GE Industrial Solutions AF-300 P11_G11 Metasys N2 - Manual (Page 8)

USER MANUAL
Revision 1.01
2000-11-06
HMS INDUSTRIAL NETWORKS AB 8
4. Metasys N2 option card OPC-G11S-MN2
The OPC-G11S-PDP option card gives an instant connection between Fuji G11S drives (GE Fuji AF-300G11) and
a Metasys N2 network. The option board will perform as an integrated part of the G11S drive and gives the user
access to all relevant parameters, as well as control-/status signals needed to control the drive.
The OPC-G11S-MN2 option card communicates according to the Metasys N2 standard from Johnson Control.
This means that it can communicate with all masters that comply with this standard, but it does not necessarily
mean that all services available in the Metasys N2 standard are supported.
In a control system the OPC-G11S-MN2 will act as a slave that can be read and written to, from a Metasys N2
master. It will not initiate communication to other nodes, it will only respond to incoming telegrams.
5. Introduction to Metasys N2
MetaSys N2 is a fieldbus system from the Johnson Controls company. More than 10,000 systems are installed
around the world in colleges and universities, hospitals, commercial offices, factories, government facilities and
on military bases. MetaSys N2 is mainly a fieldbus for building and automation industry.
5.1 Technical features of Metasys N2
• Physical media: EIA RS 485 twisted pair cable.
• Baud rate: 9.6 kbps (fixed)
• Maximum number of nodes: 255
• Bus topology : Master-Slave communication. The figure below gives an overview of a Metasys N2 network.