Description

GE DS3800NVCD Digital I/O Board

Technical Specifications

• Product Model: DS3800NVCD
• Brand: GE
• Warranty: One Year
• Input Voltage: 5 V DC rack logic supply; 24 V DC field discrete‑signal
• Operating Temperature: ‑20 °C ~ +70 °C
• Storage Temperature: ‑40 °C ~ +85 °C
• Response Time: Discrete‑signal scan ≤1 ms
• Protection Class: IP20 plug‑in rack PCB
• Accuracy Class: Not applicable
• Output Frequency: Not applicable
• Rated Current: 0.55 A typical board consumption
• System Compatibility: GE Speedtronic Mark IV turbine control system
• Function: Discrete digital input / output board; collects field‑limit‑switch, auxiliary‑contact status and drives solenoid / auxiliary‑device control outputs for turbine‑auxiliary equipment
• Diagnostics: Per‑channel status LED indicators, short‑circuit protection
• Certifications: CE
• Humidity: 5‑95 % RH, non‑condensing
• Weight: 0.38 kg
• Dimensions: Standard Mark IV euro‑card PCB footprint
• 

Product Overview

DS3800NVCD is digital I/O circuit board for GE Speedtronic Mark IV turbine‑control racks. It interfaces turbine‑auxiliary‑field discrete signals between main processor and plant‑field devices including limit switches, solenoid valves and motor‑auxiliary contacts. Each channel provides status indication and over‑current protection. Obsolete digital‑I/O spare‑board available as refurbished and new‑old‑stock units for legacy turbine‑cabinet overhaul.

Application Notes

‑ Mount in Mark IV control‑rack I/O slots. ‑ Confirm field‑signal voltage matches board channel specification. ‑ ESD protection required for PCB‑handling. ‑ Typical deployment: steam‑gas‑turbine auxiliary‑control‑logic spare‑part stocking.