GE Fanuc IC670ALG630 Thermocouple Input Module - 8-Channel Precision Measurement

The IC670ALG630 delivers high-accuracy temperature monitoring with 8 isolated channels supporting 12 thermocouple types for industrial process control applications.

Key Features

• Multi-thermocouple support: J, K, T, E, S, R, B, N, G, C, D, Platinel II
• High precision: ±0.5°F conformity error
• Excellent noise rejection: 60dB normal mode, 120dB common mode
• Compact design: Only 0.3kg (9oz) weight
• Wide voltage spans: 19.5mV to 625mV ranges

Technical Specifications

• Brand: GE Fanuc
• Model: IC670ALG630
• Type: Field Control Thermocouple Input
• Channels: 8 isolated inputs
• Resolution: 15 bits + sign
• Accuracy: ±0.1% reading + ±0.05% span (J/K/T/E types)
• Current Draw: 195mA max @5VDC
• Isolation: 250VAC between channels
• Dimensions: 3"×3"×4" (76×76×102mm)
• Weight: 0.3kg (9oz)

Measurement Performance

• Temperature sensitivity: ±0.1% reading + ±1.5µV/°C
• Common mode voltage: 250Vrms (350VDC peak)
• Rejection rates: 60dB normal/120dB common mode

Supported Thermocouple Types

• Standard types: J, K, T, E
• High-temp types: S, R, B, N
• Specialty types: G, C, D, Platinel II

Installation & Wiring

• Field Control baseplate mounting
• Observe channel isolation limits
• Use proper thermocouple wire
• Maintain proper cold junction compensation

Frequently Asked Questions

• Q: What's the temperature range?
  A: Depends on thermocouple type - up to 1820°C (3308°F) with type B.
• Q: Is cold junction compensation included?
  A: Yes, built into the module.
• Q: Can I mix thermocouple types?
  A: Yes, each channel is independently configurable.
• Q: What's the update rate?
  A: Approximately 50ms per channel.
• Q: Is special calibration needed?
  A: Factory calibrated, but field verification recommended.

Typical Applications

• Process temperature monitoring
• Industrial furnace control
• Heat treatment systems
• Power generation monitoring