26 GE INFORMATION D20E ETHERNET I/O MODULE INSTRUCTION MANUAL
CHAPTER 1: BEFORE YOU START
Specifications
D20E Ethernet I/O Modules are data collection and control devices integrated with network
communication technology for smart grid and substation automation. The D20E modules
are a combination of hardware and software systems with either DNP3 TCP/IP subset
level
2 or IEC 61850 GGIO server protocols.
Each D20E module is designed and implemented with:
• The input/output allocation for the four different modules:
– D20E-A: 32 DC Analog Input channels (with 32 high/low alarm points)
– D20E-K: 32 Control Outputs (can be configured into 4 different control output
types)
– D20E-S: 64 Digital Inputs (COS and SOE)
– D20E-C: 8 Control Outputs, 16 Analog Inputs and 16 Digital Inputs
• Four 10/100Base-T Local Area Network interfaces supporting 2 independent networks
for redundancy;
• One USB 2.0 console port.
• Two DC Power Supply inputs for supporting dual mirrored power sources.
All specifications for D20E modules are shown below. These specifications are subject to
change.
Specifications are provided for:
• Digital inputs on page 27
• Control outputs on page 28
• Analog inputs on page 29
• Power supply on page 29
• Enclosure electro-magnetic capability on page 30
• Environmental on page 30
• Physical on page 30
• Communication ports on page 31
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