GE DS3800HLIC1B1C | IS200 I/O Link Card Fast Shipping

Description

Product Introduction

The GE DS3800HLIC1B1C is a fully populated I/O link card from the Mark VI Speedtronic series, combining RTD and thermocouple input capability on a single board with factory-optimized jumper settings for PT100 RTDs on channels 1-4 and Type K thermocouples on channels 5-8. This dual-sensor configuration is specifically engineered for turbine applications requiring both bearing temperature monitoring (RTDs) and exhaust gas temperature measurement (thermocouples).

What sets the 1B1C variant apart is its factory-set jumper configuration that eliminates the need for field-calibration of two distinct sensor types on one board. Channels 1-4 come pre-configured with 1 mA constant current excitation for PT100 RTDs, while channels 5-8 are set for Type K thermocouple operation with cold-junction compensation. For combined cycle and cogeneration plants, this board consolidates what traditionally required two separate I/O cards, freeing up rack slots for future expansion. We stock verified units with logged firmware versions and complete test records. No rework, no counterfeit—just OEM-spec hardware ready for deployment.

Key Technical Specifications

Key Selling Points & Differentiators

• Dual-Sensor Consolidation: Four PT100 RTD channels + four Type K thermocouple channels on one board—reduces rack slot usage by 50% compared to dedicated sensor cards.
• Factory-Optimized Jumper Configuration: 1B1C suffix sets RTD excitation on channels 1-4 and thermocouple CJC on channels 5-8, saving approximately 3 hours of field commissioning time.
• Precision PT100 Conditioning: 1 mA excitation current with ratiometric measurement ensures ±0.1°C resolution across the full industrial temperature range.
• Type K Thermocouple Linearization: Factory-verified NIST linearization tables with cold-junction compensation accuracy of ±0.5°C eliminates manual cold-junction reference calculations.
• Full Factory Test: Every unit undergoes a 24-hour burn-in with live I/O loopback, PT100 simulation (spanning –50°C to +300°C), thermocouple simulation, and communication handshake verification—includes signed QC report with measured values for all eight analog channels.
• 30-Day Compatibility Guarantee: If the module does not function in your specific firmware revision (we log the onboard firmware), return for full credit—no restocking fee.
• Anti-Counterfeit Sealed: Each DS3800HLIC1B1C ships with tamper-evident packaging and visual inspection photos taken at receipt.
• Cost-Effective Alternative: Priced 45-60% below GE’s new MSRP while maintaining OEM-spec performance through live testing.

Frequently Asked Questions (FAQ)

Can I hot-swap the DS3800HLIC1B1C while the turbine is running?
No—absolutely not. The Mark VI backplane does not support live insertion for this module. You will need a full shutdown and power cycle. In our experience, attempting hot-swap can corrupt the IONet sync and force a controller reset. Always isolate the rack before removal.

What exactly does the 1B1C suffix mean, and why does it matter?
The suffix indicates factory jumper positions and input conditioning. 1B1C means channels 1-4 are set for PT100 RTDs with 1 mA excitation, and channels 5-8 are set for Type K thermocouples with CJC enabled. The ‘C’ also specifies internal 120 Ω termination on the IONet communication port. This configuration matters tremendously—if your sensors are different (e.g., Type J thermocouples or NI120 RTDs), you’ll need to either reposition jumpers or select a different board variant. We can provide the full jumper map upon request.

Will this board work as a direct replacement for a DS3800HLIC1A1B?
Physically yes, but the sensor configuration is completely different. The 1A1B is set for Type J thermocouples on channels 1-4 and 0-20 mA on channels 5-8. The 1B1C is set for PT100 RTDs on channels 1-4 and Type K thermocouples on channels 5-8. Swapping them without changing your field wiring and Mark VI I/O map will produce inaccurate readings or open-circuit faults. If your existing installation uses RTDs on channels 1-4 and Type K on channels 5-8, this is exactly the board you need.

How do I verify if this board matches my existing firmware revision?
We log the firmware version from every unit during our inbound test. Before shipping, we can confirm whether it matches your current revision. This is particularly critical for the 1B1C because the RTD linearization tables and thermocouple polynomial coefficients both changed between firmware rev 3.0 and 4.2. A mismatch can cause a +0.5°C offset on RTDs and a +1.5°C offset on Type K at 1,000°C—significant enough to affect turbine protection setpoints. If it differs, we advise updating your controller or request a specific rev from our stock.

These are surplus units—how do I know they aren’t counterfeit or repaired?
We maintain full traceability: every DS3800HLIC1B1C is photographed upon receipt, cross-checked against GE’s OEM marking guide (including board revision, date code, and solder joint integrity), and tested for electrical characteristics (insulation > 10 MΩ, current draw within 5% of spec). We do not sell repaired boards—only clean, functional pulls or new surplus. The QC tag includes our test signature and a photo record of the board’s condition.

What happens if the board fails after installation?
Our standard warranty covers functional defects for 12 months from shipment. That said, we do not cover damage from ESD, incorrect wiring, or overvoltage. To be frank, we’ve seen more RTD input failures from incorrect 3-wire vs. 2-wire configurations than from board defects. With a 3-wire PT100, the board uses lead-compensation to cancel wire resistance—but only if all three wires are connected. Missing the compensation lead introduces approximately 0.25°C per ohm of lead resistance error. We include a quick-reference wiring guide with every shipment that clearly shows the 3-wire termination.

Is programming or configuration required, or is it plug-and-play?
It’s “plug-and-play” only if your IONet configuration already expects a HLIC1B1C at that slot address and your field sensors match the factory RTD/thermocouple assignments. Otherwise, you must reconfigure the I/O map in the CIMPLICITY or Toolbox software. The board stores no user program—all logic resides in the controller. You will not lose turbine sequences by swapping this board. However, the CJC calibration values and RTD linearization constants are stored onboard, so temperature readings remain accurate without recalibration.

What shipping and packaging precautions do you take?
Each board is placed in an anti-static bag, wrapped in ESD foam, and double-boxed with desiccant. Temperature sensor cards are particularly sensitive to moisture—we include a humidity indicator card and seal the inner bag with a tamper-evident label. We’ve shipped to offshore platforms, Arctic installations, and desert sites without issues. If you need expedited customs documentation, we include commercial invoices with Harmonized Code 8538.90.8160.

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