The GE IC670ALG630 is a VersaMax/Field Control analog input module designed for high-accuracy temperature and millivolt signal acquisition in industrial automation systems. It is widely used for thermocouple-based temperature measurement and precision process monitoring where stable signal conversion and diagnostic capability are essential.
This module is engineered for demanding process environments, offering multi-channel input flexibility, built-in diagnostics, and high-resolution signal conversion for reliable control system integration.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | General Electric (GE Fanuc) |
| Model | IC670ALG630 |
| Series | GE Field Control / VersaMax-compatible |
| Module Type | Analog Input Module |
| Input Channels | 7 differential inputs |
| Signal Types | Thermocouple (J, K, T, S, R) / mV signals |
| Voltage Range | ±19.5 mV to ±625 mV |
| Resolution | 16-bit A/D conversion |
| Accuracy | ±0.15% (temperature), ±0.2% (voltage) |
| Cold Junction Compensation | Local / remote / fixed / none selectable |
| Update Rate | ~60–70 ms per channel |
| Diagnostics | Open circuit, over/under range, sensor fault |
| Backplane Power Consumption | ~125 mA @ 5 VDC |
| Isolation | Optical isolation, 1500 VAC (1 min rating) |
| LED Indicators | OK / fault status |
| Operating Temperature | 0°C to 60°C |
Physical Dimensions & Weight
| Parameter | Value |
|---|---|
| Dimensions (L × W × H) | 110 × 66 × 50 mm |
| Weight | ~0.17 – 0.38 kg |
The compact design allows high-density installation while maintaining strong electrical isolation and thermal stability.
System Role & Functional Behavior
The IC670ALG630 functions as a high-accuracy analog signal acquisition module:
- Converts thermocouple signals into digital PLC data
- Supports multiple thermocouple types for flexible process monitoring
- Provides cold junction compensation for accurate temperature reading
- Detects wiring faults and abnormal signal conditions in real time
- Supplies high-resolution measurement data to PLC CPU systems
- Enables reliable closed-loop process temperature control
It is primarily used in applications where precision temperature measurement is critical to system performance.
Recommended Related Models
To build a complete GE Field Control / PLC system, IC670ALG630 is commonly paired with:
- IC670CPU Series PLC processors
- IC670CHS001 I/O carrier base
- IC670MDL series digital I/O modules
- IC670ALG230 analog output modules
- GE Genius communication modules
Popular GE Analog Input Modules
- IC200ALG630 VersaMax thermocouple input module
- IC694ALG223 RX3i analog input module
- IC695ALG600 PACSystems analog input series
- IC670ALG310 current input modules
- IC670ALG220 voltage input modules
