PLCs, Power Supplies & Others

This central processing unit serves as the core controller for mid-to-large automation systems. It executes complex ladder logic and structured text programs with exceptional speed. The unit manages all I/O scanning and communication tasks simultaneously. Its robust processing engine ensures deterministic response times for critical control loops.

Processing Architecture and Memory Configuration

The processor features a 32-bit RISC microcontroller operating at 120 MHz. It provides 256 KB of flash memory for large-scale user programs. The system includes 64 KB of data memory for process variables and registers. An additional 16 KB of retentive memory stores critical data during power interruptions.

Physical Dimensions and Rack Mounting

This processing unit measures 150 mm in height, 110 mm in width, and 95 mm in depth. Its reinforced enclosure weighs approximately 0.68 kg for stable installation. You can mount the unit directly into a Fuji Electric NP1 series rack. The module occupies a single slot and locks securely with retention clips.

Multi-Protocol Communication and Networking

The NP1PU-048EZM includes three serial ports and one Ethernet interface. Two RS-232C ports support programming consoles and local HMI panels. The RS-485 port enables Modbus RTU networking with remote field devices. The Ethernet port handles high-speed data exchange with SCADA and MES systems.

Built-in Counter and Positioning Functions

Eight high-speed counter inputs capture pulse signals up to 100 kHz each. These counters support quadrature encoder decoding for motion control applications. Four pulse output channels generate 200 kHz signals for servo and stepper drives. Each channel includes independent acceleration and deceleration profiles.

Data Retention and System Integrity

A lithium battery maintains the real-time clock and retentive memory for 5 years. The module also includes a supercapacitor that bridges power interruptions up to 30 days. An onboard watchdog timer resets the processor automatically during software faults. These features guarantee reliable operation in unattended environments.

Expansion and I/O Configuration

This processor supports up to 2048 local digital I/O points and 256 analog channels. You can connect up to 16 expansion racks using the high-speed bus interface. The unit automatically configures I/O assignments during power-up. You can change module positions without modifying the control program.

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