Made for a remote surveillance, measureing and control, EMS-RTU is made for Power system management facility, and it enables an open interface, a high performance, a highly credible distibuted installation, and a remote management.
This device is organized with a main processing device, a field processing device and system management system. And in each control side, it is composed of an operation processing, a communication, input-output control and power.

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• High Performance & High Credibility

  - Module protection
  - Parallel processing

  - Redundancy
  - Module unit Expansion

• Distributed installation

  - Network communication method
  - Distributed operation

  - IED link

• Remote management

  - Remote monitoring terminal equipment connection
  - SMS (system management system)

  - Software DLL (Down Line Load)
  - Internet based remote management

• Open Interface

  - International standard protocol connection
  - Time Synchronization priority

  - System security management

• Communication function

  - Connection with EMS (energy management system)

  - Multi-Protocol and Multi-Tasking

• System diagnosis function

  - System Self-diagnosis and System Simulation Test

  - Cold/ Warm Restart, Application

• Standard Time synchronization function

  - System total time synchronization

  - GPS standard time reception

MPD receives commands from EMS and deciphers them in order to implement pertinent replies and processing. Also, it is attached with function that manages system configuration device. Main functions are system self-diagnosis, configuration, database management, communication schedule management, protocol conversion, communication with EMS/ I/O module, HMI connection with System Management System and Time Synchronization management.

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  MPD receives commands from EMS and deciphers them in order to implement pertinent replies and processing. Also, it is attached with function that manages system configuration device. Main functions are system self-diagnosis, configuration, database management, communication schedule management, protocol conversion, communication with EMS/ I/O module, HMI connection with System Management System and Time Synchronization management.
  As a SBC (single board computer) for a VMEbus, MPU board is designed adequately to be used as a system control board in a VME bus system.
  Using Intel’s [XP 425 Microprocessor), high performance processing is possible. MPU is attached with 256 Mbyte SDRAM, 512 KB EPROM, 16 MB Flash Memory, 8KB NVRAM/RTC, two 10/100 Ethernet Port and two serial ports, for enabling various applications.

CPU	32BIT IXP 425 533MHz
Memory	SRAM 8MB, SDRAM 256MB, EPROM 512KB, FLASH 16MB, NVRAM 8KB
O.S	Real Time Multi Task O.S(VxWorks)
Communication PORT	RS-232C 2Port, Ethernet 5Port(100MBpx 2Port, 10MBps 2Port)
System Bus Structure	Uses International Standard Bus VME
LED Display	PWR, RST, RUN, F/L, VME, SCN, OFA, OFB, LAN1/2/3/4(LINK, ACTIVE), CONSOLE&S1~S4(TX/RX)
Features	- 32Bit CPU with high speed processing capability - CMOS Component with a low power technology - VMEbus Master Interface - High speed DMA supports, for VME32 Standard - Watch-Dog Timer - Battery Back up Function

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  SIO-A board is a VMEbus board developed by using Intel’s [IXP 425 CPU] high-speed 32bit microprocessor.
  
  As a Single Board Computer, it is designed as the most adequate Slave Processing Board in VME bus system. Through high performance 32 Bit data processor, it is a controller board of which offers high credibility. Attached with a protocol conversion function with various high level HOSTs, it is responsible for communication interface. With them, connecting DATA with MPU through sharing memory on VMEbus side. Using four Ethernet ports, simultaneous connection is possible.

CPU	32BIT IXP 425 533MHz
Memory	SDRAM 64MB, EPROM 512KB, FLASH 16MB, NVRAM 8KB
Communication PORT	SDRAM 64MB, EPROM 512KB, FLASH 16MB, NVRAM 8KB
System Bus Structure	Uses International Standard Bus VME
LED Display	PWR, RST, RUN, VME, 1~8(TX/RX)
Features	- 32Bit CPU with a low power technology. - CMOS Component with a low power technology. - VMEbus Slave Interface - Watch-Dog Timer

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  SIO-B board is a VMEbus board developed by using Intel’s [IXP 425 CPU] high-speed 32bit microprocessor.
  
  As a Single Board Computer, it is designed as the most adequate Slave Processing Board in VME bus system. Through high performance 32 Bit data processor, it is a controller board of which offers high credibility. Attached with protocol conversion function with various high level HOSTs, it is responsible for communication interface with them, connecting DATA with MPU through sharing memory on VMEbus side.
  Using eight serial ports on back side of a board, a simultaneous connection with multiple HOSTs is possible.

CPU	32BIT IXP 425 533MHz
Memory	SDRAM 64MB, EPROM 512KB, FLASH 16MB, NVRAM 8KB
Communication PORT	RS-232C 10Port, Ethernet 2Port(10MBps)
System Bus Structure	Uses International Standard Bus VME
LED Display	PWR, RST, RUN, VME, 1~8(TX/RX)
Features	- 32 Bit CPU with high speed processing capability - CMOS Component with a low power technology. - VMEbus Slave Interface - Watch-Dog Timer

Depending on installation condition, FPD is installed as same place as MPD, or it could be dispersed in power generation or switchyard field. It accommodates interface of surveillance points and control points, and collects and generates digital, analog, and pulse information. Internal communication between MPD and FPD is applied with 100 Mbps optical fiber Ethernet based network communication of redundant ring method. And FPD’s module is composed to meet demands of users. It can accommodate up to sixteen input/output modules.

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  As a major processing module of FPD, a CPU module implements communication with MPD, accommodates I/O function modules responsible of input/output of a field in order to control data input/output of data with a field.
  
  Using Intel’s IXP425 Microprocessor, it could process high performance processing. Attached with 256 Mbyte SDRAM, 512 KB EPROM, 16 MB Flash Memory, 8 KB NVRAM/RTC, two 10/100 Ethernet port, and two Serial Port, it enables various applications.

CPU	32BIT IXP 425 533MHz
Memory	SRAM 8MB, SDRAM 256MB, EPROM 512KB, FLASH 16MB, NVRAM 8KB
O.S	Real Time Multi Task O.S(VxWorks)
Communication PORT	RS-232C 2Port, Ethernet 4Port(100MBpx 2Port, 10MBps 2Port)
System Bus Structure	Uses International Standard Bus VME
LED Display	PWR, RST, RUN, F/L, VME, SCN, OFA, OFB, LAN1/2/3/4(LINK, ACTIVE), CONSOLE&S1~S4(TX/RX)
Features	- 32 Bit CPU with high speed processing capability - CMOS Component with a low power technology. - VMEbus Master Interface - High speed DMA supports, for VME32 Standard - Watch-Dog Timer - Battery Back up 기능

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  DIM has functions of electric facility breaker open and shut, alarm state, relay auxiliary contact on/off state monitoring, SOE function. It detects electric facility’s block and open and shut state of each relay by using optical isolation method, and transmits this data to common control module.
  A state of breaker’s open and shut having a reclosing function, relay’s auxiliary state monitoring such as an alarm state rapidly detects On-Off, Off-On, On-Off-On, Multi-Off state in order to transmit data of which was ordered from SOE function.

CPU	32BIT TMS320C32
Memory	SRAM 1MB, EPROM 128KB, 4KB DPRAM, 32KB EEPROM
Input Points	32 Point / Module
Input Signal	Dry Contact
Monitoring Voltage	48V DC
SOE Resolution	1msec
Debounce Time	4~64msec (modification available)
LED Display	PWR, RST, RUN, VME, S1, S2, Status Display 1~32
Features	- 32 Bit CPU with high speed processing capability - CMOS Component with a low power technology - VME32 Standard, VMEbus Slave Interface - Watch-Dog Timer - Battery Back up Function
Insulation Method	Photo Coupler

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  DOM is activated when upper HOST does remote control, and a control output is a pulse signal using Dry-Contact point. It is used when a Trip/Close of same voltage performed and it is not activated when more than two breakers are chosen simultaneously.

CPU	32BIT TMS320C32
Memory	SRAM 1MB, EPROM 128KB, 4KB DPRAM, 32KB EEPROM
Output Points	16 Point / Module
Output Signal	Relay Contact
Holding Time	100ms ~ 6000ms(Adjustable)
Controlling Voltage	24V DC
LED Display	PWR, RST, RUN, VME, S1, S2, OPR, RLY, Output 1~32
Features	- 32 Bit CPU with high speed processing capability - CMOS Component with a low power technology. - VME32 Standard, VMEbus Slave Interface - Watch-Dog Timer - Check Before Operate function
Insulation Method	Relay and Secondary division by Relay Output side is insulated electronically (Photo Coupler insulation)

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  AIM converts analog signal attained from electricity facility to digital signal which is sent to MPD. And its input is supplied at conversion device.

CPU	32BIT TMS320C32
Memory	SRAM 1MB, EPROM 128KB, 4KB DPRAM, 32KB EEPROM
Input Points	16 Point / Module
Input Signal	Can be selected between 0~1mA, 4~20mA, 0~5V
Output Signal	16 BIT Digital
LED Display	PWR, RST, RUN, VME, S1, S2
Features	- 32 Bit CPU with high speed processing capability - CMOS Component with a low power technology. - VME32 Standard, VMEbus Slave Interface - Watch-Dog Timer

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  AOM is used for generator’s output control. A control output is an analog value (Set Point), and it is combined with a control facility (DCS). A control output maintains its current value until next command. A set of point output module displays information received from center device into decimal number, and sends output of control and alarm signals.

CPU	32BIT TMS320C32
Memory	SRAM 1MB, EPROM 128KB, 4KB DPRAM, 32KB EEPROM
Output Points	4 Point / Module
Output Signal	Can be selected between 4~20mA, 0~5V
Designated Output	16 BIT Digital
LED Display	PWR, RST, RUN, VME, S1, S2
Features	- 32 Bit CPU with high speed processing capability - CMOS Component with a low power technology - VME32 Standard, VMEbus Slave Interface - Watch-Dog Timer
Insulation	Photo Coupler

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  PIM is used for pulse data processing. Pulse data is generated at electricity facility (e.g.: generation capacity). Similar to digital data, it uses and processes an Optical Isolation method. Data changed in its state is saved and integrated within current. Followed from EMS command signal, it transmits and processes data.

CPU	32BIT TMS320C32
Memory	SRAM 1MB, EPROM 128KB, 4KB DPRAM, 32KB EEPROM
Input Points	8 Point / Module
Input Current	Less than 6mA
Input Voltage	DC 48V (Pulse Count)
Debounce Time	4 ~ 64ms
LED Display	PWR, RST, RUN, VME, S1, S2
Features	- 32 Bit CPU with high speed processing capability - CMOS Component with a low power technology. - VME32 Standard, VMEbus Slave Interface - Watch-Dog Timer
Insulation	Photo Coupler

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  POM is used when a generator automatically sends calculated fluctuation value at EMS.
  And it is sent as pulse-width signal using a contact point without an application of check before operation function.

CPU	32BIT TMS320C32
Memory	SRAM 1MB, EPROM 128KB, 4KB DPRAM, 32KB EEPROM
Input Points	4 Point / Module
Output Relay Burden	DC 125V, 0.5A (Dry Contact)
Activation Method	Direct Operate
Relay Activation Time Control Range	200ms ~ 1.4sec (variable 200ms STEP)
LED Display	PWR, RST, RUN, VME, S1, S2
Features	- 32 Bit CPU with high speed processing capability - CMOS Component with a low power technology - VME32 Standard, VMEbus Slave Interface - Watch-Dog Timer