Modicon M580 Plc Page 3-9 Communication

3/9 Functions Ethernet basic services HTTP (RFC 1945) HTTP (HyperText Transfer Protocol) is used to transmit web pages between a server and a browser. HTTP has been used on the Web since 1990. Web servers embedded in Schneider Electric automation products provide easy access to information and diagnostics from anywhere in the network. BOOTP/DHCP (RFC1531) BOOTP/DHCP is used to provide devices with IP parameters automatically. This avoids having to manage each device address individually by transferring this management to a dedicated IP address server. DHCP (Dynamic Host Configuration Protocol) is used to assign configuration parameters to devices automatically. DHCP is an extension of BOOTP. Schneider Electric devices can be: b BOOTP clients, allowing the IP address to be retrieved automatically from a server, or b BOOTP servers, allowing the device to distribute IP addresses to the network stations. FTP (File Transfer Protocol) & TFTP (Trivial File Transfer Protocol) (RFCs 959, 2228, and 2640) File transfer protocols such as FTP and TFTP provide the basic elements for file sharing. In an automation device, FTP or TFTP are often used to deliver firmware updates. NTP (Network Time Protocol) (RFC 1305) NTP (Network Time Protocol) is used to synchronize the time of a client device from a time server. SMTP (Simple Mail Transfer Protocol) (RFC 0821) SMTP (Simple Mail Transfer Protocol) is an e-mail transmission service. It is used to send e-mail between a sender and a recipient via an SMTP email server. SNMP (Simple Network Management Protocol) (RFCs 1155, 1156 and 1157) Simple Network Management Protocol (SNMP) is an Internet protocol used to manage IP-based network devices. SNMP is used to: b Monitor network components such as computer workstations, routers, switches, bridges, and end devices to view their status. b Obtain statistics about the network such as bandwidth utilization and detected network errors b Change information in the device SNMP database such as when to report a high temperature condition SNMP comprises a network manager (usually running on a computer) and agents (running on the network devices). Network management systems (NMS) are software applications used to manage SNMP managed devices. QoS ( Quality of Service) (RFC 2474) QoS provides the ability to mark or tag packets of a specific type or origin so that in a congested network the switches will give higher priority to the most important packets. RSTP (Rapid Spanning Tree Protocol) RSTP has been implemented in Schneider Electric automation products to allow multi-port devices to be connected in ring configurations. RSTP helps to prevent the formation of broadcast storms and monitors the state of the ring. Should a link in the ring become disconnected, the protocol routes packets in a different direction to help ensure continuity of service. Schneider Electric offers a network management software application tailored for the industrial control environment. ConneXium Network Manager has been developed with the Automation and Controls professional in mind. ConneXium Network Manager provides a window on network equipment operation to help improve plant productivity. The software can be used to: b Discover network devices and generate a network map b Set network performance thresholds and provide alerts on detected anomalies to help prevent downtime b Manage ports (multiple ports at once) b Baseline network performance b Document the network b Generate a report to send to technical support b Interface to SCADA via the built-in OPC server b The software is compatible with third-party products as well as with Schneider Electric network devices. Modicon M580 automation platform PlantStruxure Ethernet architectures Industrial Ethernet communication services Processors: page 1/20 I/O architectures: page 2/2 Ruggedized Modicon M580 modules: page 4/2 2 1 3 4 5 6 7 8 9 10 2 1 3 4 5 6 7 8 9 10

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