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Modbus Help

ESERV-M12T Modbus Gateway

32

ESERV-M12T

(Rev. 1210)

Figure 21.

Port 1 Modbus

5.

Configure the Port 1 Modbus Settings. In this case Attached should be slaves, Modbus should be RTU.
The other settings depend on your application.

6.

Configure Port 2 Serial and Modbus is the same fashion.

7.

Access Modbus ID Remapping for each port and configure as necessary.

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Summary of Contents for ESERV-M12T

Page 1: ...ESERV M12T Modbus Gateway User Manual...

Page 2: ...Port Connectors 6 Power Connector 6 Mounting Hardware 6 MODBUS GATEWAY SETUP AND CONNECTIONS 8 Connecting the Power Supply 8 Connecting ESERV M12T Modbus Gateways to Modbus networks 8 Connecting the...

Page 3: ...Factory Defaults 17 DESCRIPTION MODBUS GATEWAY PROPERTIES 18 Attached 18 Baud Rate 18 Character Timeout 18 Configuration Files 18 Data Parity Stop 18 Default Gateway 19 DHCP 19 Firmware Version 19 Har...

Page 4: ...erial Port Number 24 Subnet Mask 24 TCP Transmission Control Protocol 25 UPGRADING THE MODBUS GATEWAY FIRMWARE 26 Downloading Firmware Files 26 Uploading the Firmware to the Modbus Gateway 27 DIAGNOST...

Page 5: ...neral Specifications 51 Controls Indicators and Connector Specifications 53 Serial Interface Specifications 54 Fiber Interface Specifications 55 Network Specifications 56 Appendix C Dimensional Diagra...

Page 6: ...me a node on the network The serial ports can be accessed over a LAN WAN using Direct IP Mode connections ESERV M12T Modbus Gateways feature 10BaseT or 100BaseTX copper network media and fiber optic m...

Page 7: ...h Auto Selection Auto MDI MDIX LAN and WAN Communications TCP Client or Server operation configurable Firmware Upload for future revisions upgrades Software Support Windows 2000 2003 Server XP Vista x...

Page 8: ...power Ethernet and serial connectors and a recessed Mode switch PACKAGE CHECKLIST ESERV M12T Modbus Gateways are shipped with the following items included ESERV M12T Modbus Gateway Module Quick Start...

Page 9: ...used to connect to the network READY LED The Ready LED green blinks if the system is operating correctly once per second in normal operating conditions or three times per second in reset configuration...

Page 10: ...Enter Console Mode Reload factory defaults Note Refer to Section 3 Modbus Gateway Setup and Connections for more information on using the Mode switch ETHERNET CONNECTOR Modbus gateway models using 10B...

Page 11: ...minal blocks for RS 232 RS 422 and RS 485 connections Figure 7 Five Position Pluggable Terminal Block Note Refer to Appendix D for connection pin outs POWER CONNECTOR The power connector is a 2 positi...

Page 12: ...Hardware ESERV M12T Modbus Gateway 7 ESERV M12T Rev 1210 Figure 9 ESERV M12T DIN Clips...

Page 13: ...pply must be capable of supplying 4 Watts for ESERV M12T units Figure 10 ESERV M12T Power Connection CONNECTING ESERV M12T MODBUS GATEWAYS TO MODBUS NETWORKS ESERV M12T Modbus Gateway scan be configur...

Page 14: ...ne signal pair DataB and DataA signal channels using half duplex operation The data lines are differential with the Data B line positive relative to Data A in the idle mark state Ground provides a com...

Page 15: ...re also connected to the network ESERV M12T CONFIGURATION CONNECTIONS ESERV M12T Modbus Gateways can be configured over the network or via a serial port CONFIGURING THE ESERV M12T MODBUS GATEWAY VIA T...

Page 16: ...the Web Interface ESERV M12T Modbus Gateways can be configured over the network using a standard internet browser such as Internet Explorer or Firefox To open the web configuration interface 1 On a PC...

Page 17: ...URING THE ESERV M12T MODBUS GATEWAY ON NETWORKS WITHOUT A DHCP SERVER Your Modbus Gateway comes from the factory set up to receive an IP assignment from a DHCP Server If there is not a DHCP server on...

Page 18: ...Click on Internet Protocol TCP IP and click properties Change the parameters to the following IP Address 169 254 102 1 Subnet Mask 255 255 0 0 Default Gateway 169 254 102 100 c Use the Modbus Gateway...

Page 19: ...ON OFF d Release the reset button The READY LED will blink once per second for five seconds This indicates that the Modbus Gateway is re booting in Console Mode e When the Modbus Gateway has successf...

Page 20: ...serial port of a PC using a null modem cable Figure 14 Console Mode Setup To configure the Modbus gateway it must be put into Console Mode using the Mode switch To enter Console Mode press and hold th...

Page 21: ...ket programs to communicate with the COM ports on the Modbus gateway In this type of application the Modbus gateway is configured as a TCP server The socket program running on the PC establishes a com...

Page 22: ...t 2 LED is Off 3 The LEDs go back to their normal states when the device resumes normal operation RELOADING FACTORY DEFAULTS To reload Factory Defaults press and hold the Mode switch for more than 10...

Page 23: ...e to receive characters The range is 1 through 65535 CONFIGURATION FILES Configuration files contain all configuration settings for the Modbus gateway When the Modbus gateway settings have been config...

Page 24: ...is removed If a device on the network that normally communicates with the Modbus gateway is configured to communicate with a specific IP address of the Modbus gateway and the IP address has been chan...

Page 25: ...c IP address and do not know what address to use consult your network administrator LINK STATUS Link Status of the currently selected Modbus gateway is shown on the Login page of the Ethernet Modbus G...

Page 26: ...MODBUS MESSAGE BUFFERING The ESERV M12T has two Modbus serial buffers one for each serial port Each will buffer up to 32 Modbus messages These buffers help ensure messages don t get lost in a data tra...

Page 27: ...TCP MESSAGE The Modbus TCP message may be broken up into multiple different TCP frames The Modbus TCP message contains three main blocks to the Modbus TCP message The first is the MBAP header It descr...

Page 28: ...is the staring ID of a range you want to remap the second box is the last ID of that range If you are just remapping one ID the second box is not filled in The third box is the start of the remap ran...

Page 29: ...ly of the characters A to Z a to z 0 to 9 or It can start or end with a letter or a number but it must not start or end with a It must not consist of all numeric values GATEWAY SERIAL PORT NUMBER The...

Page 30: ...us gateway is configured as a TCP client it initiates connections with a server on the network You must set up the IP address and port number of the server that you want the client Modbus gateway to c...

Page 31: ...p drop down list Other Modbus gateways that have already been discovered can be selected from the drop down list if desired The current firmware version of the selected Modbus gateway is shown in the...

Page 32: ...eway to be upgraded 2 In the Firmware Description drop down list select the firmware to upload to the Modbus gateway 3 Click the Upgrade button Progress Bar and Progress Box provides information on th...

Page 33: ...ter The Computer Information box displays information about the type of network connections the IP addresses Subnet Masks and Default Gateways in use Figure 17 Diagnostics Dialog Box TESTING A MODBUS...

Page 34: ...Diagnostics ESERV M12T Modbus Gateway 29 ESERV M12T Rev 1210 Information about the progress of the pinging process is displayed in the Test Progress box Figure 18 Testing a Modbus Gateway Connection...

Page 35: ...arios are examples only and many others are possible Contact N TRON technical support for information on other applications ETHERNET MASTER AND SERIAL SLAVES Your Modbus gateway can be used to integra...

Page 36: ...SERV M12T Rev 1210 Figure 20 Serial Port 1 Setup 3 Configure Serial Port 1 In this case it is RS 232 19 2 kbps 8 data bits 1 stop bit and even parity Save the settings 4 Access Port 1 Modbus by clicki...

Page 37: ...Modbus 5 Configure the Port 1 Modbus Settings In this case Attached should be slaves Modbus should be RTU The other settings depend on your application 6 Configure Port 2 Serial and Modbus is the same...

Page 38: ...eway 33 ESERV M12T Rev 1210 Figure 22 Port x Modbus Slave ID Remapping 8 Access Modbus ID Routing Configure as necessary In this example Slave ID 200 is mapped to serial port 1 Slave ID 1 through 5 an...

Page 39: ...Modbus Help ESERV M12T Modbus Gateway 34 ESERV M12T Rev 1210 Figure 23 Modbus ID Routing 9 Access Modbus Priority and configure as necessary...

Page 40: ...Modbus Help ESERV M12T Modbus Gateway 35 ESERV M12T Rev 1210 Figure 24 Modbus Priority...

Page 41: ...o integrate multiple master devices onto serial and Ethernet Networks Figure 25 Serial Ethernet Masters Serial Ethernet Slaves 1 In this example Serial Port 1 has an RTU Master attached Configure the...

Page 42: ...dbus Gateway 37 ESERV M12T Rev 1210 Figure 26 Port 1 Modbus 2 Configure the Modbus Slave ID routing In this case Modbus Slaves 1 through 5 and 205 are on Serial Port 2 Modbus Slaves 150 and 151 throug...

Page 43: ...odbus Help ESERV M12T Modbus Gateway 38 ESERV M12T Rev 1210 Figure 27 Modbus Slave ID Routing SERIAL MASTERS IP SLAVES Serial Masters can be used to control IP Slaves Figure 28 Serial Masters IP Slave...

Page 44: ...Gateway 39 ESERV M12T Rev 1210 1 In this example and ASCII Master is connected to Serial Port 1 and an RTU Master is connected to Serial Port 2 Configure the serial ports as appropriate for these dev...

Page 45: ...V M12T Modbus Gateway 40 ESERV M12T Rev 1210 Figure 30 Port 2 Serial 2 Access the Modbus screen for each port and configure as appropriate In this case Port 1 has an ASCII Master and Port 2 has an RTU...

Page 46: ...Modbus Help ESERV M12T Modbus Gateway 41 ESERV M12T Rev 1210 Figure 31 Port 1 Modbus...

Page 47: ...Modbus Help ESERV M12T Modbus Gateway 42 ESERV M12T Rev 1210 Figure 32 Port 2 Modbus 3 Setup the Slave ID Routing to associate IP addresses with the appropriate Slave ID...

Page 48: ...Modbus Help ESERV M12T Modbus Gateway 43 ESERV M12T Rev 1210 Figure 33 Modbus Slave ID Routing...

Page 49: ...44 ESERV M12T Rev 1210 IDENTICAL HARD CODED SLAVES In this example two slave devices that are hard coded with the same ID are required This is accomplished by putting them on different serial ports F...

Page 50: ...DENTICAL PRODUCTION LINES In this example identical or backup production lines can be controlled by the same IP Master This allows the duplicate networks to be configured identically saving documentat...

Page 51: ...and an error check field The addressed slave responds with a similar message structure Typically it repeats back its address and the function code and then sends a field indicating the number of byte...

Page 52: ...bus Gateway 47 ESERV M12T Rev 1210 APPENDICES This section includes the following Appendices Appendix A Default Gateway Settings Appendix B Product Specifications Appendix C Dimensional Diagrams Appen...

Page 53: ...k from factory DHCP Enabled IP Address DHCP will configure If a DHCP Server is not available the unit will default to 169 254 102 39 Net Mask 255 255 0 0 Gateway 169 254 102 100 MAC Address Fixed see...

Page 54: ...Appendices ESERV M12T Modbus Gateway 49 ESERV M12T Rev 1210 Flow Control None Protocol TCP Serial timeout 0 seconds Inter character timer 0 ms TCP port Port 1 4000 Port 2 4001 Max connection 1...

Page 55: ...50 ESERV M12T Rev 1210 APPENDIX B PRODUCT SPECIFICATIONS This section includes the following specifications General Specifications Controls Indicators and Connector Specifications Serial Interface Sp...

Page 56: ...ger via a serial connection press Reset button to enter Console Mode Via network Using Ethernet Modbus Gateway Manager via a Ethernet connection Using a standard web browser such as Internet Explorer...

Page 57: ...4 2 to 11 ESD RFI EFT Surge and CI UL 508 Enclosure Rating IP30 Mounting DIN rail mount 35 mm Dimensions Small Case 1 2 in x 3 3 x 4 7 in 3 1 x 8 4 x 11 9 cm Power Supply External Supply Required Volt...

Page 58: ...ode Hold in for more than 10 seconds to reset to factory defaults Indicators Serial LED one per port Color Green On Port open Blink Data traffic Link LED Color Green On 100BaseTX Off 10BaseT Blink Dat...

Page 59: ...wire Data A Data B GND RS 485 lines 4 wire TXDA TXDB RXDA RXDB GND Baud Rates 75 150 300 600 1200 2400 4800 7200 9600 14400 19200 28800 38400 57600 115200 230400 Data Bits 5 6 7 8 Parity None even odd...

Page 60: ...M12T Modbus Gateway 55 ESERV M12T Rev 1210 FIBER INTERFACE SPECIFICATIONS Fiber Interface Fiber Mode Multimode Range 2km Cable 62 5 125 m Connector ST TX Power Min 19 dBm RX Sensitivity Max 32 dBm Wa...

Page 61: ...ical Layer Standards Ethernet IEEE 802 3 auto detecting auto MDI MDX 10BaseT and 100BaseTX Protocols Supported TCP IPv4 ARP Telnet HTTP 1 0 ICMP PING DHCP BOOTP IP Mode Static DHCP or Auto IP TCP User...

Page 62: ...Appendices ESERV M12T Modbus Gateway 57 ESERV M12T Rev 1210 APPENDIX C DIMENSIONAL DIAGRAMS Figure 36 Dimensional Diagram of an ESERV M12T Modbus...

Page 63: ...t TXA DATA A B TD Output TXB DATA B C CTS Input RXA D RD Input RXB E GND GND GND In the RS 422 mode TX lines are outputs and RX lines are inputs Connect the Modbus gateway TXB line to the RXB line of...

Page 64: ...teway 59 ESERV M12T Rev 1210 STANDARD ETHERNET CABLE RJ 45 PIN OUT RJ 45 Pin Signal Wire Color 1 TX White Green 2 TX Green 3 RX White Orange 4 Not used Blue 5 Not used White Blue 6 RX Orange 7 Not use...

Page 65: ...t Protocol IPv4 Internet Protocol version 4 LED Light emitting diode Used as a visual indicator MBAP MODBUS Application Protocol MEI Multi Electrical Interface via RS 232 422 485 Modbus A request repl...

Page 66: ...ERV M12T Rev 1210 Term Definition Stop Bit Number of bit times after a character is transmitted before the next character can start transmission TCP Transmission Control Protocol Unit ID Unit Identifi...

Page 67: ...l including but not limited to the implied warranties of merchantability or fitness for a particular purpose In no event shall N Tron Corp be liable for any incidental special indirect or consequentia...

Page 68: ...efore touching ELECTRICAL SAFETY WARNING Disconnect the power cable before removing the top cover WARNING Do not operate the unit with any cover removed WARNING Do not work on equipment or cables duri...

Page 69: ...work on electrical equipment or cabling during periods of lightning activity Never connect or disconnect power when hazardous gasses are present UNPACKING Remove all the equipment from the packaging...

Page 70: ...turned to N TRON for repair whether under warranty or not ADVANCE REPLACEMENT OPTION Upon registration this product qualifies for advance replacement A replacement product will be shipped within three...

Page 71: ...FECTED IF ANY REMEDY PROVIDED HEREIN SHALL FAIL OF ITS ESSENTIAL PURPOSE DISCLAIMER Some countries states or provinces do not allow the exclusion or limitation of implied warranties or the limitation...

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