Hitachi CE50-10 User manual

Hitachi Industrial Edge Computer
CE50-10 Instruction Manual
CC-65-0171

■ Product covered by this manual
CE50-10 (Operating system: Ubuntu 18.04 LTS (Linux kernel 4.15))
■ Export restrictions
If you export this product, please check all restrictions (for example, Japan's Foreign Exchange and Foreign Trade Law, and USA export
control laws and regulations), and carry out all required procedures.
If you require more information or clarification, please contact your Hitachi sales representative.
■ Trademarks
HITACHI is a registered trademark of Hitachi, Ltd.
Intel and Intel ATOM are trademarks of Intel Corporation or its subsidiaries in the U.S. and/or other countries.
Linux(R) is the registered trademark of Linus Torvalds in the U.S. and other countries.
Ubuntu and Canonical are registered trademarks of Canonical Ltd.
Other company and product names mentioned in this document may be the trademarks of their respective owners.
■ Software
This product contains some open source software to perform its functions. The property rights, copyrights, and other intellectual property
rights of the open source software belong to the author, and can be used under the conditions stated in the bundled license. For details, see the
following file in this product:
/hitachi/licenses/copyright.txt
For open source software whose license specifies that the source code is to be provided, Hitachi will provide the source code of the open
source software. Contact your Hitachi sales representative or distributor if you require such source code. Hitachi assumes no liability,
including liability for damages, for open source software and its use.
This does not mean that Hitachi disclaims product liability for this unit.
■ Precautions
All contents of this manual are protected by copyright. No part of this manual may be reproduced in any form or by any means without
permission in writing from the publisher. Information in this manual is subject to change without notice.
Read this manual carefully and keep it. Before using the unit, make sure that you thoroughly read and understand all the safety instructions.
Keep this manual in a place where it can be readily accessed as necessary.
■ Issued
July 2020: CC-65-0171
December 2020: CC-65-0171
May 2021: CC-65-0171
■ Copyright
All Rights Reserved. Copyright (C) 2020, 2021, Hitachi, Ltd.

Preface
If the manual says contact us, please contact your Hitachi sales representative, distributor or customer support
■ Intended readers
This manual is intended for users involved in system planning, system design, installation, configuration, operation and
maintenance of the Hitachi Industrial Edge Computer CE50-10 (referred to as unit or this unit hereinafter).
■ Organization of this manual
This manual is organized into the following chapters and appendixes:
1. Installing the CE50-10
This chapter describes installation of the unit and connection with the power supply.
2. CE50-10 Names and Functions of Parts
This chapter describes the name of each part.
3. Operating the Power Supply of the CE50-10
This chapter describes operating the power supply and provides important information.
4. External Contact Functions
This chapter describes the external contact function.
5. Configuring Software Environment
This chapter describes OS settings, and development and registration of application programs.
6. Managing User Accounts
This chapter describes management for user accounts.
7. Maintaining the CE50-10
This chapter describes maintenance.
8. Troubleshooting
This chapter describes troubleshooting.
A. Unit Specifications
This appendix describes the unit specifications.
B. External Interface
This appendix describes the external interface specifications.
C. Real-time Clock Specifications
This appendix describes the clock specifications.
D. Connector Specifications
This appendix describes the connector specifications.
E. Error Messages
This appendix describes error messages output from programs.
F. Option Functions for Application Programs
This appendix describes option functions relating to development and installation of application programs.
G. Library Interface Reference
This appendix describes the library interfaces.
H. Security Specifications
This appendix describes log capacities and the security functions.
I

I. Communication Sheet
This appendix describes the communication sheet.
■ Note on storage capacity calculations
Information such as memory capacities, memory requirements, file sizes, and storage requirements are calculated by using the
formula 2n. The following shows the results of such calculations by 2n:
1 KB (kilobyte) is 1,024 bytes.
1 MB (megabyte) is 1,048,576 bytes.
1 GB (gigabyte) is 1,073,741,824 bytes.
1 TB (terabyte) is 1,099,511,627,776 bytes.
Information such as disk capacities and network transmission rate are calculated by using the formula 10n as follows:
1 KB (kilobyte) is 1,000 bytes.
1 MB (megabyte) is 1,0002 bytes.
1 GB (gigabyte) is 1,0003 bytes.
1 TB (terabyte) is 1,0004 bytes.
Safety precautions are provided in the following headline, which consists of a safety warning symbol and the string DANGER,
WARNING, CAUTION, or Notice.
The headword Note is used to indicate precautions on handling and operating the unit.
•Pay special attention to and observe all precautions indicated on this product, in this manual and related documents.
Failure to do so could result in physical injury, or damage to property including this product.
•Do not perform any operations or take any actions that are not described in this manual and related documents. If there is
a problem with the unit not covered in this manual or related documents, please contact Hitachi or your distributor for
assistance. The precautions indicated on the unit and in the manual have been carefully prepared considering your safety,
Preface
II

there is a possibility of unpredictable hazard. Use your own discretion at all times when using this product, in addition to
following the instructions.
■ Safety guidelines
Before using the unit, carefully read the following safety guideline:
•Each operation you perform must comply with all applicable instructions or procedures in this manual.
■ Warning: Electric shock hazard and fire hazard
•Insufficient grounding might cause electric shock during operation or maintenance inspection of the unit. Make sure that
sufficient grounding is provided when installing the unit.
•Condensation might cause a short-circuit fire during operation of the unit. Make sure that no condensation is present.
•Subjecting the unit to physical impact during use might cause a short-circuit fire. Avoid impacting the unit in any way.
•If you see smoke or smell an unusual odor, stop the supply of power to the unit, unplug the power cable from the outlet,
and then contact the sales branch or us. Using the damaged unit might cause a fire or electric shock.
•Do not modify the unit. Modification might cause a fire or electric shock. Hitachi shall not be responsible for any
consequences resulting from modification of the unit.
•Do not use a multi-outlet extension cord. Use of such a cord might subject it to excessive current, which might cause
overheating and fire.
•Do not insert or remove a power cable plug with wet or perspiring hands as doing so might cause electric shock.
•Firmly insert the power cable plug all the way to the base. A power cable plug that is inserted incompletely might cause
heat generation due to poor contact. Dust accumulation and substances such as water droplets on the cable plug might
cause overheating and fire.
Handling of power cables
Do not use a power cable other than that supplied with the unit.
If an insufficiently rated power cable is used, it might overheat due to excessive current, which might cause fire.
Observe the following to prevent electric shock or fire due to damage to the power cable:
- Do not pull the cable.
- Dot not snag the cable in anything.
- Do not bend the cable.
- Do not expose the cable to chemical substances.
- Do not twist the cable.
- Do not place anything on the cable.
- Do not bundle the cable with other cables.
- Do not fix the cable with a stapler or the like.
- Do not use a damaged cable.
•To remove a cable, hold the connector and then pull it out straight. Pulling the cable or applying excessive force on the
connector might damage the cable and cause fire or electric shock.
•Use the I/O port only for interfaces of a suitable voltage and current rating. If overvoltage or overcurrent is applied, the
part is damaged and might cause fire or failure.
■ Other Warnings
•This unit is not intended for use in facilities or with equipment where human life or other extreme liability is involved or
for the purpose of controlling such equipment. Examples of such facilities and equipment are medical equipment, nuclear
power facility or equipment, aviation or space equipment, and transportation facilities and equipment. Hitachi shall not be
liable for any accidents resulting in injury or death or property damage arising from the use of this unit in such facilities or
with such equipment or control systems.
Preface
III

•Do not use the unit as a footstool or bookend, or for any purpose other than its original application. The unit might be
damaged or might fall, causing injury or failure.
•Configure an emergency stop circuit or interlock circuit outside the product. Failure of this product might damage the
devices connected to it or cause an accident.
■ Caution against falls
•To avoid injury, be careful not to drop or topple the unit during transport or disposal.
■ Caution against burn injury
•Note that the unit becomes hot during use. The unit with a failure might generate heat. Avoid direct contact with your
skin. Parts within the unit are very hot immediately after the power supply to the unit is turned off. Before handling the
unit, make sure that the parts have sufficiently cooled.
■ Other cautions
•Be careful not to injure your fingers when unpacking or transporting the unit.
■ Notice
•When mounting or replacing hardware, wear a grounding band and take antistatic measures.
•When tightening or removing screws, use the tool appropriate for the size and type of screw head. Be careful not to
damage the screw head. To prevent screw threads being damaged, tighten screws squarely into their holes. Do not apply
excessive force during tightening.
•Avoid using this unit in a place that is dusty, humid, or exposed to corrosive gas. Use in such places might cause damage
or fire.
•Do not subject the unit to impact during unpacking or transport. Doing so might cause damage.
•Allow sufficient space for ventilation in the front and rear of the unit. If ventilation is obstructed, overheating might cause
failure or shorten the service life.
•This unit uses a lithium battery. To dispose of the unit, contact the Hitachi maintenance company. If you dispose of it by
yourself, follow the rules or regulations of the local authority.
•When disposing of the unit, you are obliged to issue a manifest for industrial waste. For details, contact the industrial
waste association of the relevant prefecture. The manifest form is available from the Japan Industrial Waste Information
Center.
■ WARNING indicated in this manual
•Insulation failure or electric leakage might cause an electric shock. When using the unit, make sure that the unit is
grounded. (See pages VII and 3.)
•Do not modify or disassemble the unit. Failure to heed this warning might cause a fire or electric shock, or might damage
the unit. (See page 2.)
•Use the power cable that comes with the unit. Using any other cable might cause equipment failure, fire, or electric shock.
If this unit is to be used with a voltage over 125 V AC, prepare a suitable power cable and verify proper operation of the
cable before use. (See page 2.)
•The outlet to which this unit is connected must have a ground terminal (ground pole). You must also install an electrical
leakage breaker. Failure to take these measures might cause fire and electric shock. (See page 2.)
•Do not use a two-pole plug without a ground pole. Doing so might cause electric shock or equipment failure. (See page 2.)
•If you notice smoke or an unusual odor, turn off the main power switch (MAIN POWER). If you contracted maintenance
services, contact the sales branch or maintenance personnel. Using the damaged unit might cause fire or electric shock.
(See page 21).
Preface
IV

•If you cannot immediately turn off the main power switch (MAIN POWER) because the unit is installed in a rack, stop the
power at the power supply source. (See page 21).
•If there is smoke or an unusual odor, unplug the power cable plug from the outlet, and then contact us. Using the damaged
unit might cause a fire or electric shock. (See page 144.)
■ CAUTION indicated in this manual
•Storing the unit in a hot location might cause it to become excessively hot. In this case, do not touch the unit with bare
hands. (See page 3.)
•For the LAN port IP address of the development unit, specify the same IP address as the network address of the LAN port
connected to the unit that is to be set up. Make sure that the IP address of the development unit differs from that of the unit
that is to be set up. If these units have the same IP address, the following error message appears. KXDL010-W
Ethernet adapter(interface-name) Duplicate IP address. (See page 42.)
•Do not disassemble the unit during inspection or cleaning. The unit has a sealed structure and does not require internal
inspection or cleaning. When the cover is removed, do not touch internal parts, as doing so might cause a burn injury,
damage to internal parts, or unit failure. (See page 139.)
•This unit uses a lithium battery. When replacing the battery, you must use the one specified by Hitachi. Using any other
battery might cause an explosion, fire, rupture, heat generation, leakage, or gas generation. (See page 140.)
■ Notice indicated in this manual
•Before moving the unit, shut down the OS, turn off the MAIN POWER switch (MAIN POWER), and then remove the
power cable plug from the outlet. Not following this procedure might result in unit failure. (See pages 3 and 139.)
•When carrying or transporting the unit, use the packing materials in which the unit was packaged for delivery. (See pages
3 and 139.)
•When carrying or transporting the unit, it is recommended that you use the packing materials in which the unit was
packaged for delivery. If such packing materials are not available or are damaged, carefully pack the unit in a way that
protects it from shock, vibration, and electrostatic discharges. (See pages 3 and 139.)
•Moving or transporting a unit that is installed in a cubicle or rack with casters might subject it to excessive vibration or
physical impact, resulting in failure of the unit. Select or design a cubicle or rack that meets the installation conditions.
Similarly, make sure that the unit is not subject to vibration or physical impact when you move, carry, or transport it. (See
pages 3 and 139.)
•Do not stack units or install a display on the units as excessive heat might radiate from the top of the unit. (See page 4.)
•Prevent heat accumulation around the unit to ensure that ambient temperature requirements are met. (See page 4.)
•Do not lay the power cable close to signal cables, as such a cable layout might cause equipment failure or malfunctions.
(See page 8.)
•Application programs do not operate in maintenance mode. After maintenance work is finished, you must return the mode
to normal mode. (See page 73.)
•Do not hot swap USB equipment or cables with the unit. Hot swapping might cause the unit to malfunction or stop. (See
page 139.)
•Table 7‒5: Periodic inspection items shows periodic inspection items. Hitachi is responsible for performing periodic
inspections under a maintenance contract. Only Hitachi staff and officially-trained personnel are permitted to perform
periodic inspections. (See page 139.)
•Do not use life-limited parts beyond their recommended replacement cycle. Deteriorated parts might cause damage. (See
page 140.)
■ Warning indications on the product
The warning labels are attached in the following locations of the unit.
Preface
V

■ Indication based on EU Battery Directive (2006/66/EC)
This symbol mark is valid in EU countries.
This symbol mark is defined in the EU Directive 2006/66/EC, Article 20 Information for end-users and Annex II.
The European Union has separate collection systems for used batteries and accumulators. Dispose of batteries and
accumulators correctly at your local community waste collection/recycling center.
■ Before use
This manual describes basic operations and maintenance of the CE50-10.
For details about the specification of the unit, see A.1 Unit specifications
Descriptions of OS operation and software on systems without an OS are not provided in this manual.
Roles of operators
For a long and stable use of this unit, consider the following:
Considerations for characteristics of the unit
Perform periodical cleaning, maintenance, and inspection of the unit.
Periodically remove dust from around the unit (especially the bottom of the unit) and from grooves of the unit.
The basic principle for handling is to follow the precautions in this manual. Do not turn on and off the power supply
without due care.
For details about handling and maintenance, see the relevant chapter.
Integrity of the unit
Note the following to ensure integrity of the unit:
Grounding
Preface
VI

Type-D grounding (formerly type 3 grounding) is required to prevent electric shock, to maintain normal operation of
electronic circuits containing LSI, and to protect the unit from abnormal voltage due to lightening surge.
Turning off the power supply
Turn off the main power switch on the front of this unit. (See 3.3 Turning off the power to the CE50-10.
WARNING: Insulation failure or electric leakage might cause an electric shock. When using the unit, make sure that
the unit is grounded.
■ Regulations and countermeasures
Voluntary control of radio wave interference
This is a Class A product based on the standard of the Voluntary Control Council for Interference (VCCI). If this
equipment is used in a domestic environment, radio interference may occur, in which case the user may be required to take
corrective actions.
Countermeasures against instantaneous voltage drop in power supply
A defect might occur in this unit in the event of an instantaneous voltage drop in the power supply due to lightening. As
the countermeasures against instantaneous voltage drop of power supply, we recommend that you use an uninterruptible
AC power supply unit.
Preface
VII

Contents
1
Installing the CE50-10 1
1.1 Prerequisites 2
1.1.1 Rated power supply 2
1.1.2 Installation of the unit 2
1.2 Installation conditions 4
1.2.1 Installation spacing 4
1.2.2 Installation position 4
1.2.3 Attaching the mounting brackets 5
1.3 Connection to the power supply 8
2 CE50-10 Names and Functions of Parts 11
2.1 Indicators and controls on the unit 12
2.1.1 POWER switch 12
2.1.2 Reset switch (RESET) 12
2.1.3 Test mode switch (AUTO, TEST) 12
2.1.4 LAN connectors (LAN0, LAN1, LAN2) 13
2.1.5 Main power switch (MAIN POWER) 13
2.1.6 RAS indicator (AP, E3, E2, E1) 13
2.1.7 Power lamp (POWER) 13
2.1.8 STATUS lamp (STATUS) 14
2.1.9 Drive lamp (DRIVE) 14
2.1.10 TEST STATUS lamp (TEST) 14
2.1.11 LAN SPEED lamp (LAN0, LAN1, or LAN2) 14
2.1.12 LAN LINK/ACT lamp (LAN0, LAN1, or LAN2) 15
2.1.13 DisplayPort connectors (DISPLAY1 and DISPLAY2) 15
2.1.14 External Contact connector (EXT) 15
2.1.15 USB 3.0 ports (USB1 and USB2) 15
2.2 Security slot 16
3 Operating the Power Supply of the CE50-10 17
3.1 Precautions 18
3.1.1 Before turning on the power 18
3.2 Turning on the power to the CE50-10 19
3.2.1 Starting the unit 19
3.3 Turning off the power to the CE50-10 20
3.3.1 Stopping the unit 20
3.3.2 Turning off the power to the CE50-10 20
i

3.4 Stopping the CE50-10 in the case of an emergency 21
4 External Contact Functions 23
4.1 PSDOWN (EXT) 24
4.1.1 Signal name 24
4.1.2 Description 24
4.1.3 Specifications 24
4.1.4 Terminal number 24
4.1.5 Connection diagram 24
4.2 DO (EXT) 25
4.2.1 Signal name 25
4.2.2 Description 25
4.2.3 Specifications 25
4.2.4 Terminal number 25
4.2.5 Connection diagram 26
4.3 DI (EXT) 27
4.3.1 Signal name 27
4.3.2 Description 27
4.3.3 Specifications 27
4.3.4 Terminal number 27
4.3.5 Connection diagram 27
5
Configuring Software Environment 29
5.1 Constructing the setup environment 30
5.2 Logging in to the unit after powering it on for the first time 31
5.3 Using the desktop 32
5.3.1 Starting the desktop 32
5.3.2 Stopping the desktop 34
5.3.3 Hiding the desktop icons 34
5.4 Setting up the display 37
5.4.1 Setting the display resolution 37
5.4.2 Setting up dual displays 38
5.5 Specifying IP address and IPv6 network 41
5.5.1 Configuring the network 41
5.5.2 IP multicast 42
5.5.3 Using IPv6 43
5.6 Configuring a tagged VLAN 45
5.6.1 Configuring the network definition file 45
5.6.2 Starting or stopping the tagged VLAN 45
5.7 Configuring NIC bonding 47
5.7.1 Configuring the network definition file 47
Contents
ii

5.7.2 Bonding operation modes 47
5.8 Setting the time function 49
5.8.1 Setting the NTP client function 49
5.8.2 Setting the time zone for the OS time 49
5.9 Changing the operation to be performed in the case of a disk fault 51
5.10 Developing application programs 52
5.10.1 Development environment hardware configurations 52
5.10.2 Supported functions 53
5.10.3 Provided files 53
5.10.4 Note about SSD life 54
5.11 Registering application programs 55
5.11.1 Environment for registering application programs 55
5.11.2 Application program registration procedure 55
5.11.3 Setting up the user area 56
5.11.4 Setting start and stop of application programs 61
5.12 Setting the security functions 64
5.12.1 Setting login policies 64
5.12.2 Setting password policies 65
5.12.3 Setting up a firewall 68
5.13 Setting host names 72
5.14 Changing OS operation mode 73
5.14.1 What is the OS operation mode? 73
5.14.2 How to change the OS operation mode 73
5.14.3 Changing normal mode to maintenance mode 73
5.14.4 Changing maintenance mode to normal mode 74
5.15 Backup, restoration, and program updates 76
5.15.1 Device configuration when using each function 76
5.15.2 Creating and formatting partitions in the external media 78
5.15.3 Backing up storage data 79
5.15.4 Restoring backup data 85
5.15.5 Updating the OS 91
5.16 Watchdog timer 102
5.16.1 swdt.conf definition file 103
5.17 Checking the CPU usage ratio 104
5.18 Command reference 105
5.18.1 ecmodeset 105
5.18.2 showecmode 106
5.18.3 ecbackup 107
5.18.4 ecrestore 110
5.18.5 ecosupdate 113
5.18.6 rxosenable 114
Contents
iii

5.18.7 rxversion 116
5.18.8 disklchk 117
5.18.9 fsconfchk 118
5.18.10 showkxmessage 119
5.18.11 eclogsave 120
5.18.12 rasledctl 121
5.18.13 wdtctl 122
5.18.14 wdtstat 122
5.18.15 force_restart 123
5.18.16 swdt_start 123
5.18.17 swdt_stop 124
5.18.18 swdt_stat 124
5.18.19 usbctl 125
6 Managing User Accounts 127
6.1 Adding a user account 128
6.2 Deleting a user account 129
6.3 Changing the password of a user 130
6.4 Managing privileges for sudo command execution 131
6.4.1 Checking the existence of the privilege for sudo command execution 131
6.4.2 Adding the privilege for sudo command execution 131
6.4.3 Deleting the privilege for sudo command execution 131
7 Maintaining the CE50-10 133
7.1 BIOS settings 134
7.2 Daily user maintenance items 138
7.3 Periodic inspection items 139
7.4 Life-limited parts 140
8
Troubleshooting 141
8.1 Troubleshooting flow chart 142
8.1.1 Smoke or unusual odor 143
8.1.2 POWER lamp (POWER) does not light by turning on the power 144
8.1.3 POWER lamp (POWER) is lit red after the power is turned on 144
8.1.4 POWER lamp (POWER) is lit green but the STATUS lamp (STATUS) is off after the power is turned on 144
8.1.5 STATUS lamp (STATUS) is lit red after the power is turned on 144
8.1.6 RAS indicator (E1, E2, or E3) is lit red after the power is turned on 144
8.1.7 STATUS lamp (STATUS) changes from lit green to lit red, and the unit stops 144
8.1.8 DRIVE lamp (DRIVE) is lit red 144
8.1.9 TEST STATUS lamp (TEST) is lit green or red 145
Contents
iv

8.1.10 RAS indicator (AP) is lit red after the power is turned on 145
8.1.11 Unable to connect to the network 145
8.1.12 Unit frequently disconnected from network or slow communication speed 145
8.1.13 Unit rebooted abruptly 145
8.1.14 Cannot turn off the power to the unit 146
8.2 Collecting maintenance information 147
8.2.1 Collecting maintenance information in configuration No. 1 147
8.2.2 Collecting maintenance information in configuration No. 2 148
8.2.3 Collecting maintenance information in configuration No. 3 150
Appendixes 153
A. Unit Specifications 154
A.1 Unit specifications 154
A.2 Operating environmental conditions 155
A.3 Optional parts 156
A.4 List of spec numbers 156
B. External Interface 158
B.1 Cable length specification for external interface 158
B.2 Current specifications for the USB 3.0 port and DisplayPort 158
C. Real-time Clock Specifications 159
D. Connector Specifications 160
D.1 USB 3.0 connector (USB3.0-1, USB3.0-2 ports) 160
D.2 LAN (RJ-45 8-pin) connector 160
D.3 DisplayPort connector (20-pin, male connector) 161
D.4 External contact (EXT) connector (D-sub25-pin, inch screw thread, male connector) 161
E. Error Messages 163
E.1 Error messages at unit startup 163
E.2 LAN error messages 163
E.3 SoC (System-on-a-chip) temperature error messages 165
E.4 Resource shortage error messages 165
E.5 I/O board error messages 166
F. Option Functions for Application Programs 167
F.1 Container function (Docker) 167
F.2 OPC-UA client function 169
G. Library Interface Reference 170
G.1 rasledctl (lighting control of the RAS indicator AP lamp) 170
G.2 didoctl (DIDO input/output operation) 171
G.3 force_restart (forced CPU restart) 173
G.4 usbctl (USB device connection/disconnection operation) 173
H. Security Specifications 176
Contents
v

H.1 List of log capacities 176
H.2 Updating the encryption algorithm 176
I. Communication Sheet 178
Contents
vi

1
Installing the CE50-10
This chapter describes installation of the CE50-10 and connection with the power
supply.
1

1.1 Prerequisites
To ensure long service life of the unit without impairing its functions, appropriate environment and handling are
required.
WARNING
Do not modify or disassemble the unit. Failure to heed this warning might cause a fire or electric shock, or might
damage the unit.
Do not install the unit in any of the following places. Doing so might damage the unit or shorten its service life:
•A place exposed to direct sunlight
Example: Near a window
•A place subject to extreme changes of temperature or humidity
Example: Near an air conditioner
•A place subject to electrical noise
Example: Near a motor, generator, or air ionizer
•A place subject to strong magnetic fields
Example: Near a magnet
•A place subject to excessive dust
•A place subject to frequent vibration
•A place subject to corrosive gas
•A place subject to sound-induced vibration
Example: Near large buzzers or alarms
•A place subject to corrosive salt particles
Example: Outdoors near the seashore
1.1.1 Rated power supply
Table 1‒1: Input power supply voltage shows the input power supply voltage available for this unit.
Table 1‒1: Input power supply voltage
Input power supply voltage
AC100V to AC240V +10%, -10%
1.1.2 Installation of the unit
WARNING
•Use the power cable that comes with the unit. Using any other cable might cause equipment failure, fire, or
electric shock. If this unit is to be used with a voltage over 125 V AC, prepare a suitable power cable and verify
proper operation of the cable before use.
•The outlet to which this unit is connected must have a ground terminal (ground pole). You must also install an
earth leakage circuit breaker.
Failure to take these measures might cause fire and electric shock.
•Do not use a two-pole plug without a ground pole. Doing so might cause electric shock or equipment failure.
CAUTION
1. Installing the CE50-10
2

•Storing the unit in a hot location might cause it to become very hot. In this case, do not touch the unit with bare
hands.
NOTICE
•Before moving the unit, shut down the OS, turn off the MAIN POWER switch (MAIN POWER), and then remove
the power cable plug from the outlet. Not following this procedure might result in unit failure.
•When carrying or transporting the unit, it is recommended that you use the packing materials in which the unit
was packaged for delivery.
•If the packing materials in which the unit was packaged for delivery are missing or damaged, package the unit
after taking antistatic measures. Also, make sure that the packaged unit is not subject to vibration or physical
impact that exceed specified limits.
•Moving or transporting a unit that is installed in a cubicle or rack with casters might subject it to excessive
vibration or physical impact, resulting in failure of the unit. Select or design a cubicle or rack that meets the
installation conditions. Similarly, make sure that the unit is not subject to vibration or physical impact when you
move, carry, or transport it.
Note
For notes on installation conditions, see 1.2 Installation conditions.
(1) Integrity of the unit
Note the following to ensure integrity of the unit:
(a) Grounding (earthing)
Secure and reliable earthing system is required to prevent electric shock, to maintain normal operation of electronic
circuits containing LSI, and to protect the unit from abnormal voltage due to lightening surge.
(b) Turning off the power supply
Turn off the power switch on the front of this unit. (See 2.1 Indicators and controls on the unit.)
WARNING
Insulation failure or electric leakage might cause an electric shock. When using the unit, make sure that the unit is
grounded.
1. Installing the CE50-10
3

1.2 Installation conditions
NOTICE
•As the heat is radiated from the top side of the unit, do not stack any other item on the top of the unit. For
example, do not piggyback multiple units on each other, and do not place display devices on top of the unit.
•Install the unit in places where environmental conditions of the product are met, and in a way that heat will not
accumulate around the unit.
1.2.1 Installation spacing
Secure spacing of at least 80 mm at the front of the unit, at least 50 mm at the rear, and at least 10 mm at the top.
Figure 1‒1: Installation and operation space
Multiple devices can be installed adjacent to each other, thereby sharing the side spacings, provided that you allow for
sufficient spacing at the top, ensure that all other installation conditions and precautions are satisfied, and allocate
sufficient operation space.
1.2.2 Installation position
You can install this unit on a desktop, in a 19-inch rack, or on the wall. The following describes the various installation
positions.
(1) Desktop installation
Horizontally install the unit on a desktop. Do not install it on a floor.
(2) 19-rack installation
Install the unit in a rack by using the mounting brackets attached to the unit. For details about how to attachmounting
brackets to the unit, see 1.2.3 Attaching the mounting brackets.
(3) Wall installation
You can install the unit in the following position on a suitably sturdy wall by using mounting brackets. For details
about how to attach the mounting brackets to the unit, see 1.2.3 Attaching the mounting brackets.
1. Installing the CE50-10
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