Data Acquisition & Telemetry


GPRS router for remote telemetry and industrial control applications

January 2007 Data Acquisition & Telemetry

Throughput Technologies announces the release of the Westermo MR-200 router. The MR-200 is a GPRS router designed to be compatible with the current and future requirements of remote telemetry and industrial control systems applications. The unit has an integral Ethernet port and a 25 pin RS232 serial interface for local connectivity. The Ethernet interface supports multicasting (IGMP), VLAN, SNMP, SNTP, FTP as well as all the standard TCP, UDP and DHCP protocols.

The inbuilt RS232 port can be used to connect legacy serial based equipment such as PLCs, RTUs or IEDs. Alternatively the internal serial port can be used as a backup connection to the remote site when used in conjunction with a suitable Westermo Modem.

The MR-200 router has an integrated stateful inspection firewall and IPSECVPN (virtual private network) termination, secured using 3DES, AES, SSL, SSH encryption, and MD5, SHA1 key exchange protocols. These features ensure that the remote sites can use the latest security technology to resist denial of service attacks and hacking.

The VPNs can be used as a way of increasing security and to create secure tunnels, running between sites.

The VPNs can be used to interconnect the sites, effectively replacing the requirement for dedicated leased lines.

The MR-200 can also be used for remote sites access, allowing the user to browse web pages, monitor/edit PLCs or access any device connected to the LAN. The VPN tunnels can be terminated on either another MR-200 GPRS router or on a Westermo DR-200 ADSL router. The MR-200 will allow devices connected on the LAN side to send e-mails or connect to FTP servers for transferring files.

The MR-200 supports VRRP (virtual redundant router protocol) allowing multiple physical routers to share a single gateway and provide multiple backup WAN connections. For complex network applications the MR-200 supports OSPF and RIP2. The MR-200 is supplied with a complete mounting kit for DIN rail, wall or shelf mounting. The wide temperature range and 24 V d.c. supply ensure that the MR-200 can be used in industrial applications without the need of modification or consideration of the environmental conditions.

Programming is achieved via a ScriptBASIC interpreter with user extensible libraries and control over main functions such as SMS, memory, serial ports, or other local devices.



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