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DCB EtherSeries EDNP-3 User Manual

Dnp-3 gateway
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EtherSeries
DNP-3 Gateway
EDNP-3
User's Guide
Revised January 16, 2008
Firmware Version 3.x

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Summary of Contents for DCB EtherSeries EDNP-3

  • Page 1 EtherSeries DNP-3 Gateway EDNP-3 User’s Guide Revised January 16, 2008 Firmware Version 3.x...

  • Page 3: Fcc Statement

    FCC Statement This device complies with the limits for a Class B digital device, pursuant to Part 15 of the FCC rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference. (2) This device must accept any interference received, including interference that may cause undesired operation.

  • Page 5: Table Of Contents

    ABLE OF ONTENTS Chapter 1 Introduction.............. 1 EtherSeries EDNP-3 Functions........2 Other Features.............. 2 Physical Details............3 Configuration Switch ..........4 LED Indicators............4 Software Requirements..........5 Chapter 2 Installation..............7 Overview..............7 Quick Start..............7 Installation..............8 Chapter 3 Terminal/Telnet Configuration............9 Overview..............
  • Page 6 Main Menu Option 1. Setting IP Addresses..........14 Main Menu Option 2. Set Manager/Telnet IP Address......16 Main Menu Options 3 & 4. Serial Port Configuration........17 Main Menu Option 5. DNP LAN Configuration ........19 Main Menu Option 6. DNP Serial Configuration........20 Main Menu Option 7.
  • Page 7 Introduction SNMP Configuration Screen....... 35 Configuration Summary Screen......36 Port Activity Screen..........37 Chapter 5 Operation..............39 Operation ..............39 Chapter 6..............40 Configuration Security........... 40 Overview..............40 Level 0: ..............41 Level 1:...............42 Level 2:...............42 Level 3:...............42 Chapter 7 Troubleshooting............45 Hardware Problems............ 45 Can't Connect via the LAN.........46 Other Problems............48 Verify Proper Operation..........49...
  • Page 8 Appendix B RS-422/ RS-485 Interface........57 Introduction..............57 Changing the Setting..........57 RS-422 / 4-Wire RS-485 Interface Pinout....58 2-Wire RS-485 Interface Pinout.........59 RS-485 2-wire Fan-out..........59...
  • Page 9 Introduction...

  • Page 11: Chapter 1 Introduction

    Chapter 1 Introduction This chapter provides an overview of the features and capabilities. ongratulations on the purchase of your new EtherSeries DNP-3 Ethernet Gateway. Interfaces include one 10/100BaseT ethernet interface and two RS-232/422/485 serial9-pin interfaces. A version is also available with two opto-isolated RS-422/485 interfaces.

  • Page 12: Etherseries Ednp-3 Functions

    EtherSeries DNP- 3 Gateway User’s Guide EtherSeries EDNP-3 Functions The gateway allows serial DNP-3 RTUs to communicate and interoperate with DNP-3/IP (either TCP or UDP) based controllers. The DNP-3 standard protocol is an asynchronous protocol designed to connect directly to computer asynchronous ports.

  • Page 13: Physical Details

    Introduction Physical Details The EDNP-3 front panel is shown below. EtherSeries EDNP-3 without and with Opto-isolation Power port Connect the power adapter here. Connect LAN cabling here. 10/100Base-T port RUN LED RUN Indicator LAN LED LAN Indicator. COM1 Tx Serial Port Transmit Indicator...

  • Page 14: Configuration Switch

    EtherSeries DNP- 3 Gateway User’s Guide Configuration Switch There is a momentary action push button switch on the reart of the unit behind a small hole. Pressing this switch places the unit in configuration mode and is used only when configuring the unit via the serial port, as explained in Chapter 3 - Configuration.

  • Page 15: Software Requirements

    Introduction Package Contents You should find the following items packaged with your EtherSeries product: • The EtherSeries Unit • Power Adapter (or power supply) • This User’s Guide If any of the above are missing, contact your dealer immediately. Software Requirements The EDNP-3 supports DNP-3 (either TCP or UDP) on the Ethernet interface and DNP-3 serial protocol on the serial ports.
  • Page 16 EtherSeries DNP- 3 Gateway User’s Guide...

  • Page 17: Chapter 2 Installation

    Chapter 2 Installation This Chapter details the LAN installation process for the EtherSeries product. Overview The EtherSeries products may be configured via a serial port, telnet, or web browser. Initially, the configuration of an IP address must be performed using the serial port unless the default IP address of 192.168.1.1 is appropriate for your Ethernet network.

  • Page 18: Installation

    EtherSeries DNP- 3 Gateway User’s Guide Installation 1. Connect the Network Cable The EtherSeries network interface is auto-sensing. Simply connect your network cable to the appropriate connector on the rear panel. If you wish to configure ethenet options, that may be performed later. 2.

  • Page 19: Terminal/Telnet Configuration

    Configuration Chapter 3 Terminal/Telnet Configuration This Chapter describes how to manage the EtherSeries product using Terminal, or Telnet mode. Web Browser mode management is detailed in Chapter 4. Overview The EtherSeries unit may be managed using any of the following methods: •...

  • Page 20: Terminal Configuration

    EtherSeries DNP- 3 Gateway User’s Guide Terminal Configuration Terminal configuration requires the following: • PC with terminal emulation program, or a dumb terminal. • Serial cable to connect the PC to the unit. See the Appendix for cable requirements. A Crossover (null modem) cable is required when using a 9-pin PC port.

  • Page 21: Telnet Management

    Configuration 6. The configuration program should now start and after a few seconds display a sign-on screen. If nothing appears on your screen, press ESC. Refer to the Terminal/Telnet Interface chapter for details on using the configuration program. Telnet Management NOTE: To use telnet, there MUST be compatible IP addresses in both the PC and the unit! 1.
  • Page 22 EtherSeries DNP- 3 Gateway User’s Guide Address and Network Mask. If your PC is NOT using an IP Address within the range 192.168.1.2 to 192.168.1.254, with a Network Mask of 255.255.255.0, then it will not connect to the default IP address. 3.

  • Page 23: Terminal/Telnet Interface

    Configuration Terminal/Telnet Interface The banner screen displays the version number. DNP Server Gateway V3.0 -------------------------------- Device Name: GW00479E Physical Location: Head Office Configuration setup. [Press any key to continue] Pressing any key will then take you to the Main Menu. Main Menu ------------------------------------------ Set Local IP Address,...

  • Page 24: Entering Data

    EtherSeries DNP- 3 Gateway User’s Guide Entering Data Enter the number of the field you wish to change, followed (on the same line) by a space and the data for that field. Example On screen one, to set the IP address (field 1) to 192.168.1.10 =>1 192.168.1.10 Menu Options Main Menu Option 1.
  • Page 25 Configuration 1. Local IP Address The IP address of this unit on your LAN. The default IP Address is 192.168.1.1 2. Subnet Mask The network mask indicates what class of TCP/IP network you have. The default value is for a class “C” network, with up to 255 users.

  • Page 26: Main Menu Option 2. Set Manager/Telnet Ip Address

    EtherSeries DNP- 3 Gateway User’s Guide Main Menu Option 2. Set Manager/Telnet IP Address Selecting (2) from the Main Menu will result in the following screen. Caution! If these addresses are set, only those nodes will be allowed to configure the unit. MANAGER CONFIGURATION: Entry Manager_IP_Addr...

  • Page 27: Main Menu Options 3 & 4. Serial Port Configuration

    Configuration Main Menu Options 3 & 4. Serial Port Configuration Selecting (3) from the Main Menu will result in the following screen for port 1. Selecting (4) from the Main Menu will result in a similar screen for port 2. PORT 1 CONFIGURATION: Baud Rate: 9600 RS485:...
  • Page 28 EtherSeries DNP- 3 Gateway User’s Guide Tx Delay after RTS Active This parameter sets the minimum amount of time to delay after asserting RTS before sending data. Set to a value between 1 and 5000 msec (5 seconds).

  • Page 29: Main Menu Option 5. Dnp Lan Configuration

    Configuration Main Menu Option 5. DNP LAN Configuration Selecting (5) from the Main Menu will result in the following screen: DNP LAN CONFIGURATION: LAN Protocol: TCP TCP/UDP Port: 19968 TCP Connection Timeout: 120 seconds SET DNP LAN CONFIGURATION: LAN Protocol [0=TCP, 1=UDP] TCP/UDP Port [0 - 65535] TCP Connection Timeout [10 - 3600 seconds] -- Return to previous menu...

  • Page 30: Main Menu Option 6. Dnp Serial Configuration

    EtherSeries DNP- 3 Gateway User’s Guide Main Menu Option 6. DNP Serial Configuration Selecting (6) from the Main Menu will result in the following screen: DNP SERIAL CONFIGURATION: Port 1 DNP Address Low: 256 (0100 hex) Port 1 DNP Address High: 65527 (FFF7 hex) Port 2 DNP Address Low: 256 (0100 hex)

  • Page 31: Main Menu Option 7. Security Configuration

    Configuration Main Menu Option 7. Security Configuration Selecting (7) from the Main Menu will result in the following screen: SECURITY CONFIGURATION: Web Configuration: ENABLED Telnet Configuration: ENABLED SNMP Agent: ENABLED Index UserName Password ----- -------- -------- SET SECURITY CONFIGURATION: Disable Web Configuration [0=ENABLED, 1=DISABLED] Disable Telnet Configuration [0=ENABLED, 1=DISABLED] Disable SNMP Agent [0=ENABLED, 1=DISABLED]...
  • Page 32 EtherSeries DNP- 3 Gateway User’s Guide A full description of the configuration security options is presented in Chapter 7 and should be fully understood before implementation on an insecure network. In this section, the following options are configured: Web Configuration The ability to configure the gateway using a web browser may be enabled or disabled.

  • Page 33: Main Menu Option 8. Snmp Configuration

    These values have no effect on the functional operation of the unit. Other standard MIB values are returned to the SNMP manager along with this information. The gateway may not be remotely configured using SNMP. The MIB file is available from the DCB website.

  • Page 34: Main Menu Option 9. Display Configuration Settings

    EtherSeries DNP- 3 Gateway User’s Guide Main Menu Option 9. Display Configuration Settings Selecting (9) from the Main Menu will display the following information: DNP Server Gateway: V1.0 LOCAL UNIT CONFIGURATION: Local Address: 205.166.54.137 Serial NO: 00:60:E9:00:47:9E Gateway Address: (NOT SET) Subnet Mask: 255.255.255.0 IP Fragmentation: ALLOWED...
  • Page 35 Configuration PORT 1 CONFIGURATION: Baud Rate: 9600 RS485: 4-wire [RS232 selected] TX Delay after RTS Active: 0 ms PORT 2 CONFIGURATION: Baud Rate: 9600 RS485: 4-wire TX Delay after RTS Active: 0 ms [Press any key to continue] DNP LAN CONFIGURATION: LAN Protocol: TCP TCP/UDP Port: 19968 TCP Connection Timeout: 120 seconds...

  • Page 36: Main Menu Option R. Reset Configuration To Default

    EtherSeries DNP- 3 Gateway User’s Guide Port packets rcvd: Port Receive errors: Dest addr errors: Source addr errors: TCP Host List [Press any key to continue] This option displays the configuration and some operational counters. A list of TCP hosts recently contacted is also included.

  • Page 37: Main Menu Option S. Save And Exit

    Configuration Main Menu Option S. Save and Exit Selecting (S) from the Main Menu will store the configuration details in the gateway and exit the configuration program. If using Telnet, the connection will be lost when rebooting. If you have changed the IP Address, you must use the new IP Address when you reconnect.
  • Page 38 EtherSeries DNP- 3 Gateway User’s Guide...

  • Page 39: Chapter 4 Browser Management

    Chapter 4 Browser Management This Chapter describes how to manage the EtherSeries Gateway using a Web Browser. Overview This method uses your Web Browser to manage the gateway. This provides a more user-friendly interface than the Telnet/Terminal method. • The unit must be installed in your LAN and have a compatible IP address before this configuration method can be used.
  • Page 40 Etherseries DNP- 3 Gateway User’s Guide 2. Start your Web browser. 3. In the Address box of your browser, enter the following: http://IP_Address (IP_Address is the IP address of the gateway) For example, if the default IP address has not been changed, then you would enter the command: http://192.168.1.1 If you can't connect...

  • Page 41: Web-Based Interface

    Configuration Web-based Interface The first screen is similar to Figure 2. Figure 1: Sign on Screen • Use the menu bar on the left to navigate to the desired screen. • On-line help is available on each screen. • Each screen is explained in the following sections. •...

  • Page 42: Serial Port Configuration Screen

    Etherseries DNP- 3 Gateway User’s Guide Serial Port Configuration Screen Figure 2: Serial Configuration Screen This screen allows you to configure the Serial Ports one and two. The settings used should match the device connected to this serial port. See Chapter 3 for details on these settings. There will be one screen for each serial port.

  • Page 43: Dnp-3 Configuration Screen

    Configuration DNP-3 Configuration Screen Figure 3:DNP Configuration This screen is used to configure all DNP parameters.

  • Page 44: Lan Configuration Screen

    Etherseries DNP- 3 Gateway User’s Guide LAN Configuration Screen Figure 4: LAN Configuration Screen This screen is used to configure the LAN parameters. See Chapter 3 for details.

  • Page 45: Snmp Configuration Screen

    Configuration SNMP Configuration Screen Figure 5: SNMP Configuration Screen Overview This screen may be ignored if SNMP is not used. The text fields, commonly used in SNMP (Simple Network Management Protocol) Programs to identify this device when browsing the network, are required for SNMP operation. The community name should be changed from the default.

  • Page 46: Configuration Summary Screen

    Etherseries DNP- 3 Gateway User’s Guide Configuration Summary Screen Figure 6: Configuration Summary Screen (Top portion shown) Operation • This screen displays all current settings for this gateway. • Clicking the "Set to Defaults" button will restore ALL values to their factory default values. When this is done, the unit will reboot, and the existing connection will be lost.

  • Page 47: Port Activity Screen

    Configuration Port Activity Screen Figure 7: Port Activity Screen Operation • This screen displays all current activity for the LAN port and both serial ports. • Values are described in Chapter 3.
  • Page 48 Etherseries DNP- 3 Gateway User’s Guide...

  • Page 49: Chapter 5 Operation

    Configuration Chapter 5 Operation This Chapter explains how to use the EtherSeries gateway, once it is installed and configured. Operation The gateway allows serial DNP-3 RTUs to communicate and interoperate with DNP-3 UDP/TCP based controllers. The DNP-3 standard protocol is an asynchronous protocol designed to connect directly to computer asynchronous ports.

  • Page 50: Chapter 6

    Chapter 6 Configuration Security This section discusses configuration options that restrict configuration. Overview The gateway uses the industry standard IP protocols. Since IP is a well-known standard, its security vulnerabilities are also well known and may be exploited. Several gateway options are available to enhance the inherent security of your network.

  • Page 51: Level 0

    Security restricts configuration to workstations claiming to be from one of four IP addresses previously stored in the gateway. Either web-based or telnet configuration is allowed. Level 2 disables remote configuration using web browser, telnet, or SNMP in any combination. Level 3 requires a user name and password for remote configuration.

  • Page 52: Level 1

    Etherseries DNP- 3 Gateway User’s Guide Level 1: Using any configuration method, configure Administrator Access IP addresses. Enter the IP addresses that should have the ability to change the gateway configuration. If configuring this remotely, insure that the workstation you are using is one of the valid addresses.
  • Page 53 Security change the other user names and passwords. The other two user ID's are limited to only changing their own user name and password. All users may modify any other system parameters. The serial interface is not subjected to user login since it requires physical access to the unit.

  • Page 55: Chapter 7 Troubleshooting

    Troubleshooting Chapter 7 Troubleshooting This chapter outlines some problems that may occur during installation or operation and some possible solutions to them. If you follow the suggested troubleshooting steps and the EtherSeries gateway still does not function properly, please contact your dealer for further advice. Hardware Problems Before anything else, check that all cables are wired correctly and properly connected.

  • Page 56: Can't Connect Via The Lan

    Etherseries DNP- 3 Gateway User’s Guide Can't Connect via the LAN P: Can't connect to the gateway using Telnet or Web Browser. S: Check the following: • Start troubleshooting from a known state. Power the unit OFF and ON to reboot. •...
  • Page 57 Troubleshooting • In some cases, “smart” hubs and switches must be power-cycled to clear their internal arp cache. This is often a problem on test bench setups where IP addresses are moved between different equipment or a unit is moved between ethernet switch receptacles.

  • Page 58: Other Problems

    Etherseries DNP- 3 Gateway User’s Guide Other Problems P: Can’t run the configuration program using a serial cable connection. S: Check that: • The communication parameters are set properly. • Disconnect and reconnect the power supply. • Power is available... a LED is on. •...

  • Page 59: Verify Proper Operation

    Troubleshooting Verify Proper Operation Once the gateway is installed on your Network, verify proper operation by testing its functionality. SCADA networks vary greatly, so there is no simple way to describe testing all possibilities. Use a scientific method and keep careful records of all installation and troubleshooting steps.
  • Page 60 Etherseries DNP- 3 Gateway User’s Guide...

  • Page 61: Appendix A Specifications

    Appendix A Specifications EtherSeries Gateway Specifications • Flash Memory: 512 Kbytes • SRAM: 512 Kbytes • EEPROM: 512 Bytes • LAN Buffer: 2 Kbytes • RS-232 Buffer: 4 Kbytes • RS-232/485: two male DE-9 connectors (PC DB-9) • RS-485 Isolated: two screw terminals •...

  • Page 62: Rs-232 Pin Assignments

    Etherseries DNP- 3 Gateway User’s Guide RS-232 PIN Assignments The EtherSeries RS-232 port wiring is identical to a standard PC 9 pin DE-9P COM: port. It operates as a DTE device. The chart below details signal directions and names. Serial Port Pin Assignments Signal Name Type Carrier Detect (CD)

  • Page 63: Control Signal Operation

    Specifications Control Signal Operation Input, ignored Receive Data Input, data into the unit Transmit Data Output, Data from the unit. The Etherseries unit only transmits when it has characters to send, and if handshaking is enabled, when the CTS input is asserted. Output.
  • Page 64 Etherseries DNP- 3 Gateway User’s Guide Ring Indicator Not used...

  • Page 65: Cables

    This null-modem crossover cable is easily made by combining two “PC-Direct” adapter hoods with a mux-mux crossover cable from DCB. This cable is used for configuration and is available from your dealer. This is commonly called a "PC-to- PC null modem cable".
  • Page 66 Etherseries DNP- 3 Gateway User’s Guide...

  • Page 67: Rs-422/ Rs-485 Interface

    Specifications Appendix B RS-422/ RS-485 Interface This Appendix describes the RS-422/485 interface. This interface option may be selected during configuration in the field. Introduction The 9-pin serial connector may be used for either RS-232, RS- 422 (4-wire RS-485 point-to-point), or 2-wire RS-485 operation by changing software configuration settings on the Configure Port screens..

  • Page 68: Rs-422 / 4-Wire Rs-485 Interface Pinout

    Etherseries DNP- 3 Gateway User’s Guide RS-422 / 4-Wire RS-485 Interface Pinout Serial Port Pin Assignments Signal Name Type No Connection Transmit Data (TX+) Receive Data (Rx+) No Connection Signal Ground (GND) No Connection Receive Data (Rx-) Transmit Data (Tx-) No Connection...

  • Page 69: 2-Wire Rs-485 Interface Pinout

    Specifications 2-Wire RS-485 Interface Pinout Serial Port Pin Assignments Signal Name Type No Connection No Connection Data + In/Out No Connection Signal Ground (GND) No Connection Data - In/Out No Connection No Connection RS-485 2-wire Fan-out Since this unit is most often used as an RS-485 2-wire end- point, it will support 32 devices on the RS-485 line.
  • Page 70 Etherseries DNP- 3 Gateway User’s Guide RS-422 / 4-Wire RS-485 Interface Pinout With Optical Isolation There is a RS-485/422 only model with optical isolation. This unit does not include RS-232 ports. The Optical Isolated version uses screw terminal connectors. Serial Port Pin Assignments Signal Name Type Transmit Data (TX+)

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