
OPUS A8
Operating Manual
Hardware Description

Versions
Example
OPUSA8EN1CANB000
OPUSA8 model
E E=ECO; S= Standard
N N=Neutral
1 1
st
Generation
CAN CAN=Projektor; CDS=CODESYS©; ISO=ISO-VT
B B=Basic; F= Full
000 customer specific identification
All product names cited in this operating manual are trademarks
or registered trademarks of the respective companies.
Operating Manual OPUS A8
Order number: OPUSBA00A8
Topcon Electronics GmbH & Co KG
Industriestraße 7, 65366 Geisenheim,
+49 6722 / 6722 4026-888
Supplements or a special operator manual may be required for
customer-specific devices.
Version 2.0, July 2017
All rights reserved, including translation.
No part of this operating manual may be reproduced, in any
form, (print, photocopy, microfilm, or a different process), nor
may it be processed, duplicated, or distributed using electronic
systems, without written permission from Topcon Electronics
GmbH & Co KG, Geisenheim.
All content is subject to change without notice. All previous
versions are rendered obsolete with publication of this manual.
All information contained herein is subject to correction,
manufacturer is not liable for any errors in this material.
Errors and technical changes excepted.

Table of content
Table of content
1 Preliminary Notes ............................................................................................... 1
1.1 Used Instructions Types ........................................................................................................1
2 Safety instructions, guarantee and liability ..................................................... 2
2.1 Common ..................................................................................................................................2
2.2 Qualified Personnel ................................................................................................................2
2.3 Power Supply ..........................................................................................................................3
2.4 Interventions in the device ....................................................................................................3
2.5 Safety Instructions for the OPUS A8 ....................................................................................4
3 Intended Use ....................................................................................................... 6
3.1 Example of Use .......................................................................................................................6
3.2 Device Description .................................................................................................................7
3.2.1 OPUS A8 ECO .....................................................................................................................7
3.3 Features Overview for OPUS A8 ........................................................................................ 11
3.4 Application Development ................................................................................................... 11
3.5 Development Kit .................................................................................................................. 12
4 Getting Started ................................................................................................. 15
4.1 Check the delivered parts ................................................................................................... 15
4.2 Mounting .............................................................................................................................. 15
4.3 Electrical installation OPUS A8 .......................................................................................... 17
4.3.1 Unused plugs ................................................................................................................... 19
4.3.2 Power Supply ................................................................................................................... 19
4.4 First steps ............................................................................................................................ 19
4.5 Cleaning/ service / maintenance ........................................................................................ 20
4.6 Disposal ................................................................................................................................ 20
5 Technical Documentation ................................................................................ 21
5.1 Dimensional Drawings - OPUS A8 STANDARD ............................................................... 22
5.2 Dimensional Drawings - OPUS A8 ECO ............................................................................ 23

Page IV
5.3 Specification ........................................................................................................................ 24
5.4 Environmental compatibility .............................................................................................. 25
5.4.1 CE-Compliance ................................................................................................................ 25
5.4.2 Protection Level (IP Code) .............................................................................................. 25
5.4.3 Electrical Capability ........................................................................................................ 25
5.4.4 Mechanical Capability ..................................................................................................... 25
5.4.5 Climate Capability ........................................................................................................... 25
5.4.6 Chemical Capability ........................................................................................................ 26
5.5 Declaration of Conformity .................................................................................................. 27
5.5.1 Declaration of Conformity for OPUS A8 ........................................................................ 27

Preliminary Notes
Page 1 of 26
1 Preliminary Notes
This document is valid for the following OPUS A8 version:
• OPUSA8E - “ECO”
• OPUSA8S - “STANDARD”
This document is directed to the qualified personnel and contains all the important
information to the correct use of the OPUS A8.
Please read this document before the first use and keep it during the operation.
In order to provide a better overview, this operating manual cannot present all details
for handling the OPUS A8 in all conceivable application cases. Neither can all
conceivable methods of setting up the device, operating the device, and servicing the
device be discussed in this manual. In case more information or support is required
please contact manufacturer technical support department.
1.1 Used Instructions Types
This operating manual contains instructions that must be complied with for your
personal safety and in order to avoid damage to property.
The instructions are presented as follows listed by degree of hazard:
Hazard!
Very Important information
Malfunction or Failure possible if non-compliance
Caution!
Severe bodily injury or property damage can occur if the
respective precautionary measures are not taken
Note
Additional information about the product, the handling of the
product or the respective part of the operating manual to which
particular attention should be paid.

Safety instructions, guarantee and liability
Page 2
2 Safety instructions, guarantee and liability
2.1 Common
Read this operating manual before commissioning the OPUS A8. Keep this operating
manual where it is accessible to all users at anytime. Every person who is assigned
to commission or operate the OPUS A8 must have read and understood the
operating manual and the safety instructions in particular!
This operating manual contains instructions that must be complied with for your
personal safety and in order to avoid damage to property. Failure to follow these
safety instructions could result in fire, electric shock, or other injury or damage to
OPUS A8 or other property.
2.2 Qualified Personnel
This operating manual is intended for technically qualified personnel, who have the
appropriate skills in the area of measurement, control, and regulating technology.
Precise knowledge of all safety instructions and warnings contained in this operating
manual, as well as problem-free technical implementation of these instructions and
warnings are the prerequisites for hazard-free installation, commissioning, safe
operation, and maintenance, of the operator panel. Consequently, it is strictly
required that all measures be performed by qualified personnel.
Qualified personnel, in accordance with the safety and warning instructions contained
in this operating manual are personnel, who
• are familiar with CANbus systems, related protocols and network designs that
fulfill all legal requirements of the intended application, so that they are able to
program the OPUS operator panel accordingly
• have gained knowledge of the programming related concepts by education or
trainings. Using the Projektor Tool a Projektor Tool training by Topcon needs
to be attended. Using CODESYS© a CODESYS©-training needs to be
attended, either held by Topcon or 3S.
• are familiar with the safety concepts of automation technology, either as
project design personnel
• or as operating personnel who have been instructed in how to handle the
automation technology, and who are familiar with the section of this manual
which deals with operation.
• or who, as commissioning, and service personnel have been trained to repair
this type of automation technology, or who are authorized to commission,
ground, and label electrical circuits and devices, or systems, in accordance
with technical safety standards.
All persons who are involved in project planning, installation and operating the OPUS
A8 must be familiar with automation technology safety concepts, and they must be
qualified in accordance with the guidelines listed above.

Safety instructions, guarantee and liability
Page 3
Serious bodily injury and property damage can occur in the event of unqualified
interventions in the device, or the system, or failure to heed the warning instructions
specified in this operating manual.
Consequently, only personnel who are appropriately qualified may undertake
interventions on this device, or on the associated system.
2.3 Power Supply
OPUS A8 is designed for 12 V and for 24 Volt battery systems. The operating voltage
range is 9-36 VDC, overvoltage resistance 48V for 2 minutes, inverse-polarity
protection up to -48 VDC for 5 minutes.
2.4 Interventions in the device
The OPUS A8 has been developed, manufactured, and tested in compliance with
applicable standards. When the handling guidelines and safety-related instructions
described here are complied with for project design, mounting, intended use, and
maintenance, normally the product poses no hazards relative to property damage or
to personal health. Nevertheless, the device can cause residual hazards if it is used
or operated improperly by personnel who have not been trained.
In case of malfunctions or lacks please get in contact with the manufacturer. Any
interventions in the device are able to cause serious interferences of the security for
people and machines. They are not allowed and lead to disclaimer of liability and
guarantee exclusion.
TOPCON is not liable for damage that occurs due to
improper misuse of the delivered components, or through
failure to heed the instructions in the operating manual,
including the safety instructions.
TOPCON is not liable for damage that occurs due to unintended
or intended changes of the TOPCON board support package or
any other parts of the operating system.
TOPCON is not liable for damage that occurs due to
improper programming and/or testing of the created
application that runs on the OPUS operator panels.

Safety instructions, guarantee and liability
Page 4
Moreover, we expressly declare that all obligations on the part of Topcon are
exclusively derived from the respective purchase contract, in which the guarantee is
conclusively stipulated.
2.5 Safety Instructions for the OPUS A8
Dangerous high-voltage
Never attempt to repair or modify OPUS A8 yourself.
Disassembling OPUS A8 may cause damage that is not covered
under the warranty and cause hazardous conditions by the
high-voltage components inside of the unit.
OPUS A8 does not contain any user-serviceable parts. Service
should only be provided by a Topcon Electronics GmbH & Co
KG.
Hazardous situations due to device failure
Do not use the OPUS A8 as the sole means of preventing
hazardous conditions on vehicles, machines and equipment.
Vehicles, machines and equipment must be constructed in such
a manner that defective conditions associated with the OPUS
A8 cannot cause a hazardous situation for operating personnel.
Ensure that incorrect inputs via the OPUS A8, its malfunction,
or its failure cannot lead to major property damage, or to a
hazard for operating personnel.
Missing safety devices if used improperly
Precautions for the safety of a system should not be rendered
inoperable through the use of the OPUS A8.
Emergency-Stop devices must remain effective in all operating
modes.
TOPCON is not liable for damage or malfunctions occurs using
pirated or illegal software on the OPUS operator panel.
TOPCON is not liable for injuries to third party licenses for the
contents used on OPUS panel by the end customer.

Safety instructions, guarantee and liability
Page 5
Unintentional operation
Operating states can be called due to unintentional operation of
the OPUS A8 that are not appropriate for the situation.
OPUS A8 devices should be installed in such a manner that the
possibility of unintentional operation is adequately excluded.
If a further usage of the OPUS A8 will cause danger, the device
and if necessary the system needs to be switched off and be
secured against unintented activation. This particularly applies:
• If the device shows visible signs of damage
• If the device is no longer functional
• If parts of the device are disconnected or loose
• if the connection lines show visible damage
Undefined operating states
Undefined operating states can cause personal injury or
property damage.
To prevent supply line and signal line interruptions from
causing undefined or hazardous operating conditions,
appropriate hardware and software safety precautions must be
maintained.
Supply lines and signal lines must be installed in such a
manner that noise (such as inductive or capacitive interference)
cannot impair OPUS A8 function.
Using Connectors and Ports:
Never force a connector into a port. Check for mechanical
obstructions on the port. If the connector and port don’t join
with reasonable ease, they probably do not match. Make sure
that the connector matches the port and that you have
positioned the connector correctly in relation to the port.

Technical Documentation
Page 6 of 26
3 Intended Use
The operator panel OPUS A8 is a programmable graphical display used to operate
and monitor vehicles and working machines.
The communication with other system components, as for example decentralised I/O
module, occurs over the CAN interfaces with the supported protocols: CANopen,
J1939 and CANfreestyle (layer 2).
For service purposes additional interfaces like Ethernet, RS232, USB and
analog/digital inputs/outputs (optional) are available. Together with Embedded Linux
operating system they form a universal platform for the communication with other
CAN devices, networks or PCs.
3.1 Example of Use
Control Unit 1
Controlling of the
actuation
Control Unit 2
Data logging from
sensors/switches
Control Unit 3
Controlling of
movement
Sensor 1
Sensor for
CAN-Bus
The operator panel OPUS A8 is not admitted for security-
relevant duties for personal protection purposes.
Vehicles, machines, and equipment surrounding the OPUS A8
must be combined in such a manner that the OPUS A8 will be
warmed up equally from all sides.
Increased warming of the OPUS from the back side may cause
temporary fogging of the front glass or touch screen.

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Page 7
3.2 Device Description
3.2.1 OPUS A8 ECO
Fig. 3.1: Front view of the OPUS A8 ECO
Display:
12.1” (1280 x 800 px) TFT color graphic LCD display with LED backlight and PCT
Light Sensor:
The light sensor can be used for an automatic adaption of display-backlight and key-
backlight to the ambient light intensity.
Status LEDs:
There are 3 different status LEDs available:
Multicolor LED:
Multicolor-LED is embedded in keypad and can be free programmable. This LED is
able to show PWM-controlled RGB colours, 16 bit each.
Display
Multicolor LED
Light sensor
green light will be on in operational mode
red programmable signal (optional)
yellow while transferring data via USB
Status LEDs

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Page 8
3.2.2 OPUS A8 STANDARD
Fig. 3.2: Front view of the OPUS A8 STANDARD Landscape
Display:
12.1” (1280 x 800 px) TFT color graphic LCD display with LED backlight and PCT
Softkeys F1 to F8:
All softkeys can be assigned to the function defined in the customer specific
application. Please see the Operational Manual of the application tools for more
information.
The Function Keys:
The function keys serve as global keys and do not change the function with a screen
change.
Using CODESYS© all these keys are free programmable.
Using Projektor Tool only STOP key is programmable. Three-arrow-key is per default
reserved for windows management, but could get programmed additional function.
Both other keys have fix function:
The Encoder:
Light sensor
Status LEDs
Encoder
Function Keys
USB Slot behind flap
ESC key is used to deselect the selected value, to
cancel the entered value or to acknowledge the raised
alarm
HOME key is used to change the display page to the
start page of the application
Multicolor LED
Softkeys F1 – F8
Display

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Page 9
Encoder is used for the navigation between the objects in customer specific
application. It is possible to select graphical objects on the screen and change their
value rotating the encoder. An entry function can be generated directly on rotating or
by pressing the encoder.
Light Sensor:
The light sensor can be used for an automatic adaption of display-backlight and key-
backlight to the ambient light intensity.
Status LEDs:
There are 3 different status LEDs available:
Multicolor LED:
Multicolor-LED is embedded in keypad and can be free programmable. This LED is
able to show PWM-controlled RGB colors, 16 bit each.
USB slot on the front on OPUS A8 STANDARD Full:
The high speed USB interface can be used for updating and data exchange.
Fig. 3.4: View on both OPUS A8 types backside
green light will be on in operational mode
red programmable signal (optional)
yellow while transferring data via USB
Main connector
Ethernet connector
Video connector

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Page 10
Main connector:
The following interfaces are available:
• Power supply and ignition input
• 2 x CAN-Interfaces according to ISO/DIS 11898
• RS232-Interface
• USB full speed
• 4 configurable analogue/digital inputs (optional), where input 1 work with
frequency 1-10 kHz and may also be used as frequency input, inputs 2-4
works with max signal frequency of 50Hz
• 3 digital outputs (option)
• Audio-Out (option)
Video:
This interface is used for the analog Video-Input including protected camera power
supply as well as a digital camera control output (open drain). There is 1 video
interface available on the basic option unit and 3 video interfaces available on the full
option unit.
Ethernet:
There is an Ethernet interface (10/100 Mbit/s Base T) available on the unit. This
interface may only be used for data transfer.
Power-on/off behavior:
The OPUS A8 does not have a separate on/off key. As soon as the device is
supplied with the necessary voltage via terminal 30 (battery plus), terminal 31
(battery GND) and terminal 15 (ignition), it will start to boot. In order to decrease boot
time the device supports power modes with which you can put the device in a sleep
mode before it powers down.
When ignition voltage is removed, the device will switch to low-power-mode (see
C/C++ Developer Guide). After a time frame that can be configured (default time is
60 sec) the device will move one more step down to sleep-mode. After another 60
seconds (default time) the unit will fully switch off. As soon as terminal 15 is switched
on again the unit will go back to on-mode in full operation.
Power Mode
current at 13.5 V DC
current at 27 V
On
≤ 3000 mA
≤ 1300 mA
Low-power
Depending on configation
Depending on configation
Sleep
≤ 200 mA
≤ 80 mA
Off
≤ 2 mA
≤ 3 mA
For more information please refer to the C/C++ Developer Guide.
Do not unplug clamp 30 from power supply on running unit.
Power supply interruption on clamp 30 may cause data
corruption and loss.

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Page 11
3.3 Features Overview for OPUS A8
• Encapsulated plastic front housing to be mounted in landscape or portrait
mode, standalone with aluminium back-housing
• 12,1” TFT automotive color display with a resolution of 1280 x 800 pixels
Projective capacitive touch screen in full version
• Programmable keys with backlight on STANDARD variant
• Powerful Freescale I.MX6® single core 800MHz CPU in basic version
Powerful Freescale I.MX6® quad core 1GHz CPU in full version
• 32bit processor with embedded Linux operating system (Linux kernel 3.0.35)
• Two CAN interfaces (ISO 11898) using CANopen® and SAE J1939 protocols.
Layer II is also supported
• Four analogue / digital inputs (input 1 may also be used as frequency input)
and three digital outputs (option)
• Speaker (80 dB @ 1 kHz in 1 m distance) and Light sensor
• RS232 interface for serial console and full-speed USB on main connector
• High speed USB on the front on STANDARD variant
The OPUS A8 is particularly characterized by its robust design, and it has been
developed especially for harsh use conditions in mobile work machines.
3.4 Application Development
There are three possible ways to program the OPUS A8 and make it an integrated
part of its application.
1. Projektor-Tool:
This powerful development environment provided by Topcon Electronics GmbH & Co
KG enables the quick and effective creation of an application for the OPUS A8
operator terminal. Use the Projektor to conveniently design the user interface on the
computer, which can be easily displayed on the device. Additionally, this tool includes
features to work with CANopen
®
, J1939 and CANfreestyle protocols for CAN
communication.
2. CODESYS© 3.x:
CODESYS© is a programming tool and system developed by the German company
3S according to IEC 61131-3 standard. It supports different means of programming
such as FUP (continuous function chart; CFC) or structured text. It can be used to
program the OPUS A8 and CODESYS© compatible ECUs. CODESYS© includes the
functionality to configure the CANopen
®
protocol for communication over CAN bus.
3. C-Programming:
OPUS A8 with its embedded Linux operating system can be fully programmed using
C or C++ as programming language.
For further information and function-call list please refer to the C/C++ Developer
Guide.

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Page 12
4. ISO-UT:
OPUS A8 can be used as an ISO-UT slave in accordance with the ISO-11783
standard and DLG conformity.
5. Topcon Board Support Package (BSP):
Based on the operating system the Topcon BSP provides all the necessary interfaces
to control the internal functionality of the unit (e.g. activation of the display backlight,
processing key activation, etc.).
This software is ready installed on all OPUS A8 delivered together with the operation
system. For further information please refer to the C/C++ Developer Guide.
6. Universal Downloader:
To download software from the PC to the terminal the Universal Downloader 4 is
provided. It supports a download via USB stick and Ethernet. The Universal
Downloader 4 also stores the software, installs it and restarts the application on the
terminal.
Please take notice of the following recommendation and prerequisites for the
computer used to the application design and /or programming:
- Using Projektor Tool and CODESYS© for the development it is recommended
to use the PC with Windows XP (or higher) operational system (for
CODESYS© it may by younger), at least 2 GB free hard disk capacity and 2
GB RAM. Serial port is recommended.
- Programming with C/C++ Linux operational system is prerequisite.
3.5 Development Kit
For programming the graphical user interface of the OPUS A8 some different
development kits are provided.
The operator panel OPUS A8 may only be handled due to the
according operation manual.

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Page 13
Topcon Toolchain with Projektor Tool
Order number: OPEP00A8CAN
Description
Order Number
Qty
Main connecting cable
OPKAA8CAN15
1
Ethernet cable
1
Topcon Toolchain download:
- Projektor Tool
- PClient
- Documentation
1
Basic Projektor-Tool training at a
Topcon Electronics facility
1
Projektor Tool license
2
12 month technical support
1
CODESYS© 3.x
Order number: OPEP00A8CDS
Description
Order Number
Qty
Main connecting cable
OPKAA8CAN15
1
Ethernet cable
1
CODESYS© Software downlaod:
- Development Tool
- Application
- Target files
- Documentation
1
Basic CODESYS© training at a
Topcon Electronics facility
1
12 month technical support
1

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Page 14
ISO-UT with Projektor Tool
Order number: OPEP00A8ISO
Description
Order Number
Qty
Main connecting cable
OPKAA8CAN15
1
Ethernet cable
1
ISO-UT download:
- Projektor Tool
- PClient
- ISO-UT
- Documentation
1
Basic Projektor-Tool training at a
Topcon Electronics facility
1
Projektor Tool license
2
12 month technical support
1
Accessories not part of the Developer’s kit:
Description
Order Number
Qty
Video Cable OPUS A8
OPKAA8VID010
1
Etherner-to-USB adapter
1

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Page 15
4 Getting Started
4.1 Check the delivered parts
Please check whether all parts described in the scope of delivery have been
delivered correctly. For question or reclamation please contact the support team of
Topcon Electronics GmbH & Co KG ([email protected]).
4.2 Mounting
The unit is delivered without mounting accessories.
Depending on mounting type the following mounting accessories are available.
Standalone Mounting Kit with Standard Length Socket Arm
(Order number OPUSBERM010)
Mounting kit contains the following parts:
2 x RAM® 3,68‘‘ diameter round base (2,25‘‘ ball)
1 x RAM® Standard Length Double Socket Arm (overall
length: 8.375" or 212,7 mm)
4 x Cylinder head bolt M5 x 12 DIN 912
Standalone Mounting Kit with Short Socket Arm
(Order number OPUSBERM011)
Mounting kit contains the following parts:
2 x RAM® 3,68‘‘ diameter round base (2,25‘‘ ball)
1 x RAM® Short Length Double Socket Arm (overall
length: 5.0625" or 128,6 mm)
4 x Cylinder head bolt M5 x 12 DIN 912
Attention!
Using too long screws can damage the unit!
Accepted mounting torque is 4,3 ± 10% Nm
Please secure the screws with the thread locker medium
strength (e.g. Loctite 243).

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Page 16
The back side of the unit is ready prepared for standalone mounting. Both portrait
and landscape positions are supported for mounting.
For mounting please follow the instruction provided in the according drawing.

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Page 17
4.3 Electrical installation OPUS A8
Below you find the pin out diagram of the OPUS A8. The connectors (see fig.) are
drawn as seen from the back side of the unit.
Please be aware that the existing pins and connectors depend on the hardware
option you ordered.
Please note that the OPUS A8 only represents one part of the entire CAN network.
Set-up and dimensioning of the network must be executed by specialized personnel,
and the information in this regard cannot be a component of this operating manual.
Ethernet
Round Connector,
4 pins, M12,
acc. To IEC 61076-2-101
1
TD+
2
RD+
3
TD-
4
RD-
Video
Round Connector, 5
pins, M12
1
VidSig+
2
Mirror
3
Camera+
4
Camera -
5
VidSig GND
Video connector pinout
Ethernet
Connector, M12,
female, 4 pins, d-
coded
Video-
Connector, M12,
female, 5 pins, b-
coded
Main Connector
Ethernet connector pinout

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Page 18
Main connector pinout (in full option)
pin no.
assignment
description
1
V
CC
supply voltage +; terminal 30
2
Ignition Input
ignition input; terminal 15
3
GND
supply voltage - ;terminal 31
4
CarGND
car ground
5
AUDIO_L
Audio left
6
AUDIO_R
Audio rigth
7
AUDIO_GND
Audio GND
8
CAN1H
CAN bus 1 high signal
9
CAN1L
CAN bus 1 low signal
10
CAN2H
CAN bus 2 high signal
11
CAN2L
CAN bus 2 low signal
12
USB_V
CC
full speed USB, + 5 V DC
13
USB_GND
full speed USB, 0 V
14
USB_D-
full speed USB, data line (-)
15
USB_ D+
full speed USB, data line (+)
16
RS232: RxD
RS232: RxD
17
RS232: TxD
RS232: TxD
18
RS232: GND
RS232: GND
19
A/DI3
analog/digital input 3
20
A/DI1
analog/digital input 1, full frequency
21
A/DI2
analog/digital input 2
22
A/DI4 or WoI
analog/digital input 4 or wake up over input
23
SERV_EN
service enable; to be connected while power-on for
updating
24
DO3
digital output 3
25
DO1
digital output 1
26
DO2
digital output 2
Please observe the following guidelines for set-up:
• Power supply lines should only be passed in pairs as close together as
possible.
• Sensitive signal lines should be shielded to achieve highest possible damping,
and under this shielding they should be still be passed twisted.
• Metal plug connections should be used for shielded lines.
• Cable bundles should be distributed in accordance with their purpose (e.g. HF,
LG, and power supply); the groups thus formed should not be routed in
parallel to the extent possible, and they should be routed with clearance.
The OPUS A8 relies on a connection to an ECU that controls the functions and
features of the target vehicle/machine.

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Page 19
Please keep all the connectors separated. All connection should be done on the
shortest distance to the unit.
4.3.1 Unused plugs
ACH
TUN
4.3.2 Power Supply
The unit may be used with the 12 V and for 24 Volt battery systems, operating
voltage range of 9-36 VDC. The overvoltage resistance is about 48V for 5 minutes.
Inverse-polarity protection is up to -48 V DC.
4.4 First steps
Plug in the main connector into the OPUS A8. Then connect the clamps 15 and 30
for the plus voltage, as well as clamps for GND and CarGND to ground. Switch on
the Power supply.
The boot-logo image will be displayed on the screen while starting-up. This may be
exchanged with the customer specific image (please refer to C/C++ Developer
Guide for more information).
The boot-up will call the application according to the start scripts on the unit (start
scripts for Projektor Tool and CODESYS© application already installed by delivery).
The application displays the information of the required application software version.
CODESYS© application also contains a simple function test. Each newly
downloaded application will replace the old one automatically.
Penetrating humidity by unused and unprotected plugs may
cause damage of the unit. Please protect unused plugs with the
special blind inserts that have been supplied with the units.
The ECU must be the component in charge of all safety related
functions.
Wrong connection may cause damage of the unit.

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Page 20
4.5 Cleaning/ service / maintenance
Cleaning agents which have an abrasive or dissolving effect on the coated glass
pane, the foil of the touch screen or the plastic of the encoder or the housing should
not be used to clean OPUS A8 operator panels. Only use soft clothes with a little
soap and water or mild dish washing liquid.
The OPUS A8 does not have any parts that require service by the user. Repairs can
only be performed by Topcon Electronics GmbH & Co KG.
4.6 Disposal
Dispose of the device in accordance with the national environmental regulations

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Page 21
5 Technical Documentation
The OPUS A8 is available in two housing versions.
OPUS A8 STANDARD:
OPUS A8 ECO:

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Page 22
5.1 Dimensional Drawings - OPUS A8 STANDARD

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Page 23
5.2 Dimensional Drawings - OPUS A8 ECO

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5.3 Specification
OPUS A8 ECO
OPUS A8 STANDARD
Basic
Full
Basic
Full
Dimensions (mm)
H145 x W224 x D56
H145 x W224 x D56
H145 x W267 x D70
H145 x W267 x D70
Display resolution
1280x800 pixels
1280x800 pixels
1280x800 pixels
1280x800 pixels
Touchscreen(PCT)
Keys Soft / Hard
8 / 4
8 / 4
Key backlight
Encoder with Click
Optical Signal
4
4
4
4
Speaker
Processor Speed
800 MHz I.MX6
1 GHz I.MX6
800 MHz I.MX6
1 GHz I.MX6
RAM
512 MB
1024 MB
512 MB
1024 MB
Mass Storage
4 GB
8 GB
4 GB
8 GB
EEPROM
32 kB serial
32 kB serial
32 kB serial
32 kB serial
CAN bus
2
2
2
2
RS232
1
1
1
1
USB 2.0 full speed
USB 2.0 high
speed
Ethernet
Video in
1
3
1
3
Analog/digital input
2
4
2
4
Digital Output
1
3
1
3
Real time clock
Light Sensor
Headphone-Out

Technical Documentation
Page 25
5.4 Environmental compatibility
5.4.1 CE-Compliance
EU Directive 2014/30/EC (EMC) according to
• EN 12895: Industrial Trucks – Electromagnetic compatibility
• EN 13309: Construction machinery – Electromagnetic compatibility of
machines with internal electrical power supply
• EN ISO 14982: Agricultural and forestry machinery - Electromagnetic
compatibility - Test methods and acceptance criteria
5.4.2 Protection Level (IP Code)
IP 65 and IP 66 according to ISO 20653: Road Vehicles – Degrees of protection (IP-
Code) – Protection of electrical equipment against foreign objects, water and access
5.4.3 Electrical Capability
12 and 24V-Systems according to:
• ISO 16750-2: Road Vehicles – Environmental conditions and testing for
electrical and electronic equipment – Electrical loads
• ISO 15003: Agricultural Engineering – Electrical and electronic equipment –
Testing resistance to environmental conditions
5.4.4 Mechanical Capability
According to ISO 16750-3: Road Vehicles – Environmental conditions and testing for
electrical and electronic equipment – Mechanical loads, Code L
ISO 15003: Agricultural Engineering – Electrical and electronic equipment – Testing
resistance to environmental conditions
- Mechanical Shock: Level 2
- Random Vibration: Level 2
- Sinusoidal Vibration: Level 2
5.4.5 Climate Capability
• According to ISO 16750-4: Road Vehicles – Environmental conditions and
testing for electrical and electronic equipment – Climatic Loads
- Operating Temperature Range: Code E: -30 … +65°C
- Storage Temperature Range: -40 … +85°C
- Climatic Loads: Code C
• ISO 15003: Agricultural Engineering – Electrical and electronic equipment –
Testing resistance to environmental conditions

Technical Documentation
Page 26
5.4.6 Chemical Capability
• According to ISO 16750-5: Road Vehicles – Environmental conditions and
testing for electrical and electronic equipment – Chemical Loads
Mounting Location: B
• ISO 15003: Agricultural Engineering – Electrical and electronic equipment –
Testing resistance to environmental conditions

Technical Documentation
Page 27
5.5 Declaration of Conformity
5.5.1 Declaration of Conformity for OPUS A8
