PRODUCT CATALOGUE
NPE Platform
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Additional information
TRM 212 - Danfoss ECL200/300 CONVERTER, MBUS, ETHERNET
TRM 212 is a device that allows you to communicate through Ethernet network (Intranet / Internet) with weather inclement controls Danfoss ECL 200 / 300, thermal energy counters and additional inputs - outputs modules. Depending on configuration module is capable of supporting weather regulator, up to 6 energy counter and to 10 additional modules of additional inputs - outputs. Converters TRM202 and TRM212 are additionally equipped with GSM modem. Besides standard Ethernet communication, it allows for communication of converters through the GPRS. For GPRS communication SIM card of any GSM operator is required, allowing for modem logging in public or private APN.
Most important features of TRM 212 graphical visualization processes node radiant, logging parameters work node, record emergency situation, the ability to advise States emergency by sending email (easily replaced also SMS), sharing the data collected for the spreadsheet Excell, remote control parameter of weather regulator and remote control of pomps installed on the node, all these features are available from the Internet Explorer. The following illustration shows a flowchart installation TRM 212: 
Communication with Danfoss ECL200/300 in service protocol, and with meters in MBus protocol.
In TRM2x2 both types of communication: through GPRS and Ethernet are realized independently,
which allows user of telemetrical system to use freely offered communication methods,
deciding to use one of those technologies or both of them at the same time. It is
also possible to use one technology, e.g. Ethernet, as the basic communication channel,
and GPRS is used as emergency channel.
The architecture of communication based upon GSM/GPRS technology is shown below.
Thanks to GSM/GPRS modem, built in TRM2x2 converters, monitoring may also include
centres, where accessibility of popular Internet/Ethernet networks is limited. In
order to use this wireless technology it is required to have SIM card of any GSM
operator with activated GPRS service, and GSM network access in place of antenna
installation.
System user may use TRM converters for integrating Danfoss ECL controllers with any visualisation software thanks to open Modbus TCP protocol, or monitor centres operation from any computer, equipped with WWW browser, e.g. Internet Explorer, Firefox, Opera, etc. TRM converters resources may be expanded in two ways: 1.By additional inputs-outputs or communication ports, built in TRM converter 2.By additional external input-output modules (TRM-7000 series), connected to TRM converter through RS485 communication port. When the telemetrical system requires connecting additional signals, not available in any of standard versions, it is possible to equip it with additional interfaces. It is possible to add directly to TRM converter 8 digital inputs (DI), 6 digital outputs (DO), 4 analogue inputs (AI), and according to TRM version: RS485 or RS232 port. 
Input-output interfaces of TRM converters may also be expanded by connecting external
expansion modules of TRM-7000 series through RS485 port. There are modules of temperature
inputs Pt100, Pt1000, analogue inputs 0..10V, 0..20mA, 4..20mA, analogue outputs
0..10V, 0..20mA, 4..20mA, digital inputs and digital outputs available.
Technical parameters
Table below presents available communication functions and software versions for
the individual TRM converters versions:
2.Required external MBus10 converter (RS232 standard into MBus) 3.ECL300 controller has built-in RS232 serial port, and ECL200 requires equipping with RS232 communication card of ECA81 type |
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Selection Guide
NPE Introduction
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