Ascon tecnologic DY-5121 User manual

deltadue DY-5121 Protocol Converter
ModBUS TCP/RTU WebSCADA 3
User Manual
09.06 - Code: ISTR_U_DY5121_E_03_--

Copyright © 2008, 2011 Ascon Tecnologic Srl
All rights reserved
No part of this document may be stored in a retrieval system, or transmitted in
any form, electronic or mechanical, without prior written permission of Ascon
Tecnologic Srl.
Ascon Tecnologic has used the best care and effort in preparing this manual and
believes that the information contained in this publication is accurate.
As Ascon Tecnologic continues to improve and develop products, the information
contained in this manual may also be subject to change. Ascon Tecnologic
reserves the right to change such information without notice.
Ascon Tecnologic makes no warranty of any kind, expressed or implied, with
regard to the documentation contained in this manual. Ascon Tecnologic shall
not be liable in any event - technical and publishing error or omissions - for any
incidental and consequential damages, in connection with, or arising out of the
use of this manual.
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INDEX
iii
Prerequisites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v
Updated documentation v
Using this manual vi
Current Documentation on the Internet vi
Chapter 1
About the Modbus Protocol Converter . . . . . . . . . . . . . . . . . . . 1
1-1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1-2 Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1-3 Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1-3-1 Bottom Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1-3-2 Top Terminal Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1-4 Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Chapter 2
Getting Started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2-1 Configuring the Protocol Converter . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2-1-1 The Configuration Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2-1-2 Scanning for connected devices . . . . . . . . . . . . . . . . . . . . . . 7
2-1-3 Changing IP settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2-2 Log In . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Chapter 3
Web-page overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3-1 Browser requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3-2 Menu overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3-2-1 Configuration menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3-2-2 Setup menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3-3 Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3-3-1 Modem Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3-4 Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3-5 Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3-5-1 Alarm history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3-6 Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Index (continued)
iv
Chapter 4
Module Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
4-1 Workflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
4-2 Create a template . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
4-3 Device configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
4-4 Pages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
4-4-1 Adding parameters to web-page . . . . . . . . . . . . . . . . . . . . . . 22
4-4-2 Picture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
4-4-3 Page name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
4-5 Alarm configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
4-5-1 Defining alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4-6 Log configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
4-7 Bindings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Chapter 5
Module Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
5-1 Users . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
5-2 Modbus settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
5-2-1 Internal Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
5-3 Modem settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
5-3-1 Generic modem settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
5-3-2 Dial-up/GPRS settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
5-3-3 Dial-in settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
5-4 Regional . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
5-4-1 Time and date . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
5-4-2 Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
5-4-3 Module information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
5-5 Email Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
5-5-1 SMTP Authentication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
5-6 SNMP Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
5-7 Web-server Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
5-8 Ethernet (TCP/IP) settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
5-9 System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
5-9-1 Backup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
5-9-2 Firmware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
5-9-3 Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Appendix A
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Appendix B
Internal registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Appendix C
SNMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

v
Prerequisites
Updated documentation
It is advised that you always check our Internet site (www.ascontenologic.com) for
the most current updates. Access the English version by clicking on the English
flag and choosing English site.
Select:
Download/Documentation , and fill the table with:
- Typology Manual,
- Type: User,
- Language: EN • English
- Code: DY
Click “SEARCH” and
- Download the file:Ascon_MU_DY-5121_EN_rev3.zip.
Revision list
Revision Date Author Chapter Description
1.00 4/2006 ASCON All First release
2.00 3/2007 ASCON All Second release
3.00 6/2009 ASCON All Third release

deltadue DY-5121 - User manual
vi
Using this manual
Specifications within the text of this manual are given in the International System
of Units (SI), with non SI equivalents in parentheses.
Fully Capitalized words within the text indicate markings found on the equipment.
Words in bold style within the text indicate markings found in the Configuration Tools.
Warnings, Cautions and Notes are used to emphasize critical instructions:
DANGER!
Indicates an imminently hazardous situation which, if not avoided, will result in
death or serious injury.
WARNING
Indicates a potentially hazardous situation which, if not avoided, could result in
death or serious injury.
Caution
Indicates a potentially hazardous situation which, if not avoided, may result in
minor or moderate injury, or property damage.
Note: Highlights important information about an operating procedure or the equipment.
Current Documentation on the Internet
Make sure you are always working with the latest version of this document.
WARNING
ASCON spa reserves the right to make changes to its products in the name of
technological advancement. ASCON has taken great care for the accuracy of the
contained information, but assumes no responsibility for errors.
New manual revisions, when published, and can be found online at:
http://www.ascon.it

1
Chapter 1
About the Modbus Protocol Converter
1-1 General
The protocol converter webSCADA device can be used to connect a Modbus/TCP
master to one or several Modbus/RTU slaves and also view Modbus registers on
a web-page. The module has a simple configuration interface to define which
registers will be viewed on the web-pages. It also contains an alarm-handler to
send alarms via email or SMS (requires a GSM-modem) and logging capabilities.
This application note describes how to create a configuration in the webSCADA
module; it acts as a bridge from Modbus TCP to Modbus RTU, making it possible
for a Modbus TCP based controller to connect with Modbus RTU based devices.
The webSCADA is a device designed that is not only to provide the bridging
function, but to also handle alarm management, data-logging as well as providing
a web-based user interface for accessing data.
The protocol converter Modbus TCP/RTU supports an RS-232 connection through
a 9-pole DSUB and RS-232 or RS-485 through the screw terminals. It also
supports 10/100Mbps Ethernet through a standard Ethernet connector (RJ-45).
It can be configured via a user-friendly web-interface or by using the Config utility.
Note: The Physical serial interface enabled can be changed through the Holding
register no. 30 (Physical interface). See Appendix B - Internal registers for
details.

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2
1-2 Mounting
A - Sanp ON B - Snap OFF
1. Snap the device on the DIN-rail (as described in picture A above).
2. Connect the Ethernet cable to the RJ45 connector.
3. Connect the ModbusRTU network to the DSUB connector (RS-232) or the
6-pole RJ12 connector (RS-485).
4. Connect the Power Supply and apply power.
5. Now you can start using the Protocol converter. Use the “
DY-5xx1 Config
Utility
” to configure the IP address and other network settings.
See 2-1 - Configuring the Protocol Converter for further information.
Note: The default IP address of the webSCADA Protocol converter is 10.200.1.1.
Please change this IP-address to a valid address in your network.
Also, make sure not to power up more than one network attached Protocol
converter before IP-address is changed or DHCP enabled.

Chapter 1 - About the Modbus Protocol Converter
3
1-3 Connectors
1-3-1 Bottom Connectors
ModbusRTU
interface
and RS-232
The 9-pole DSUB, male connector on the device contains an RS-232 interface.
This port can be used to connect any equipment with an RS-232 interface.
Ethernet
interface
The Ethernet interface supports 10/100 Mbps, by using a standard RJ-45
connector.
Position Description
1 Serial interface 9-pin DSUB RS-232
2 Ethernet interface, RJ-45 10/100 Mbps
Ethernet interface
(RJ-45, 10/100Mbps)
Aspect Pin no. Signal
1 CD (Carrier Detect)
2 Rx (Receive)
3 Tx (Transmit)
4 DTR (Data Terminal Ready)
5GND
6 DSR (Data Set Ready)
7 DSR (Data Set Ready)
8 CTS (Clear To Send)
9 RI (Ring Indicator)
15
69
Male
Connector
Serial interface
(DSUB-9, RS-232)

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4
1-3-2 Top Terminal Block
At the top of the Protocol Converter there is a screw terminal block that is used for
power supply and communication interfaces.
Power supply
terminals
The Protocol Converter can be powered by a 9...28Vdc supply (power
requirement 2W) and should be connected as shown in the picture.
The following pins on the top terminal block are used for power supply:
Power
supply
Serial
communications
terminals
Digital I/O
terminals
AC
AC
24 Vac
24 Vac
Vin +
Vin -
Line
voltage
Power
supply Protocol converter
AC 24 Vac
24 Vac
Vin +
Vin -
Line
voltage
Power
supply Protocol
converter
Hearth
ground
Hearth
ground
A
c
ground
24 Va
Pin no. Description
23 Vin (Ground connection)
24 Vin +

Chapter 1 - About the Modbus Protocol Converter
5
Digital inputs
terminals
The digital inputs are opto-isolated and are found at the top terminal block with
following pin numbers:
The voltage levels for the logic states are:
The status of the inputs can be read as Internal Registers.
The internal registers can be read from an external device if the gateway
functionality is enabled. See paragraph - Ethernet Settings (Modbus TCP) at
page 30 for more information.
RS-485
interface
terminals
The following pins on the top terminal block are used for the RS-485 interface:
Normal wiring diagram Modbus terminal A and B.
Note: The RS-485 interface can not be used at the same time as the terminal block
interfaced RS-232.
RS232
iterface
terminals
The following pins on the top terminal block are used for the RS-232 interface:
Note: The RS-232 interface can not be used at the same time as the RS-485 interface.
Pin no. Description
20 Digital Input Common
21 Digital Input 1 +
22 Digital Input 2 +
Logic state Description
High 10...24 V
Low 0...2 V
PIN no. Description
13 RS-485 Line B
14 RS-485 Line A
15 Common
A
B
A
B
Modbus
device
Protocol
converter
PIN no. Description
15 Common
16 RS-232 Transmit (Ouput)
17 RS-232 Receive (Input)

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6
1-4 Indicators
The LED indicators on the front panel of the Protocol Converter have the
following meanings:
Name Colour Meaning
Module status
●OFF No power
●Green Module is running in normal mode
●Orange During boot-up
●Flashing orange Error during initialization
Serial Link Status ●Flashing green Serial Packet, receiving
●Flashing red Serial Packet, transmitting
●Orange During boot-up
Activity/Collisions ●Flashing green Ethernet Packet, receiving
●Flashing red Ethernet Collision detected
Link ●OFF No Ethernet Link detected
●Green Ethernet network detected, 10 Mbps
●Orange Ethernet network detected, 100 Mbps

7
Chapter 2
Getting Started
2-1 Configuring the Protocol Converter
2-1-1 The Configuration Utility
The Config utility is a PC-based configuration utility to set TCP/IP network settings
in the device. This utility has the ability to scan the Ethernet network to find the
connected devices and let the user set IP-address, net mask, protocol converter,
DNS and hostname for each unit.
Installation System Requirements
• Pentium 133 MHz or higher;
• 5 Mbytes of free space on the hard drive;
• Win 95/98/ME/NT/2000/XP;
• Network Interface Card (Ethernet).
Installation Procedure
Download the program: Ascon_SW_DY-5xx1_Config.zip from the site
www.ascon.it (section download/software). Install and run it.
Note: The first time you enter the Software Download area, you need to register
yourself, by clicking on the register button.
2-1-2 Scanning for connected devices
First ensure that you have connected the devices you want to install on the same
Ethernet network as the PC is connected to. Use standard Ethernet cables,
straight-through or crossover cable depending on how you connect to the device.
See pictures below for details.
Connecting the device to a hub or Switch

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8
Connecting the device directly to a PC
When the Config utility is started, it will scan the Ethernet network to find the con-
nected devices. All detected devices will be presented in a list in the main window.
If you want to force a new scan for devices, you can press the “
Scan ” button.
IP: The IP address of the device;
SN: The subnet mask;
GW: The default protocol converter;
DHCP: Dynamically assigned IP address ON/OFF;
Version: Firmware version;
Type: Product type (DY WebServer);
MAC: The Ethernet MAC address.
Note: Use the “Advanced Options” button to enable the Config DHCP Server.
This is useful when you have set DHCP to “On” in the device, but do not have a
DHCP-server available on the network.
2-1-3 Changing IP settings
To change the IP settings on a detected device, double-click on the device you
want to configure in the list of devices. This will open up a dialog where you can
enter the desired IP configuration.
To obtain the necessary information about IP address, subnet mask etc. please
contact your network administrator.

Chapter 2 - Getting Started
9
WARNING
Do not set DHCP to “ON” if you do not have a DHCP-Server available on the
network.
Host Name: Here you can enter a hostname of your device (optional).
IP Address: The IP address of the device.
Netmask: The subnet mask
Protocol converter: The default protocol converter
Primary DNS: The primary Domain Name Server (optional)
Secondary DNS: The secondary Domain Name Server (optional)
The default password for authentication of the new settings is “admin”.
Pressing “Set“ will cause the device to reboot and after that the new settings will
be enabled.
Note: You can test the new settings by opening a web-browser and enter the IP
assigned to the device. If you selected DHCP and want to know what IP your
device have been assigned, you can do a new scan with the Config utility to view
the new network configuration information.

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10
2-2 Log In
Open a web browser (Internet Explorer for example) and enter the IP address you
have set on the unit with the Config utility. For example, if you entered the
address 10.200.1.1 then you should enter the text below in the address field of the
browser and press enter.
http://10.200.1.1
Now you should see the login screen:
To be able to configure the Protocol converter you should enter “admin” in the
user-name box. The default password is “admin”.
You can later change the default password to something else (recommended).
This will be described in the section “Users”.
Note: If you have problems to log in and you are sure that your password is correct,
make sure that
Caps Lock is not enabled on your keyboard.

11
Chapter 3
Web-page overview
3-1 Browser requirements
The web-pages are optimized for Internet Explorer 6.0 and Mozilla Firefox.
Other browsers can work as well, but the web-pages might appear differently.
The browser must be JAVA enabled to use pages with JAVA content (like the
graph page). If it iss not, please visit www.java.com to download a JAVA-plugin
for your browser.
The picture below shows the welcome screen which is shown when you first log
into the module.
3-2 Menu overview
To navigate on the web-pages, use the menu items available:
Select Page, Status, Devices, Alarm, Log, Configuration and Setup.
Log out button
Menu items

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12
3-2-1 Configuration menu
When you choose the Configuration menu, a sub menu will appear.
• The “Templates” configuration sub-menu will be used to create, edit and
backup templates for your devices.
• On the “Devices” screen you define the devices which you connect to the
webSCADA.
• The “Pages” screen you create and edit the structure of the presentation
web-pages and also select parameters to be presented.
• On the “Alarm” screen can be used to enable/disable SMS/Email/SNMP
alarms, and also to create and modify alarm parameters.
• On the “Log” configuration screen it's possible to configure the behaviour
of the log-file, and also create/modify log-parameters.
• The “Bindings” configuration screen makes it possible to enable
automatic parameter “
copying ” from one Modbus slave to another at a
configurable interval.
3-2-2 Setup menu
When you choose the Setup menu, a sub menu will appear:
• The “Users” screen is where all things related to user management are
handled.
• The “Modbus” screen handles all ModbusRTU and ModbusTCP configu-
ration.
• The “Modem” screen handles all modem configurations (Analogue,
GSM, GPRS, dial-up, dial-in).
• The “Regional” settings screen configures things like date/time and
generic module information.
• The “E-mail” screen configures all that is needed to send emails from the
webSCADA.
• The “SNMP” screen makes it possible to configure SNMP trap properties.
• The “Webserver” screen can be used to define which port the web-
SCADA web-server should use.
• The “Ethernet” screen handles all TCP/IP configurations, like IP-
address, DHCP, DNS etc.
• The “System” entry recalls the System menu in which
Backup , Firmware ,
Tools and Remote managment can be set.

Chapter 3 - Web-page overview
13
3-3 Status
This page shows some status information about the Modbus interface. The status
is split into two columns, “Transparent queries” and “Internal queries”. The
Transparent fields shows information about requests that originate from a
ModbusTCP master attached to the protocol converter, and the Internal fields
shows information about requests that originate from either Internal applications
(Log/Alarm) and WebPages.
Number of connections - Indicates the number of open connections to a Modbus
TCP master. Internal queries indicate number of pending queries from WebPages
+ the internal connection from (Alarm/Log) application.
Valid Responses - Counts valid responses from the Modbus/RTU slaves.
Serial Timeouts - The number of time-outs from attached slaves.
CRC Errors - The number of CRC errors on incoming Modbus/RTU responses.
Buffer Overruns - If an incoming Modbus/RTU response is larger than 300 bytes,
this will cause the input buffer to overflow.
Frame Errors - If an incoming Modbus/RTU response has incorrect length or
some other fault in the frame, this will cause a Frame Error.
Exception Responses - Counts all exception responses from the connected
Modbus/RTU slaves.
3-3-1 Modem Status
The modem status field gives information about what state an attached modem is in.
Connecting to Internet - Calling Internet Service Provider and negotiate for a
connection.
Waiting for incoming connection - The unit is waiting for an incoming call.
Waiting for Event/Alarm - The unit is in standby mode, and when an alarm or
event appear it will connect to Internet.
Connection established - A connection to Internet is established and data will be sent.
Incoming connection is in progress - There is an incoming call and correct
baud rate, username and password is being verified.
Modem Dial In/Dial Out disabled - Not possible to connect using the modem.

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14
3-4 Devices
The Devices menu item is a browser that can browse all parameter in a template
for a device and show current values.
The page shows a list of all available Modbus devices. A tree with all groups will
show when expanding the tree. Open a group by clicking on the group name to
see values for each parameter.
The Internal Registers will also be available to browse.
3-5 Alarm
The Alarm page shows all active and unacknowledged alarms. It is also possible
to select to view the status of all configured alarms. Use the button in the lower
left area of the screen to toggle between the two modes.