DS3800HIOB1H1G GE

Parameters

• Analog Inputs: 8 channels, 4–20mA (default) or 0–10V DC (jumper-configurable)

• Analog Outputs: 4 channels, 4–20mA (default) or 0–10V DC (jumper-configurable)

• Resolution: 12-bit ADC (inputs) / 12-bit DAC (outputs)

• Accuracy: ±0.06% of full scale (H1 improved over C1’s ±0.07%)

• Input Impedance: 250Ω (current) / >1MΩ (voltage)

• Output Drive: 4–20mA into 750Ω max / 0–10V into 5kΩ min

• Filtering: 50Hz/60Hz adaptive noise rejection with enhanced drift monitoring (H1 feature)

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

• Power: +5V DC @ 1.1A, +15V DC @ 0.35A (higher than HIOA due to more channels)

• Scan/Update Rate: 50ms (inputs, H1 optimized) / 50ms (outputs)

• Coating: Heavy conformal coating (suffix G) – multi-layer acrylic with enhanced chemical and moisture resistance

• Temp Range: -20°C to +75°C (widest range, enabled by G coating)

• Mounting: 6U VME Eurocard, single-slot

• Diagnostics: Enhanced onboard with per-channel LED status, signal noise detection, advanced drift monitoring, calibration alerts, and predictive maintenance indicators (H1 feature)

Advantages & Features

• Higher channel density – 8 analog inputs + 4 analog outputs on a single board, providing more control loops than HIOA (4 in/4 out)

• H1 firmware offers the highest accuracy (±0.06%), fastest update (50ms), adaptive 50/60Hz filtering, enhanced drift monitoring, and predictive maintenance diagnostics – the most advanced firmware in the HIO series

• Higher isolation (2500V) protects against ground loops and transient surges

• Versatile signal support – inputs and outputs independently configurable for 4–20mA or 0–10V, compatible with most industrial transmitters and actuators

• G-grade coating provides excellent resistance to humidity, salt spray, and mild chemical exposure – suitable for coastal, offshore, and industrial environments

• Widest temperature range (-20°C to +75°C) among HIO variants

• Front-panel LEDs for per-channel status including drift alerts, calibration reminders, and predictive maintenance warnings

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

Application Cases

• Turbine inlet guide vane (IGV) position control – reading multiple position feedbacks and outputting to positioners in offshore or coastal environments

• Fuel gas pressure and flow control – multiple pressure transmitters and control valve positioners in gas turbine fuel skids with salt spray exposure

• Steam pressure, flow, and temperature control – for steam turbine throttle, extraction, and reheat lines in challenging industrial environments

• Lube oil pressure, temperature, and cooling control – multiple sensors and actuators on bearing systems requiring high accuracy and predictive maintenance

• Retrofit projects upgrading from B1/C1 firmware or lower-grade coatings for superior performance and environmental protection

Competitor Comparison

• vs. DS3800HIOB (standard B variant): Substantially improved accuracy (±0.06% vs. ±0.1%), faster scan (50ms vs. 100ms), higher isolation (2500V vs. 1500V), H1 diagnostics, G coating, and wider temp range – significant upgrade

• vs. DS3800HIOA1C1E (A/C1/E variant): More inputs (8 vs. 4), better accuracy (±0.06% vs. ±0.07%), faster update (50ms vs. 60ms), H1 diagnostics, and superior G coating (vs. E)

• vs. DS3800HIOB1D1D (B/D variant): Significant improvements in accuracy, speed, isolation, H1 features, G coating, and temperature range

• vs. DS3800HIMA1C1D (input-only C1/D): HIOB1H1G offers outputs in addition to inputs, higher accuracy, faster scan, and superior G coating – HIMA offers 8 differential inputs vs. HIOB’s 8 single-ended inputs

• vs. DS3800HSCB (high-speed analog): HIOB1H1G offers hybrid I/O and higher accuracy (50ms); HSCB offers even faster scanning for dynamic signals

• vs. ABB TB711 : ABB offers higher resolution (14-bit), but HIOB1H1G offers hybrid I/O, higher accuracy (±0.06%), higher isolation (2500V vs. 1500V), H1 predictive diagnostics, and superior G coating

• vs. Siemens 7MH410 : Siemens offers HART protocol support, but GE offers hybrid I/O with higher density, superior accuracy, and G-grade environmental protection

• vs. Woodward 8440-2015 : Woodward offers more flexible configuration software, but GE HIOB provides a compact hybrid solution with higher accuracy, H1 diagnostics, and superior coating

• vs. Honeywell 51304638 : Honeywell offers similar long-term stability, but GE HIOB1H1G offers hybrid I/O (8 in/4 out vs. input-only on Honeywell), higher density, and G coating

Selection Suggestions

• Critical: Confirm input and output signal types (4–20mA or 0–10V) before installation – jumpers must match your transmitters and actuators

• Verify your backplane provides both +5V and +15V with sufficient current capacity (+5V @ 1.1A, +15V @ 0.35A)

• Assess if H1’s predictive maintenance diagnostics are beneficial – particularly valuable for critical turbine control loops where early fault detection is essential

• Evaluate environmental conditions – G coating is suitable for salt spray, frequent humidity, and mild chemical exposure; choose H coating for the most extreme conditions

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

• For critical applications, purchase with a calibration certificate and 12-month warranty

Precautions

• Critical: Do not exceed 30mA or ±30V on input channels – overvoltage may damage the ADC and isolation circuits

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

• Critical: Use shielded twisted-pair cables for all analog inputs and outputs to avoid EMI – H1’s adaptive filtering helps but is not a substitute for good wiring practices

• Critical: H1 predictive maintenance diagnostics require a stable reference and proper warm-up – allow 45–60 minutes before relying on advanced diagnostics

• Ensure field power supply (+24V DC) for loop-powered transmitters is stable and within specifications (if used)

• H1 firmware offers adaptive 50/60Hz filtering – configure jumpers correctly for your region’s line frequency

• G coating provides excellent protection but is not suitable for direct immersion, heavy chemical spills, or continuous condensation – consult GE for extreme conditions

• Allow 45–60 minute warm-up before calibration (G coating affects thermal equilibrium)

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

• Periodically verify input and output calibration every 2 years against a certified reference

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

• If replacing separate input and output boards, verify wiring and pinout compatibility – HIOB may differ from HIOA or other series in pin assignments

• G coating may make component-level repairs difficult – consider board replacement instead of repair