IC693TCM302 GE | Series 90-30 8-Channel Temp Control
Manufacturer: GE Fanuc
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Part Number: IC693MDL732
Condition：New with Original Package
Product Type: Programmable Coprocessors
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Country of Origin: USA
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Product Overview
The GE Fanuc IC693TCM302 serves as the primary high-precision temperature sensing interface for the Series 90-30 PLC platform. This 100% Brand New original module provides 8 independent channels (7 user-input points plus one for CJC) to monitor a wide array of industrial thermocouples, including types J, K, T, E, R, S, and B. By converting microvolt-level signals into 16-bit digital data, the IC693TCM302 enables the CPU to execute sophisticated PID temperature control loops for furnaces, reactors, and high-speed packaging machinery with exceptional thermal stability.
Technical Specifications
| Feature | Technical Details |
| Model Number | IC693TCM302 |
| Input Channels | 8 Total (7 Thermocouple Inputs + 1 Cold Junction) |
| Resolution | 16-bit (High Precision) |
| Thermocouple Support | Types J, K, T, E, R, S, B, and C |
| Accuracy | ±1 °C (Typical, dependent on type and range) |
| Cold Junction Comp | Automatic Internal Compensation |
| Isolation | 1500V between field side and logic side |
| Update Rate | 200 ms for all channels (Typical) |
| Backplane Current | 120 mA from +5V Bus (Typical) |
| Operating Temp | 0 to +60 °C (32 to 140 °F) |
Engineering Advantages
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Universal Sensor Compatibility: The IC693TCM302 hardware supports all major industrial thermocouple types. Engineers configure the specific sensor type via software, allowing a single module to handle diverse thermal monitoring tasks across a facility without changing hardware.
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Integrated Cold Junction Compensation (CJC): Built-in automatic CJC eliminates the need for external ice-point references or specialized compensation wiring. The module continuously adjusts for ambient temperature variations at the terminal block, ensuring absolute reading accuracy in fluctuating control cabinet environments.
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Superior 16-Bit Resolution: The high-resolution analog-to-digital converter captures minute temperature shifts. This precision allows the PLC to detect thermal trends early, preventing overshoot in sensitive chemical processes or food production lines.
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Proactive Fault Diagnostics: The module immediately detects and reports open thermocouple circuits or "burnout" conditions. Front-panel LEDs and internal status bits alert the CPU to sensor failures, triggering safety interlocks to prevent equipment damage during a probe failure.
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Robust Signal Isolation: 1500V optical isolation protects the PLC backplane from common-mode voltages and electrical noise often present in high-heat environments near electric furnaces or heavy-duty heating elements.
FAQs
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Does the IC693TCM302 require a special terminal block for CJC?
The module uses a specialized terminal block that includes a high-precision thermistor for Cold Junction Compensation. Ensure you use the original GE Fanuc terminal assembly to maintain the specified measurement accuracy.
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Can I mix different thermocouple types on the same module?
Yes. Through the hardware configuration in Proficy Machine Edition or Logicmaster, you can assign different thermocouple types (e.g., Type K on channel 1 and Type J on channel 2) to suit the specific sensors installed in your field application.
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How should I minimize electrical noise on the signal lines?
Always use shielded thermocouple extension wire. Ground the shield at the PLC rack only and avoid routing these low-voltage signal lines parallel to high-voltage AC motor cables or heater power lines.