1.8 Communication Function (Supported only on the XL121, XL122, and XL124) ............. 1-17
1.9 Other Main Functions ..................................................................................................... 1-19
Chapter 2 Part Names and Functions
2.1 Front Panel and Terminal Block Unit ............................................................................... 2-1
2.2 Side Panel and Rear Panel .............................................................................................. 2-3
2.3 Data Display ..................................................................................................................... 2-4
2.4 Setup Display ................................................................................................................. 2-19
Chapter 3 Handling Precautions and Wiring
3.1 Handling Precautions ....................................................................................................... 3-1
3.2 Operating Environment .................................................................................................... 3-2
3.3 Wiring the Input Signal Cable .......................................................................................... 3-4
3.4 Wiring the Pulse Input, Logic Input, and Signal Cables .................................................. 3-7
3.5 Wiring the External I/O Signal Cables .............................................................................. 3-8
3.6 Connecting the Power Supply ........................................................................................ 3-10
3.7 Handling of the Lithium Ion Battery (Sold Separately) ................................................... 3-11
3.8 Connecting Communication Cables
(Supported only on the XL121, XL122, and XL124) ...................................................... 3-12
3.9 Connecting the USB Memory ........................................................................................ 3-16
Chapter 4 Basic Operation
4.1 Turning ON/OFF the Power Switch ................................................................................. 4-1
4.2 Basic Key Operations ...................................................................................................... 4-4
4.3 Setting the Date and Time ............................................................................................. 4-16
4.4 Resetting the System (Initializing the Settings) .............................................................. 4-18
4.5 Setting the Display Backlight ......................................................................................... 4-19
4.6 Locking the Keys ............................................................................................................ 4-20
4.7 Inserting and Removing the External Storage Media .................................................... 4-21
Chapter 5 Setting the Input Channels
5.1 Setting the Analog Input Channels .................................................................................. 5-1
5.2 Setting the Pulse Input Channel ...................................................................................... 5-5
5.3 Setting the Logic Input Channel ....................................................................................... 5-9
5.4 Directly Setting the Range, Span, and Scale Using the RANGE key ............................ 5-11

8IM XL120E
Contents
Chapter 6 Setting Alarms
6.1 Setting the Alarm on Analog Input Channels ................................................................... 6-1
6.2 Setting the Alarm on Pulse Input Channels ..................................................................... 6-3
6.3 Setting the Alarm on Logic Input Channels ...................................................................... 6-5
6.4 Setting Alarms on Calculation and Communication Channels (Communication channels
are supported only on the XL121, XL122, and XL124) .................................................... 6-7
6.5 Setting Alarm Output and Display .................................................................................... 6-9
6.6 Searching Alarms ........................................................................................................... 6-11
Chapter 7 Setting the Displayed Contents and Operating the Displays
7.1 Switching the Operation Mode and Display ..................................................................... 7-1
7.2 Setting Groups ................................................................................................................. 7-3
7.3 Setting the Background Color, Grid, and Bar Graph Base Position ................................. 7-5
7.4 Setting Alarm Lines ..........................................................................................................7-7
7.5 Switching the Time Scale ................................................................................................. 7-9
Chapter 8 Setting the Calculation of Measured Data
8.1 Setting the Calculation ..................................................................................................... 8-1
8.2 Setting the Statistical Calculation ..................................................................................... 8-4
Chapter 9 Setting and Controlling the Data Saving and Loading Operations
9.1 Setting the Save Operation of Measured and Calculated Data ....................................... 9-1
9.2 Loading Measurement or Calculation Data Files ............................................................. 9-8
9.3 Manually Saving Measured and Calculated Data ............................................................ 9-9
9.4 Saving the Alarm Summary Data ................................................................................... 9-10
9.5 Saving the Log Data ...................................................................................................... 9-11
9.6 Saving and Loading Setup Data .................................................................................... 9-12
9.7 Renaming Files .............................................................................................................. 9-13
9.8 Deleting Files ................................................................................................................. 9-14
9.9 Copying Data .................................................................................................................9-15
9.10 Formatting the External Storage Media or Internal Memory .......................................... 9-17
9.11 Initializing Log Information ............................................................................................. 9-18
9.12 Automated Measurement and Save Function ................................................................ 9-19
Chapter 10 Setting the Communication Function
10.1 Selecting the Communication Interface ......................................................................... 10-1
10.2 Setting the Serial Communication (RS-232, RS-485, Modbus, and Communication
Channel) ........................................................................................................................ 10-3
10.3 Setting the USB ID ......................................................................................................... 10-7
10.4 Setting the Ethernet Interface ........................................................................................ 10-8
10.5 Setting the FTP Client .................................................................................................. 10-12
10.6 Setting the Web Server ................................................................................................ 10-14
10.7 Setting the E-mail Transmission .................................................................................. 10-16

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Index
IM XL120E 9
Chapter 11 Other Functions
11.1 Setting the Print Output and Executing the Print Operation (Supported only on the XL121,
XL122, and XL124) ........................................................................................................ 11-1
11.2 Setting the Beep Sound ................................................................................................. 11-4
11.3 Set the ID Number ......................................................................................................... 11-5
11.4 Setting the Language ..................................................................................................... 11-6
11.5 Setting the Temperature Unit ......................................................................................... 11-7
11.6 Registering Users .......................................................................................................... 11-8
11.7 Setting and Executing Key Login/Logout and ................................................................ 11-9
11.8 Displaying System Information .................................................................................... 11-11
11.9 Setting the Filter ........................................................................................................... 11-12
Chapter 12 Troubleshooting
12.1 Troubleshooting ............................................................................................................. 12-1
12.2 Messages and Their Corrective Actions ........................................................................ 12-2
12.3 Disposing the Product .................................................................................................... 12-6
Chapter 13 Specifications
13.1 Input Specifications ........................................................................................................13-1
13.2 Display Specifications .................................................................................................... 13-4
13.3 Data Storage Specifications ........................................................................................... 13-6
13.4 Alarm Specifications ...................................................................................................... 13-8
13.5 Communication Specifications
(Supported only on the XL121, XL122, and XL124) ...................................................... 13-9
13.6 Specifications of Other Functions ................................................................................ 13-11
13.7 General Specifications ................................................................................................. 13-12
13.8 External Dimensions .................................................................................................... 13-14
Appendix
Appendix 1 A List of Settings and User Registration Privileges ........................................... App-1
Appendix 2 System Reset and Initialized Items When the Terminal Block Is Changed ....... App-8
Index
Contents

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Explanation of Functions
1.1 Overview of the XL100
The XL100 is a handheld data logger that (1) periodically samples DC voltage or analog
input such as thermocouples and RTDs, (2) acquires the sampled measured data in the
internal memory, and (3) displays the measured data on a LCD in the form of
waveforms, digital display, and bar graphs. The measured data can also be saved to
external storage media such as CF cards and SD cards. The saved data can be loaded
into the XL100 to be displayed or displayed on a PC using the accompanying software
program.
DC voltage
Thermocouple
RTD
Pulse/Logic input
SD
CF
Analog input
Displays the measured data
Save the measured data
PC
Data communication
V
By using the Ethernet interface that comes standard with the XL100, the measured data
can be automatically transmitted to a server on a network. The Ethernet interface can
also be used to retrieve the measured data saved on the XL100 internal memory or an
external storage medium into a PC on the network.
PC
Ethernet
Server
Hub
Hub
Automatically save
measured data
Load measured data
Note
The function for saving the measured data to the SD card and general communication
functions including the Ethernet interface are supported only on the XL121, XL122, and
XL124.
Chapter 1 Explanation of Functions

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1.2 Functions of the Input Section
Number of Measurement Channels and Sampling Interval
There are two types of analog input terminals, 8 channels or 16 channels.
b
+
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ch1
b
+
-
ch2
b
+
-
ch3
b
+
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ch4
b
+
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ch5
b
+
-
ch6
b
+
-
ch7
+
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ch8
Terminal block unit (8 ch): 95052 Terminal block unit (16 ch): 95053
M3 screws terminal block unit (16 ch): 95055
The sampling interval (scan interval and data storage interval) varies depending on the
number of input channels as shown in the table below.
Number of Channels Sampling Interval
8100, 200 ,500 ms, 1 , 2, 5, 10, 20, 30 s, 1, 2, 5, 10, 20 , 30 min, or 1 h
16 200 ,500 ms, 1 , 2, 5, 10, 20, 30 s, 1, 2, 5, 10, 20 , 30 min, or 1 h
Input Type and Calculation
As shown in the table below, the available input types are analog input, which includes DC
voltage, thermocouple, and RTD, and other inputs, which consist of pulse signal (1 channel) and
logic signals (2 channels). Also, addition, subtraction, multiplication, and division between two
inputs can be calculated and assigned to a calculation channel and displayed in the same
fashion as measured values. The statistics of measured values can also be displayed.
Input/Calculation Description
DC voltage Measures a DC voltage in the range of ±100 mV to ±50 V.
Thermocouple Selectable from the following types: R, S, B, K, E, J, T, N, W, L, and U.
RTD Selectable from Pt100 and JPt100 types.
Pulse signal Displays the pulse input as number of revolutions, integrated value, or
instantaneous value.
Logic signal Displays the logic waveform by taking input voltage less than or equal to 0.9 V
to be OFF (0) and input voltage greater than or equal to 2.1 V to be ON (1).
Arithmetic calculation When the input type is set to DC voltage, thermocouple, RTD, or pulse
input, addition, subtraction, multiplication, and division can be performed
with a measured value of another channel, and the result displayed as
the measured value of that channel.
Statistical calculation Calculates and displays the maximum, minimum, average, peak (P-P),
or rms value of the measured value.
Input Range and Measurable Range
Set the input range or type for analog inputs (DC voltage, thermocouple, and RTD) and
set the measurable range for a pulse signal digital input.
•DC voltage
Select from the input ranges listed in the following table.
Input Range Measurable Range Maximum Display Resolution
100 mV –100.00 to 100.00 mV 10 µV
500 mV –500.0 to 500.0 mV 100 µV
1 V –1.0000 to 1.0000 V 100 µV
5 V –5.000 to 5.000 V 1 mV
10 V –10.000 to 10.000 V 1 mV
50 V –50.00 to 50.00 V 10 mV
1-5V/f.s. 1.000 to 5.000 V 1 mV
f.s.: measurable range

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Explanation of Functions
•Thermocouple or RTD
Select from the thermocouple types or RTD types listed in the following table.
Input Type Type Measurable Range
Thermocouple R 0 to 1768 °C
S0to 1768 °C
B600 to 1800 °C
K–200.0 to 1372.0 °C
E–200.0 to 1000.0 °C
J–200.0 to 1200.0 °C
T–200.0 to 400.0 °C
N–200.0 to 1300.0 °C
W0to 2315 °C
L–200.0 to 900.0 °C
U–200.0 to 400.0 °C
RTD Pt100 –200.0 to 850.0 °C
JPt100 –200.0 to 500.0 °C
•Pulse Signal
Measures the following items on the rising edge (from low to high) of the input pulse.
•Pulse (instantaneous value): Counts and displays the number of pulses per
sampling interval.
• Pulse (integrated value): Sums and displays the number of pulses per
sampling interval from the start of the logging
operation.
• Number of revolutions: Counts the number of pulses per second, converts
the number to number of revolutions, and displays
the result.
Input Type Range Maximum Number of Input Pulses
Pulse (instantaneous value) None 50 k/sampling interval
Pulse (integrated value) 50 kc/f.s. 50 k/sampling interval
500 kc/f.s.
5 Mc/f.s.
50 Mc/f.s.
500 Mc/f.s.
Number of revolutions 500 rpm/f.s. 50 k/sec
5 krpm/f.s.
50 krpm/f.s.
500 krpm/f.s.
f.s.: measurable range
•Logic Signal
Fixed as follows:
Low: 0.9 V or less or shorting of the input terminal
High: 2.1 V or more or opening of the input terminal
Scaling
For DC voltage, thermocouple, RTD and pulse input, the measured values can be scaled
to a value in the appropriate unit and displayed. Set the upper and lower limits of the
input’s display span, the upper and lower limits after scaling, and the unit. For pulse
input, set the conversion ratio, offset value, upper and lower limits of the scale after the
conversion, and unit.
Burnout
When measuring temperature using a thermocouple and the thermocouple burns out,
the measured result is fixed to positive over range (shown as “+*****”).
1.2 Functions of the Input Section

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1-4
Reference Junction Compensation (RJC)
When measuring temperature with a thermocouple, the XL100 uses its internal reference
junction compensation function.
Average Function
The average function performs moving average defined by the equation below on the
measured data to suppress the effects of noise riding on the signal. Use this function
when the displayed values of the measured data are fluctuating and difficult to read.
Dn= (Mn–(m–1)+ ... Mn–2+Mn–1+Mn)/m
Dn:Displayed value obtained by linearly averaging m points of numeric data
from the n–(m–1)th to nth time
Mn–(m–1): Numeric data of the n–(m–1)th time
•••
Mn–2: Numeric data of the n–2th time
Mn–1: Numeric data of the n–1th time
Mn: Numeric data of the nth time
m:Average count (select 1, 2, 5, 10, or 20)
Filter Function
Digital filter with the cutoff frequencies shown in the table below. The cutoff frequency
varies depending on the number of measurement channels and sampling frequency.
Set the frequency (50 Hz or 60 Hz) to match the frequency of the power supply that you
are using.
When the noise level is high due to the object under measurement or the environment,
this filter function can eliminate the noise components allowing correct measurements.
Sampling Interval vs. Cutoff Frequency Table
Sampling interval 100 msec 200 msec 500 msec 1 sec 2 sec 5 sec 10 sec ≥20 sec
2560 Hz50 Hz
8 ch 731 Hz 290 Hz 144 Hz 50 Hz 50 Hz 10 Hz 10 Hz
2560 Hz60 Hz 731 Hz 290 Hz 144 Hz 60 Hz 50 Hz 10 Hz 10 Hz
–50 Hz
16 ch
2560 Hz 731 Hz 290 Hz 144 Hz 50 Hz 50 Hz 10 Hz
–60 Hz 2560 Hz 731 Hz 290 Hz 144 Hz 60 Hz 60 Hz 10 Hz
2560 Hz8 ch Filter OFF 2560 Hz 2560 Hz 2560 Hz 2560 Hz 2560 Hz 2560 Hz 2560 Hz
2560 Hz16 ch Filter OFF 2560 Hz 2560 Hz 2560 Hz 2560 Hz 2560 Hz 2560 Hz 2560 Hz
1.2 Functions of the Input Section

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Explanation of Functions
1.3 Display Function
Display
The XL100 is equipped with a 3.5-inch color LCD monitor (320 dots horizontal ×240 dots
vertical). The screen consists of the status display section and the data display section.
•Status Display Section
Displays the screen name, date/time, internal memory and external storage media
usage, communication condition, operation mode, alarm occurrence, key lock, user
name (key login function), calculation, power condition, etc.
•Data Display Section
Displays the waveform display, digital display, bar graph display as well as alarm, log,
and file information of the measured/calculated data. Displays the setting menu and
settings when configuring the functions of the XL100.
Status display section
Data display section
Operation Mode and Display
As shown in the figure below, the XL100 has six operation modes: (1) Free Running
Mode in which instantaneous values are measured, (2) Logging Mode in which
continuous measurement is performed by setting the start and end of data saving, (3)
Logging & Review Mode in which past measured data can be viewed during continuous
measurement, (4) Review Mode in which saved data is analyzed, (5) File Operation
Mode in which file operations such as saving and loading of the setup data is performed,
and (6) Setting Mode in which various settings such as the measurement conditions are
specified. The displayed contents vary depending on the operation mode.
HOME REVIEW FILE
SETTING
START
/ STOP
Review Mode Setting Mode
Free Running Mode File Operation Mode
Logging Mode
Logging & Review Mode
Switch the
display
Waveform
Digital
Bar graph
Alarm summary
Log
Switch the
display
Waveform
Digital
Bar graph
Alarm summary
Log
Setting menu
Select
Input
Display
Alarm
Calculation
Hardware
Marker measurement
Set
File operation
menu
Select
Rename files
Delete files
Setup file
Copy data files
Copy backup memory
Format
Set
REVIEW
Statistical
calculation
System
information
System
information
Data Save
Communication
System
Initialize log
Marker
measurement
Statistical
calculation

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1-6
The displays shown below are available. For a description of the displayed contents, see
section 2.3, “Data Display” and 2.4, “Setup Display.”
•Waveform & Digital Display • Digital Display
•Bar Graph Display
•Review display • Logging & Review Display
•Alarm Summary Display
•Log (Error) Display • Log (Key Login/Logout) Display
1.3 Display Function

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Explanation of Functions
• Log (Communication Command) Display • Log (FTP Client) Display
•Log (Web Operation) Display • Log (E-mail Transmission) Display
•File Operation Screen
•Setup Display
1.3 Display Function

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Group Display
On the waveform display, digital display, and bar graph display, the data of up to eight
channels can be shown on a single screen. The eight channels can consist of a
combination of analog input channels (hereafter referred to as “measurement channels”),
calculation channels (see section 1.6, “Calculation Function), and communication
channels (see section 1.8, “Communication Function). You can assign the measurement
channels, calculation channels, and communication channels to four groups and switch
the displayed group to show the data of 32 channels.
Tag Display
You can assign easily identifiable tags (using up to eight characters) to channels and
display them along with the channel numbers.
Display using tag
s
1.3 Display Function

1-9
IM XL120E
3
2
1
4
5
6
7
8
9
10
11
12
13
App
Index
Explanation of Functions
1.4 Alarm Function
This function generates an alarm when the measured/calculated value meets a certain
condition. When an alarm occurs, information notifying the alarm occurrence is displayed
on the screen. In addition, an alarm signal can be delivered from the output terminal
(digital I/O connector) on the rear panel of the XL100.
Number of Alarms
An alarm can be set for each channel.
Alarm Conditions
You can select from the conditions given in the following table.
Input Type Setting Alarm Condition
Level OFF Not set alarm conditions.
or Hi An alarm occurs when the measured/calculated value is
Pulse greater than or equal to the alarm value.
Lo An alarm occurs when the measured/calculated value is less than
or equal to the alarm value.
Window IN An alarm occurs when the measured/calculated value is within
the lower limits and upper limits of the alarm range.
Window OUT An alarm occurs when the measured/calculated value is outside
the lower limits and upper limits of the alarm range.
Logic OFF Not set alarm conditions.
Hi An alarm occurs when the logic input changes from low
to high.
Lo An alarm occurs when the logic input changes from high
to low.
Alarm value
Alarm release
Measured value
Alarm occurrence
Hi Lo
Measured
value Alarm release
Alarm value
Alarm occurrence
Alarm value
Alarm release
Measured value
Alarm occurrence
Window IN Window OUT
Measured
value
Alarm release Alarm value
Alarm occurrence
Alarm Display
On the display, an alarm icon is shown in the status display section, and the alarm status
is shown in the data display section such as the waveform, digital, and bar graph
displays. In addition, the details of the alarm are shown on the alarm summary display.
There are two methods for displaying alarms. One method is to clear the alarm display
when the cause of the alarm is no longer met (non-hold display). The other method is to
keep displaying the alarm until the alarm acknowledge operation is carried out (hold
display).

IM XL120E
1-10
Delay Alarm
An alarm occurs when the measured/calculated value remains above (or below) the
alarm value for a specified time period (delay period).
In the figure below, the measured value exceeds the alarm value during period T1, but
no alarm is generated, because the condition does not last longer than the specified
delay period T. At time X2, the input exceeds the alarm value. However, no alarm is
generated, because the delay period has not elapsed. An alarm occurs at time X3 when
the delay period elapses.
Alarm releaseAlarm occurrence
T
X1 X2 X3 X4
T1
Measured value or
calculated value
Alarm value
Alarm Hysteresis
A width (hysteresis) can be specified to the values for activating and releasing the alarm.
Alarm hysteresis prevents frequent activation and release of alarms when the measured/
calculated value is unstable around the alarm value. The hysteresis is fixed to 0.5% of
the display span (display scale width if the range is set to scale).
Alarm
value
Alarm release
Measured value
Alarm occurrence
When set to high When set to low
Measured value Alarm release
Hysteresis
(Approx. 0.5%)
Alarm
value
Alarm occurrence
AND/OR of Alarm Output
When a single alarm output is shared among multiple alarms, you can select either of the
conditions below for activating the alarm output.
AND: Activated when all assigned alarms are occurring simultaneously.
OR: Activated when any of the specified alarms is occurring.
Hold/Non-Hold of Alarm Output
The method of clearing the alarm output from an alarm generated condition can be set to
either of the following settings.
Non-hold: Turn the output OFF when the alarm is cleared.
Hold: Hold the output ON until the alarm acknowledge operation is carried out.
Hold/Non-Hold of Alarm Display
The method of clearing the alarm display from an alarm generated condition can be set
to either of the following settings.
Non-hold: Clear the alarm display when the alarm is cleared.
Hold: Hold the alarm display until the alarm acknowledge operation is carried out.
Alarm Buzzer
A buzzer can be sounded when an alarm occurs.
Alarm Search
By using alarm markers in Review Mode, alarms can be searched on the review display.
1.4 Alarm Function