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Board Overview
This function module provides precise positioning control for servo and stepper systems. You can install FUJI NP1F-MU1 directly into FUJI SPH series PLC racks. The unit generates high-speed pulse trains for axis motion commands. It handles positioning tasks independently from the main CPU.
Technical Specifications
| Parameter | Value |
|---|---|
| Dimensions (W x H x D) | 70 mm x 100 mm x 75 mm |
| Weight | 0.28 kg |
| Number of axes | 2 independent axes |
| Output type | Differential line driver (RS-422) |
| Maximum output frequency | 200 kHz per axis |
| Pulse output modes | CW/CCW, pulse/direction, phase A/B |
| Position range | -2,147,483,648 to +2,147,483,647 pulses |
| Speed control range | 1 Hz to 200 kHz |
| Interface to controller | SPH backplane connector |
| Total onboard components | 118 discrete parts |
| Energy storage type | Electrolytic and ceramic capacitors |
| Energy storage rating | 330 µF at 25V DC |
| Operating temperature | 0°C to +55°C |
Board Layout and Components
The PCB dedicates separate pulse generation circuits for each motion axis. Two high-speed differential drivers produce clean RS-422 output signals. Moreover, 118 discrete components include optical isolation for all I/O lines. Electrolytic capacitors provide 330 µF of bulk energy storage. Consequently, output pulses maintain stable timing during heavy processing loads.
Installation Process
You can mount FUJI NP1F-MU1 into any standard SPH series rack slot. The backplane connector supplies both power and communication to the module. Furthermore, a front panel connector provides access to two axis output ports. LED indicators show pulse output activity for each axis clearly.
Performance Advantages
This module outputs positioning pulses up to 200 kHz per axis independently. Each axis supports multiple pulse formats including CW/CCW and pulse/direction. Therefore, it interfaces with most standard servo drives on the market. The independent operation also offloads positioning tasks from the main PLC processor.
Safety and Compliance
FUJI NP1F-MU1 meets CE and RoHS industrial standards. The board discharges stored energy below 4V within seven seconds. Hence, technicians face minimal electrical risk during installation or removal.