PCI-7390
May 16, 2026

PCI-7390

Model: PCI‑7390 Brand: NI (National Instruments) Type: 4-axis isolated pulse command motion control PCI card Bus: 32-bit 5V PCI Connector: 1 × 100-pin SCSI (isolated I/O) Driver: NI-Motion, LabVIEW Motion Status: Out of Production (EOL), no direct replacement available, commonly replaced by the PCIe‑7350 series Core Overview PCI‑7390 is a 4-axis isolated pulse command motion controller designed for stepper motors and pulse-type servo drives. It has strong electro-optical isolation and anti-interference capabilities, and can directly connect to mainstream drives such as Yaskawa Sigma II, Mitsubishi MR-J2S, and Panasonic Minas A, without the need for adapter boards. It supports open-loop/ closed-loop, straight line/circular arc/spiral interpolation, electronic gearing, multi-axis synchronization, and is suitable for industrial automation, precise positioning, small CNC machines, packaging machinery, electronic processing equipment, etc., in environments with strong interference and pulse control-type motion applications.

Description

Main Parameters (Chinese Version - Simplified)

1. Motion Control (Number of Axes)

4 axes independent / linked control (pulse / direction command, stepper or pulse servo)

Control Mode:

Open Loop: Stepper (pulse / direction, up to 1 MHz / axis)

Closed Loop: Servo (encoder A/B phase, up to 1 MHz, optional Z phase)

Interpolation Function: Linear, Arc, Spherical, Spiral Interpolation, Electronic Gear, Profile Control

Motion Type: Point-to-Point, Continuous Trajectory, Jog, Zero Return, Soft Limit, Multi-task Motion Program

Isolation: All motion I/O optically isolated, withstands 2500 Vrms, strong anti-interference

2. I/O Resources (Isolated Type)

Motion-specific I/O (per axis): Positive/Negative Limit, Origin, Alarm, Enable, Pulse/Direction Output

General Digital I/O: 16 isolated DI, 16 isolated DO (24 V level, 50 mA drive)

Encoder Interface: 4 A/B phases (optional Z phase), differential input

External Trigger: 2 high-speed trigger inputs, supports synchronous sampling / motion

3. Performance Indicators

Processor: DSP + FPGA hard real-time motion planning

Synchronization Precision: Multi-axis synchronization error < 2 μs, supports RTSI bus multi-card synchronization

Trajectory Smoothness: S Curve Acceleration and Deceleration, Stepper Smooth Algorithm

On-board Programming: Embedded motion program, can run independently from the host

4. Electrical and Environmental

Power Supply: +5 V @ 1.2 A; +24 V @ 0.5 A (external isolated power supply)

Operating Temperature: 0 ~ 55 °C

Size: Standard half-length PCI card (175 × 107 mm)

5. Typical Applications

Strong Interference Environment: Factory Automation, Packaging Machinery, Electronic Processing, Textile Equipment

Precise Positioning Platform, XY Frame, Small Engraving Machine, Laser Marking Machine

Stepper Motor / Pulse Servo System Control, Multi-Axis Synchronous Linked Equipment

Yaskawa, Mitsubishi, Panasonic Pulse-Type Servo Drives Directly Compatible System

NI12.jpg

NI11.jpg

NI10.jpg

NI9.jpg

NI8.jpg

NI7.jpg

NI6.jpg

NI5.jpg

NI4.jpg

NI3.jpg


Get a Quote