ESD EtherCAN/2 User manual

EtherCAN/2
Ethernet-CAN-Gateway
Hardware Manual
to Product C.2051.02
EtherCAN/2 Hardware Manual • Doc.-No. C.2051.21 / Rev.2.0 Page 1 of 75
esd electronics gmbh
Vahrenwalder Str. 207 • 30165 Hannover • German
http://www.esd.eu
Phone: [phone] • Fax: [phone]

N O T E
The information in this document has been carefully checked and is believed to be entirely reliable.
esd electronics makes no warranty of any kind with regard to the material in this document, and
assumes no responsibility for any errors that may appear in this document. In particular
descriptions and technical data specified in this document may not be constituted to be guaranteed
product features in any legal sense.
esd electronics reserves the right to make changes without notice to this, or any of its products, to
improve reliability, performance or design.
All rights to this documentation are reserved by esd electronics. Distribution to third parties, and
reproduction of this document in any form, whole or in part, are subject to esd electronics's
written approval.
© 2021 esd electronics gmbh, Hannover
esd electronics gmbh
Vahrenwalder Str. 207
30165 Hannover
Germany
Phone [phone]
Fax [phone]
E-Mail [email protected]
Internet www.esd.eu
This manual contains important information and instructions on safe and efficient
handling of the EtherCAN/2. Carefully read this manual before commencing any work
and follow the instructions.
The manual is a product component, please retain it for future use.
Trademark Notices
CANopen® and CiA® are registered community trademarks of CAN in Automation e.V.
Windows is a registered trademark of Microsoft Corporation in the United States and other countries.
UPnPTM is a trademark of the UPnP Implementers Corporation.
All other trademarks, product names, company names or company logos used in this manual are reserved by their
respective owners.
Page 2 of 75 Hardware Manual • Doc.-No. C.2051.21 / Rev. 2.0 EtherCAN/2

Document file: I \Texte\Doku\MANUALS\CAN\EtherCAN2\Englisch\EtherCAN-2_Hardware_en_20.odt
Date of print: 2021-10-27
Firmware ersion: from Rev. 4.2.0.16
Document History
The changes in the document listed below affect changes in the hardware as well as changes in
the description of the facts, only.
Revision Chapter Changes versus previous version Date
1.2 all First version of English manual. 2009/11
1.3
2.2 LED description updated
2010/05
4 Updated description for IP- and DHCP configuration
4.2 Updated images
Added description for UPnP
4.2.3 Added description for ELLSI clients
1.4
3.2.2.8 Updated notes on reboot
2012/07
3.2.2.5 Chapter “CAN Bridge” added
3.2.3.2 Chapter “Bridge” added
6.3 Chapter “Ethernet” added
- Adapted to manual blueprint V1.3
1.5
3.2.1 Image of website overview updated
2013/013.2.2.5.1 Chapter “Short description/Quick start” added
3.2.2.6 Chapter “CAN TCP Client” added
1.6 3.2.2.6 Chapter “CAN TCP Client” revised 2013/02
1.7 3.2.2.7 Chapter “WebSocket server“ added 2013/04
3.2.3.4 Screenshot “Connected clients” updated
1.8 3.2.2.7 Added note about ZIP format of WebSocket server upload 2013/11
1.9
- Safety Instruction revised, note concerning data safety inserted
2015-12-09
- Classification of warning messages inserted
2. Note to chapter “Correct Wiring Electrically Isolated CAN Networks”
inserted
6.4 New chapter “Conductor Connection/Conductor Cross Sections”
10. New chapter “References”
11. EU Declaration of Conformity updated
12. Order information revised
2.0 7./8. Chapter updated 2021-10-27
11. EU Declaration of Conformity updated
Technical details are subject to change without further notice.
EtherCAN/2 Hardware Manual • Doc.-No. C.2051.21 / Rev. 2.0 Page 3 of 75

Classification of Warning Messages and Safety Instructions
This manual contains noticeable descriptions, warning messages and safety instructions, which
you must follow to avoid personal injuries or death and property damage.
This is the safety alert symbol.
It is used to alert you to potential personal injury hazards. Obey all safety messages
and instructions that follow this symbol to avoid possible injury or death.
DANGER, WARNING, CAUTION
Depending on the hazard level the signal words DANGER, WARNING or CAUTION are used to
highlight safety instructions and warning messages. These messages may also include a warning
relating to property damage.
DANGER
Danger statements indicate a hazardous situation which, if not avoided, will result in
death or serious injury.
WARNING
Warning statements indicate a hazardous situation that, if not avoided, could result in
death or serious injury.
CAUTION
Caution statements indicate a hazardous situation that, if not avoided, could result in
minor or moderate injury.
NOTICE
Notice statements are used to notify people on hazards that could result in things other than
personal injury, like property damage.
NOTICE
This NOTICE statement contains the general mandatory sign and gives information that
must be heeded and complied with for a safe use.
INFORMATION
INFORMATION
Notes to point out something important or useful.
Page 4 of 75 Hardware Manual • Doc.-No. C.2051.21 / Rev. 2.0 EtherCAN/2

Safety Instructions
● When working with the EtherCAN/2 follow the instructions below and read the manual carefully to protect
yourself from injury and the EtherCAN/2 from damage.
● Do not use damaged or defective cables to connect the EtherCAN/2 and follow the CAN wiring hints in
chapter "Correct Wiring of Electrically Isolated CAN Networks".
● In case of damages to the device, which might affect safety, appropriate and immediate measures must
be taken, that exclude an endangerment of persons and domestic animals and property.
● Current circuits which are connected to the device have to be sufficiently protected against hazardous
voltage (SELV according to EN 60950-1).
● The EtherCAN/2 may only be driven by power supply current circuits, that are contact protected.
A power supply, that provides a safety extra-low voltage (SELV) according to EN 60950-1, complies with
this conditions.
● Do not open the housing of the EtherCAN/2.
● The EtherCAN/2 has to be securely installed before commissioning.
● Never let liquids get inside the EtherCAN/2. Otherwise, electric shocks or short circuits may result.
● Protect the EtherCAN/2 from dust, moisture and steam.
● Protect the EtherCAN/2 from shocks and vibrations.
● The EtherCAN/2 may become warm during normal use. Always allow adequate ventilation around the
EtherCAN/2 and use care when handling.
● Do not operate the EtherCAN/2 adjacent to heat sources and do not expose it to unnecessary thermal
radiation. Ensure an ambient temperature as specified in the technical data.
Qualified Personnel
The installation and commissioning of the product may only be carried out by qualified personal, which is
authorized to put devices, systems and electric circuits into operation according to the applicable national
standards of safety engineering.
Conformity
The EtherCAN/2 is an industrial product and meets the demands of the EU regulations and EMC standards
printed in the conformity declaration at the end of this manual.
Warning: In a residential, commercial or light industrial environment the EtherCAN/2 may cause radio
interferences in which case the user may be required to take adequate measures.
Data Safety
This device is equipped with an Ethernet or other interface which is suitable to establish a connection to data
networks. Depending on the software used on the device, these interfaces may allow attackers to
compromise normal function, get illegal access or cause damage.
esd does not take responsibility for any damage caused by the device if operated at any networks. It is the
responsibility of the device's user to take care that necessary safety precautions for the device's network
interface are in place.
Intended Use
The guarantee given by esd does not cover damages which result from improper use, usage not in
accordance with regulations or disregard of safety instructions and warnings.
● The operation of the EtherCAN/2 in hazardous areas, or areas exposed to potentially explosive materials
is not permitted.
● The operation of the EtherCAN/2 for medical purposes is prohibited.
Service Note
The EtherCAN/2 does not contain any parts that require maintenance by the user. The EtherCAN/2 does not
require any manual configuration of the hardware. Unauthorized intervention in the device voids warranty
claims.
Disposal
Devices which have become defective in the long run have to be disposed in an appropriate way or have to
be returned to the manufacturer for proper disposal. Please, make a contribution to environmental protection.
EtherCAN/2 Hardware Manual • Doc.-No. C.2051.21 / Rev. 2.0 Page 5 of 75

Table of Contents
Safety Instructions...........................................................................................................................5
1 Overview...................................................................................................................................... 8
1.1 Description of the EtherCAN/2...............................................................................................8
2 Starting Up................................................................................................................................. 10
3 Software Configuration...............................................................................................................11
3.1 Configuration of the IP Address............................................................................................11
3.1.1 Configuration via DHCP...............................................................................................11
3.1.1.1 Using a Hostname Instead of the IP Address........................................................12
3.1.2 Determining IP Address via UPnP...............................................................................12
3.1.3 Configuration via esdcp...............................................................................................14
3.2 Web Based Configuration....................................................................................................16
3.2.1 Overview.....................................................................................................................16
3.2.2 Configuration...............................................................................................................17
3.2.2.1 Security.................................................................................................................17
3.2.2.2 Network Settings...................................................................................................18
3.2.2.3 Remote Logging ..................................................................................................22
3.2.2.4 Firmware Update..................................................................................................23
3.2.2.5 CAN Bridge...........................................................................................................25
3.2.2.5.1 Short description/Quick start.........................................................................26
3.2.2.5.2 Important notes.............................................................................................28
3.2.2.5.3 Miscellaneous...............................................................................................29
3.2.2.5.4 Configuration file...........................................................................................29
3.2.2.5.5 Edit Configuration Online..............................................................................30
3.2.2.5.6 Configuration file...........................................................................................33
3.2.2.6 CAN TCP Client....................................................................................................35
3.2.2.6.1 Protocol.........................................................................................................37
3.2.2.6.2 Version information struct..............................................................................39
3.2.2.6.3 CAN Frame struct..........................................................................................39
3.2.2.7 WebSocket server.................................................................................................40
3.2.2.8 Reboot..................................................................................................................42
3.2.3 Status..........................................................................................................................43
3.2.3.1 CAN Statistics.......................................................................................................43
3.2.3.2 Bridge...................................................................................................................44
3.2.3.3 Ethernet................................................................................................................45
3.2.3.4 Connected clients.................................................................................................46
3.2.3.5 Alarms and Events................................................................................................47
4 LEDs ......................................................................................................................................... 48
4.1 Position of the LEDs............................................................................................................48
4.2 LED Indication.....................................................................................................................48
5 Technical Data............................................................................................................................50
5.1 General Technical Data........................................................................................................50
5.2 Microprocessor and Memory................................................................................................50
5.3 CAN Interface......................................................................................................................51
5.4 Ethernet Interface................................................................................................................51
5.5 DIAG, Serial Interface via USB Interface.............................................................................51
5.6 Software...............................................................................................................................52
6 Interfaces and Connector Assignments......................................................................................53
6.1 CAN.....................................................................................................................................53
6.2 24 V-Power Supply Voltage..................................................................................................54
6.3 Ethernet 100BASE-TX (IEEE 802.3)....................................................................................55
Page 6 of 75 Hardware Manual • Doc.-No. C.2051.21 / Rev. 2.0 EtherCAN/2

6.4 Conductor Connection/Conductor Cross Sections...............................................................56
7 Correct Wiring Electrically Isolated CAN Networks.....................................................................57
7.1 Standards concerning CAN Wiring......................................................................................57
7.2 Light Industrial Environment (Single Twisted Pair Cable).....................................................58
7.2.1 General Rules.............................................................................................................58
7.2.2 Cabling........................................................................................................................59
7.2.3 Branching....................................................................................................................59
7.2.4 Termination..................................................................................................................59
7.3 Heavy Industrial Environment (Double Twisted Pair Cable).................................................60
7.3.1 General Rules.............................................................................................................60
7.3.2 Device Cabling............................................................................................................61
7.3.3 Branching....................................................................................................................61
7.3.4 Termination..................................................................................................................61
7.4 Electrical Grounding.............................................................................................................62
7.5 Bus Length...........................................................................................................................62
7.6 Examples for CAN Cables...................................................................................................63
7.6.1 Cable for light industrial Environment Applications (Two-Wire)....................................63
7.6.2 Cable for heavy industrial Environment Applications (Four-Wire)................................63
8 CAN Troubleshooting Guide.......................................................................................................64
8.1 Termination..........................................................................................................................64
8.2 Electrical Grounding.............................................................................................................65
8.3 Short Circuit in CAN Wiring..................................................................................................65
8.4 CAN_H/CAN_L-Voltage ......................................................................................................65
8.5 CAN Transceiver Resistance Test........................................................................................66
8.6 Support by esd.....................................................................................................................66
9 Appendix InRailBus (Option)......................................................................................................67
9.1 Order Information InRailBus Accessories.............................................................................67
9.2 Connector Assignment 24V and CAN via InRailBus (Option)...............................................68
9.3 Using InRailBus (Option).....................................................................................................69
9.3.1 Installation of the Module Using InRailBus Connector.................................................69
9.3.2 Connecting Power Supply and CAN Signals to CBX-InRailBus...................................70
9.3.3 Connection of the Power Supply Voltage....................................................................71
9.3.4 Connection of CAN......................................................................................................71
9.4 Remove the CAN-CBX Module from InRailBus....................................................................72
10 References...............................................................................................................................73
11 Declaration of Conformity.........................................................................................................74
12 Order Information.....................................................................................................................75
EtherCAN/2 Hardware Manual • Doc.-No. C.2051.21 / Rev. 2.0 Page 7 of 75

Overview
1 Overview
1.1 Description of the EtherCAN/2
Figure 1: Block circuit diagram
The EtherCAN/2 is an Ethernet-CAN-Gateway equipped with an ARM9 processor, which controls
the data transfer between CAN and Ethernet.
The Ethernet interface is suitable for 10 Mbit/s and 100 Mbit/s networks and can be connected via
an RJ45-socket.
The CAN interface can be connected via a 5-pin Combicon connector.
The interface is in accordance with ISO 11898-2, is electrically isolated and can be used for
transmission rates from 20 kbit/s up to 1 Mbit/s.
The connectors for the Ethernet-, CAN- and serial interface and the status LEDs are located in the
front panel of the top hat rail module and are easily accessible.
The 4-pin Combicon connector for the power supply is located in the case top side, easily
accessible.
Page 8 of 75 Hardware Manual • Doc.-No. C.2051.21 / Rev. 2.0 EtherCAN/2
ARM-9
Micro-
controller
Physical
CAN
Layer
ISO11898-2
Power Supply
24 V=
DC/DC
Converter
5-pole
Open style
Connector
Combicon 5.08
Power Supply
Flash
SDRAM
LEDs
Electrical Isolation
In-Rail-Bus
Connector
C A N
100Base-TX
Transceiver
Ethernet
RJ45
100BASE-TX
EtherCAN

Overview
Figure 2: Connections in operable state
NOTICE
Read chapter “Starting Up” on page 10, before you start with the installation of the
hardware!
Please refer to page 53 for signal assignment of the connectors.
EtherCAN/2 Hardware Manual • Doc.-No. C.2051.21 / Rev. 2.0 Page 9 of 75

Starting Up
2 Starting Up
To start up the EtherCAN/2 follow the instructions below.
Step Action see
page
Read the safety instructions at the beginning of this document
carefully before you start with the hardware installation! 5
DANGER
Hazardous Voltage - Risk of electric shock.
All current circuits which are connected to the device have to be
sufficiently protected against hazardous voltage (SELV according to EN
60950-1) before you start with the installation.
1. Mount and wire the EtherCAN/2 module (power supply voltage, CAN,
Ethernet). 9
2. Please remember that the CAN bus has to be terminated at both
ends. esd offers T-connectors and terminators. Additionally, the
CAN-GND-signal has to be grounded at exactl one point in the
CAN network. For details please read chapter “Correct Wiring
Electrically Isolated CAN Networks”
A CAN device with a CAN interface which is not electrically isolated
corresponds to the grounding of the CAN-GND.
57
3. Switch on the 24 V-power supply voltage of the EtherCAN/2. -
4. Assignment of a valid IP address for EtherCAN/2.
11
4a) If the current IP address is known, proceed to step 6. with the
assignment of a fixed IP address and the further configuration.
4b) If the current IP address is not known, use esdcp to detect it and
to assign a fixed IP address. For that purpose at first the host-
driver software has to be installed as described under step 5.
5. Insert the CAN-driver CD in the appropriate drive of your PC.
Install the EtherCAN/2 host-driver software from the CAN-driver CD on
your PC, as described in the manual 'NTCAN-API Part 2 Installation
Guide' [1] for the EtherCAN/2 module.
The installation will be guided by an installation program (Install Shield
Wizard). The window of the installation program depends on the
Windows operating system installed on your PC.
-
6. Configure the EtherCAN/2 via web browser. 16
Note Please note that changes of the configuration generally will not be
effective until a reboot. 42
7. Install the host-driver software now as described under step 5., if not
already done.
Configure the host-driver on the Windows PC as described in the
manual 'NTCAN-API Part 2 Installation Guide' for the EtherCAN/2
module.
-
Page 10 of 75 Hardware Manual • Doc.-No. C.2051.21 / Rev. 2.0 EtherCAN/2

Software Configuration
3 Software Configuration
The following chapter describes the configuration of the EtherCAN/2 module in two steps
1. Assignment of a valid IP address. (If not already known/reachable)
2. Configuration of the other parameters by means of a web browser. (see page 19)
The RJ45-socket has to be connected with the configuring host PC, like in later operation, via a
Twisted-Pair cable with a switch or hub or via a Cross Twisted-Pair cable. The yellow (Link) LED
has to turn on to indicate a correct connection.
3.1 Configuration of the IP Address
First a valid IP address has to be assigned to the EtherCAN/2. An IP address is an unique address
for a device, that communicates in a TCP/IP network.
For the configuration it is therefore necessary to configure an unique IP address, which is not
already assigned to another device in the network.
First configuration of the IP address
In delivery status after switching-on the EtherCAN/2 attempts to get assigned an IP address by a
DHCP-server (maximum approx. 2 min.).
In case that the DHCP-server does not assign an IP address to the EtherCAN/2, the EtherCAN/2
generates an Auto-IP address by itself in the range 169.254.X.X .
To change/determine the assigned IP address it is recommended to use the tool esdcp (see page
14).
To enable esdcp to find the device, the PC on which esdcp runs has to be at least in the same
subnet.
If esdcp finds the device, IP address and netmask have to be set like for the later use.
Then (after a Reboot of the EtherCAN/2) the EtherCAN/2 can be configured by means of a
web browser (see page 16 et seq.).
3.1.1 Configuration via DHCP
For a configuration via DHCP the DHCP-server has to be in the same subnet as the EtherCAN/2.
Before usage the DHCP-server possibly has to be configured especially. Please contact your
system administrator for this purpose.
The server assigns to the module a valid IP address, a net mask, a gateway address and the
IP address of a name server. After a successful assignment the EtherCAN/2 operates with these
values without reboot.
The IP address <IP Address> which is assigned to the device has to be detected by means of
the logging mechanisms of the DHCP-server.
Further configuration of the network parameters can now be done by means of any web browser,
that is in the same subnet, with the URL http://<IP Address>, as described in chapter “3.2 Web
based Configuration”.
NOTICE
Without further configuration a DHCP-server might possibly assign another IP address to
a device at every reboot and this only for a specific period. For the driver software on the
host-PC it is necessary, that this IP address is invariable and unchanged for the complete
period of operation. If at every reboot the same IP address shall be assigned to the
EtherCAN/2 module via DHCP, the system administrator has to ensure this.
EtherCAN/2 Hardware Manual • Doc.-No. C.2051.21 / Rev. 2.0 Page 11 of 75

Software Configuration
3.1.1.1 Using a Hostname Instead of the IP Address
The DHCP Client of the EtherCAN/2 automatically transmits the hostname configured under
Network Settings to the DHCP-Server.
This is subject to some restrictions
•In addition to the DHCP-server a DNS-server has to be available and both servers must
co-operate accordingly.
•To enable this is task of your system administrator, if necessary - further support by esd
concerning this matter is not possible.
•The choice of the hostname might be restricted depending on the system and the
DHCP-/DNS-server used E.g. usually underscores are not allowed. In a test with a DNS-
server a limitation of the length to 15 characters has been found. In another test the
hostname has only been solved correctly, if it contained the domain-suffix. (Independent of
the domain name configured!)
•Each time the EtherCAN/2 receives a new IP address from the DHCP-server, all network
connections of the EtherCAN/2 are terminated.
Thus esd recommends to use a fixed IP address instead!
Standard Hostname
If the hostname is not configured in the web-based configuration, a standard name is generated
containing the serial number.
For example for the serial number “AA001234” the hostname is Eth2-001234.
(The same applies for entering “default” for the hostname in the esdcp software.)
3.1.2 Determining IP Address via UPnP
In the state of delivery the EtherCAN/2 furthermore operates as an UPnP-device. The IP address
of the EtherCAN/2 can not be changed by this, but generally you can easily get to the web based
configuration.
Precondition for this is that UPnP is supported by the operating system used. Furthermore the
IP address used by the EtherCAN/2 must be accessible by this computer. (Firewall-settings
concerning UPnP1 might possibly have to be made.)
Example: Windows XP
Provided that UPnP is enabled, a note is shown when the EtherCAN/2 is identified
1 Standards for UPnP are already defined for the Windows-Firewall (Proceeding after Table 1 automatically
enables these). Otherwise Incoming connections on UDP Port 1900 and TCP Port 2869 have to be
permitted.
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Software Configuration
Furthermore the symbol of the EtherCAN/2 is shown in the window M Network Places
A double click on the EtherCAN/2 icon automatically opens the configuration page in the standard
web-browser.
Enable UPnP under Windows XP
1. Click Start and then click Control Panel
2. In Control Panel, double-click Add or Remove Programs.
3. Click Add/Remove Windows Components.
4. In the Components list, click Networking Services, and then click Details.
5. Select the Universal Plug and Play check box, and then click OK.
6. Click Next, and then click Finish.
Furthermore the service “SSDP-Discovery Service” has to be enabled.
(See Control Panel → Administration Tools → Services)
Reference: Microsoft (http://support.microsoft.com/kb/821371/)
Table 1: Enable UPnP under Windows XP
Example: Windows ista / Windows 7
The corresponding settings are generally enabled by default here, and the symbol of the
EtherCAN/2 is shown in the window M Network Places (without a note as in Windows XP).
A double click to the icon of the device automatically opens the configuration page in the standard
web-browser.
Additionally there is the context menu entry “Open CAN Control Panel”, which starts the
configuration software. (Also refer to the software manual 'NTCAN-API Part 2, Installation Guide'
[1])
EtherCAN/2 Hardware Manual • Doc.-No. C.2051.21 / Rev. 2.0 Page 13 of 75

Software Configuration
3.1.3 Configuration via esdcp
esdcp is a tool to find and configure esd devices with Ethernet interface in a LAN. For this a
stateless protocol – using UDP - is used.
Figure 3: esdcp - Device Configuration Tool
To be able to detect devices with Ethernet interface the PC has to be in the same subnet.
Click the button Discover to search for esd devices. The detected devices will be shown in the
Device List.
Enable the continuous search for esd devices by clicking the Check-Box  Continuous Discover .
Devices which are no longer available will not automatically be deleted from the list.
To delete the entries of the Device List click the button Clear Device List .
If no DHCP could have been been found and the EtherCAN/2 thus has got an IP address in the
range of 169.254.x.x, the PC has to be configured accordingly (only once, for the configuration of
the EtherCAN/2).
If the tool esdcp has detected the EtherCAN/2, at least IP address and subnet mask can/must be
set there. For this double click in the window Propert Editor the row IP-address to change the
IP address or the row Netmask to change the netmask.
Now you can open the input field of the selected row also by clicking the button Modify Property .
Page 14 of 75 Hardware Manual • Doc.-No. C.2051.21 / Rev. 2.0 EtherCAN/2

Software Configuration
Figure 4: Modify the IP address via esdcp
Enter the IP address in the input field in the column Configured Value.
Enter the Netmask in the same manner.
Activate the check-box  Reset Device for a reboot of the EtherCAN/2 after acknowledgement of
the entry, because the changes are not transferred until the device is rebooted.
Confirm the entry of the IP address by clicking the button Apply Changes .
After a request of the password the value entered under Configured Value will then be accepted
as current value and shown under Current Value.
The button Restore Settings deletes the entered values in the field Configured Value. The current
values remain unchanged.
The esdcp default password is esd
The password can be changed via page “Network settings” of the web-browser.
EtherCAN/2 Hardware Manual • Doc.-No. C.2051.21 / Rev. 2.0 Page 15 of 75

Software Configuration
3.2 Web Based Configuration
The EtherCAN/2 offers an integrated HTTP-Server, which allows further configuration with a web-
browser. It follows the description of the pages as they are display in the browser, see Figure 5 left.
3.2.1 Overview
A menu is shown on the left side of this program window.
In the menu item Overview the module specific details of the EtherCAN/2 are shown. Under
Gatewa details you find firmware revision, hardware revision, order number and serial number.
Under Gatewa status you find details about the CAN interface of the EtherCAN/2.
Figure 5: Overview
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Software Configuration
3.2.2 Configuration
All settings which can be made under menu item Configuration, are protected by a combination of
user name and password. The default setting at delivery is
User name
Password
esd
esd
3.2.2.1 Security
In the Securit Setup page you can change the Webserver Username and the Webserver
Password for access protection. These values will be asked for the authentication in the firmware
update as described in the following chapter.
User name and password can be adapted. Usage of special characters and space characters is
not allowed. Pay attention to case sensitivity.
Clicking the button Submit saves the changed data in a non-volatile memory of the EtherCAN/2
module. After a reboot the data will become active.
Figure 6: Enter user name and password
EtherCAN/2 Hardware Manual • Doc.-No. C.2051.21 / Rev. 2.0 Page 17 of 75

Software Configuration
3.2.2.2 Network Settings
The menu item Network Settings contains an overview of the configured values for
● TCP/IP
● SMTP
● Time Server
● SNMP
● esdcp
Figure 7: Network configuration
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Software Configuration
● TCP/IP base configuration
Figure 8: TCP/IP base configuration
Here the base TCP/IP network parameters can be configured. The current settings of the
parameters are shown in brackets.
At the first time starting up at least the subnet mask and the IP address have to be
adapted to the conditions of the network.
For the communication with other nets, e.g. to access Internet or time server, a Default
Gatewa has to be assigned.
The addresses of a nameserver and a NTP-time server can be optionally configured under
Time server configuration. They will be evaluated by the Remote Logging support (see
page 22).
Enable the check box  Use DHCP to assign IP address, gateway and subnet mask via
DHCP. This may cause problems as described in chapter ‘Configuration via DHCP’ (see
page 11).
To use the parameters above (IP address, Subnet Mask, Default Gatewa and Nameserver)
the check box must be disabled.
When the checkbox  Enable UPnP is enabled, the EtherCAN/2 also acts as an UPnP device.
This is usually only used for an easier discovering when its IP address is unknown, see
chapter “3.1.2 Determining IP Address via UPnP”.
A domain name can be entered in the input box Domain.
TCP/IP Default Parameters
At the first time starting up of the EtherCAN/2 the check box  Use DHCP is enabled. Thus
the IP address is per default assigned via the DHCP-Server.
EtherCAN/2 Hardware Manual • Doc.-No. C.2051.21 / Rev. 2.0 Page 19 of 75

Software Configuration
● SMTP configuration
Figure 9: SMTP configuration
The data such as SMTP server IP, user name, password etc. can be configured here to
forward alarms and events as email to a SMTP server.
Otherwise the configuration of these parameters is not necessary.
If the SMTP server requires a login, the method of the login can be selected under
Auth. method.
Login is selected per default.
● Time Server
Figure 10: Time server configuration
The NTP-server can be configured in this field.
For correct date and time indication a time server must be configured.
To be able to use the Remote Logging-Support these parameters have to be configured.
Without an entry in this field, the calculation of times will restart from 1970-01-01 at 00 00 a.m
with every reboot (power up) of the EtherCAN/2 module.
● SNMP
Figure 11: SNMP configuration
The SNMP configuration is disabled per default.
To use SNMP click the Check-Box  Enable SNMP.
SNMP (Simple Network Management Protocol) is a protocol to control and monitor various
network devices, e.g. router, printer etc.
The EtherCAN/2 gateway provides - besides various standard data as e.g. “Uptime” - the data
of the CAN Statistics (see page 43).
Page 20 of 75 Hardware Manual • Doc.-No. C.2051.21 / Rev. 2.0 EtherCAN/2