This CPU module serves as the central processing unit for Fuji programmable controllers. It executes user logic programs and manages all system resources efficiently. The unit provides high-speed processing for demanding automation tasks.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | NP1PM-48E |
| Product Type | CPU Module / Programmable Controller Processor |
| Supply Voltage | 5 V DC (from backplane) |
| Power Consumption | 1.2 A (maximum) |
| Processor | 32-bit RISC (200 MHz) |
| Program Memory | 64 KB (RAM, battery-backed) |
| Data Memory | 32 KB (RAM, battery-backed) |
| User Program Capacity | 10,000 steps (typical) |
| Execution Speed | 0.2 µs per basic instruction |
| I/O Points | 256 (local) / 2,048 (remote, via bus) |
| Communication Ports | 1 x RS-232, 1 x RS-485 |
| Backplane Interface | 1 x 64-pin DIN connector |
| Battery | 3.6 V lithium (replaceable, 5-year life) |
| Diagnostic LEDs | 4 x LED (Power, Run, Error, Battery) |
| Mounting | Backplane slot |
| Dimensions (W x H x D) | 40 mm x 130 mm x 120 mm |
| Weight | 0.35 kg |
Mechanical Design and Form Factor
This CPU module follows the standard Eurocard form factor for rack mounting. Its 40 mm width occupies one slot in the backplane chassis. The unit weighs 0.35 kilograms and features a rigid PCB construction. Guide rails ensure proper alignment during insertion and removal.
Power Supply and Electrical Characteristics
The module draws its operating power from the 5 V DC backplane supply. It consumes a maximum current of 1.2 amperes during full processing load. The device includes a replaceable lithium battery for memory backup. This battery maintains program and data retention for up to five years.
Processing Performance and Memory Architecture
A 32-bit RISC processor operates at 200 MHz for rapid logic execution. The module executes basic instructions in just 0.2 microseconds. The program memory holds up to 10,000 steps of user application code. The data memory stores 32 KB of variables and system parameters. This architecture suits medium-sized automation projects.
I/O Handling and System Scalability
The CPU manages up to 256 local I/O points directly. It supports up to 2,048 remote I/O points through the expansion bus. This scalability allows for system growth without replacing the processor. The module scans all I/O efficiently within each cycle.
Communication and Configuration Ports
An RS-232 port provides a connection for programming and diagnostics. This port links to a PC running configuration software. An RS-485 port enables multi-drop communication with external devices. Both ports support modbus protocol for flexible data exchange.
Diagnostic Features and Status Monitoring
Four front-panel LEDs provide immediate system status information. The Power LED confirms backplane voltage is present. The Run LED illuminates during normal program execution. The Error LED signals any hardware or software fault. The Battery LED warns when the backup battery requires replacement.
Energy Storage and Data Retention
The lithium battery maintains program memory during power-off periods. This battery has a typical service life of five years. The module also includes supercapacitors for short-term hold-up. These capacitors protect data during brief power interruptions.
Application Suitability
This CPU module serves a broad spectrum of control applications. It works effectively in packaging lines, conveyor systems, and assembly stations. The device also supports HVAC control and building automation tasks. Its operating temperature spans from 0°C to +55°C.
Details
| Weight | 0.35 kg |
|---|---|
| Dimensions | 40 × 130 × 120 mm |
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