LineEye LE-8500XR-RT User manual

《 Ver.4 2022.12 》
MULTI PROTOCOL ANALYZER
LE-8500XR-RT
LE-8500X-RT
INSTRUCTION MANUAL

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2022 by LINEEYE CO., LTD. All rights reserved
Instruction
Thank you for your purchase of LE series.
To use it correctly, you are advised to read and understand this instruction manual thoroughly. Keep
this together with the warranty. If you encounter any problems, you will nd helpful information in
this manual.
NOTICE
It is prohibited to reprint or duplicate any part of the whole of this instruction manual without
prior permission from LINEEYE.
The content of this instruction manual and specications of the products are subject to change
without any notice.
This instruction manual has been designed and edited with great care to give you all necessary
information. If you have any questions, feel free to direct your inquiries to LINEEYE.
LINEEYE makes no warranty or guarantee, either expressed or implied with respect to its
quality, performance, merchantability, or tness for a particular purpose. LINEEYE shall not be
liable for direct, indirect, special, incidental, or consequential damages resulting from any defect
in the product. The warranty and remedies set forth above are exclusive and in lieu of all others.
USER LIMITATION
This product has not been developed for the use that needs exclusively high reliability and
safety: aerospace apparatus, trunk communication apparatus, nuclear control apparatus, medical
apparatus related with life maintenance etc. Therefore, do no use for those purposes.
LE-series models with Wi-Fi function (IEEE 802.11b/g/n) emit radio wave. Please do not use it
near a medical device, microwave, high-level electronics, TV, radio, wireless station for mobile
communication, or specified low power radio station. To use LE-series in the place where an
administrator limits the use of radio devices, follow the instruction of the administrator.
The Wi-Fi module used for the LE-series conforms to SRRC(China), FCC (USA), CE (EU),
TELEC (Japan), KCC (Korea), ISED (Canada), NCC (Republic of China), however, as its product
(LE-series) the Wi-Fi function is available only in Japan, USA, Canada, and EU nations in
compliance with RE directive (2014/53/EU).
To use the product other than above countries, order LE-series without Wi-Fi function. Please
contact the sales department for more details.
= = = Notice = = =
This product contains a battery.
To keep the quality of the battery, LINEEYE does not fully charge the battery.
Before using the battery, please make sure to charge the battery. When you
dispose of it, please follow the regulation of the region.

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● Do not disassemble, modify or repair the line monitor
This may result in an injury, electric shock, and ignition.
● Turn o the power of analyzer and unplug the cables immediately when emanating
smoke, odor or sound.
Continuous use may result in an electric shock, injure or ignition.
● Do not use the line monitor if there is inammable gas.
This may result in ignition and explosion.
● Turn o the power and unplug the line monitor immediately when liquid or foreign
substance gets into the line monitor.
Continuous use may result in ignition, electric shock and malfunction.
● Do not touch the line monitor with wet hand.
This may result in an electric shock and malfunction.
● Do not use the battery other than attached Lithium ion battery. Do not short the
electrode of the battery. Do not modify, decompose or heat the battery
It may cause the ignition and explosion.
● Do not give a strong impact on the product, such as dropping and crashing.
Safety Information
Read this rst !!
This Safety Information includes the following important information in order to not only have
you learn the right way to use the analyzer, but also prevent you from causing damage to people
and property. Before using,
please read the main contents after you understand the following symbols & marks.
Should the device be used without following these symbols, there is a
possibility of accidents, such as a death or a serious injury, occurring.
Should the device be used without following these symbols, there is a
possibility of accidents, such as a injury (*1), and material damage (*2)
occurring.
*1 :“Injury” indicates injury, burn and electric shock, or the like which does
not require hospitalization or the extended hospital visit.
*2 :“Material damage” indicates damage related to a house, a building,
furniture, apparatus, livestock or a pet.
Prohibition The necessary
Warning
Caution
Warning

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● Please follow the instruction for the USB Battery Charger. It may cause the
generation of heat, injure, electric shock and malfunction
・Do NOT use it for other than AC 100V to 240V
・Do no use when it brakes.
・Do not twist or step on the cable of charger.
(Do not stress the base of cable.)
・Do not place near the heater or put in the re.
・Do not disassemble, modify the USB Battery Charger or cable.
・Do not curve the cable around the USB Battery Charger.
・Do not put many loads on one electrical outlet.
・Insert it well to the electrical outlet.
・Remove the dust on the AC plug.
・Unplug the charger if you do not use it.
・When unplugging from the outlet, pull out the body straight.
● Do not leave the analyzer in the following conditions.
・Strong magnetic eld, static electricity or dusty place.
・Temperature and humidity above the specication or where dew condensation
appears.
・Not at, or shaking place.
・Place with leaking water or electricity
・Place aected by direct sun or near the re.
Please do not leave the analyzer in the car during the summer.
● Do not use at the following situations. The radio wave by the analyzer may cause
trouble.
・Near a medical device such as cardiac pacemaker or hearing aid.
・Near an automatic controller such as re-alarm box or automatic door.
・Near a microwave, high-level electronics, TV, or radio.
・Near a wireless station for mobile communications or a specified low power
radio station.
Remove the battery from the analyzer, when you throw away.
Caution
Caution

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CONTENTS
Safety Information 2
Chapter 1 Before Using the Product 6
1.1 Description on This Manual .............. 6
1.2 Unpacking .......................................... 6
1.3 Functions and Feature ........................ 7
1.4 Name of Each Part.............................. 8
1.5 Power Supply and Battery................. 12
1.6 Hand Strap......................................... 14
Chapter 2 Basic Operation and Set-up15
2.1 Power Source ON (Opening Screen) 15
2.2 Top Menu .......................................... 16
2.2.1 Switching between normal mode and
high-speed mode.... 17
2.2.2 File Manager .................................. 17
2.2.3 Record Control.............................. 17
2.2.4 System Cong................................ 23
2.2.5 Diagnostics function...................... 27
2.2.6 Time Settings ................................ 28
2.3 Measurement Port ............................. 29
2.4 Communication Condition Settings . 31
2.5 Connection ........................................ 43
2.6 Connection and Setting of
Time stamp Synchronous Function. 49
Chapter 3 Monitor Function 50
3.1 Online Monitoring (ONLINE).......... 50
3.2 Retrieval Function............................. 67
3.3 Delay Time and Signal
Voltage (DELAY) .......... 69
3.4 Statistic Analysis Function (Trend).. 71
Chapter 4 Simulation Function 73
4.1 Register Transmission Data .............. 74
4.2 RS-422/485 Driver Control .............. 82
4.3 Auto Line Control ............................. 83
4.4 Manual mode..................................... 85
4.5 Buer Mode ...................................... 87
4.6 Flow Mode......................................... 89
4.7 Echo back test (ECHO mode) ........... 93
4.8 Polling mode ..................................... 95
4.9 Program mode.................................. 100
4.10 Commands for Program Mode....... 105
4.11 Pulse Generator Mode (PULSGEN)127
Chapter 5 BERT Function 130
5.1 Connection and Settings .................. 130
5.2 Start and Stop.................................. 134
5.3 Contents of the Line Quality Data... 135
Chapter 6 Useful Functions 136
6.1 Trigger Function............................... 136
6.2 Timer/Counter Function .................. 144
6.3 Timing Waveform Measurement
6.4 Auto Conguration Function........... 149
6.5 Split Display..................................... 150
6.6 Translation Function ........................ 151

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Chapter 7 Save and Load of
the Data 155
7.1 Storage device................................... 155
7.2 File Management Function .............. 156
Chapter 8 Utiltty 161
8.1 PC Link Function ............................. 161
8.2 Capture data les while measuring . 163
8.3 PC Remote Control Library............. 164
Chapter 9 Documents 165
9.1 Calculation of the Block Check........ 165
9.2 Send/Receive Clock ......................... 167
9.3 About the Frame............................... 169
9.4 Data Code Chart............................... 170
9.5 Translation Display Specication .... 174
Chapter 10 Specications and
Maintenance 188
10.1 Specications of Function and
Hardware. 188
10.2 Signal Denition of
the Measurement Ports ...... 189
10.3 Shortcut Keys ................................. 194
10.4 Factory reset ................................... 195
10.5 How to update the rmware........... 195
10.6 Trouble shooting............................. 196
10.7 Warranty and After service............ 198

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1.1 Description on This Manual
Function for dierent model
・When the performance or function diers depending on the model of the protocol analyzer,
[Model number] is described side by side.
Deception of the Operating Procedure
・Printed representation of screen displays in the manual may not be the same as that actually
displayed concerning the font and special symbols.
・Descriptions of items of the screen are enclosed in double quotation marks “ ” .
・Reference page is described with .
・Represent key is enclosed in [ ].
e.g. Press “ ” key. : Press [MENU].
・Successive key or tap operations may be represented by putting their symbols one after another.
e.g. Press [MENU], then press [0]. : Press [MENU] -> [0].
e.g. Tap [A], then tap [B]. : Tap [A] -> [B].
・ Pressing two keys at the same time is represented by combining their symbols with “+” .
e.g. Press [SHIFT] and [ESC] at the same time : Press [SHIFT]+[ESC].
Chapter 1 Before Using the Product
1.2 Unpacking
When you unpack the product, check the items below:
ڦThe product has not been damaged during the transit.
ڦYou have received all the standard accessories listed below.
□ Protocol Analyzer 1
□ Interface Sub-board [SB-R2TS1 ] (attached to the analyzer) 1
□ DSUB 25pin monitor cable [LE-25M1] 1
□ DSUB 9pin monitor cable [LE-009M2] 1
□ DSUB25pin-9pin conversion adapter 1
□ 5 wires TTL prove cable [LE-5LS] 1
□ Hand strap (Already mounted) 1
□ Wide input AC adapter (Input :AC100-240V / Output :DC9V) 1
□ USB cable (Type Standard A - Type C) 1
□ Utility CD 1
□ Quick Start Guide 1
□ Carrying bag [LEB-01] 1
□ Registration card, Warranty 1
The card packed with the product is the user registration card for Japanese customers. For
overseas customers, there is a user registration page on our web site.( https://www.lineeye.
com )
Please let us know if you nd any damage to the product or accessories lacking.


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1.3 Functions and Feature
LE-8500X-RT/LE-8500XR-RT is a multi-protocol analyzer that can measure and test RS-232C, RS-
530, RS-422/RS-485, and TTL level serial communication by one unit. Using the monitor function,
communication simulation function, bit error rate function, etc. according to the test situation, it can be
widely used for the development/maintenance of PC peripherals, serial interfaces of FA equipment, and
UART, SPI, and I2C of embedded boards.
یOnline monitor function
This function is used to monitor communication protocols and transmission/reception data
in an online state, and to analyze the presence or absence of failures and their details.
یSimulation function
This function can perform data transmission/reception operations as a communication
partner of the device to be tested.
یBit error test function
This function evaluates the quality of data communication lines including modems.
ۑUtility CD
Utility CD contains following les
Manual folder : Instruction manual for the analyzer
Utility folder : Various Utilities
Features
・ Supports RS-232C, RS-530, RS-422 / RS-485, and TTL just by one unit.
・Supports legacy interfaces such as V.35, X.20 / 21, RS-449.
・ Program simulation function that enables exible communication tests
・Bit error rate test function for transmission quality analysis
・ Reproduces and outputs a timing waveform data acquired by the logic analyzer function
・ Time stamp that allows time synchronization by GNSS (PPS) signal
・Automatically records communication logs to large-capacity external storage via USB3.0
・Newly designed lightweight housing with 7-inch color LCD with touch panel
・Saves measurement reports in snapshot
・PC link by LAN, USB, or Wi-Fi (XR only) connection
Optional Accessories
・Expansion kit for GbitLAN
communication SB-GE2
・GPS active antenna EB-SL-AA170
・PPS signal I/O cable LE-PPS-2
・Coaxial cable for PPS synchronization
LE-SMA-LS-2
・X.21 monitor cable LE-25Y15
・RS-449 monitor cable LE-25Y37
・V.35 monitor cable LE-25M34
・RS-530 cable LE-25S530
・LAN cable
・Lithium ion battery pack P-26LW2
・8GB SDHC card SD-8GX
・16GB SDHC card SD-16GX
・32GB SDHC card SD-32GX

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1.4 Name of Each Part
General
Name Description
1) AC adapter plug Connects the AC adapter, which serves as a battery charger.
2) Power Switch Press for about 1 second to turn the power on/o.
3) SD Card Slot The inlet for a SD/SDHC card.
4) USB Host Port Connection port for a USB ash drive.
5) USB Device Port USB Type-C connector connected to a PC or battery charger
6) LAN port
RJ-45 connector. Link: LED (right),
1000BASE-T connection: LED (left)
Used when connecting to a PC via wired LAN.
7) Inter face Sub -Board The SB-R2TS1 sub-board is installed.
It can be exchanged with other optional measurement sub-boards.
8) RS-232C,RS-530 Port RS-232C (V.24) and RS-422/485 (RS-530) measurement ports (*1)
Dsub25 pin (female)
9) TTL,trigger I/O port TTL measurement port and external signal I/O port. Pin header, 10
poles.
1)
2)
3)
4)
7)8)9)10)11)
5)
6)
12)
16)
17)
13)
14)
15)

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LED and Display
ڦPower LED
Light in green during operation. Blink in red while it charges a battery.
Slow charge (when AC adapter is connected) : Blink per 1 sec.
Normal charge (when connected by USB Type-C) : Blink per 1.5 sec.
Fast charge (when connected via other USB) : Blink per 4 sec.
1.5 Power Supply and Battery
ڦLine state LED
Tap “LED” at the bottom right of the screen to display the meaning of each LED.
If you tap anywhere in the area while it is displayed, it will be hidden.
You can also switch shown/hidden the display of the meaning of each LED by pressing
[SHIFT] + [MENU].
Signal names are indicated by RS-232C pin assignment names.
The meaning of the display state changes depending on the interface board.
10) RS-422/485 Port RS-422/485 measurement port (*1). Detachable terminal block, 5
poles.
11) GPS antenna connector
SMA (female) connector
When synchronizing the time with GPS, connect the optional GPS
antenna .
12) 7 Inch Color Display 7 Inch Color Display with capacitive touch panel.
13) Line State LED Displays the status of the interface to be measured.
14) Power LED Lights in green when the power is turned on.
Blinking in red when charging battery.
15) Keypad Entering commands and other operation.
16) Battery Cover Open/close when replacing the battery.
1.5 Power Supply and Battery
17) Hand Strap Use to hold the product.
*1 : The RS-422/485 signal lines of the RS-422/485 port and the RS-232C/RS-530 port are connected
inside the unit, so do not connect them at the same time.



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ڦData display window
1) Measuring “ ” , Pause “ ”
2)
Current status of the capture buer.
０ :Entirely in use １ / ２ ： Divided into 2 parts and in use.
2.2.2 Record Control Recording area
3) Description of the current window.
4) Wi-Fi status (bright display when IP address is acquired or access point is ready)
Not displayed on models that do not support Wi-Fi.
5) Wired LAN status (bright display when IP address is obtained)
6) Status of USB device port. (Connected when the color is bright, “ ” is displayed when
it is in super speed.)
7) Status of USB host port. (Bright color when recognizing, red when writing)
8) Status of SD card slot. (Bright color when recognizing, red when writing)
9) Estimated battery level is displayed, and “ ” is displayed when power is supplied from
the outside.
10) Setting items or measured data.
11) Touch panel for advanced settings.
10)
1) 2) 3) 5) 7) 8)
11)
4) 6)
9)


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ڦKeys
Operations Function
[ ] Turn ON/OFF the power.
Press it for more than 1sec.
[RUN] Start monitoring, measuring or testing operation.
[STOP] Stop monitoring, measuring or testing operation.
[MENU] Return to the top menu.
[ESC] Return to the previous display
Return to the data display from conguration.
[ ▲ ] , [ ▼ ] Scroll one data line.
Move the cursor on the condition setting.
[
▲
] , [
▲
] Scroll one character of data.
Change the setting on the condition setting.
[ENTER] Apply selected settings.
[0]~[F] Enter numerical values.
[TOP/DEL] Delete the entry indicated by the cursor.
[END/X] Enter the data of “Don't Care”.
[SHIFT] Press to use the expanded alternate function of each key.
[SHIFT]+[TOP/DEL] Jump to the top of data.
[SHIFT]+[END/X] Jump to the end of the screen.
[SHIFT]+[ESC] Save the screen image to the storage device.
[SHIFT]+[MENU] Display/hide the description of LEDs.
[SHIFT]+[RUN] Brighter the LCD back light.
[SHIFT]+[STOP] Darker the LCD back light.
On the top menu [SHIFT]+[0] Switch to the normal mode.
On the top menu [SHIFT]+[3] Switch to the hig-speed mode.
* [X]+[Y] indicates the operation of pressing [X] and [Y] together at the same time.
Shortcut keys are available from [MENU] and [0]~[F].
12.2 Shortcut Keys
Key operation
There is a keyboard to input data and operate commands.

Tap Tap the screen once to select the setting etc.
Double tap Tap the screen twice to select and execute the setting.
Swipe Touch and slide the nger to scroll data.
ڦTouch panel
Following operation is available.

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1.5 Power Supply and Battery
ڦPower supply
Works with the included AC adapter or built-in lithium-ion battery.
Battery life is about 4 hours. Increases or decreases depending on usage.
It does not work with bus power supply from the USB device port.
AC adapter USB Type-C cable
USB battery charger
AC adapter
ڦCharge the Battery
The built-in lithium-ion battery is charged when powered by the AC adapter or bus-powered
from the USB device port.
The charging time will be as follows depending on the usage conditions.
Power supply Analyzer Status Charge Time Power LED blinking
AC adapter OFF －About 3.5 hours Approx.1sec cycle
ON Stop measuring Max. 6 hours *1 Approx.4sec cycle
Measuring No charge No blinking
USB bus power OFF Use attached USB
cable
Max. 6 hours *1 Approx. 4 sec cycle
Use Type-C battery
charger etc. *2
About 4.5 hours Approx.1.5 sec cycle
ON －No charge No blinking
*1 ：This will not be full charging because of the small amount of current (approx. 160mA).
*2 ：It will be the same when it connects to the PC with a USB port in Type-C connector.
This analyzer is not charged in full before shipping. To use the analyzer at the rst time,
charge it full.
Charge the analyzer under the temperature of 5 to 40 ℃. It will not start charging below
5 ℃.
If you are not going to use it for a long term, charge the battery in full. After that, try to
charge the battery every 6 months.

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ڦReplace the Lithium ion battery
If the analyzer can no longer drive by the battery, or the service time after charging
becomes extremely short, replace the battery.
Disconnect the cables, turn o the analyzer, remove the battery cover, and replace the old
battery.
As batteries are consumables, the replacement of a battery will cost you even during the
warranty period.
Old battery has to be handled in an appropriate manner.
12.7 Warranty and After service
Push this part of the connecter and
then pull the cable of the battery
to the direction of arrow.
To replace the battery, purchase LINEEYE Lithium ion battery pack (model: P-26LW2),
and do not use any other.
The battery is necessary for protection in the event of a sudden power failure, so be sure
to install and use it.
ڦLithium primary battery
The clock built into the unit is backed up by the built-in lithium primary battery for about 5
years even when the power is turned o.
If the watch goes wrong or will be reset, replacement of the lithium primary battery at
our factory is required. In that case please contact LINEEYE or LINEEYE distributor.


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1.6 Hand Strap
You are able to put and remove this hand strap.
Put on the hand strap
Hand strap is already set in the analyzer when you purchase.
<Remove the hand strap>
1) Open the Velcro.
2) Remove the belt.
3) Remove the hand strap from the analyzer
Reverse the process when putting on the hand strap.
NOTICE
Put each magic tapes of the belt in the hand strap for 3cm or more.

-15-
Power Source OFF
Press and hold the power switch for about 1 seconds to turn o the power of analyzer. The setting
data and captured data are saved in the inner memory of analyzer for about 16M byte. To save all
data, use the SDHC card or USB ash drive.
If you want to erase all the contents of the capture memory when the power is
turned o, turn o the auto backup function.
2.2.3 Record Control
At the rst boot, you can switch the display
language between Japanese and English.
To change the already set one, set it at
“Language”in the system settings from the
top menu screen.
2.2.3 System Cong Language
This setting is valid until the system is
initialized or the system is recovered from
the rmware update operation.
Power Source ON
Press [ ] for about 1 second to start and display the opening screen. It takes about 15
seconds to start. At the rst boot, the Japanese-English display language selection screen will be
displayed. When it is already set, the top menu screen will be displayed.
2.1 Power Source ON (Opening Screen)
Language (English or Japanese)
Chapter 2 Basic Operation and Set-up


10.4 Factory reset
10.5 How to update the rmware


Both LE-8500XR-RT and LE-8500X -RT models are displayed as “LE-8500X”.

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2.2 Top Menu
Press [MENU] to set the initial settings.
Touch the setting item, or press [ENTER] after selecting the item by [ ▲ ] [ ▼ ][
▲
] [
▲
]
Press [ESC] to move to the measurement result display screen.
To switch the measurement mode, tap “Mode” or press [ENTER] while selecting “Mode” and select
from the displayed mode list.
You can call up each setting screen by touching “File manager”, “Record Control”, “System Cong”,
and the current time display at the bottom of the top menu screen.
1) Switch the measurement mode.
2) Depending on the selected measurement mode, the necessary setting items are displayed.
3) Display the operation guide.
4) Displays the currently set measurement mode setting.
You can also tap this part to move to the setting change screen.
5) Save/read to a le.
2.2.2 File Manager
6)
Congure settings related to the capture buer for recording measurement data and the save
destination.
2.2.3 Record Control
7) Congure settings related to screen brightness, network, language, rmware update, etc
2.2.4 System Cong
8) Set the time.
2.2.5 Time Settings
1)
2)
4)
5) 6) 7) 8)
3)





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2.2.1 Switching between normal mode and high-speed mode
The LE-8500X-RT can be used by switching between a normal measurement mode and a high-speed
mode that supports up to 20Mbps measurement. In high-speed mode, only Online, Manual, and
PULSGEN can be used, and some functions such as triggers are also dierent.
Press [SHIFT]+[0] on the top menu screen to enter normal mode, and press [SHIFT]+[3] to enter
high-speed mode.
2.2.2 File Manager
Save/read to a le. Chapter 7 Save and Load of the Data
2.2.3 Record Control
Configure settings related to the display of time stamps, etc., the capture buffer that records
measurement data, the saving method, and automatic measurement.
ڦAdditonal info.
یIdle time
It displays the non-communication time when there is no change in transmission/
reception data and control line.“Do not record” or set the time resolution to 100 ms, 10
ms, or 1 ms.
This is not available in high-speed mode.
2.2.1 Switching between normal mode and high-speed mode
When you switch between high-speed mode and normal mode, settings other
than the transmission data table of the simulation function and the simulation
program are initialized. If you want to reuse the settings, save the setting data for
each mode to a storage device before switching.



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یTime stamp
The time when the rst data of the communication frame was captured can be recorded
in the capture buer as a time stamp.
Set “Off” or the time resolution from “Day Hour:Minute”, “Hour:Minute:Second”,
“Minute:Second.10msec”, “Year/Month/Day Hour:Minute”, “Month/Day
Hour:Minute:Second”, “Day Hour:Minute:Second.10msec”, “100µs”, “10µs” or “1µs”.
In the high-speed mode, the time resolution is “1 ms”, “100 μs”, “10 μs”, and “1 μs”.
یSynchronization
Set to synchronize timestamps to a 1 second reference (PPS) signal.
2.6 Connection and Setting of Time stamp Synchronous Function
None Uses the built-in RTC of analyzer
GPS time Synchronize with PPS signal obtained from GPS
Ext. PPS(TRG IN) Synchronizes with the PPS signal input from the PPS terminal
When either synchronization is enabled, it takes 3 to 4 seconds to actually start
the measurement because the synchronization work starts at the start of the
measurement.
If a valid PPS signal cannot be received during that time, an error will occur and
the measurement will not start. Be especially careful when using the automatic
measurement function.
For external PPS synchronization, the measurement start time is the positive second
(○○seconds .000000000) closest to the current internal clock time.If you want to
synchronize the data time stamp with UTC as well as the relative time after the start
of measurement, you need to set the built-in clock to an error of less than 0.5 seconds
in advance using NTP etc.
If “OT2 pulse output” is set as the operation of any trigger function, the function to
send the PPS signal from TRG OT2 of this unit to the second analyzer will not work
even if it is set to “GPS time”.
When using an external PPS, if the polarity inversion check box is not checked, the
time is adjusted by detecting the falling edge of the TRG IN terminal. Do not check
if the device that outputs the PPS signal is another LE-8500X series or the device
that outputs PPS at the falling edge of the time. Check this when using a PPS signal
output device that outputs the time at the rising edge.
یLine state
Mark on the box to record the line states (RTS, CTS, DCD, DTR, DSR, RI, TRG)
along with the measured data. If it sets the idle time, idle time of the line states will be
recorded as well.
