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tBOX100-838-FL Series
Embedded System
User’s Manual
Disclaimers
This manual has been carefully checked and believed to contain accurate information.
Axiomtek Co., Ltd. assumes no responsibility for any infringements of patents or any third party ’s rights, and any liability arising from such use.
Axiomtek does not warrant or assume any legal liability or responsibility for the accuracy, completeness or usefulness of any information in this document. Axiomtek does not make any commitment to update the information in this manual.
Axiomtek reserves the right to change or revise this document and/or product at any time without notice.
No part of this document may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of Axiomtek Co., Ltd.
Copyright 2017 Axiomtek Co., Ltd.
All Rights Reserved
Aug 2017, Version A1
Printed in Taiwan ii
Safety Precautions
Before getting started, please read the following important safety precautions.
1. User should not modify any unmentioned jumper settings without Axiomtek FAE ’s instruction. Any modifications without instruction might cause system damaged.
2. Operating system follows the configuration you had in tBOX100-838-FL.
3. Be sure to ground yourself to prevent static charge when installing internal components. Using a grounding wrist strap and place all electronic components in any static-shielded devices. Most electronic components are sensitive to static electrical charge.
4. Disconnect the power input with tBOX100-838-FL before making any installation. Be sure both the system and the external devices are TURNED OFF. Sudden surge of power could damage sensitive components. Make sure the tBOX100-838-FL is properly grounded.
5. Make sure the voltage of the power source is correct before connecting the equipment to the power outlet.
6. TURN OFF the system power before cleaning.
7. Do not leave this equipment in an uncontrolled environment where the storage temperature is below -40 ° C or above 60 ° C or It may damage the equipment.
8. Do not open the system’s bottom cover. If opening the cover for maintenance is a must, only a trained technician is allowed to do so. Integrated circuits on computer boards are sensitive to static electricity. To avoid damaging chips from electrostatic discharge, observe the following precautions:
Before handling a board or integrated circuit, touch an unpainted portion of the system unit chassis for a few seconds. This will help to discharge any static electricity on your body.
When handling boards and components, wear a wrist-grounding strap, available from most electronic component stores. iii
Classification
1. Degree of production against electric shock: not classified
2. Degree of protection against the ingress of water: IP40
3. Equipment not suitable for use in the presence of a flammable anesthetic mixture with air or with oxygen or nitrous oxide.
4. Mode of operation: Continuous
General Cleaning Tips
You may need the following precautions before you begin to clean the computer. When you clean any single part or component for the computer, please read and understand the details below fully.
When you need to clean the device, please rub it with a piece of dry cloth.
1. Be cautious of the tiny removable components when you use a vacuum cleaner to absorb the dirt on the floor.
2. Turn the system off before you start to clean up the component or computer.
3. Never drop the components inside the computer or get circuit board damp or wet.
4. Be cautious of all kinds of cleaning solvents or chemicals when you use it for the sake of cleaning. Some individuals may be allergic to the ingredients.
5. Try not to put any food, drink or cigarette around the computer. iv
Cleaning Tools:
Although many companies have created products to help improve the process of cleaning your computer and peripherals users can also use household items to clean their computers and peripherals. Below is a listing of items you may need or want to use while cleaning your computer or computer peripherals.
Keep in mind that some components in your computer may only be able to be cleaned using a product designed for cleaning that component, if this is the case it will be mentioned in the cleaning.
Cloth: A piece of cloth is the best tool to use when rubbing up a component. Although paper towels or tissues can be used on most hardware as well, we still recommend you to rub it with a piece of cloth.
Water or rubbing alcohol: You may moisten a piece of cloth a bit with some water or rubbing alcohol and rub it on the computer. Unknown solvents may be harmful to the plastics parts.
Vacuum cleaner: Absorb the dust, dirt, hair, cigarette particles, and other particles out of a computer can be one of the best methods of cleaning a computer. Over time these items can restrict the airflow in a computer and cause circuitry to corrode.
Cotton swabs: Cotton swaps moistened with rubbing alcohol or water are excellent tools for wiping hard to reach areas in your keyboard, mouse, and other locations.
Foam swabs: Whenever possible it is better to use lint free swabs such as foam swabs.
NOTE: We strongly recommended that you should shut down the system before you start to clean any single components.
Please follow the steps below:
1. Close all application programs
2. Close operating software
3. Turn off power switch
4. Remove all device
5. Pull out power cable v
Scrap Computer Recycling
If the computer equipments need the maintenance or are beyond repair, we strongly recommended that you should inform your Axiomtek distributor as soon as possible for the suitable solution. For the computers that are no longer useful or no longer working well, please contact your Axiomtek distributor for recycling and we will make the proper arrangement.
Trademarks Acknowledgments
Axiomtek is a trademark of Axiomtek Co., Ltd.
Windows
®
is a trademark of Microsoft Corporation.
AMI
®
is a registered trademark of American Megatrends Inc.
IBM, PC/AT, PS/2, VGA are trademarks of International Business Machines Corporation.
Intel
®
and Atom
™
are trademarks of Intel Corporation.
Winbond is a trademark of Winbond Electronics Corp.
Other brand names and trademarks are the properties and registered brands of their respective owners. vi
Table of Contents
CHAPTER 1 INTRODUCTION ....................................................................... 1
General Description ........................................................................... 1
System Specifications ....................................................................... 2
CHAPTER 2 HARDWARE INSTALLATION .................................................. 7
HDD/SSD Installation ......................................................................... 7
PCI Express mini card and SIM card Installation ............................. 8
Wall mount kit Installation ................................................................. 9
CHAPTER 3 CONNECTOR ......................................................................... 11
LAN Connector (LAN#1, LAN#2) .................................................................. 14
PCI Express mini card Connector ................................................................ 16
CHAPTER 4 AMI BIOS SETUP UTILITY ..................................................... 17
Navigation Keys ............................................................................... 18
Advanced Menu ............................................................................... 20
Chipset Menu ................................................................................... 27
Security Menu .................................................................................. 29
Save & Exit Menu ............................................................................. 31
APPENDIX A WATCHDOG TIMER ............................................................. 33
vii
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tBOX100-838-FL Series U ser’s Manual
CHAPTER 1
INTRODUCTION
This chapter contains general information and detailed specifications of the tBOX100-838-FL.
The Chapter 1 includes the following sections:
General Description
System Specifications
Dimensions
I/O Outlets
Package List
1.1 General Description
The tBOX100-838-FL is an embedded system that supports onboard Intel
®
Atom
™
E3845
(1.91 GHz), to provide Windows
®
7, Windows
®
8, Windows
®
10 IoT, Windows
® embedded ,Linux and VxWorks7, suitable for the most endurable operation. It features fanless design with full feature I/O, supports onboard 4GB DDR3L memory, and enhanced system dependability by built-in Watchdog Timer.
Features
CE (Class A), E-Mark, ISO 7637, certified;
Intel
®
Bay Trail-I Atom
™
E3845 (10W) [email protected] processor onboard
DDR3 4GB system memory onboard comes with high performance and reliability
Fanless with operating temperature range of -40°C ~ +60°C
Intelligent power management solution
Compact size with rich multiple I/O ports, DIN rail and wall mount supported
1x full size PCI Express mini card slot, 1x SIM card socket for various applications
Reliable and Stable Design
The tBOX100-838-FL is designed for fanless and wide operating temperature range system, also we enhance vibration endurance such as: lockable I/O outlets, onboard processor, onboard system memory and follow IEC60068 regulartion, make sure filed embedded system reliability and stability, best for mobility control unit, passenger information system, onboard video surveillance and many more applications.
Embedded O.S. Supported
The tBOX100-838-FL is not only support Windows embedded OS, such as Windows
®
®
7/8/10, but also supports
7/8 embedded, WinCE, Linux and VxWorks7.
For storage device, the tBOX100-838-FL supports one 2.5" 9.5mm SATA HDD drive bay.
Introduction 1
tBOX100-838-FL Series U ser’s Manual
1.2 System Specifications
1.2.1 CPU
CPU
Intel
®
Atom
™
E3845 processor (Quad Core, 2M Cache, 1.91 GHz) onboard.
BIOS
American Megatrends Inc. BIOS.
“Load Optimized Default” to backup customized Setting in the BIOS flash chip to prevent from CMOS battery fail.
System Memory
4GB DDR3L-1333 system memory onboard.
Graphics
Integrated in the Intel
®
HD Graphics for VGA.
Rear Side
2x RJ-45 GbE LAN (M12 A-coded is optional)
1x Phoenix DC power input (M12 DC power input is optional)
4x antenna opening
Front Side
1x RS-232/422/485
1x VGA
2x USB 2.0
1x Reset button
1x Remote power switch
4x video-in/1x audio-in BNC
Watchdog Timer
Reset supported; 255 levels, 0~255 secs/mins
Power Supply
9~36 VDC-in power supply (Typical as +12/24V)
Power Rate:9-36Vdc, 1.8A@12/24Vdc
Operation Temperature
-40 ° C - +60 ° C (- 40 ° F - +140 ° F)
Storage Temperature
-40 ° C - +85 ° C (- 40 ° F - +176 ° F)
Humidity
5% - 95% (non-condensation)
Vibration Endurance
2Grms w/ SSD, (5 - 500Hz, X, Y, Z direction; Random)
1Grms w/ HDD, (5 – 500Hz, X, Y, Z direction; Random)
2 Introduction
tBOX100-838-FL Series U ser’s Manual
Weight
0.77 kg (1.69 lb) without package
1.40 kg (2.78 lb) with package
Dimensions
163.8mm(6.44
”)(W) x 108mm(4.25”)(D) x 44mm(1.73”)(H)
NOTE: All specifications and images are subject to change without notice.
Chipset Driver
Graphic Drivers
Ethernet Driver
Capture Card Driver
Introduction 3
tBOX100-838-FL Series U ser’s Manual
1.3 Dimensions
The following diagrams show you dimensions and outlines of the tBOX100-838-FL.
4 Introduction
tBOX100-838-FL Series U ser’s Manual
1.4 I/O Outlets
The following figures show you panoramic view of tBOX100-838-FL.
Front View
Front View drawing
Rear View type #1
Rear View drawing type #1
Introduction 5
tBOX100-838-FL Series U ser’s Manual
1.5 Packing List
The package bundled with your tBOX100-838-FL should contain the following items:
tBOX100-838-FL System Unit x 1
Quick Installation Guide x 1
DVD Driver x 1
Din-rail & Bracket x 1
Wall mount x 4
Foot Pad Kit x 4
Screws x 14 (SSD x4/Wall mount x4/Din rail x4/Mini card x2)
Terminal block for power x1 (RJ-45 GbE LAN version only)
HDD/SSD (optional)
M12 LAN cable (optional)
M12 power cable (optional)
M12 power adapter (optional)
Remote switch cable (optional)
Mmini card module (optional)
If you can not find this package or any items are missing, please contact Axiomtek distributors immediately.
6 Introduction
tBOX100-838-FL Series U ser’s Manual
CHAPTER 2
HARDWARE INSTALLATION
The tBOX100-838-FL is convenient for your various hardware configurations, such as HDD and PCI Express mini card. The chapter 2 will show you how to install the components.
2.1 HDD/SSD Installation
Step 1 Turn off the system, and unplug the power cord. Loosen the screws and plug out HDD/SSD tray as shown.
Step 2 Fasten 4x screw and rubber pad with HDD/SSD as shown.
Note the direction of SATA connector.
Step 3 Plug in HDD-TRAY and Fasten 2x screw as shown.
Hardware Installation 7
tBOX100-838-FL Series U ser’s Manual
2.2 PCI Express mini card and SIM card Installation
Step 1 Turn off the system, and unplug the power cord. Loosen the screws as shown.
Step 2 Install the module card and fasten screw as shown .
Step 3 Fasten 4x screw on bottom cover as shown.
8 Hardware Installation
tBOX100-838-FL Series U ser’s Manual
2.3 Wall mount kit Installation
Step 1 Turn off the system, and unplug the power cord. Loosen the screws as shown.
Step 2 Fasten 4x screw and wall mount kit , last fasten 2x screw as shown.
Hardware Installation 9
tBOX100-838-FL Series U ser’s Manual
2.4 Din-rail kit Installation
Step 1 Turn off the system, and unplug the power cord. Fasten 2x screw and dinrail bracket.
Step 2 Fasten 2x screw and din-rail kit.
10 Hardware Installation
tBOX100-838-FL Series U ser’s Manual
CHAPTER 3
CONNECTOR
3.1 Connectors
Connectors connect the motherboard with other parts of the system. Loose or improper connection might cause problems. Make sure all connectors are properly and firmly connected.
DB15 connector is commonly used for the CRT monitor.
Pin Signal Pin Signal Pin
1
4
7
10
Red
N.C.
GND
GND
2
5
8
11
13 Horizontal Sync 14
Green
GND
GND
N.C.
Vertical Sync
3
6
9
12
15
Signal
Blue
GND
VCC
DDC DATA
DDC CLK
3.1.2 Remote switch Connector
Remote switch is ideal for a remote botton which can act as an ATX power on/off botton.
Pin Signal Description
1 NC
2
3
4
Switch Signal
Ext. SW Sensor
GND
Low Active. Act as PC
’s ATX switch when external switch installed (Pin 3 Active)
**Internal pull up resister did not connect to any power source
Low Active. To detect external power swtich install or not.
** Internal pull up resister did not connect to any power source
Connector 11
tBOX100-838-FL Series U ser’s Manual
The pin definitions of RS-232/422/485 are listed as following matrix. You may select RS-
232/422/485 function in BIOS settings.
Pin RS-232
1 DCD, Data carrier detect
2 RXD, Receive data
3 TXD, Transmit data
4 DTR, Data terminal ready
5 GND, ground
6 DSR, Data set ready
7 RTS, Request to send
8 CTS, Clear to send
9 RI, Ring indicator
RS-422 RS-485
TX-
TX+
RX+
RX-
Data-
Data+
NC
NC
GND, ground GND, ground
NC NC
NC
NC
COM
NC
NC
NC
NC
Pin Signal USB Port 0 Pin
1
2
USB VCC
(+5V level)
USB #0_D-
5
6
3
4
USB #0_D+
Ground (GND)
7
8
Signal USB Port 6
USB VCC
(+5V level)
USB #6_D-
USB #6_D+
Ground (GND)
USB
5 6 7 8
1 2 3 4
12 Connector
tBOX100-838-FL Series U ser’s Manual
Number
4
5
6
1
2
3
LED Indicator
Green
Green
Red
Yellow
Green
Green
Function
Power on
REC
Alert
HDD active
LAN #1 active
LAN #2 active
1
2
3
3.1.6 DC Power Input connector
There are three pins of the DC-in connector as below.
Pin Description Definination
V+
V-
ACC
For DC power in V+.
For DC power in V-
For ACC (Ignition)
1
2
3
4
5
6
Connector 13
tBOX100-838-FL Series U ser’s Manual
3.1.7 LAN Connector (LAN#1, LAN#2)
The RJ-45 LAN connector is able to support 10/100/1000Mbps.
Pin Description
1 Transmit Data+ or Bidirectional
2 Transmit Data- or Bidirectional
3 Receive Dtata+ or Bidirectional
4 Not Connected or Bidirectional
5 Not Connected or Bidirectional
6 Receive Dtata- or Bidirectional
7 Not Connected or Bidirectional
8 Not Connected or Bidirectional
A Activity Link LED(Yellow)
B Speed LED
10/100Base-T 1000Base-T
TX+
BI_DA+
TX- BI_DA-
RX+
N.C.
N.C.
RX-
BI_DB+
BI_DC+
BI_DC-
BI_DB-
N.C. BI_DD+
N.C. BI_DD-
OFF: No Link
Blinking: Data acitivity detected
OFF/Green Orange
A B
L8 L7 L6 L5 L4 L3 L2 L1
14 Connector
tBOX100-838-FL Series U ser’s Manual
The SIM Card slot is a ISO 7816 standard 6 -pin connector for PCI Express Mini
Card used.
Pin Signal
C1 SIM_PWR
C2 SIM_RESET
C3 SIM_CLK
C5 GND
C6 SIM_VPP
C7 SIM_DATA
C3
C2
C1
LOCK
OPEN
C7
C6
C5
Connector 15
tBOX100-838-FL Series U ser’s Manual
3.1.9 PCI Express mini card Connector
The PCI Express mini card connector is able to support a PCI Express x1 link and a
USB 2.0 link.
Pin
41
43
45
47
49
51
27
29
31
33
35
37
39
19
21
23
25
11
13
15
17
1
3
5
7
9
Signal
GND
GND
PE_TXN4
PE_TXP4
GND
GND
+3.3VSB
+3.3VSB
GND
No use
No use
No use
No use
WAKE#
No use
No use
CLKREQ#
GND
REFCLK-
REFCLK+
GND
No use
No use
GND
PE_RXN4
PE_RXP4
Pin
42
44
46
48
50
52
28
30
32
34
36
38
40
20
22
24
26
12
14
16
18
2
4
6
8
10
Signal
+3.3VSB
GND
+1.5V
No use
No use
No use
No use
No use
GND
+3.3VSB
PERST#
+3.3VSB
GND
+1.5V
SMB_CLK
SMB_DATA
GND
USB_D3-
USB_D3+
GND
LED_WW AN#
LED_W LAN#
LED_W PAN#
+1.5V
GND
+3.3VSB
A mini PCIe card can be applied to either PCIe or USB 2.0. The USB 2.0 function will be helpful during the transition to PCIe, because peripheral vendors will need time to design their chipsets to have the PCe function. During the transition, Mini PCIe cards can be quickly implemented by using USB 2.0.
16 Connector
tBOX100-838-FL Series U ser’s Manual
CHAPTER 4
AMI BIOS SETUP UTILITY
This chapter provides users with detailed description about how to set up basic system configuration through the AMI BIOS setup utility.
4.1 Starting
To enter the setup screens, follow the steps below:
1. Turn on the computer and press the <Del> key immediately.
2. After pressing the <Delete> key, the main BIOS setup menu displays. You can access to other setup screens from the main BIOS setup menu, such as the Chipset and Power menus.
AMI BIOS Setup Utility 17
tBOX100-838-FL Series U ser’s Manual
4.2 Navigation Keys
The BIOS setup/utility uses a key-based navigation system called hot keys. Most of the BIOS setup utility hot keys can be used at any time during the setup navigation process.
These keys include <F1>, <F10>, <Enter>, <ESC>, <Arrow> keys, and so on.
NOTE: Some of navigation keys differ from one screen to another.
Hot Keys Description
Left/Right The Left and Right <Arrow> keys allow you to select a setup screen.
Up/Down
The Up and Down <Arrow> keys allow you to select a setup screen or subscreen.
+
Plus/Minus
The Plus and Minus <Arrow> keys allow you to change the field value of a particular setup item.
Tab The <Tab> key allows you to select setup fields.
F1
F10
Esc
Enter
The <F1> key allows you to display the General Help screen.
The <F10> key allows you to save any changes you have made and exit Setup.
Press the <F10> key to save your changes.
The <ESC> key allows you to discard any changes you have made and exit the
Setup. Press the
<ESC> key to exit the setup without saving your changes.
The <Enter> key allows you to display or change the setup option listed for a particular setup item. The <Enter> key can also allow you to display the setup sub- screens.
18 AMI BIOS Setup Utility
4.3 Main Menu
tBOX100-838-FL Series U ser’s Manual
System Time/Date
You may change the system time and date by this option. Highlight System Time or System
Date using the <Arrow> keys. Enter new values through the keyboard. Press the <Tab> key or the <Arrow> keys to move between fields. The date must be entered in MM/DD/YY format.
The time is entered in HH:MM:SS format.
AMI BIOS Setup Utility 19
tBOX100-838-FL Series U ser’s Manual
4.4 Advanced Menu
The Advanced menu allows users to set configuration of the CPU and other system devices. You can select any of the items in the left frame of the screen to go to the sub menus:
► NCT6106D Super IO Configuration
► NCT6106D H/W Monitor
► Serial Port Console Redirection
► CPU Configuration
► IDE Configuration
► Utility Configuration
For items marked with “ ”, please press <Enter> for more options.
20 AMI BIOS Setup Utility
tBOX100-838-FL Series U ser’s Manual
NCT6106D Super IO Configuration
You may set settings for Super IO configuration by this option, and change the value of the selected option
AMI BIOS Setup Utility 21
tBOX100-838-FL Series U ser’s Manual
Serial Port 1 configuration
You may enable or disable serial port by this setting.
22 AMI BIOS Setup Utility
NCT6106D H/W Monitor
This screen shows the Hardware Health Configuration. tBOX100-838-FL Series U ser’s Manual
AMI BIOS Setup Utility 23
tBOX100-838-FL Series U ser’s Manual
Console Redirectino Settings:
You may apply different serial port options in this item..
24 AMI BIOS Setup Utility
CPU Configuration
This screen shows the CPU Configuration. tBOX100-838-FL Series U ser’s Manual
AMI BIOS Setup Utility 25
tBOX100-838-FL Series U ser’s Manual
IDE Configuration
You may select SATA configuration by this seeeting.
26 AMI BIOS Setup Utility
tBOX100-838-FL Series U ser’s Manual
4.5 Chipset Menu
The Chipset menu allows users to change the advanc ed chipset settings.
AMI BIOS Setup Utility 27
tBOX100-838-FL Series U ser’s Manual
USB Configuration
This screen shows O/S configuration support
28 AMI BIOS Setup Utility
tBOX100-838-FL Series U ser’s Manual
4.6 Security Menu
The Security menu allows users to change the security settings for the system.
Administrator Password
This item indicates whether a supervisor password has been set. If the password has been installed, 『 Installed 』 displays. If not, 『 Not Installed 』 displays.
User Password
This item indicates whether a user password has been set. If the password has been installed,
『 Installed 』 displays. If not, 『 Not Installed 』 displays.
AMI BIOS Setup Utility 29
tBOX100-838-FL Series U ser’s Manual
4.7 Boot Menu
The Boot menu allows users to change boot options of the system. You can select any of the items in the left frame of the screen to go to the s ub menus:
Setup Prompt Timeout
Set the Timeout for wait press key to enter Setup Menu
Bootup NumLock State
You may set NumLock on/off while power on, default setting is on.
Quiet Boot
You may set Quite Boot state is enable or disable, default setting is off.
Boot Option Priorities
Specifies the overall boot order from the available devices.
30 AMI BIOS Setup Utility
tBOX100-838-FL Series U ser’s Manual
4.8 Save & Exit Menu
The Exit menu allows users to load the system configuration with optimal or failsafe default values.
Save Changes and Reset
When you have completed the system configuration changes, select this option to leave
Setup and reboot the computer so the new system configuration parameters can take effect.
Select Save Changes and Exit from the Exit menu and press <Enter>. Select Ok to save changes and exit.
Discard Changes and Reset
Select this option to quit Setup without making any permanent changes to the system configuration. Select Discard Changes and Exit from the Exit menu and press <Enter>. Select
Ok to discard changes and exit.
Discard Changes
Use this item to abandon all changes.
Restore Defaults
It automatically sets all Setup options to a complete set of default settings when you select this option. The Optimal settings are designed for maximum system performance, but may not work best for all computer applications. In particular, do not use the Optimal Setup options if your computer is experiencing system configuration problems. Select Load Optimal Defaults from the Exit menu and press <Enter>.
AMI BIOS Setup Utility 31
tBOX100-838-FL Series U ser’s Manual
Restore user Defaults
It automatically sets all Setup options to a complete set of default settings when you select this option. The Fail-Safe settings are designed for maximum system stability, but not maximum performance. Select the Fail-Safe Setup options if your computer is experiencing system configuration problems.
Select Load Fail-Safe Defaults from the Exit menu and press <Enter>. Select Ok to load Fail-
Safe defaults.
32 AMI BIOS Setup Utility
tBOX100-838-FL Series U ser’s Manual
APPENDIX A
WATCHDOG TIMER
What is Watchdog Timer
The integrated Watchdog Timer can be set up by programming. There are 0~255 levels available. As long as the vaule of timer is set, after enabling, the countdown of the value is starting. It needs to reset or disable watchdog, otherwise auto-reset will be running when the value is counted to 0.
How to Use the Watchdog Timer
(Following is example to enable configuration by using debug tool)
Enable WDT
1.Enable configuration
-O 2E 87
-O 2E 87
2. Select Logic device:
-O 2E 07
-O 2F 08
3. WDT Device Enable
-O 2E 30
-O 2F 01
4. Set timer unit
-O 2E F0
-O 2F 00
(00: Sec; 08: Minute)
5. Set base timer:
-O 2E F1
-O 2F 0A
Set Reset Time (Ex.0A:10 Sec)
Disable WDT
1.Enable configuration
-O 2E 87
-O 2E 87
2. Select Logic device:
-O 2E 07
-O 2F 08
3. WDT Device Disable
-O 2E 30
-O 2F 00
Watchdog Timer 33
tBOX100-838-FL Series U ser’s Manual
Sample of Watchdog application
Assume there is program A which needs to maintain running in a system. The value of
Watchdog Timer must be set bigger than the running time of program A. Then, after the running time of program A is finished, either to disable or to reset watchdog timer.
When program A has problems to make system shut down, the system can be rebooted by
Watchdog timer when the value of watchdog timer is countdowned to 0.
The below flowchart can be referred to edit program A
34 Watchdog Timer
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