General Electric DS200GSNAG1A

Technical Parameters & Specifications

Core Advantages & Key Features

• Multi‑Port Serial Interface with Network Connectivity – The DS200GSNAG1A provides four configurable serial ports (up to 921.6 kbps) for simultaneous communication with multiple serial devices, plus an Ethernet port for network integration.

• Annunciator Interface – Supports connection to annunciator panels for audible and visual alarm indication, with acknowledgment inputs for operator response.

• Configurable Serial Ports – Each serial port can be independently configured for RS-232, RS-422, or RS-485 operation via software.

• Expanded Protocol Support – The Revision A adds IEC 60870-5-101 protocol support and higher data rates, enabling integration with utility SCADA and telecontrol networks.

• Higher Data Rates – Supports data rates up to 921.6 kbps (increased from 115.2 kbps) for faster communication with high‑speed devices.

• Alarm Management – Integrated annunciator functionality with alarm prioritization, acknowledgment, and logging.

• Digital I/O for Annunciation – 8 digital inputs for alarm acknowledgment and 8 digital outputs for driving annunciator lamps or horns.

• Extended Temperature Range – Rated for -40°C to +70°C, suitable for extreme environmental conditions.

• Enhanced Diagnostics – The Revision A adds protocol-level monitoring for proactive maintenance.

• Electrical Isolation – 2500 VAC isolation between field signals and logic ensures operator and processor safety.

• Robust Environmental Protection – Enhanced conformal coating and 30µin gold-plated edge connectors ensure reliable operation.

• Plug-and-Play Compatibility – Integrates with DS200CPCAG1A processors and other Mark V boards.

Typical Applications

• Serial Network Integration – Connects Mark V system to serial devices and networks.

• Annunciator Panels – Drives alarm annunciation panels for visual and audible alerts.

• Data Acquisition – Collects data from serial field devices for monitoring and control.

• Alarm Management – Manages alarm prioritization, acknowledgment, and logging.

• SCADA Integration – Connects to SCADA networks via DNP3, IEC 60870-5-101, or Modbus protocols.

• Legacy System Integration – Interfaces with legacy serial devices in existing installations.

• Extreme Environment Installations – Suitable for outdoor, desert, or Arctic installations.

Comparison: DS200GSNAG1A vs. Base Version vs. Standard Boards

Selection Guidelines & Precautions

• Verify Serial Requirements – Ensure the board supports the required number of ports, interface types (RS-232/RS-422/RS-485), and protocols (Modbus RTU, TCP, DNP3, IEC 60870-5-101, or GE proprietary).

• Check Data Rate Needs – For high‑speed devices, the DS200GSNAG1A supports data rates up to 921.6 kbps.

• Check Annunciator Needs – Ensure the board has sufficient digital I/O for annunciator panel connection.

• Evaluate Network Needs – The integrated Ethernet port provides connectivity for plant‑wide networks.

• Evaluate Environmental Conditions – For extreme temperatures (below -30°C or above 65°C), the DS200GSNAG1A is rated for such conditions.

• Protocol-Level Diagnostics – For advanced troubleshooting, the protocol-level monitoring feature provides detailed communication analysis.

• Proper Wiring – Follow all safety practices and local codes.

• Firmware Compatibility – Compatible with DS200CPCAG1A and other Mark V processors. Advanced features may require firmware revision 3.0 or higher.

• Spare Parts Strategy – The DS200GSNAG1A is the preferred replacement for the base DS200GSNAG1. Maintain spares for critical serial network and annunciation applications.

Summary

The DS200GSNAG1A is an enhanced serial network and annunciator gateway board for GE Mark V systems, providing four configurable serial ports (up to 921.6 kbps), Ethernet connectivity, expanded protocol support (Modbus RTU, TCP, DNP3, IEC 60870-5-101, GE proprietary), annunciator I/O (8 inputs, 8 outputs), extended temperature range (-40°C to +70°C), protocol-level monitoring, and 2500 VAC isolation. It enables serial network communication with external devices, Ethernet integration, and integrated alarm annunciation. This revision is the recommended replacement for the base DS200GSNAG1. The board integrates with DS200CPCAG1A processors. Selection requires evaluation of serial port requirements, data rates, protocol support, network needs, annunciator needs, and environmental conditions.