Overview
The GE Fanuc HE693THM884J is an 8-channel thermocouple input module designed for GE Fanuc Series 90-30 PLCs. It measures temperature with high precision using thermocouples, which generate a voltage that is directly proportional to the temperature. This module is widely used in industrial applications, including process control and environmental monitoring, where accurate and reliable temperature measurement is essential.
Key Features
- 8 input channels for simultaneous monitoring of multiple thermocouples.
- 0.1°C resolution for precise temperature readings.
- Supports a range of thermocouple types: J, K, N, T, E, R, S, B, C.
- Open circuit detection to alert if a thermocouple is disconnected or faulty.
- 16-bit A/D conversion for accurate temperature data.
Technical Specifications
- Model: HE693THM884J
- Manufacturer: GE Fanuc
- Type: Thermocouple Input Module
- Number of Channels: 8
- Resolution: 0.1°C
- Supported Thermocouple Types: J, K, N, T, E, R, S, B, C
Input Range
- Type J: -210 to +760°C
- Type K: -270 to +1372°C
Accuracy
- Type J: ±1°C / -210 to +760°C
- Type K: ±1°C / ±2°C / -100 to +1000°C / -200 to +1372°C
Power and Performance
- Power Consumption: 100 mA @ 5VDC
- I/O Points Required: 8% AI, 8% AQ, 16% I
- Input Impedance: >20 MΩ
- Maximum Sustained Overload: ±35V
- Common Mode Rejection: >100 dB
A/D Conversion
- Type: 18-bit Integrating A/D Conversion
- Conversion Time: 5 ms
- Scan Rate: 40 channels per second
Environmental Conditions
- Operating Temperature: 0 to 60°C (32 to 140°F)
- Relative Humidity: 5% to 95% non-condensing
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