Description
The Part Number 776572-22 refers to a device in the SCXI & Legacy category, specifically the Model SCXI-1122. This device is a 16-Channel Isolated Transducer Multiplexer, designed for high precision and versatility in data acquisition systems.
It features 16 Isolated Input Channels and 2 Isolated Excitation Channels, offering flexibility for various sensor types and configurations. The SCXI-1122 supports Two-wire and Four-wire scan modes, allowing for adaptability in measurement setups and ensuring accurate data collection.
Compatibility is broad with this device, supporting a range of platforms including Lab-PC+, MIO-16, SCXI-1200, and PC-LPM-16, making it a versatile choice for integration into existing systems. Connectivity is facilitated through a 50-pin male Rear Connector and a 48-pin female Front Connector, ensuring easy installation and maintenance.
The Input Impedance varies with power status, being 1 GΩ when powered on and 100 kΩ when powered off. This feature ensures the protection and longevity of both the multiplexer and connected devices. The device boasts a Bandwidth of 4 Hz (-10 dB) or 4 kHz, selectable via software, providing flexibility for signal filtering based on application requirements. The Filter is a 3-pole RC with a 4 Hz (-10 dB) cutoff frequency, and a 60 dB at 4 Hz bandwidth NMR, ensuring clear signal acquisition free from noise and interference.
In terms of output, the SCXI-1122 provides 2 Output Channels, with a Voltage Level of 3.333 V ±0.04% and a Current Level of 1.0 mA ±0.04%, ensuring precise excitation for a wide range of sensors.
| Specification | Detail |
|---|---|
| Part Number | 776572-22 |
| Category | SCXI & Legacy |
| Model | SCXI-1122 |
| Description | 16-Channel Isolated Transducer Multiplexer |
| Input Channels | 16 Isolated |
| Excitation Channels | 2 Isolated |
| Operation Modes | Two-wire scan mode, Four-wire scan mode |
| Compatibility | Lab-PC+, MIO-16, SCXI-1200, PC-LPM-16 |
| Rear Connector | 50-pin male |
| Front Connector | 48-pin female |
| Input Impedance | 1 GΩ (Power On), 100 kΩ (Power Off) |
| Bandwidth | 4 Hz (-10 dB) or 4 kHz (software selectable) |
| Filter | 3-pole RC, 4 Hz (-10 dB) cutoff frequency, 60 dB at 4 Hz bandwidth NMR |
| Output Channels | 2 |
| Voltage Level | 3.333 V ±0.04% |
| Current Level | 1.0 mA ±0.04% |
Question 1: What is the part number for the SCXI-1122?
Answer 1: 776572-22
Question 2: How many isolated input channels does SCXI-1122 have?
Answer 2: 16
Question 3: What’s the input impedance of SCXI-1122 when powered on?
Answer 3: 1 GΩ
Question 4: What connectivity does SCXI-1122 feature?
Answer 4: 50-pin male and 48-pin female connectors
Question 5: What’s the filter cutoff frequency of SCXI-1122?
Answer 5: 4 Hz (-10 dB)


