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The 931U-C9C7C-BC from Allen Bradley is a versatile signal conditioner designed for precise temperature measurements. This device is suitable for use with both thermocouples and RTDs, enhancing its application range for different sensor types.
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| Manufacturer | Allen Bradley |
|---|---|
| Product Type | Signal Conditioner/Converter |
| Product Line | Bulletin 931 Signal Conditioners |
| Part Number | 931U-C9C7C-BC |
| Weight | 0.56 lbs (0.26 kg) |
| UPC | 612598753710 |
| Mounting | DIN-rail |
| Converter Type | Universal TC/3-Way Active |
| Power Supply | 20–40 V DC |
| Input Type | Thermocouple/RTD |
| Isolation | 2.5 kV |
| Input Current | 50 mA |
| Output Type | Active Current Loop |
| Response Time | 100 ms |
| Output Current | 20 mA |
| Output Signal | 4–20 mA/0–50 mA |
| Accuracy | 0.001 |
| Protection | Reverse polarity & short-circuit |
The Allen Bradley 931U-C9C7C-BC is a sophisticated signal conditioner and converter that excels in translating sensor inputs into usable output signals. It supports a broad range of inputs, specifically designed for thermocouples and resistance temperature detectors (RTDs). This device operates on a power supply between 20 and 40 V DC, making it adaptable to various systems.
When mounted on a DIN-rail, the unit presents a compact design that saves space while ensuring easy installation. The 931U-C9C7C-BC offers an isolation level of 2.5 kV, providing robust protection against electrical noise and ensuring reliable signal transmission. The input current specification reaches a maximum of 50 mA, allowing it to handle inputs from various sensors effectively.
In terms of output capabilities, this signal conditioner is designed to provide an active current loop output of 20 mA. Users can choose between two output signal configurations: 4–20 mA and 0–50 mA, ensuring flexibility for different control applications. The device boasts a rapid response time of 100 ms, enhancing its utility in dynamic environments requiring quick signal processing. Additionally, the accuracy of this conditioner is rated at 0.001, providing users with reliable and precise readings. Protection features include safeguards against reverse polarity and short circuits, which contribute to the overall durability and reliability of the unit.