Intelligent Gateway – DGW-A2/A4


As the compact protocol gateway for system integrated application, DGW-A2/A4 is designed in conformity with the new IEC 61850 standards. It can be anywhere deployed to be a smart unit to transfer data by its RS232/RS485 serial ports and Ethernet ports. By importing any prespecified IEC 61850 SCL (.icd/.cid) template file and after mapping the data to internal VMD model with the configuration tool – ICE, this unit can be viewed just as the standard IEC 61850 IED from the master station.

With powerful data communication and process function, high reliability, low power consumption, flexible and easy installation advantages, DGW-A is the ideal intelligent device choice for all kinds of system integrated applications.

Product details
Special designing based on ARM Cortex-A8 architecture
High performance yet ultra low power consumption
Easy IEC 61850 SCL (CID/ICD) import and configuration process
Configurable MMS (IEC 61850-8-1) server & client application
Support GOOSE publish and subscribe
Built-in SoftPLC calculating task
Configurable hardware watchdog
Full functional NTP for time synchronization
Dual mode of RS232/RS485 isolated serial ports
Support GPRS/3G wireless communication
Remote diagnosis or maintenance by network
Compliant to IEC 61850-3, IEEE 1613 standards
Support protocol IEC 60870-101/103/104, Modbus/RTU, Modbus/TCP
Features & Benefits
Hardware Parameters Performance: ARMv7 800MHz Core
RAM: 512M DDR2-333
Build-in storage: 512M Nand Flash
Extra storage: 8G/64G Micro SD(Optional)
Ethernet: 10/100Base-T
Serial Ports: RS232/RS485 (Isolated)
Wireless Port: 3G GRPS
Firmware DNP 3.0 Level-2 over serial port or LAN
Modbus (RTU/ASCII)/Modbus over serial port and LAN
IEC 60870-5-101/103/104 salve/master
SoftPLC calculator
Customer specified
Technical Benefits Easy framework configurable by all-in one integration tools
Later data binding & mapping technology without needing change SCL modeling file
Advanced data internal processing functionality
Technical Parameters
DG-A2 Console port RS232, RJ45
Serial ports 2 x RS232/RS485 (Isolated)
Ethernet 1 x 10/100M RJ45
GPRS Module 1 x 3G Optional
Build-in storage 512M Nand Flash
Extra storage N/A
Hardware Watchdog Configurable
Time Synchronization NTP
Power Supply 12-24VDC
Power Consumption <5W
Weight 0.5kg
Dimension (WxHxD): 48x138x86 mm
Mounting DIN Rail
Operating Temperature -40 to 85°C
DG-A4 Console port RS232, RJ45
Serial ports 4 x RS232/RS485 (Isolated)
Ethernet 2 x 10/100M RJ45
GPRS Module 1 x 3G Optional
Build-in storage 512M Nand Flash
Extra storage 8G/64G Micro SD
Hardware Watchdog Configurable
Time Synchronization NTP
Power Supply 12-24VDC/85-264VAC
Power Consumption <5W
Weight 0.5kg
Dimension (WxHxD): 54x139x118 mm
Mounting DIN Rail
Operating Temperature -40 to 85°C
Electrical Parameter Input: 12~24V DC or 85~264V AC
Average power consumption: 5W
Relative humidity: 5%~ 95% (no condensation)
Electrostatic discharge immunity test: GB/T 17626.2-1998 IEC 61000-4-2-1995 class 4
Transient immunity: GB/T 17626.4-1998 IEC 61000-4-4-1995 class 4
Surge immunity: GB/T 17626.5-1998 IEC 61000-4-5-1995 class 4
Power frequency magnetic fields immunity: GB/T 17626.8-1998 IEC 61000-4-8-1995 class 5
Ring waves immunity: GB/T 17626.12-1998 IEC 61000-4-12-1995 class 4
Pulse magnetic field immunity: GB/T17626.9-1998 IEC 61000-4-9-1995 class 5
Damped oscillatory magnetic field immunity: GB/T17626.10-1998 IEC 61000-4-10-1995 class 4
Voltage dips and short interruptions and voltage variations immunity: GB/T 15153.1-1998 IEC 61000-4-11 2004 Δ U-100%, Δ t = 0.5s
Insulation resistance: >5MΩ
Insulating strength: no breakdown when applying 500V and 1500V to the communication ports and power supply ports respectively
Dry heat test: GB/T2423.2-2001 IEC 60068-2-2 75°C, 24 hours
Cold test: GB/T2423.1-2001 IEC 60068-2-1 -25°C, 24 hours
Damp heat: GB/T2423.3-1993 IEC 60068-2-3 +40°C ± 2°C, 93% ± 3%, insulation
resistance: >1MΩ
Approvals CE
IEC 60950-1, EN 60950-1
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