GE IS200VTCCH1CBB

Description

1. Product Description

2. Product Parameters

Parameter	Specification
Brand	GE Fanuc
Series	Mark VI (Speedtronic Turbine Control)
Type	Thermocouple Input Terminal Board
Input Signals	24 thermocouples (E/J/K/S/T) or mV (-8 to +45 mV)
Compatibility	GE Mark VI systems, TBTCH1C/TBTCH1B boards
Dimensions	2.1 cm (W) × 18.8 cm (H) × 26.2 cm (D)
Weight	0.3 kg (0.66 lbs)
Power Supply	24VDC (via Mark VI chassis)
Signal Isolation	Galvanic isolation (grouped per terminal block)
Cable Length	Up to 300 m (984 ft)
Temperature Range	-40°C to +85°C (operating); -55°C to +125°C (storage)
Mounting	DIN rail (Mark VI chassis integration)
Protection	Conformal coating (IP20), overvoltage/current protection

IS200VTCCH1CBB

3. Advantages and Features

• High Precision: Cold-junction compensation and linearization ensure ±0.1% temperature accuracy.
• Redundancy Support: TMR capability via TBTCH1B board for fault-tolerant systems (e.g., offshore turbines).
• Harsh Environment Resilience: Conformal coating resists moisture, dust, and vibration (IEC 60068-2-6 vibration test compliance).
• Scalability: Supports up to 24 thermocouples with 450 Ω max cable resistance for distributed sensor networks.
• Diagnostics: Automatic input validation; signals outside hardware limits are quarantined (GEH-6421 manual compliance).

4. Application Areas and Use Cases

• Industry: Power generation (gas/steam turbines), oil & gas (refineries), manufacturing (rotating machinery).
• Case Study: A U.S. power plant used IS200VTCCH1CBB in a TMR configuration for a 700MW steam turbine. The board’s 24-channel temperature monitoring detected a 120°C hot spot in a bearing during startup, triggering a proactive shutdown. This prevented $1.5M in repair costs and 48 hours of downtime.

5. Competitive Comparison

• Channel Density: 24 inputs (vs. 12–16 in most alternatives).
• Redundancy Flexibility: Native TMR support (no external adapters).
• Signal Range: Wider mV span (-8 mV to +45 mV vs. typical 0–20 mV).
• Environmental Rating: Conformal coating standard (vs. optional in 竞品).
  

  IS200VTCCH1CBB

6. Selection Recommendations

• System Type: Use with GE Mark VI systems (Frame 5/6/7 turbines) requiring temperature monitoring.
• Redundancy: Pair with TBTCH1B for TMR systems (critical applications like nuclear backup power).
• Environment: Select conformal coating for coastal/moist environments; derate for >50°C ambient.
• Expansion: Combine with IS215VCMIH1B (communication module) for full Mark VI integration.

7. Precautions

• Installation:
  • Follow ESD protocols (anti-static gloves, grounded workspace).
  • Torque terminal screws to 0.5–0.7 N·m; avoid loose connections.
• Maintenance:
  • Inspect capacitors for swelling every 3 years (expected lifespan: 10 years).
  • Verify cold-junction accuracy annually (±0.5°C tolerance).
• Safety:
  • Disconnect power before servicing (24VDC isolation required).
  • Avoid exposure to conductive dust; IP20-rated (indoor use only).