Description
Substation Controller Connectivity The D20/D200 can support a wide range of substation automation communication protocols and enhanced SCADA applications. See Appendix B for a list of supported protocols for both client and server devices. The following summarizes some of the different data translation applications that are equipped in the D20/D200. Multilin D20/D200 Data Translation Applications
Communication Services Applications: • Communication Watchdog: Monitors and report the health of communications • Substation Maintenance: Suppresses SCADA point reporting during substation maintenance • Virtual Terminal: Directs remote access to connected devices • Line Switch: Monitors main and secondary communication channels and retransmits on a third channel • LAN Services: TFTP, SPT Server/Client, Time Server/Client • COM Statistics: Records a detailed communication pass/fail statistics • IRIG B Source: Time sync connected devices using IRIG-B • SNTP Client: Time sync over an Ethernet LAN
Data Reduction and Summarizing Applications:
• Analog Reference: Monitors analog input hardware for good or bad reference values
• Data Change Detect: Toggles a status point every time any data in a configured group changes
• Alarm Prioritization: An alarm filter designed to manage the 3 level alarms reported by GE’s DART pole-top/pad-mount distribution RTU
• Analog Averaging: Averages analogs at regular intervals
• General Alarm: Groups alarms together to create summary alarms
• Top of Hour (TOH) Analog Averaging: Averages analogs at regular intervals relative to the top of the hour
• Redundant I/O: Provides data from a backup source if the primary source is off-line
Data Conversion Applications:
• Digital-Analog Value Conversion: Converts digital input groups to analog data using binary, BCD, or gray code encoding
• Digital Input to Counter: Counts the number of SOE or COS transitions on status points
• BCD Setpoint: Translates analog output requests into a group of BCD encoded control points
• Accumulator Delta to Analog: Converts accumulators to analog values for protocols that do not support counters
• Time Stamp: Interprets each bit in an analog input as a status point, and create SOEs appropriately
• Analog to Digital Conversion: Converts analog inputs into groups of binary coded control outputs
• Mailbox: Converts analog outputs into analog inputs so they can be read by all masters
Main brands include: ABB, Bailey, GE, FOXBORO, Invensys TRICONEX, Bentley BENTLY, A-B Rockwell, EMERSON EMERSON, B&R, MOTOROLA, FUANC, REXROTH, KUKA, HONEYWELL, NI, DEIF, Yokogawa, WOODWARD, Ryan, SCHNEIDER SCHNEIDER, Yaskawa, MOOG, EPRO, PROSOFT and other major brands
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