GE DS3800HLNC

Parameters

• Output Type: 24V DC discrete (transistor, sourcing or sinking configurable)

• Output Channels: 16 channels (higher density than HLNA’s 8)

• Output Voltage: 24V DC (nominal), 10–30V DC range

• Output Current: 0.5A per channel (short-circuit protected)

• Response Time: <0.5ms (high-speed logic capability)

• Isolation: 2500V RMS optical isolation (channel-to-backplane)

• Power: +5V DC @ 0.9A, +24V DC @ 0.35A (higher due to more channels)

• Diagnostics: LED status per channel, short-circuit protection, and open-wire detection

• Coating: Basic conformal coating (suffix C – single-layer acrylic)

• Temp Range: 0°C to +60°C (or extended if C indicates enhanced coating; verify with supplier)

• Mounting: 6U VME Eurocard, single-slot

• Compatibility: Mark IV backplanes and some VIe systems (with adapter)

Advantages & Features

• Higher channel density – 16 high-speed outputs on a single board, more than HLNA’s 8 channels

• Ultra-fast output response (<0.5ms) – designed for critical trip and protection logic

• Flexible output configuration – channels can be set as sourcing or sinking via jumpers

• Short-circuit protected outputs prevent damage from field wiring faults

• Isolated channels protect the backplane from field wiring faults and surges

• C-grade coating provides basic moisture and dust protection for indoor installations (verify actual level with supplier)

• Front-panel LEDs for per-channel status, fault, and output state indication

• Compatible with Mark IV backplanes and some VIe systems (with adapter)

Application Cases

• Overspeed trip outputs – high-speed solenoid actuation for turbine overspeed protection with multiple trip channels

• Flame detection outputs – fast fuel trip valve actuation for burner management systems across multiple zones

• Emergency trip systems (ETS) – critical output actuation for emergency shutdown with high channel count

• Turbine start-up sequencing – fast-response output for starter, purge, and auxiliary valves

• Retrofit projects replacing multiple lower-density high-speed output boards with a single higher-density solution

Competitor Comparison

• vs. DS3800HLNA (A variant): More output channels (16 vs. 8) – HLNC offers higher density, but coating and response time may be similar

• vs. DS3800HLNA1D1A (D1/A variant): HLNC offers more channels but may lack D1 firmware features and A-grade coating – choose based on channel count vs. advanced diagnostics

• vs. DS3800HHTB1D1D (relay output): HLNC offers significantly faster response (<0.5ms vs. 12ms) – better for high-speed protection

• vs. DS3800HLCB (hybrid high-speed I/O): HLNC is output-only with faster response than HLCB’s output response (<1.2ms) – better for critical protection outputs

• vs. DS3800HLIA (high-speed input): HLNC is the output counterpart – use both for complete protection I/O

• vs. ABB DSDI series: Similar high-speed discrete capability, but GE offers faster output response and higher density

• vs. Siemens 6ES7 series: Similar functionality, but GE offers faster response and higher channel density

• vs. Woodward 5437 modules: GE offers faster response and higher output density

Selection Suggestions

• Critical: Confirm output configuration (sourcing vs. sinking) – jumper settings must match your field devices (solenoids, valves, relays)

• Critical: Confirm output load current – do not exceed 0.5A per output channel

• Verify your backplane provides both +5V and +24V field power with sufficient current capacity (+24V @ 0.35A)

• Assess channel count – 16 outputs cover larger actuation applications with multiple high-speed outputs

• Critical: Verify the actual coating level for the “C” suffix – in some series C indicates enhanced coating, in others it is basic; confirm with supplier documentation

• Evaluate environmental conditions – upgrade to D/G/H if higher protection is needed

• Order mating front connector (p/n may vary – confirm with GE)

• For critical protection applications, consider used/refurbished units with 90-day warranty

Precautions

• Critical: Do not exceed 30V DC or 0.5A per output channel – overvoltage or overcurrent may damage the output transistors

• Critical: Do not short-circuit output channels – outputs are protected but prolonged shorts may cause damage

• Critical: High-speed outputs are sensitive to inductive kickback from solenoids – use flyback diodes or surge suppressors across inductive loads to prevent damage

• Ensure field power supply (+24V DC) is stable and within 10–30V DC range

• Use properly sized wiring for output currents – undersized wires may cause voltage drop and overheating

• Verify the actual coating level – if C indicates basic coating, it does not protect against humidity or corrosive gases

• Allow 30-minute warm-up before commissioning

• Store in ESD-safe packaging – edge connector is static-sensitive

• Periodically verify output operation every 6 months (critical protection circuits require frequent testing)

• Do not hot-swap – Mark IV backplanes require power-off for insertion/removal

• If replacing multiple lower-density boards, verify wiring and pinout compatibility – HLNC may differ from HLNA in pin assignments