This is a RS-485 two-wire network with Metasys N2 protocol. Protocol Metasys N2 Max Number of Drives 255 per N2 Network Segment 2N2 Specifications and Configuration YASKAWA TOEP YAICOM 12A Z1000 Bypass Network Protocol Metasys® N2 Technical Manual 7. The communication rate is 9600 bps with 8 data bits, no parity, 1 start bit and 1 stop bit. In MS/TP mode, these equipment controllers are BACnet® network compliant devices. The bit sequence is as follows: DATA It is open to any manufacturer and based upon a sim-ple ASCII protocol widely used in the process control industry. Protocol (IP) connectivity and Web-based access to Metasys® Building Management Systems (BMSs). The Metasys N2 SlotServer can be configured as a Metasys Slave or Master enabling exchange of information between Metasys Master devices such as NCM, N-30, NAE or NIE) or Metasys … uNetwork Cable Connection Follow the … Many N2 compatible devices use their own version of the protocol and care must be taken to ensure that the device of interest is … Metasys N2 is a master/slave control network. MS-FAC2513-0. Jeff Lockyear . JCI Metasys N2 is an extremely popular protocol used in Building Automation. B . Hence, a converter is needed which converts the data from BACnet MS/TP device to Metasys N2 and vice versa. M4-CGM09090-0 Metasys N2 - general info The N2 communications protocol is used by Johnson Controls and others to connect terminal unit controllers to supervisory controllers. The physical layer is RS-485 compatible, half duplex 9600 baud shielded twisted pair. VMAs are programmable digital controllers tailored for VAV applications that communicate via the N2 protocol, which can be integrated to any supervisory controller capable of managing N2 Open networks and devices, such as the Network Communication Module (NCM) and Network Automation Engine … June 30, 2011 - ProSoft Technology will distribute QuickServer Protocol Gateways from FieldServer Technologies for BACnet, LonWorks and JCI Metasys N2 networks The QuickServer gateways enable communication between these common building automation protocols and several of the more pervasive serial and Ethernet protocols, including EtherNet/IP and Modbus TCP/IP. 3 Connecting to a Network This section explains how to connect the drive to an N2 network and the network termination required for a connection. It is open to any manufacturer and based upon a simple ASCII protocol widely used in the process control industry. I have the protocol document from Johnson, but I'm under a time constraint and it looks a little beyond what I've been working on until now. Care must be taken to ensure the device of interest is covered by the FieldServer implementation. Features and Benefits . Modbus – N2 Metasys gateway Communication Network Edition: March 2008 GBC03BI Rev. Metasys N2: Metasys N2 was developed by Johnson Controls as a network to interface their various devices and controllers. 2.1 Metasys N2 Communications MC3000 drives running N2 protocol act as N2 devices on a Metasys® Network and function as slaves only. Identifies … The different flavors are designed to co- exist on the same N2 network. The devices can directly communicate with each other only if they are on the same protocol. 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