Product Introduction
When thermocouple wiring degrades or cold junction errors threaten measurement accuracy, the GE IC200ALG630 delivers robust diagnostics and high-resolution signal conversion to maintain process reliability. This 7-channel analog input module from the VersaMax I/O series handles thermocouple types J, K, T, S, and R, as well as millivolt signals from ±19.5 mV to ±625 mV. With 16-bit resolution and per-channel diagnostics, the IC200ALG630 prevents costly downtime by detecting open thermocouples, over/under range conditions, and thermistor faults.
Technical Specifications
| Parameter |
Value |
| Brand |
GE (GE Intelligent Platforms / Emerson Automation) |
| Part Number |
IC200ALG630 |
| Series |
VersaMax |
| Channels |
7 (thermocouple or millivolt) |
| Input Types |
Thermocouple J, K, T, S, R; Millivolt ±19.5 mV, ±39 mV, ±78.125 mV, ±156.25 mV, ±312.5 mV, ±625 mV |
| Resolution |
16 bits (15 bits plus sign) |
| Accuracy at 25°C |
±0.2% voltage measurement; ±0.15% temperature measurement |
| Update Rate |
60 ms per channel @ 60 Hz; 70 ms per channel @ 50 Hz |
| Power Consumption |
125 mA from 5 VDC and 3.3 VDC backplane |
| Isolation |
250 VAC continuous; 1500 VAC for 1 minute (optical and frame-to-ground) |
| Diagnostics |
Open Thermocouple, over/under range, high/low alarm, thermistor error |
| Operating Temperature |
0 to 60 °C |
| LED Indicators |
OK LED (green when active, amber on fault) |
Industry Applications
The GE IC200ALG630 excels in temperature monitoring and low-level millivolt signal acquisition. Typical applications include:
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Industrial Furnace Control – Type K and R thermocouples provide reliable temperature feedback; open thermocouple detection alerts operators to sensor failures before product quality suffers.
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Chemical Reactor Monitoring – High-accuracy (±0.15%) temperature measurement ensures precise process control, while over/under range alarms prevent unsafe excursions.
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Transducer Signal Integration – Capture millivolt outputs from pressure or flow transducers with 16-bit resolution and per-channel diagnostics.
Installation & Setup Guidance
The IC200ALG630 mounts directly onto the VersaMax backplane, drawing power from the 5 VDC and 3.3 VDC supplies. For thermocouple connections, use shielded twisted-pair cables to minimize noise. The module offers four cold junction compensation options: no compensation, remote, fixed, or local (internal). Select the appropriate mode via software configuration. Ensure the module’s operating environment stays within 0–60 °C for reliable performance.
Maintenance & Reliability
Routine checks should include verifying the OK LED status – green indicates normal operation, amber signals a fault. The built-in diagnostics automatically detect open thermocouples, over/under range conditions, and thermistor errors, reducing manual inspection frequency. Because the GE IC200ALG630 does not experience thermal derating, it maintains accuracy even near its 60 °C upper limit. Periodic cleaning of the module’s front panel and connectors helps sustain isolation integrity.
Selection Guide & Purchasing Advice
Before ordering, confirm that your system uses a VersaMax I/O backplane and that the required thermocouple types (J, K, T, S, R) or millivolt ranges match your sensors. The IC200ALG630 is a replacement for legacy GE Fanuc modules and is now supported by Emerson Automation. For genuine spares and fast shipping, source from UBEST Automation – your trusted partner for industrial automation parts. Visit ubest101.myshopify.com to check stock and request a quote.
Frequently Asked Questions
What thermocouple types does the IC200ALG630 support?
The module supports Types J, K, T, S, and R thermocouples, as well as millivolt signals from ±19.5 mV to ±625 mV.
How many channels does the IC200ALG630 have?
It has 7 input channels, each configurable for thermocouple or millivolt inputs.
What diagnostic features are available?
Diagnostics include open thermocouple detection, over/under range alarms, high/low alarms, and thermistor error detection.
What is the accuracy of the IC200ALG630?
Accuracy is ±0.2% on voltage measurement and ±0.15% on temperature measurement at 25°C.
Is the IC200ALG630 compatible with Emerson automation systems?
Yes, the module was originally by GE Intelligent Platforms and is now under Emerson Automation, remaining compatible with the VersaMax I/O platform.