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MultilinD20/D200 Substation Controllers Simple to Advanced Substation Automation Control The Multilin D20/D200 Substation Controllers offer an industry leading design embedded with high value substation automation applications that provide cost savings, increased reliability, and improved operational efficiencies in electric power substations. The ability to support a wide range of communication protocols and applications,

allows the D20 to be interoperable with a broad range of intelligent electronic slave and master devices. The D20 can execute simple to complex local logic, compile and process data [collect and convert] and reports upstream to master stations. The D20’s distributed, expandable I/O architecture and mission-critical automation control applications reinforce why the D20 controller is being used in over 40,000 installations around the world. Key Benefits In a mission-critical substation-hardened package, the D20/D200 provides:https://www.axcontroler.com/
•Substation client and server functionalities by maintaining a distributed architecture for gathering and controlling data on substation equipment while sending data to master stations via serial RS-232, RS-485, fibre optic or Ethernet interfaces for point to point, multi-drop and remote connections.
•Support for a broad range of SCADA host protocols, IED protocols, Communication options, Input/output (I/O) peripheral modules, and operation and maintenance utilities substation automation applications. Refer to the hardware manual and see the appendix section of this document for more details. Applications Functionalities such as data concentrator, protocol converter or a local automation platform to implement popular distribution automation applications such as capacitor bank control, outage prevention programs, feeder resource optimization and control interlocking inhibition and subgrouping. Functionalities such as data concentrator, protocol converter or a local automation platform to implement popular distribution automation applications such as capacitor bank control, outage prevention programs, feeder resource optimization and control interlocking inhibition and subgrouping.

•Data Concentrator Automatically consolidates collected information from intelligent electrical devices (IEDs), such as relays and meters, and communicates to SCADA, EMS, DMS and Data Historian systems
•Protocol Converter Translates different data message formats between devices to support interoperability
•Local Automation Platform Implements popular distribution automation applications such as capacitor bank control, outage prevention programs, feeder resource optimization and control interlocking, inhibition and subgrouping

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 User Programmable Logic:
•LogicLinxmodule: IEC61131-3 compliant PLC-type logic with full support for 5 programming languages
•Calculator module: Soft logic utility to perform mathematical and logical operations Generation, Transmission, and Feeder Bay Automation Applications: • Automatic Voltage Control module: Maintains steady voltage base on user-defined targets and settings
•Local / Remote Data Translation module:A master local/remote switch to control the local/remote state of distributed devices
•Secondary Master Trip/Close module:Enables the use of individual relays (with external terminations) as master trip/close relays

•Set-point Adjustment module: Adjust set points based on control request durations or analog input values
•Tap Position Indication module: Translates status points into scaled analog input values to reflect transformer tap positions Distribution Automation Applications:
•Auto Reclose: Automatically reclose tripped circuit breakers following momentary faults
•Automatic Restoration: Patented load transfer scheme isolates faults and restores power to non-faulted sections if possible

•Distribution Capacitor Control Algorithm:Improves reactive support during peak periods through more effective use of existing capacitor banks
•Fault Localization:Locates and isolate faults to reduce customer outage times
•Load and Dead Bus Transfer:Monitors a network of substations and move load off overloaded transformers to other stations as required
•Load Shedding/Curtailment:Sheds load intelligently during overload conditions Data Logging / Storage Applications:
•SOE Local Logger:Logs digital and analog SOEs to an external printer, PC or to a CSV file
•Accumulator Freeze:Coordinates freezing of accumulator groups
•Event Storage:Stores history of current values, status, and time-tags of analogs and accumulators for up to 7 days
•Historical Analog:Stores averaged historical values for up to 8 analog inputs 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 https://www.axcontroler.com/

Configuration and Maintenance Facility The D20/D200 is equipped with a range of maintenance utilities to assist the user in configuring, testing and monitoring the system. ConfigPro ConfigPro is a tool, installed on a personal computer, which helps you manage information associated with your GE Energy equipment. The primary use of ConfigPro is to facilitate the configuration of D20/D200 hardware and software through the maintenance port on the main processor and I/O peripheral. Information is accessed through a hierarchy of windows, as follows:
Project Window:Provides a graphical representation of your project. Each device in the project is represented by a corresponding icon. Connections between devices are shown by a series of lines and arrows.
Device Window:When you double-click on a device, the device window is opened in the main area. The device window will display all of the configurable applications for the device.
The device window has four tabs:
•Data collection applications
•Data translation applications
•System point database applications
•Data processing applications Application Window:Displays the tables for a particular application Report Window: Allows you to select and print reports. SGConfig SGConfig is the latest software used to configure D20/D200. SGConfig replaces ConfigPro because it supports Windows 7 - 32 and 64-bit operating systems while maintaining backwards compatibility with Windows XP. It is a PC software-based user interface that allows users of GE Substation Gateways to efficiently manage configuration files for the RTUs series of Substation controllers. SGConfig includes all of the functionality available in the ConfigPro software, provides enhanced visual representation of your substation hardware configuration and device software configuration. In addition to the ConfigPro functionality, SGConfig provides support for::
•Importing and exporting xml representation of D2x devices
•D25 KT control card
•D25 Ethernet 100/10 MB card
•Secure configuration transfer to/from D20 devices with D20MX processors over Ethernet connections.

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