NI 9232 Terminals English Description
NI 9232: 3-Channel, ±30 V, 24-Bit C Series Sound & Vibration Input Module (Terminal Interface)NI
Terminal Overview
The NI 9232 features three detachable 2-terminal screw-terminal connectors (or optional BNC connectors) for three simultaneously sampled analog input channels. It supports IEPE/non-IEPE sensors, software-selectable AC/DC coupling, and channel-to-earth isolation (60 VDC).
Terminal Pinout & Signal Descriptions
表格
| Channel | Terminal | Signal Name | Description |
|---|---|---|---|
| Channel 0 | 0 | AI0+ | Positive analog input; supplies DC excitation current (4 mA) for IEPE sensors |
| Channel 0 | 1 | AI0– | Negative analog input; excitation return path & signal ground reference |
| Channel 1 | 0 | AI1+ | Positive analog input; IEPE excitation current output |
| Channel 1 | 1 | AI1– | Negative analog input; excitation return & signal ground |
| Channel 2 | 0 | AI2+ | Positive analog input; IEPE excitation current output |
| Channel 2 | 1 | AI2– | Negative analog input; excitation return & signal ground |
Terminal Specifications (Screw-Terminal Version)
- Connector Type: Detachable 2-terminal screw terminals
- Wire Gauge: 16–28 AWG copper conductors
- Wire Strip Length: 7 mm (0.28 in.) insulation removal
- Torque: 0.22–0.25 N·m (1.95–2.21 lb·in.)NI
- Wires Per Terminal: 1 wire; 2 wires with 2-wire ferrules
- Ferrule Compatibility: 0.25–1.5 mm²NI
- Isolation: 60 VDC continuous channel-to-earth ground
- Protection: ±15 kV ESD; overvoltage protection
- Operating Temp: -40 °C to +70 °CNI
Key Terminal Features
- Per-channel software-selectable IEPE excitation (0 mA / 4 mA)
- Software-configurable AC/DC coupling
- Isolated 24-bit Delta-Sigma ADC per channel
- Supports IEEE 1451.4 TEDS Class I smart sensors
- Shielded design for low-noise vibration/acoustic measurements
- High-vibration reliability: Ferrules or NI 9971 backshell recommended
Part Numbers
- 782000-01: Screw-terminal version
- 782000-02: Screw-terminal, conformal-coated
- 784397-01: BNC connector version
On May 18, 2026 at 01:53:41 PDT, seller added the following information: