The NMEA2MODB is an Ethernet-based versatile I/O- unit, which can be used in various monitoring and control applications. The unit is designed to be particularly suitable for ship applications, such as Integrated Bridge Systems (IBS).
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The NMEA to Modbus Gateway (NMEA2MODB) is an Ethernet-based versatile I/O unit, which can be used in various monitoring and control applications. The unit is designed to be particularly suitable for ship applications, such as Integrated Bridge Systems (IBS). When installed it integrates data from different types of navigational equipment (supplier independent), used in ship operations, such as GPS, Gyro, Torque, Wind, Speed, Depth etc. The NMEA2MODB is easily set up using a normal web browser and if you need more I/O channels the NMEA2MODB can be daisy chained via the build-in Ethernet switch. The NMEA2MODB handles both in and outbound communication, it is merely to set it up to your specific needs.
The NMEA2MODB consists of a general purpose I/O part, communication parts, and an Ethernet interface. The unit has a built-in power supply unit with 18…36 VDC input range. Two separate power supply sources, with automatic change-over are provided. The power source and monitoring is included in the onboard software.
The I/O part contains 32 digital inputs and 32 digital outputs, 4 analog inputs and 4 analog outputs. The unit contains a reference-voltage source to supply external potentiometers or sensors. The communication part contains six UART-type serial interface channels with galvanic isolated RS422/RS485 or RS422 drivers. One channel also has an alternative RS232 driver available. There is also one galvanic isolated CAN-Bus channel. The Ethernet part integrates a 5-port 10/100 Ethernet switch.
The NMEA2MODB units can be connected in a chain, without the need of an external Ethernet switch (the onboard switch functions as a normal Ethernet switch). The setting-up and parameterisation of the NMEA2MODB module is performed through the WEB-server, using a normal HTML-browser.
The NMEA to Modbus gateway unit fulfills the IEC 60945:2002 EMC standard and respective environmental standards.
Control of the TM-EFDC digital and analogue I/O parts are available through MODBUS/TCP protocol. The onboard basic software application contains a MODBUS/TCP server and the user can read the digital and analogue input registers and write corresponding output registers through this MODBUS/TCP server function.
The digital outputs can be selected to operate as 0...100% PWM output for example the dimming of the panel pilot lights.
The software is compliant with the IEC 61162-1 standard.
The TM-EFDC communication part operates as a serial data communication device server. With this server function, the traffic through the UART (RS422 and RS232) and CAN- ports can be transferred either by UDP or TCP- protocols into the Ethernet- network (LAN).
The UART and CAN- controlled transport parameters and the UDP and TCP server properties are set by the HTML browser. The TM-EFDC unit has two RS422/485 and four RS422 galvanic isolated serial channels. There is also alternatively RS232 line driver available for one serial channel.
All RS422/RS485 and RS422 Serial channels fully conform to IEC61162-2 standard and also compatible with IEC61162-1 standard devices.
| General Specifications | |||||||||||||||||||
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| Power supply input | 24 Vdc (18...36 Vdc) Power requirement 10W (typically 6W). Connections to two separate power sources. |
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| Operating temperature | -20...+55°C |
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| Processor | 32 bit, 200 or 400 MHz ARM processor |
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| Memory |
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| Approvals | IEC 60945:2002 / CE |
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| Options | Fixing options (DIN-rail, direct mounting) / System cabling options, relay modules |
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