IS200STCIH4A GE Mark VIe Simplex Contact Input Board | 48V DC

IS200STCIH4A – GE Mark VIe Simplex Contact Input Board

1. Identity & Primary Role

• Model: IS200STCIH4A – GE Mark VIe series.
• Function: Simplex contact input board for turbine control systems.
• Acronym: STCI (Simplex Terminal Contact Input).
• Input rating: 48 V DC discrete signals.
• Mounting: DIN rail or flat surface (user selectable).

2. Technical Specifications – Quick Reference

• Part number: IS200STCIH4A.
• Manufacturer: General Electric (GE Energy).
• Series: Mark VIe.
• Product type: Input card / terminal board.
• Conformal coating: Applied for environmental protection.
• Corresponding module: IS230STCIH4A.

3. Connector Layout & Physical Features

• Screw connectors: 51 terminals along one long side.
• Terminal ring labels: E1 and E2 on each end.
• D-type connector: Single 37-pin female (opposite terminal strip).
• Power plug: Single 3-position female plug.
• Mounting holes: Two round apertures on short edges (opposite each other).
• Component count: 1 IC + 80+ resistors, capacitors, diodes.

4. Installation & Mounting Options

• DIN rail kit: Included for 35 mm rail mounting.
• Flat mounting: Alternative using board’s apertures.
• Orientation: Flexible placement based on cabinet layout.
• Clearance: Allow space for screw terminal wiring access.

5. System Integration & Redundancy

• PDIA I/O Pack: One pack per board (quantity 1).
• Redundancy: Simplex configuration (non-redundant I/O).
• Catalog reference: SNC1H4A corresponding module.
• Backplane interface: Via 37-pin D-type to main controller.

6. Compatible Equipment & Applications

• GE Mark VIe gas turbine control systems.
• Steam turbine auxiliary monitoring panels.
• Industrial generator contact status sensing.
• Works with IS230STCIH4A module variants.

7. Oiltech Controls Insight – Field Experience

• Durability: Conformal coating protects against moisture and dust in turbine environments.
• Common issue: Screw terminal loosening from vibration – periodic torque check recommended.
• Replacement tip: Verify E1/E2 terminal ring labels before wiring to avoid polarity mismatch.
• Stock strategy: Keep one spare board per 3 active turbines to minimize outage risk.

8. Professional FAQ – Selection & Troubleshooting

• Q: Can I use this board in a redundant TMR system?
  No. IS200STCIH4A is simplex only. For TMR, use the corresponding IS230STCIH4A or dedicated TMR I/O packs.
• Q: What is the input voltage range for the discrete channels?
  Nominal 48 V DC. Ensure your field devices supply clean DC within ±10% tolerance.
• Q: How do I mount this board on a DIN rail?
  Attach the supplied DIN rail clip to the board’s back, then snap onto 35 mm rail. For flat mount, use screws through the two round apertures.
• Q: Is the 37-pin D-type cable included?
  No. Cable is ordered separately – standard shielded D-sub cable with matching pinout.
• Q: What is the typical lead time for a tested replacement?
  Oiltech Controls ships within 24-28 hours for in-stock units via FedEx, UPS, or DHL.

9. Why Buy From Oiltech Controls?

• 15+ years supplying industrial automation spares globally.
• Fast dispatch – 24-28 hour shipping with FedEx, UPS, DHL.
• Tested surplus/refurbished boards with verified functionality.
• 12-month warranty against manufacturing defects.
• Pre-shipment technical verification on test bench.
• Expert support for obsolete GE Mark VIe and legacy systems.

Contact:
info@oiltechcontrols.com
|
+86 158 8020 0923 (WhatsApp)

Copyright © 2026 Oiltech Controls Limited. https://www.oiltechcontrols.com/ All rights reserved.

Diagnostic tip: Use a multimeter to check 48V DC presence at screw terminals. No LED indicators – validate via controller status word.