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EtherSeries EMB-02 User’s Guide

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Summary of Contents for Ether Series

Page 1: ...Revised March 25 2004 Firmware Version 1 4 EtherSeries Modbus Gateway EMB 2 User s Guide...

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Page 3: ...2 This device must accept any interference received including interference that may cause undesired operation CE Marking Warning This is a class B product In a domestic environment this product may c...

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Page 5: ...are Requirements 7 Chapter 2 Installation 9 Overview 9 Quick Start 9 Installation 10 Chapter 3 Terminal Telnet Configuration 11 Overview 11 Terminal Configuration 12 Procedure 12 Telnet Management 13...

Page 6: ...n Menu Option 9 Save and Exit 30 Main Menu Option 0 Exit without Saving 30 Chapter 4 Browser Management 31 Overview 31 Connection Procedure 31 Web based Interface 33 Serial Port Configuration Screen 3...

Page 7: ...ns 47 EtherSeries Gateway Specifications 47 RS 232 PIN Assignments 48 Control Signal Operation 49 CABLES 51 Appendix B RS 422 RS 485 Interface 53 Introduction 53 Changing the Setting 53 RS 422 4 Wire...

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Page 9: ...s protocol designed to connect directly to computer asynchronous ports MODBUS has been extended to operate over Ethernet using the IP protocol suite This gateway converts between the MODBUS TCP IP pro...

Page 10: ...BUS has been extended to operate over Ethernet using the IP protocol suite This gateway converts between the MODBUS TCP IP protocol and MOBUS ASCII RTU protocols transparently The EMB 02 enables one o...

Page 11: ...ware Firmware upgrades are downloadable to the gateway The utility program required for this and the actual firmware upgrades are available from your dealer A Windows 95 98 XP NT workstation is requir...

Page 12: ...nel is shown below Figure 1 EtherSeries EMB 02 1 Power port Connect the power adapter here 2 10 100Base T port Connect LAN cabling here 3 Red LED RUN Indicator 4 Red LED LAN Indicator 5 RS 232 Port 1...

Page 13: ...s 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 Return from configuration mode by exiting the conf...

Page 14: ...s The LAN LED is the Ethernet Status indicator It is lit when there is a valid 10 100BaseT Ethernet connection This LED flickers off and on with activity on the Ethernet even if the activity isn t dir...

Page 15: ...CP on the Ethernet interface and MODBUS ASCII and MODBUS RTU on the serial ports It may be configured using any terminal or terminal emulation software on a PC via serial port one Any standard telnet...

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Page 17: ...f 192 168 1 1 is appropriate for your Ethernet network To use LAN based configuration either Telnet or Web Browser based an IP address must be configured The default value of 192 168 1 1 may not work...

Page 18: ...screw terminal block 3 Configure an IP Address Information Using either the default address and telnet or a web browser OR using a serial port and a terminal emulation configure the IP and Modbus TCP...

Page 19: ...following methods Web Browser After installing the unit in your LAN use your Web Browser for management See Chapter 4 Browser Configuration for details Terminal Mode Use a serial cable connection and...

Page 20: ...n RS 232 port This is the factory default configuration Procedure 1 Connect the unit to your PC or terminal 2 Connect the unit to the power supply 3 Press the configuration setup switch momentarily It...

Page 21: ...apter 2 Ensure that the unit is powered on 2 Connect to it with the telnet program on your workstation A typical command is telnet IP_Address 8000 Where IP_Address is the IP address of the unit 8000 i...

Page 22: ...the IP 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 add...

Page 23: ...ill then take you to the Main Menu Main Menu 1 Set Local IP Address Subnet Mask and Gateway Address 2 Set Manager Telnet IP Address 3 Serial Port 1 Configuration 4 Serial Port 2 Configuration 5 Modbus...

Page 24: ...IP Addresses Selecting 1 1 Local IP Address from the Main Menu will result in a screen which is similar to the following Choose a Number LOCAL UNIT CONFIGURATION Local Address 205 166 54 141 Serial NO...

Page 25: ...e 3 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 This value should work in small networks If in doubt co...

Page 26: ...esult in the following screen Caution If these addresses are set only those nodes will be allowed to configure the unit ANAGER CONFIGURATION Entry Manager_IP_Addr 1 0 0 0 0 2 0 0 0 0 3 0 0 0 0 4 0 0 0...

Page 27: ...the table cannot be edited but commands are provided to insert SET and delete CLEAR entries Main Menu Options 3 4 Serial Port Configuration Selecting 3 from the Main Menu will result in the following...

Page 28: ...0 5000 ms 0 Return to previous menu EXAMPLE To set the baud rate to 19200 1 4 Enter Command This screen configures the settings for the serial ports The settings used should match the device connecte...

Page 29: ...minimum amount of time to delay after asserting RTS before checking the state of CTS Set to a value between 0 and 5000 msec 5 seconds Wait CTS Active This parameter sets the maximum amount of time to...

Page 30: ...EtherSeries EMB 02 User s Guide 22...

Page 31: ...ave Address 0 Broadcast Fixed Slave Address 0 SET MODBUS TCP CONFIGURATION 1 TCP Port 2 Connection Timeout 10 3600 seconds 3 Return Modbus TCP Exceptions 0 no 1 yes 4 Discard Multiple Polls 0 no 1 yes...

Page 32: ...NO Discard Multiple Polls When enabled this parameter will cause the Gateway to discard a second query from a host to a Slave Address if a previous query is currently in process This is to guard agai...

Page 33: ...ed Main Menu Option 6 Modbus Serial Configuration Selecting 6 from the Main Menu will result in the following screen MODBUS SERIAL CONFIGURATION Port 1 Modbus Protocol RTU Port 2 Modbus Protocol RTU P...

Page 34: ...on this port Select either 0 for RTU or 1 for ASCII Slave Address Low Configures the lowest address of an RTU on this port Slave Address High Configures the highest address range of an RTU on this po...

Page 35: ...Configuration 27 specification defines this to be 3 5 character times but in practice this is usually too short as 5 to 10 msec delays are common...

Page 36: ...y Address NOT SET Subnet Mask 255 255 255 0 Name of Contact Person Supervisor Device Name GW005370 Physical Location Head Office IP Fragmentation ALLOWED MANAGER CONFIGURATION Entry Manager_IP_Addr 1...

Page 37: ...adcast Fixed Slave Address 0 MODBUS SERIAL CONFIGURATION Port 1 Modbus Protocol RTU Port 2 Modbus Protocol RTU Port 1 Slave Address Low 1 Port 2 Slave Address Low 1 Port 1 Slave Address High 247 Port...

Page 38: ...restore defaults with menu item 8 and then BEFORE REBOOTING change the IP information by using submenu 1 so your PC will still be able to connect to the gateway when it reboots Main Menu Option 9 Save...

Page 39: ...ed in your LAN and have a compatible IP address before this configuration method can be used Most Browsers will work The only requirement is that they support HTML tables and forms If your browser use...

Page 40: ...s properly installed LAN connections are OK and it is powered ON Check that your PC is using a compatible IP Address and Network Mask In Windows98 using Control Panel Network to examine the Properties...

Page 41: ...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 Details for...

Page 42: ...his 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 sc...

Page 43: ...guration Screen Figure 3 Modbus Configuration This screen is used to configure all Modbus parameters Note that two menus are used for these values in the Telnet Configuration method Configure Modbus T...

Page 44: ...EtherSeries EMB 02 User s Guide 36 LAN Configuration Screen Figure 4 LAN Configuration Screen This screen is used to configure the LAN parameters See Chapter 3 for details...

Page 45: ...en 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 requi...

Page 46: ...n 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...

Page 47: ...RTUs to communicate and interoperate with MODBUS TCP based controllers The MODBUS standard protocol is an asynchronous protocol designed to connect directly to computer asynchronous ports MODBUS has b...

Page 48: ...s 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...

Page 49: ...he LAN connection are OK the problem is in the LAN addresses or routing The most common problem cause is incorrect IP addressing Make sure the workstation and gateway have compatible IP addresses It m...

Page 50: ...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...

Page 51: ...e gateway end of the cable to verify program operation and the proper COM port The most common problems causing this symptom are incorrect RS 232 wiring or the Windows Hyperterm program not operating...

Page 52: ...er If it looks good then 3 Attempt a poll from the Modbus polling master computer If that works correctly you re ready to continue with Modbus operation IF not 4 Check the gateway s statistics to see...

Page 53: ...Troubleshooting 45...

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Page 55: ...2 Buffer 4 Kbytes RS 232 485 two male DE 9 connectors PC DB 9 RS 232 speed Up to 230 Kbps Network Ethernet 10Base T 100Base T CPU 16 Bit Power 9 to 36 VDC 12VDC 260 ma or Optional power supplies Switc...

Page 56: ...It operates as a DTE device The chart below details signal directions and names Serial Port Pin Assignments Pin Signal Name Type 1 Carrier Detect CD In 2 Receive Rx In 3 Transmit Tx Out 4 Data Termin...

Page 57: ...ted when the unit is powered on Signal Ground Common ground DSR Input ignored RTS Output If handshaking is disabled this signal is always asserted If handshaking is enabled it will be asserted when th...

Page 58: ...EtherSeries EMB 02 User s Guide 50 Ring Indicator Not used...

Page 59: ...r configuration and is available from your dealer This is commonly called a PC to PC null modem cable Gateway to RTU Since RTUs vary in pinout configuration no standard cable may be specified Since th...

Page 60: ...EtherSeries EMB 02 User s Guide 52...

Page 61: ...ion The 9 pin serial connector may be used for either RS 232 or RS 422 4 wire RS 485 point to point operation by changing internal jumpers Changing the Setting Remove the main board from the case by r...

Page 62: ...rthermost from the board edge RS 422 4 Wire RS 485 Interface Pinout Serial Port Pin Assignments Pin Signal Name Type 1 No Connection N A 2 No Connection N A 3 Receive Data Rx In 4 Transmit Data Tx Out...

Page 63: ...tion N A RS 485 2 wire Fan out Since this unit is most often used as an RS 485 2 wire end point it is delivered with terminating resistors installed internally With this termination installed the RS 4...

Page 64: ...EtherSeries EMB 02 User s Guide 56...

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