Link server interrogates Melsec-Q PLC series

Edited by the Electronicstalk editorial team Dec 21, 2005

Contec Microelectronics Europe has introduced a PLC link server that allows a networked computer to obtain and update internal register information of Mitsubishi Melsec-Q PLC series.

Contec Microelectronics Europe has introduced a PLC link server that allows a networked computer to obtain and update internal register information of Mitsubishi Melsec-Q PLC series.

The unit also can be used to monitor the operating state of a remote RS-232C or RS-422 linked PLC and to update its settings over an intranet or the Internet.

It is available as either the SVR-PLCLC(FIT)GY, with an RS-232C, or the SVR-PLCLD(FIT)GY, with an RS-422/485 connection.

Connecting the PLCs to a network is nothing new.

What's unique about the Contec PLC Server family is that the Melsec-Q PLCs are programmed and controlled directly from the customer's PC over LAN.

Users simply connect the Contec PLC server to their PLCs and programs the PLC directly from anywhere, trough the LAN.

Through the F and eIT protocol, the Contec PLC server approach is unique in that the F and eIT Protocol assigns all device resources (including information) to virtual space.

Any access to a device will be performed by specifying a virtual address.

The virtual space is divided into information common to devices, device-specific information, I/O space and memory space.

The specific location in the virtual space where information is stored and the method by which information is stored is completely transparent to where or how information is stored in actual physical resources.