DS3800NGRC | Mark IV General Purpose Remote Controller Module

  • Model: DS3800NGRC
  • Brand: General Electric
  • Series: Speedtronic Mark IV
  • Core Function: General-purpose remote controller board for Mark IV systems—provides configurable remote control and monitoring capabilities for distributed control applications.
  • Product Type: Turbine Control Remote Controller Module
  • Key Specs: Configurable general-purpose remote controller, Mark IV backplane interface
  • ⚠️ Condition: New Surplus. Obsolete/discontinued by OEM.
Manufacturer:

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Description

 

Product Introduction

The DS3800NGRC is a general-purpose remote controller board for Mark IV systems—the “G” in the suffix indicates general-purpose functionality, the “R” indicates remote, and the “C” indicates controller. This board was used in distributed control applications where remote control and monitoring capabilities needed to be adapted to the Mark IV system. It provides flexible, configurable remote control interfaces that can be adapted to different applications.

The board plugs into the Mark IV backplane and provides a configurable remote control interface. It’s more flexible than the dedicated remote I/O boards, but that flexibility comes with more configuration effort. Compare this to the DS3800NGRA (remote adapter) or the DS3800NGPA (port adapter). The NGRC is a remote controller—it’s specifically designed for control applications where the standard boards don’t fit the configuration.

 

Key Technical Specifications

Parameter Value
Interface Type General-purpose remote controller, configurable
Configurable Control I/O Multiple options (depending on configuration)
Backplane Interface Parallel, Mark IV-specific
Diagnostic LEDs Power, Link Status, Activity, Fault
CPU Compatibility DS3800DMP series (Mark IV)
Backplane Current Draw +5V DC @ 0.8A, +12V DC @ 0.3A
Operating Temperature 0 to 60°C (non-condensing)
Dimensions 328 mm x 185 mm x 20 mm (full-length Mark IV)
Mounting Standard Mark IV rack slot
Configuration Configurable via jumpers or firmware

 

Compatible Replacement Models

Model Compatibility Level Notes
DS3800NGRC1 ✅ Drop-in Replacement NGRC with minor revision. Same functionality.
DS3800NGRA ✅ Drop-in Replacement General-purpose remote adapter—may be interchangeable depending on configuration.
DS3800NGPA ✅ Drop-in Replacement General-purpose port adapter—may be interchangeable depending on configuration.
DS3800NGMA ✅ Drop-in Replacement General-purpose I/O board—may be interchangeable depending on configuration.
DS3800NGDC ✅ Drop-in Replacement General-purpose fiber optic board—may be interchangeable depending on configuration.
DS3800NFCD ❌ Functionally Incompatible Dual-channel fiber optic board—different function. Not a remote controller.

 

Frequently Asked Questions (FAQ)

What does the NGRC board do?
The NGRC is a general-purpose remote controller board for Mark IV systems. It provides flexible, configurable remote control and monitoring capabilities for distributed control applications.

What’s the difference between the NGRC and the NGRA?
The NGRC is a remote controller—it provides control and monitoring capabilities. The NGRA is a remote adapter—it provides remote I/O interfaces. The NGRC is typically used for control applications; the NGRA is used for I/O connections.

How is the NGRC configured?
The NGRC is configured via jumpers on the board or through firmware settings. Check your system documentation for the specific configuration requirements. If you’re replacing a failed NGRC, photograph the jumper settings before removing the old board.

Can I hot-swap this board?
No. Mark IV backplanes are not hot-swappable. Power down the cabinet, lock out the breaker, and wait 60 seconds before removing or installing the board.

What’s the most common failure mode on the NGRC?
We’ve serviced about a dozen NGRC boards. The most common failure is the edge connector—corrosion from humidity. The second most common failure is the control logic circuitry—it can degrade over time. The board is repairable.

What’s your warranty and lead time?
We stock the NGRC in limited quantities. Lead time is 1-2 business days. We offer a 1-year warranty. We test every board with a 24-hour burn-in and a diagnostic verification. The test report is included.

Is this board compatible with the Mark VIe?
No. This board is for Mark IV systems only. The backplane architecture is different.

GE IS220PPDAH1B
ABB GDB021BE
GE 369-HI-R-M-0-0-0-E

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