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Summary of Contents for Metz Connect MR-GW
- Page 1 V 1.0 | Version 05/2020 Page 1 of 29 MR-GW Modbus TCP/Modbus RTU- Gateway User Manual METZ CONNECT GmbH | Im Tal 2 | 78176 Blumberg | Deutschland Tel. +49 7702 533-0 | Fax +49 7702 533-433 more Documentation: www.metz-connect.com...
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Page 2: Table Of Contents
4.3.1 Overview ............................15 4.3.2 Dynamic page adaptation ........................16 4.3.3 TCP protocol mode ..........................17 METZ CONNECT GmbH | Im Tal 2 | 78176 Blumberg | Deutschland Tel. +49 7702 533-0 | Fax +49 7702 533-433 more Documentation: www.metz-connect.com... - Page 3 4.4.1 Network settings ..........................27 4.4.2 Configuration with MC-Search Utility ....................28 Telnet access ..........................29 METZ CONNECT GmbH | Im Tal 2 | 78176 Blumberg | Deutschland Tel. +49 7702 533-0 | Fax +49 7702 533-433 more Documentation: www.metz-connect.com...
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Page 4: Preamble
1 Preamble 1.1 About this User Manual This document describes the operation of the MR-GW (Modbus RTU-Gateway), P/N 11083001. The description contains information on the use and installation of the device. If you have any questions that cannot be answered with the help of this manual, please contact the manufacturer for further information. -
Page 5: Qualified Specialists
MR-GW is a compact Modbus RTU / Modbus TCP Gateway. The MR-Gateway enables bidirectional data exchange between Modbus RTU fieldbus devices and a Modbus TCP master (client). The MR-GW can be operated in two modes. Either as a transparent gateway in Modbus RTU over TCP mode or as a protocol converter (Modbus TCP mode). -
Page 6: Technical Data
VDE regulations and local regulations. Before working on the system, it must be disconnected from the power supply. The MR-GW is intended for fixed installation and operation inside enclosed rooms in electrical distribution boards and suitable control panels. The MR-GW is designed for mounting on TH35 mounting rails in accordance with IEC 60715. -
Page 7: Mounting
3.3 Dismounting und disposal Before disassembling, it must be ensured that the MR-GW has been taken out of operation and that all supply lines are de-energized. Once all supply lines have been removed, use a slotted screwdriver to move the bolt on the MR-GW outwards and remove the device from the mounting rail. -
Page 8: Connection
Incorrect connection can destroy the MR-GW. 3.4.1 Connection diagram- and principle diagram Figure 4 Connection diagram- and principle diagram METZ CONNECT GmbH | Im Tal 2 | 78176 Blumberg | Deutschland Tel. +49 7702 533-0 | Fax +49 7702 533-433 more Documentation: www.metz-connect.com... -
Page 9: Power Supply
3.4.2 Power Supply The operating voltage of the MR-GW is 24 Volt DC ± 10% (SELV) and is either provided via a jumper plug and the NG4 power supply unit from METZ CONNECT (Figure 5) or directly via the power supply terminals on the device. -
Page 10: Indicators
MR-Gateway is receiving RS-485 Data RS-485 Busy RX Green „receive“ LED: Off MR-Gateway is not receiving RS-485 Data METZ CONNECT GmbH | Im Tal 2 | 78176 Blumberg | Deutschland Tel. +49 7702 533-0 | Fax +49 7702 533-433 more Documentation: www.metz-connect.com... -
Page 11: Communication Interfaces
300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 Parity None, Even, Odd Stop bits 1 or 2 Galvanic isolation 1,5 kV METZ CONNECT GmbH | Im Tal 2 | 78176 Blumberg | Deutschland Tel. +49 7702 533-0 | Fax +49 7702 533-433 more Documentation: www.metz-connect.com... -
Page 12: Configuration
4 Configuration 4.1 Web interface The MR-GW has an integrated and intuitive web interface for parameter settings, management and monitoring of the two interfaces (Ethernet / RS485) in responsive design. The Ethernet connection is established via a standard patch cable and the RJ45 connector on the device. -
Page 13: Default Settings
0.0.0.0 RS-485 settings Data bits Baud rate 19200 Parity Even Stop bits Modbus timeout 10 ms METZ CONNECT GmbH | Im Tal 2 | 78176 Blumberg | Deutschland Tel. +49 7702 533-0 | Fax +49 7702 533-433 more Documentation: www.metz-connect.com... -
Page 14: Implementing
V 1.0 | Version 05/2020 Page 14 of 29 4.2 Implementing The MR-GW can be configured either using the free software tool MC-Search Utility or via the integrated web interface and the default IP address 192.168.0.111. 4.3 Web interface configuration... -
Page 15: Overview
After the login process has been successfully completed, you will be taken to the start page of the web interface. The menu item Overview displays the current settings of the MR-GW. Double-clicking on the METZ CONNECT logo takes you directly to the product page on the homepage www.metz-connect.com/modbus-... -
Page 16: Dynamic
The navigation menu is collapsed. Figure 11 Reduced representation of the web interface Open navigation menu METZ CONNECT GmbH | Im Tal 2 | 78176 Blumberg | Deutschland Tel. +49 7702 533-0 | Fax +49 7702 533-433 more Documentation: www.metz-connect.com... -
Page 17: Tcp Protocol Mode
Modbus RTU Over TCP Gateway acts as a transparent gateway 1 Modbus TCP client connection simultaneously METZ CONNECT GmbH | Im Tal 2 | 78176 Blumberg | Deutschland Tel. +49 7702 533-0 | Fax +49 7702 533-433 more Documentation: www.metz-connect.com... -
Page 18: Network
The web interface can be unlocked again by following the instruction and entering the new IP address in the address bar of the browser and confirming with ENTER. METZ CONNECT GmbH | Im Tal 2 | 78176 Blumberg | Deutschland Tel. +49 7702 533-0 | Fax +49 7702 533-433... - Page 19 MR-GW User Manual | EN V 1.0 | Version 05/2020 Page 19 of 29 4.3.5 RS-485 In the RS-485 menu item, the RS-485 interface of the MR-GW is configured. Figure 15 menu item RS-485 Parameter Description Baud Rate Setting the transmission speed min.
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Page 20: Security
For security reasons we recommend to change the default password! The request to change the password is stored locally in the respective browser settings. METZ CONNECT GmbH | Im Tal 2 | 78176 Blumberg | Deutschland Tel. +49 7702 533-0 | Fax +49 7702 533-433... -
Page 21: Reset And Reassign Password
The Allowed client connections allow you to add or block remote client IP addresses to prevent unauthorized access. The access to the MR-GW is controlled by an IP address. This means that if a client's IP address is in the accessible IP range, then the client is allowed to access the MR-GW. -
Page 22: Monitoring
Reset Modbus TCP-Client connection counter Drop of Modbus TCP-Client connection Drop of and reset all connections METZ CONNECT GmbH | Im Tal 2 | 78176 Blumberg | Deutschland Tel. +49 7702 533-0 | Fax +49 7702 533-433 more Documentation: www.metz-connect.com... -
Page 23: Discovery
1. Specify the start address in the From address input field and the end address in the To address field. 2. Start discovery 3. The RS-485 interface will be searched and all METZ CONNECT Modbus RTU- modules found during this process will be displayed in the Discovery results list. Other manufacturers' modules will also be shown if they support the MODBUS RTU standard identification function (function 43). -
Page 24: Service
In the menu item Service the device settings are saved and restored and you can make a firmware update. 4.3.9.1 Settings The current device settings are saved in a backup file on a PC and can be restored on any MR-GW Figure 22 Backup and restore device settings Backup settings Save backup file *.cfg to local drive... -
Page 25: Firmware Update
V 1.0 | Version 05/2020 Page 25 of 29 4.3.9.2 Firmware Update To update the software of the MR-GW, a firmware update can be carried out. The latest firmware is available on the METZ CONNECT homepage at www.metz-connect.com/modbus-gateway. Figure 23 Make a Firmware Update... -
Page 26: Mc-Search Utility
MC-Search Utility is a Windows-based and free tool for the configuration of the MR-GW, which detects all connected MR-Gateway in a TCP/IP network. For the access to the web interface of MR-GW, the network settings must be configured via the MC-Search Utility tool: 1. -
Page 27: Network Settings
The new IP address is displayed in the device list after a short time. Double-clicking on the device found in the selection list takes you directly to the web interface of the MR-GW. The MR-GW is then configured via the web interface. -
Page 28: Configuration With Mc-Search Utility
Page 28 of 29 4.4.2 Configuration with MC-Search Utility The default settings of the MR-GW can be configured via the MC-Search Utility software tool if required. Access to the web interface is not necessary. The following functions can be configured using the respective tab pages:... -
Page 29: Telnet Access
V 1.0 | Version 05/2020 Page 29 of 29 4.5 Telnet access The Telnet protocol allows remote access to the MR-GW via the IP network. To connect with telnet to the device, enter following command: // IP address of MR-GW telnet xxx.xxx.xxx.xxx...
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