Description
The SCXI-1321, bearing the part number 777687-21, falls under the category of SCXI & Legacy devices. This model is particularly designed for applications involving strain gauges, RTDs, or thermistors, as well as temperature or voltage applications that require a high quantity of channels. It showcases compatibility with the SCXI-1121 module revision C or later, ensuring a broad range of use cases and integration possibilities.
With its 18 screw terminals, the SCXI-1321 offers ample connectivity for various sensor types and configurations. The inclusion of a front-panel trimming potentiometer allows for precise adjustments, enhancing the accuracy and reliability of measurements. Additionally, its shunt calibration circuits are software-controlled, catering to a group setup for simplified calibration processes. The shunt resistor value is specified at 301 k Ohm, ensuring precise resistance measurements for calibration.
The device accommodates field wire gauges ranging from 26 to 16 AWG, providing flexibility in wiring and installation. The cold junction sensor output and accuracy are rated at ±10 mV/°C and 1.3 °C, respectively, offering reliable temperature sensing capabilities. For safety and compliance, the maximum working voltage is capped at 300 V (CAT II), ensuring the device’s suitability for a variety of industrial environments.
Operating within a temperature range of 0 to 50 °C and a storage temperature range of –20 to 70 °C, the SCXI-1321 is built to withstand challenging conditions. Its relative humidity range of 10 to 90% (non-condensing) further attests to its durability and reliability in diverse operational contexts. This combination of features and specifications makes the SCXI-1321 a versatile and dependable choice for complex measurement and sensing applications.
| Specification | Detail |
|---|---|
| Part Number | 777687-21 |
| Category | SCXI & Legacy |
| Model | SCXI-1321 |
| Applications | Strain gauges, RTDs, or thermistors; temperature or voltage applications with high quantity of channels |
| Compatibility | SCXI-1121 module revision C or later |
| Screw Terminals | 18 |
| Front-panel Trimming Potentiometer | Yes |
| Shunt Calibration Circuits | Software controlled group |
| Shunt Resistor Value | 301 k Ohm |
| Field Wire Gauge | 26-16 AWG |
| Cold Junction Sensor Output and Accuracy | ±10 mV/°C and 1.3 °C |
| Maximum Working Voltage | 300 V (CAT II) |
| Operating Temperature Range | 0 to 50 °C |
| Storage Temperature Range | –20 to 70 °C |
| Relative Humidity Range | 10 to 90% (non-condensing) |
