Product Core Brief
- Model: PCI-6110
- Brand: National Instruments (NI)
- Series: NI PCI-611x S Series Multifunction DAQ
- Core Function: Provides high-speed, simultaneous analog, digital, and timing I/O for PCI bus computers.
- Product Type: Multifunction Data Acquisition (DAQ) Device
- Key Specs: 4 Simultaneous AI Channels | 12-Bit ADC | 5 MS/s per Channel | 2 AO Channels
- Condition: New Original (New Surplus)
Product Introduction
NI is a Plug and Play, multifunction data acquisition card designed for PCI bus computers. This module features four independent analog input channels with 12-bit ADCs that sample simultaneously at up to 5 MS/s per channel, ensuring zero phase delay between signals.
Unlike multiplexed DAQ boards, the utilizes the NI DAQ-STC system timing controller and the Real-Time System Integration (RTSI) bus. This allows seamless synchronization of analog inputs, analog outputs, and counter/timers across up to five DAQ devices in a single system. It is completely switchless and jumperless, relying entirely on software configuration via the NI-DAQmx driver.

NI PCI-6110
Key Technical Specifications
| Parameter | Value |
|---|---|
| Analog Input Channels | 4 Simultaneous Sampling |
| ADC Resolution | 12-Bit per Channel |
| Max Sample Rate | 5 MS/s per Channel |
| Analog Output Channels | 2 (16-Bit DACs) |
| Digital I/O | 8 Lines (TTL-Compatible) |
| Counters/Timers | 2 x 24-Bit |
| Bus Interface | PCI (32-bit) |
| Timing Controller | NI DAQ-STC (50 ns resolution) |
| I/O Connector | 68-pin Male SCSI-II |
| Driver Software | NI-DAQmx / Traditional NI-DAQ |
Quality Control Process (Engineer’s Perspective)
- Incoming Verification: We trace source serial numbers against factory records. Visual inspection checks for PCI gold finger wear and 68-pin SCSI connector integrity.
- Live Functional Test: Power-on self-check runs first. We verify NI MAX enumeration and run continuous multi-channel acquisition tests >24 hrs with temp logging.
- Electrical Parameter Test: Insulation resistance gets tested at 500 V Megger (>10 MΩ required). Ground continuity and channel-to-earth isolation are verified.
- Calibration Verification: Read and record self-calibration status. Since this board has no potentiometers, verify EEPROM calibration constants against factory specs.
- Final QC & Packaging: Seal in anti-static bag. Apply QC Passed label with test date and engineer initials.

NI PCI-6110
Replacement Pitfall Guide
❗ Model Confusion (6110 vs 6111): The has 4 simultaneous analog input channels, whereas the PCI-6111 has only 2. Visually, the 6110 has 4 ADC chips on the left side of the board compared to 2 on the 6111. Do not substitute them without verifying channel requirements.
❗ Driver/API Confusion: This module supports both legacy “Traditional NI-DAQ” and modern NI-DAQmx drivers. Ensure your LabVIEW or C/C++ application targets the correct API version for your OS.
❗ Power Supply Requirements: The draws up to 2.5 A from the +5 VDC PCI bus. Verify your motherboard or industrial chassis can supply adequate power to prevent brownouts.
❗ RTSI Cable Routing: If synchronizing multiple cards, ensure the RTSI ribbon cable is properly seated and routed. Incorrect cabling can cause trigger failures across the system.
❗ ESD Damage: Use anti-static mat and wrist strap. Dry environments increase failure risk during handling.
Keep these in mind and you’ll cut 90% of rework time.
Compatibility Matrix & Benchmarks
- → PCI-6111 : Needs Adaptation — PCI-6111 has 2 AI channels instead of 4
- → PCI-6110E : Direct — Enhanced revision, functionally identical
- → PCI-6115 : Incompatible — Different channel count and sampling architecture
Benchmarks:
- Scan Cycle: Hardware-timed (5 MS/s max per channel)
- Comms Throughput: PCI Bus (Direct Memory Access / DMA)







