Basic Parameters

Model: PCI‑6111

Part Number: 778541‑01

Brand: National Instruments NI

Series: S-Series (Synchronous Sampling, High Speed, Wide Voltage Range)

Bus: PCI (3.3 V / 5 V compatible, full-length card)

Type: Multi-functional Synchronous Sampling DAQ (AI + AO + DIO + Counter)

Analog Input: 2 channels pseudo-differential (each channel independent ADC)

Analog Output: 2 channels 16 bits

Resolution: AI 12 bits; AO 16 bits

Sampling Rate: AI 5 MS/s per channel (synchronous)

Digital I/O: 8 channels bidirectional (5 V TTL/CMOS)

Counter: 2 channels 24 bits (20 MHz)

Connector: 68-pin SCSI-II

Product Status: Out of Production

Features: 2-channel Synchronization, 5 MS/s, ±42 V wide range, AC/DC coupling, S-Series dual-channel high-speed model

Analog Input (AI)

Channel Configuration: 2 channels of pseudo-differential (synchronous sampling, independent ADC) docs-be.ni.com

Resolution: 12 bits (4,096 levels)

Maximum Sampling Rate: 5 MS/s (synchronous per channel); Minimum 1 kS/s

Input Range: ±42 V, ±20 V, ±10 V, ±5 V, ±2 V, ±1 V, ±0.5 V, ±0.2 V (8 software programmable)

Input Coupling: AC or DC (per channel selectable)

Input Impedance: 1 MΩ || 25 pF

Overvoltage Protection: ±42 V (on/ off) docs-be.ni.com

CMRR Typical: 90 dB (DC–100 kHz)

Bandwidth: 2 MHz (–3 dB)

FIFO: 8,192 samples docs-be.ni.com

Absolute Precision: Typical 0.02% of Full Scale Range

Core Technology: Independent ADC per channel, phase difference-free synchronous sampling, wide voltage industrial-grade front end

Analog Output (AO)

Number of Channels: 2

Resolution: 16 bits

Output Range: ±10 V (fixed)

Update Rate: 4 MS/s (single channel); 2.5 MS/s (dual channel)

Drive Capability: ±5 mA

Setup Time: 8 µs (to ±0.5 LSB) slew rate 20 V/µs

Digital I/O (DIO)

Number of channels 8 bidirectional (P0.<0-7>)

Level 5 V TTL/CMOS compatible

Input high ≥ 2.0 V; low ≤ 0.8 V

Output high ≥ 2.4 V; low ≤ 0.4 V

Power-on state High resistance (50 kΩ pulled up to +5 V)

Maximum rate 10 MHz

Counter / Timer

Number of channels 2

Resolution 24 bits

Clock Internal 20 MHz / External

Functions Event counting, pulse generation, frequency measurement, encoder interface

Trigger and Synchronization

Trigger Analog trigger (AI 0-1) / External digital trigger (PFI0)

Trigger mode Edge / Gate control

Synchronization RTSI multi-card synchronization

DMA 3 channels (AI/AO/Counter) docs-be.ni.com

Physical Electrical

Size Standard PCI full-length card

Interface 68-pin SCSI-II

Power Supply +5 V 2.0 A

Temperature 0–50 °C

Humidity 10%–90% no condensation

Software Compatibility

Driver NI-DAQmx

Development Environment LabVIEW, LabWindows/CVI, C#, C++

System Windows XP/7/10/11 32/64 bit

Core Features

2-channel synchronous 5 MS/s, 12-bit high-speed AI

±42 V wide range, AC/DC coupling, independent ADC without phase difference

2 channels 16-bit AO (4 MS/s), 8DIO, 2 channels 24-bit counter

8k FIFO, DMA high-speed transmission, RTSI multi-card synchronization, industrial-grade anti-interference

Suitable for 42V automotive electronics, radar / sonar / ultrasound, transient impact testing, high-energy physics, mid-frequency signal acquisition, dual-channel synchronous high-speed testing