PLCs, Power Supplies & Others

This CPU module serves as the central processor for Fuji Electric’s SPH300EX programmable controller. It executes user programs with high speed for demanding industrial automation tasks. System integrators choose this module for its robust processing capabilities and flexible I/O support. Its design accommodates complex machine logic, process control, and data handling requirements efficiently.

Processing Architecture and Execution Performance

The Fuji NP1PS-74D performs basic instructions at 20 ns per command for ultra-fast response times. Its application commands execute at 40 ns, ensuring rapid processing of complex operations. The module manages up to 6,192 I/O points for extensive system configurations. It employs a 32-bit OS processor alongside a dedicated 32-bit execution processor. Consequently, the module handles both cyclic scanning and event-driven tasks with minimal latency.

Memory Capacity and Data Storage

The Fuji NP1PS-74D provides 277 K words of user memory for program storage. Its program memory holds up to 151,552 words, equivalent to 75,776 steps of ladder logic. The data storage capacity reaches 132,096 words for system variables and process data. Furthermore, the module supports multiple data types including BOOL, INT, DINT, REAL, and STRING. This extensive memory accommodates large-scale automation projects with complex control algorithms.

Key Technical Specifications

The table below details the critical parameters for the Fuji NP1PS-74D.

Physical Design and Installation

The Fuji NP1PS-74D mounts directly onto the SPH300EX baseplate within the control cabinet. Its front panel provides LED indicators for power, run, stop, and error status. The module connects to the SX bus through an OUT connector at the rear. This connector facilitates seamless integration with expansion I/O modules. Moreover, the compact form factor allows efficient use of rack space in dense installations.

System Integration and Communication

This CPU module supports SX bus direct I/O for high-speed local processing. It also handles remote I/O through DeviceNet and OPCN-1 networks. The IEC 61131-3 programming standard ensures compatibility with multiple development environments. Therefore, engineers can program this module using ladder, structured text, or function block diagrams. The redundancy options provide 1:1 hot standby and N:1 cold backup for critical applications.

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