Installation and Operating instructions for
Control Cabinet PCs
C6920, C6925
Version: 2.2
Date: 2012-09-14
Table of contents
Table of contents
1.
Foreword 3
Notes on the Documentation 3
Liability Conditions 3
Trademarks 3
Patent Pending 3
Copyright 3
State at Delivery 3
Delivery conditions 3
Description of safety symbols 4
Basic safety measures 5
Operator’s obligation to exercise diligence 6
Operator requirements 6
2.
Product Description 7
Appropriate Use 7
Access to the battery and drives 7
Status-LEDs 8
Fan cartridge C6920 8
Extension for PCI and PCIe plug-in cards 9
Access to the plug-in card slots 9
Interfaces 10
Power Supply 10
Network connection 10
USB-Interfaces 10
DVI (Digital Visual Interface) 10
Serial interface 10
Fieldbus 10
Additional plug-in cards (optional) 10
3.
Installation Instructions 11
Transport and Unpacking 11
Transport 11
Unpacking 11
Installation of the PC in the control cabinet 12
Earthing measures 12
Power Supply Connection 13
Beckhoff power supply technology 13
Pin assignment of the connector 14
Fitting the cable 15
Material for assembling the connectors 15
Assembling the connectors 15
Connecting Power Supply 16
Cable Cross Sections 16
Configuration for shutting down the PC 16
PC_ON and Power Status functions 16
UPS output 16
UPS output function 16
Wiring diagram 17
Connecting devices 18
Connecting cables 18
Check voltage rating and connect 18
4.
Operating Instructions 19
Switching the Industrial PC on and off 19
First switching on and driver installation 19
Servicing and Maintenance 20
Cleaning the Industrial PC 20
Servicing 20
Replacing the battery on the motherboard 20
Emergency procedures 20
1 C6920/ 25
Table of contents
Shutting down 20
Disposal 20
5.
UPS Software Components (optional) 21
Installation on the PC 21
Help files 21
6.
Troubleshooting 22
Fault correction 22
Beckhoff Support and Service 23
Beckhoff branches and partner companies 23
Beckhoff company headquarters 23
Beckhoff Support 23
Beckhoff Service 23
7.
Assembly dimensions 24
Industrial-PC C6920 24
Industrial-PC C6920 25
Industrial-PC C6920 with plug-in card slots 26
Industrial-PC C6920 with plug-in card slots 27
Industrial-PC C6925 28
Industrial-PC C6925 29
8.
Appendix 30
Technical data 30
Approvals 30
FCC: Federal Communications Commission Radio Frequency Interference
Statement 30
FCC: Canadian Notice 30
2 C6920/ 25
Foreword
Foreword
Notes on the Documentation
This description is only intended for the use of trained specialists in control
and automation engineering who are familiar with the applicable national
standards. It is essential that the following notes and explanations are
followed when installing and commissioning these components.
The responsible staff must ensure that the application or use of the
products described satisfy all the requirements for safety, including all the
relevant laws, regulations, guidelines and standards.
Liability Conditions
The documentation has been prepared with care. The products described
are, however, constantly under development. For that reason the
documentation is not in every case checked for consistency with
performance data, standards or other characteristics. In the event that it
contains technical or editorial errors, we retain the right to make alterations
at any time and without warning. No claims for the modification of products
that have already been supplied may be made on the basis of the data,
diagrams and descriptions in this documentation.
Trademarks
Beckhoff®, TwinCAT®, EtherCAT®, Safety over EtherCAT®, TwinSAFE®
and XFC® are registered trademarks of and licensed by Beckhoff
Automation GmbH.
Other designations used in this publication may be trademarks whose use
by third parties for their own purposes could violate the rights of the
owners.
Patent Pending
The EtherCAT Technology is covered, including but not limited to the
following patent applications and patents:
EP1590927, EP1789857, DE102004044764, DE102007017835
with corresponding applications or registrations in various other countries.
The TwinCAT Technology is covered, including but not limited to the
following patent applications and patents:
EP0851348, US6167425 with corresponding applications or registrations in
various other countries.
Copyright
© Beckhoff Automation GmbH.
The reproduction, distribution and utilization of this document as well as the
communication of its contents to others without express authorization are
prohibited. Offenders will be held liable for the payment of damages. All
rights reserved in the event of the grant of a patent, utility model or design.
State at Delivery
All the components are supplied in particular hardware and software
configurations appropriate for the application. Modifications to hardware or
software configurations other than those described in the documentation
are not permitted, and nullify the liability of Beckhoff Automation GmbH.
Delivery conditions
In addition, the general delivery conditions of the company Beckhoff
Automation GmbH apply.
C6920/ 25 3
Foreword
Description of safety symbols
The following safety symbols are used in this operating manual. They are
intended to alert the reader to the associated safety instructions.
Acute risk of injury!!
DANGER
WARNING
CAUTION
Attention
Note
If you do not adhere the safety advise adjoining this symbol, there is
immediate danger to life and health of individuals!
Risk of injury!
If you do not adhere the safety advise adjoining this symbol, there is
danger to life and health of individuals!
Hazard to individuals!
If you do not adhere the safety advise adjoining this symbol, there is
obvious hazard to individuals!
Hazard to devices and environment
If you do not adhere the notice adjoining this symbol, there is obvious
hazard to materials and environment.
Note or pointer
This symbol indicates information that contributes to better understanding.
4 C6920/ 25
Foreword
Basic safety measures
Only switch the PC off after
closing the software
Before the Industrial PC is switched off, software that is running must
be properly closed.
Otherwise it is possible that data on the hard disk is lost. Please read the
section on Switching the Industrial PC on and off.
Switch off all parts of the equipment, then uncouple the fieldbus
Attention
Before opening the housing of the PC, and whenever the PC is being
used for purposes other than plant control, such as during functional tests
following repair, all parts of the equipment must first be switched off, after
which the Industrial PC can be uncoupled from the plant.
Pulling out the fieldbus connection plug uncouples the PC (optional).
Items of equipment that have been switched off must be secured against
being switched on again.
The Industrial PC’s power supply unit must be supplied with 24 VDC.
Do not exchange any parts when under power
Attention
When components are being fitted or removed, the supply voltage must
be switched off.
Fitting work on the Industrial PC can result in damage:
• if metal objects such as screws or tools fall onto operating circuit
boards.
• if connecting cables internal to the PC are removed or inserted
during operation.
• if plug-in cards are removed or inserted when the PC is switched
on.
C6920/ 25 5
Foreword
Operator’s obligation to exercise diligence
The operator must ensure that
• the Industrial PC is only used for its intended use (see also Product
Description chapter).
• the Industrial PC is in a sound condition and in working order
during operation (see also chapter Servicing and Maintenance).
• the operation manual is in good condition and complete, and
always available for reference at the location of the Industrial PC.
• the Industrial PC is operated, maintained and repaired only by
sufficiently qualified and authorized personnel.
• the personnel is instructed regularly about relevant occupational
safety and environmental protection aspects, and is familiar with
the operating manual and in particular the safety notes contained
herein.
• none of the safety and warning notes attached to the Industrial PC
are removed, and that all notes remain legible.
National regulations
depending on the machine
type
Depending on the type of machine and plant in which the Industrial PC is
being used, there will be national regulations for the control of such
machines and plant that the operator must observe. These regulations
cover, amongst other things, the intervals between inspections of the
controller.
The operator must initiate such inspections in good time.
Only trained persons may open the Industrial PC housing!
Attention
Procedure in the event of a
fault
The operator is responsible for ensuring that only trained electrical staff
opens the housing of the Industrial PC.
In the event of a fault in the Industrial PC, appropriate measures can be
determined with the aid of the list in the Fault correction section.
Operator requirements
Read the operating
instructions
Software knowledge Every user must be familiar with any of the functions of the software
Every user of the Industrial PC must have read these operating
instructions.
installed on the PC that he can reach.
6 C6920/ 25
Product Description
Product Description
The C6920/ 25 series Industrial PCs are designed for mounting in control
Front view of Industrial PC
C6920/ 25
Appropriate Use
cabinets for machine and plant engineering applications.
C6920
C6925
Configuration
Access to hard-disk
(optional), CF-Card/
CFast-Card and the battery
The C6920 is fitted with a fan cartridge with observated double ball bearing
fans, exchangeable at the front.
The C6925 is a fanless Industrial PC with passive cooling.
Access to the battery and drives
1
2
3
4
C6920/ 25 7
Opening the front flap (1) allows access to the battery (2), the CF-Card/
CFast-Card (3) and the hard disk (4) (optional).
When provided with a CF-Card the ejection of the card occurs by pressing
the eject button below the card slot.
Product Description
Status-LEDs
Description of the StatusLEDs
The Status-LEDs (2) are
located near the power
supply connector (X101):
1 PWR (Power): green
2 TC (TwinCAT): red
3 IDE/ HDD: red Access to a memory
4 FAN: green
5 USR (User): Programmable
6 FB RUN (Fieldbus activ): green
7 FB Error (Fieldbus Error): red Error
Fan cartridge C6920
2
green blinking
green
blue
red
red
X101
Busy
Standby
Stop Mode
Run Mode
Configuration Mode
device
Fans running
Fan Error
Activ
Not activ
For optimal cooling the C6920 Industrial PC is equipped with a fan cartridge
with two fans. The fan cartridge can be exchanged.
Replace the fans only with the identical type or an alternative type approved
by Beckhoff.
View from the top
2
1
Exchanging the fan
cartridge
For exchanging the fan cartridge (1), first solve the knurled screw (2). The
cartridge can then be folded down and taken out.
8 C6920/ 25
Product Description
Extension for PCI and PCIe plug-in cards
Order option When ordered with the following options the Control Cabinet Industrial PC
can be extended by two additional plug-in card slots:
Options C6920-0020 and –0030
C9900-B506 2 PCIe plug-in card slots on the passive backplane
integrated inside C6920, to plug-in PCIe x1 cards up to
190 mm (6.3“) length.
C9900-B510 2 PCI plug-in card slots on the passive backplane integrated
inside C6920, to plug-in PCI cards up to 190 mm (6.3“)
length.
C9900-B514 1 PCI and 1 PCIe plug-in card slot on a passive backplane
integrated inside C6920, to plug-in one PCI and one PCIe x1
card up to 190 mm (6.3“) length.
Access to the plug-in card slots
Access to the slots
The plug-in card slots are located behind the cover next to the interfaces of
the Industrial PC.
Opening the cover
For mounting the plug-in cards first solve the cross-head screw (1). The
cover (2) can now be opened and allows to plug in the cards.
1
2
C6920/ 25 9
Product Description
X
X
Interfaces to the
C6920/ 25 Industrial PCs
Interfaces
X109 X108
X106
107
X104
105
X103
X102
X101
X110
Power Supply
Power supply The power supply for the Industrial PC is established via the
socket (X101).
Network
10/100/1000BASE-T
Network
10/100/1000BASE-T
Network connection
The RJ-45 connector (X102) allows the PC to be connected to a
10/100/1000BASE-T Local Area Network (LAN).
The RJ-45 connector (X103) allows the PC to be connected to a
10/100/1000BASE-T Local Area Network (LAN) (version -0020 and
higher).
Network 10/100BASE-T The RJ-45 connector (X103) allows the PC to be connected to a
10/100BASE-T Local Area Network (LAN) (till version –0020).
USB-Interfaces
USB1 – USB4 The four USB interfaces (X104 – X107) are used for connecting peripheral
devices with USB connection. USB2.0 standard is supported.
DVI (Digital Visual Interface)
DVI-I The DVI connection (X108) is used for transferring the video signal. DVI-I
standard is supported.
RS 232
COM1
Fieldbus
Serial interface
The Industrial PC has one serial interfaces, COM1 (X109), using the type
RS232, which is brought to a 9 pin SUB-D plug connector.
Fieldbus
The Industrial PC has one fieldbus-interface (X110), which is brought to a
9 pin SUB-D plug connector.
Additional plug-in cards (optional)
Type plate
Ground connection
There is a type plate on the top of the Industrial PC which provides
information about the hardware configuration of the Industrial PC at the
time it was supplied.
10 C6920/ 25
Installation Instructions
Installation Instructions
Please also refer to chapter Foreword.
Transport and Unpacking
The specified storage conditions must be observed (see chapter Technical
data).
Transport
Despite the robust design of the unit, the components are sensitive to
strong vibrations and impacts. During transport, your Industrial PC should
therefore be protected from excessive mechanical stress. Therefore,
please use the original packaging.
Danger of damage to the unit
Attention
If the device is transported in cold weather or is exposed to extreme
variations in temperature, make sure that moisture (condensation) does
not form on or inside the device.
Prior to operation, the unit must be allowed to slowly adjust to room
temperature. Should condensation occur, a delay time of approximately
12 hours must be allowed before the unit is switched on.
Unpacking
Proceed as follows to unpack the unit:
1. Remove packaging.
2. Do not discard the original packaging. Keep it for future relocation.
3. Check the delivery for completeness by comparing it with your order.
4. Please keep the associated paperwork. It contains important
information for handling the unit.
5. Check the contents for visible shipping damage.
6. If you notice any shipping damage or inconsistencies between the
contents and your order, you should notify Beckhoff Service.
C6920/ 25 11
Installation Instructions
Installation of the PC in the control cabinet
The C6920/ 25 Industrial PCs are designed for mounting in control
cabinets for machine and plant engineering applications.
The ambient conditions specified for operation must be observed (see
chapter Technical data).
Preparation of the control
cabinet
Four holes for the fixing bolts have to be provided in the control cabinet
according to the dimensions of the PC (see chapter Assembly dimensions).
Circulation of air
Note
Attention
Earthing measures
When the unit is installed in an enclosure, adequate space for ventilation
and for opening the PC must be provided.
The clearance above and below the housing must be at least 5 cm in
order to ensure adequate ventilation of the PC.
Avoid extreme environmental conditions
Extreme environmental conditions should be avoided as far as possible.
Protect the PC from dust, moisture and heat.
The ventilation slots of the PC must not be covered.
Earthing measures
Earthing connections dissipate interference from external power supply
cables, signal cables or cables to peripheral equipment.
Establish a low-impedance connection from the earthing point on the PC
housing to the central earthing point on the control cabinet wall, in which
the computer is being installed. The earthing connection is located at the
front side of the housing (see photograph on the left).
12 C6920/ 25
Installation Instructions
Power Supply Connection
Supplied mains power unit The Industrial PC is fitted with a 24 VDC power supply unit .
Uninterruptible power supply (UPS)
Note
WARNING
Schematic diagram of
power supply unit wirings
When the Industrial PC is provided with a power supply unit with
integrated UPS (order option) you can realize an uninterruptible power
supply (UPS) using the battery pack C9900-U330.
Danger of Explosion!
Danger of Explosion if using other battery packs!
Beckhoff power supply technology
Innovative solution for
shutting down Industrial
PCs
C6920/ 25 13
Industrial PCs equipped with a UPS are in actual use frequently switched
off by simply turning off the supply voltage. In this case the PC shuts down
via the battery. However, over time this reduces the service life of the
battery.
The new Beckhoff power supply technology approach addresses this
problem and now offers the user the option of switching the PC off without
the need for using the battery, thereby reducing the load on the battery.
In addition to the main switch this innovative solution uses an ON/OFF
switch for the machine. Basically, the main switch remains switched on and
provides the power supply for the PC during shutdown. Via the PC ONinput of the power supply the PC gets the command to shut down the
operating system.
Once the PC has shut down, the PC power supply unit sets the Power
Status-output (P-S) to 0, what indicates that the process is complete and
that the main voltage can be switched off. This can be done manually via a
Installation Instructions
signal lamp connection or via a contactor. With this solution the main
switch generally only has to be switched off if the control cabinet has to be
opened. The battery will only be used in the event of a power failure.
In order to maintain a screen display for the Industrial PC in the event of a
power failure, the power supply unit is equipped with a UPS output 27 V /
1.4 A for connecting a Control Panel with a display dimension up to 19
inches. This enables a power failure to be visualized and displayed to the
user. Once the PC has shut down, the UPS output is switched off.
For a detailed functional description please refer to section Connecting
Power Supply.
Pin assignment of the connector
The power supply and the external circuit for switching the Industrial PC on
and off are connected via the 8-pole plug connector .
Pin assignment for
connecting the switch, the
power supply and the
battery pack (optional)
1 2 3 4 5 6 7 8
Pin Function
1
-
2
+
3
UPS+ (Output)
4
5
-
6
+
7
PC_ON
8
Power-Status
Battery Pack
(with UPS only)
24 V DC
Power Supply
14 C6920/ 25
Installation Instructions
Fitting the cable
Wiring in accordance with
wiring diagram
Fit the cables for the power supply of the Industrial PC, the connection of
the battery pack as well as the connection of the power-switch in
accordance with the wiring diagram, using the included material for
assembling the connectors.
Material for assembling the connectors
Material for assembling the
connectors
Plug connector 8-pole, Strain
relief housing with lacing cord
Assembling the connectors
Conductive cross-section The connector is specified for 16 A and can lift conductive cross-sections
until 1.5 mm2.
Fitting the connector to the
cable
So the connector is fitted to the cable:
1. Strip insulation from the cable ends (Length of stripped conductor
is 8 – 9 mm).
2. Screw together the cable ends in the 8-pole plug connector in
accordance with wiring diagram.
Applying the strain relief
Thread the lacing cord into that
lower part of the strain relief
housing.
Putting in the plug
connector
Put the plug connector into that
lower part of the strain relief
housing.
Tighten the lacing cord and pinch off
the plastic strap.
Fixing the upper part of the
strain relief housing
Fix the upper part of the strain relief
housing by snapping it onto the
lower part.
C6920/ 25 15
Installation Instructions
The external wiring consists of the connection of the power supply, the
Connecting Power Supply
battery pack (optional) and the connection of customized components for
shutting down the PC.
Cable Cross Sections
Note cable cross sections,
avoid voltage drop!
For the connection of the power supply, wiring with a cable-cross-section
of 1.5 mm2 must be used.
With bigger distances between voltage source and PC, you take the
voltage drop as a function of the cable-cross-section as well as voltage
fluctuations of your distribution voltage into account, so that is secured that
the voltage doesn't fall under 22 V at the power supply.
Insert fuse
Attention
The power supply must be protected with maximum 16 A.
Configuration for shutting down the PC
The connections for shutting down the Industrial PCs are established via
the PC_ON input and the Power Status output.
PC_ON and Power Status functions
Attention
• If the PC_ON input is connected to 24 V via a switch, the PC shuts
down according to the rules. The PC_ON signal is inverted, i.e. the
PC shuts down if the 24 V connection is live.
• If the PC_ON input is NOT connected by the user, the PC can be
booted in the familiar way by connecting the supply voltage and shut
down via the battery by switching off the supply voltage.
Service life of the rechargeable battery
This procedure significantly reduces the service life of the rechargeable
battery and should therefore not be used.
• Once the PC has shut down, the Power Status output is switched
from 24 V to 0 V. Via this output a signal lamp can be connected or a
contactor for de-energizing the whole system. The maximum load for
the Power Status output is 0.5 A and a suitable fuse should be
provided.
UPS output
In order to maintain a screen display for the PC in the event of a power
failure, the power supply unit is equipped with a UPS output for connecting
a Control Panel. The maximum load for the output is 1.4 A.
UPS output function
16 C6920/ 25
• The 24 V DC connection at the UPS output is live even after a power
failure. The maximum load is 1.4 A.
• Once the PC has been de-energized via the UPS software, the UPS
output is switched to 0 V. Any connected panel is thus switched off,
and total discharge of the rechargeable battery is prevented.
Installation Instructions
Wiring diagram
Wiring according to the wiring diagram (the circuit of PC_ON and PowerStatus is symbolical):
Wiring diagram external
switch and power supply
Connection of the Battery Pack and UPS Output
Note
Connection of the Battery Pack and UPS Output only in combination with
integrated UPS (order option).
C6920/ 25 17
Installation Instructions
Connecting devices
Power supply plug
Attention
The power supply plug must be withdrawn!
Please read the documentation for the external devices prior to
connecting them.
During thunderstorms, plug connector must neither be inserted nor
removed.
When disconnecting a plug connector, always handle it at the plug. Do not
pull the cable!
Connecting cables
The connections are located at the top of the Industrial PC and are
documented in the product description chapter.
When connecting the cables to the Industrial PC, proceed according to the
following sequence:
• Switch off all the devices that are to be connected.
• Disconnect all the devices that are to be connected from the power
supply.
• Connect all the cables between the Industrial PC and to the
devices that are to be connected.
• Connect all data transfer cables (if present) to the appropriate
plug-in receptacles of the data/telecommunication networks.
• Reconnect all devices to the power supply.
Check voltage rating and connect
Fitted with the 24 V
1. Check that the external power supply is providing the correct
voltage.
power supply unit:
DC
2. Insert the power supply cable that you have assembled into the
Industrial PC's power supply socket. Then connect it to your
external 24 V power supply.
Use same type of rechargeable battery
Attention
If a 24 V UPS is installed, the same type of rechargeable battery must be
used.
18 C6920/ 25
Operating Instructions
Operating Instructions
Please also refer to chapter Foreword.
Switching the Industrial PC on and off
Switch on The Industrial PC does not have its own mains switch. The Industrial PC
will start when the equipment is switched on, or when it is connected to the
power supply.
Shutting down and
switching off
When the plant is switched off, or when it is disconnected from its power
supply, the Industrial PC will be switched off.
Control software such as is typically used on Industrial PCs permits various
users to be given different rights. A user who may not close software may
also not switch the Industrial PC off, since data can be lost from the hard
disk by switching off while software is running.
First shut down, then switch off the PC
Attention
Attention
If the Industrial PC is switched off as the software is writing a file to the
hard disk, the file will be destroyed. Control software typically writes
something to the hard disk every few seconds, so that the probability of
causing damage by switching off while the software is running is very
high.
Switch off power supply
When you have shut down the Industrial PC, you have to switch off power
supply for at least 10 seconds before rebooting the system.
After resetting power supply the PC will start booting automatically.
First switching on and driver installation
When you switch on the Industrial PC for the first time, the pre-installed
operating system (optional) will be started. In this case, all the required
drivers for any additional, optional hardware components ordered with the
PC will already have been installed.
If the PC was ordered without operating system, you have to install the
operating system and the driver software for any auxiliary hardware
yourself. Please follow the instructions in the documentation for the
operating system and the additional devices.
C6920/ 25 19
Operating Instructions
Please also refer to chapter Foreword.
Servicing and Maintenance
Cleaning the Industrial PC
Disconnect from power supply
Attention
The Industrial PC can be cleaned with a soft, damp cloth. Do not use any
Switch off the Industrial PC and all connected devices, and disconnect the
Industrial PC from the power supply.
aggressive cleaning materials, thinners, scouring material or hard objects
that could cause scratches.
Servicing
The Industrial PC requires no maintenance.
Replacing the battery on the motherboard
A used battery on the motherboard has to be replaced. See also chapter
Access to the battery and drives.
Danger of Explosion!
WARNING
The used battery must be disposed of in accordance with national
Replace battery only with the identical type or an alternative type
recommended by the manufacturer. Notice correct polarity!
electronics scrap regulations.
Emergency procedures
Dismantling the Industrial
PC
Observe national
electronics scrap
regulations
In case of fire, the Industrial PC should be extinguished with powder or
nitrogen.
Shutting down
Disposal
The device must be fully dismantled in order to dispose of it. The housing
can be sent for metal recycling.
Electronic parts such as disk drives and circuit boards must be disposed of
in accordance with national electronics scrap regulations.
20 C6920/ 25
UPS Software Components (optional)
UPS Software Components (optional)
Installing the UPS driver
software
For operating the power supply unit as a UPS, the UPS driver software and
the associated UPS driver must be installed on the Industrial PC.
On delivery of the Beckhoff Industrial PC with operating system the
software is already installed. Should the software not be installed on your
PC, the drivers can be installed from the driver CD provided.
Installation on the PC
Installation To install the UPS driver software, execute file
Beckhoff_UPS_vx.xx.xx.exe from the subdirectory of UPS\… from the
CD provided on the Industrial PC (Driver-archive for the Industrial-PC,
C9900-S700-xxxx).
The program is self-extracting and will guide the user through the
installation routine.
Help files
Beckhoff Information
System
The driver software comes with a detailed help function.
The help files can be called up either directly from the configuration register
by clicking the Help button, or under via Start > Programs > Beckhoff >
UPS software components.
C6920/ 25 21
Troubleshooting
Troubleshooting
Please also refer to chapter Foreword.
Fault correction
Fault Cause Procedure
Nothing happens after the Industrial
PC has been switched on
The Industrial PC does not boot
fully
Computer boots, software starts,
but control does not operate
correctly
Memory device access error Faulty device Call Beckhoff Service
The Industrial PC functions only
partially or only part of the time, e.g.
no or dark picture, but disk drive
responds when switching on
No power supply to the Industrial
PC
Other cause
Setup settings are incorrect.
Other cause
Cause of the fault is either in the
software or in parts of the plant
outside the Industrial PC
Defective components in the
Industrial PC
Check power supply cable
Call Beckhoff Service
Check the setup settings
Call Beckhoff Service
Call the manufacturer of the
machine or the software
Call Beckhoff Service
22 C6920/ 25
Troubleshooting
Beckhoff Support and Service
Beckhoff and their partners around the world offer comprehensive support
and service, guaranteeing fast and competent assistance with all questions
related to Beckhoff products and system solutions.
Beckhoff branches and partner companies
Please contact your Beckhoff branch office or partner company for local
support and service on Beckhoff products!
The contact addresses for your country can be found in the list of Beckhoff
branches and partner companies: www.beckhoff.com
You will also find further documentation
Beckhoff company headquarters
Beckhoff Automation GmbH
Eiserstraße 5
33415 Verl
Germany
Phone: +49(0)5246/963-0
Fax: +49(0)5246/963-198
e-mail: info@beckhoff.com
Web: http://www.beckhoff.de/
Beckhoff Support
Beckhoff offers you comprehensive technical assistance, helping you not
only with the application of individual Beckhoff products, but also with wideranging services:
• worldwide support
• design, programming and commissioning of complex automation
systems
• training program for Beckhoff system components
Hotline:
Fax: +49(0)5246/963-9157
e-mail: support@beckhoff.com
+49(0)5246/963-157
Beckhoff Service
The Beckhoff service center supports you in all matters of after-sales
service:
• on-site service
• repair service
• spare parts service
• hotline service
Hotline:
Fax: +49(0)5246/963-479
e-mail: mailto:service@beckhoff.com
Quote the project number If servicing is required, please quote the project number of your product.
+49(0)5246/963-460
for Beckhoff components there.
C6920/ 25 23
Assembly dimensions
Assembly dimensions
Industrial-PC C6920
Assembly orientation
Attention
All dimensions in mm.
The assembly of the unit must take place with the orientation diagrammed
here.
24 C6920/ 25
Assembly dimensions
Industrial-PC C6920
C9900-M653 Mountig plate at the side wall
Assembly orientation
Attention
All dimensions in mm.
The assembly of the unit must take place with the orientation diagrammed
here.
C6920/ 25 25
Assembly dimensions
Industrial-PC C6920 with plug-in card slots
Assembly orientation
Attention
All dimensions in mm.
The assembly of the unit must take place with the orientation diagrammed
here.
26 C6920/ 25
Assembly dimensions
Industrial-PC C6920 with plug-in card slots
C9900-M653 Mountig plate at the side wall
Assembly orientation
Attention
All dimensions in mm.
The assembly of the unit must take place with the orientation diagrammed
here.
C6920/ 25 27
Assembly dimensions
Industrial-PC C6925
Assembly orientation
Attention
All dimensions in mm.
The assembly of the unit must take place with the orientation diagrammed
here.
28 C6920/ 25
Assembly dimensions
Industrial-PC C6925
C9900-M653 Mountig plate at the side wall
Assembly orientation
Attention
All dimensions in mm.
The assembly of the unit must take place with the orientation diagrammed
here.
C6920/ 25 29
Appendix
Appendix
Technical data
Industrial-PC C6920 Dimensions: see chapter Assembly dimensions
Weight: 1.9 kg (basic configuration)
Industrial-PC C6920
with plug-in card slots
Dimensions: see chapter Assembly dimensions
Weight: 3.1 kg (basic configuration)
Industrial-PC C6925 Dimensions: see chapter Assembly dimensions
Weight: 1.85 kg (basic configuration)
Do not use the PC in areas
of explosive hazard
The Industrial PC may not be used in areas of explosive hazard.
The following conditions must be observed during operation:
Environmental conditions Ambient temperature: 0 to 55°C
Atmospheric humidity: Maximum 95%, non-condensing
Shock resistance
Sinusoidal vibration:
(EN 60068-2-6)
10 to 58 Hz: 0.035 mm
58 to 500 Hz: 0.5 G (~ 5 m/ s2)
Impact:
(EN 60068-2-27)
5 G (~ 50 m/ s²), duration: 30 ms
Protection class Protection class:
Power supply
24 V
power pack
DC
Supply voltage: 22–30V VDC
Power consumption: C6920: 70 W for the basic version
IP20
C6925: 35 W for the basic version
Electromagnetic
Compatibility (EMC)
Interference resistance: according to EN 61000-6-2
Emitted resistance: according to EN 61000-6-4
Transport and storage The same values for atmospheric humidity and shock resistance are to be
observed during transport and storage as in operation. The shock
resistance during transport can be improved by means of suitably packing
the Industrial PC. The ambient temperature during storage and transport
must be between -20°C and +65°C.
Approvals
FCC: Federal Communications Commission Radio Frequency Interference Statement
FCC Approval for USA This equipment has been tested and found to comply with the limits for a
Class A digital device, pursuant to Part 15 of the FCC Rules. These limits
are designed to provide reasonable protection against harmful interference
when the equipment is operated in a commercial environment. This
equipment generates, uses, and can radiate radio frequency energy and, if
not installed and used in accordance with the instruction manual, may
cause harmful interference to radio communications. Operation of this
equipment in a residential area is likely to cause harmful interference in
which case the user will be required to correct the interference at his own
expense.
FCC: Canadian Notice
FCC Approval for Canada This equipment does not exceed the Class A limits for radiated emissions
as described in the Radio Interference Regulations of the Canadian
Department of Communications.
30 C6920/ 25
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