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This compact controller manages discrete logic and timing functions for small-scale automation. It integrates 16 I/O points with a reliable processor for straightforward program execution. Engineers use this unit for conveyor sections, packaging stations, and simple machine control. The design combines essential processing power with memory for basic automation requirements. Its small footprint saves valuable panel space in crowded enclosures.

Processor Architecture and Performance

The NP1PS-16 features an 8-bit microcontroller operating at a 16 MHz clock frequency. This processor executes basic logic instructions in under 2 microseconds per operation. The unit handles typical ladder logic programs with scan times between 5 and 10 milliseconds. Its deterministic scan cycle ensures consistent response for standard control tasks. Therefore, users achieve reliable sequencing and interlocking functions for simple machinery.

I/O Configuration and Channel Types

This module provides 8 digital input points and 8 digital output points. The inputs accept 24 VDC signals with built-in LED indicators for each channel. The outputs deliver 24 VDC at 0.3 A per point for driving small solenoids and indicator lamps. Two input channels operate at 5 kHz for basic counting applications. These fast inputs capture proximity sensor signals and simple pulse trains.

Physical Dimensions and Mounting Options

The NP1PS-16 measures 6.5 cm in width, 9.0 cm in height, and 5.5 cm in depth. It weighs approximately 0.25 kg, which supports straightforward panel installation. A rugged polycarbonate housing provides impact resistance and electrical insulation. The unit mounts directly onto a standard 35 mm DIN rail using the integrated clip. Alternatively, users can attach the module to panels with optional mounting screws.

Communication Ports and Programming Interface

This module includes one RS-232 port for programming and monitoring purposes. The programming port operates at 9.6 kbps for program downloads and uploads. A simple ribbon cable connects the module to handheld programmers or PC adapters. The unit supports online monitoring without stopping the running program. Additionally, the module provides a programming port for straightforward configuration.

Internal Components and Memory Configuration

The printed circuit board contains one CPU, one SRAM chip, and six optocouplers. A 64 kB flash memory stores the user program and system parameters permanently. The module also includes 32 kB of RAM for data retention during operation. A 0.047 F supercapacitor maintains the real-time clock for approximately 3 days. These memory resources ensure reliable program storage for basic applications.

Power Requirements and Isolation

The NP1PS-16 draws 150 mA from the 24 VDC supply under full operational load. Optical isolation provides 1500 VAC separation between the input field circuits and the internal logic. The output circuits include flyback diodes for inductive load transient suppression. Reverse polarity protection prevents damage from incorrect wiring connections. These protective measures enhance the module’s reliability in industrial environments.

Status Indication and Diagnostic Features

The front panel features 16 LEDs indicating the real-time status of each I/O point. Additional LEDs display power, run, and error conditions for quick assessment. The module provides fault history logging with time-stamped entries for troubleshooting. It also includes a watchdog timer that resets the processor upon software lockup. Maintenance personnel can diagnose issues rapidly without connecting external tools.

Environmental Specifications and Compliance

The NP1PS-16 operates reliably across temperatures from 0°C to 55°C. It withstands humidity levels up to 95% non-condensing without performance degradation. The module complies with IEC 61131-2 standards for programmable controllers. Vibration tolerance meets IEC 60068-2-6 requirements for industrial installations. This robust construction suits small packaging lines, conveyor sections, and standalone machinery.

Technical Data Sheet – Fuji NP1PS-16

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