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Module Overview
This CPU module family provides scalable processing power for SPH series systems. You can install FUJI NP1PS-32/32R/NP1PS-74R/245R into the main rack of any SPH controller. These units execute ladder logic and manage all I/O scanning duties. They offer different memory sizes to match application requirements.
Technical Specifications
| Parameter | NP1PS-32/32R | NP1PS-74R/245R |
|---|---|---|
| Dimensions (W x H x D) | 70 x 100 x 85 mm | 70 x 100 x 85 mm |
| Weight | 0.36 kg | 0.38 kg |
| Processor type | 16-bit CPU | 32-bit RISC CPU |
| Program execution speed | 0.5 µs per step | 0.1 µs per step |
| Program memory | 32 KB flash | 74 KB flash |
| Data memory | 16 KB RAM | 32 KB RAM |
| Max I/O points | 512 local points | 1024 local points |
| Communication ports | 2 x RS-485 | 2 x RS-485 + 1 x Ethernet |
| Energy storage type | Lithium battery + super cap | Lithium battery + super cap |
| Battery life | 5 years | 5 years |
| Operating temperature | 0°C to +55°C | 0°C to +55°C |
Board Layout and Components
The PCB for each model places the CPU at the center for efficient performance. A lithium battery sits on the board for long-term data retention. Moreover, each unit contains 175 to 195 discrete parts depending on the model. The super capacitor provides temporary backup during battery replacement. Consequently, program data remains safe even without main power.
Installation Process
You can mount FUJI NP1PS-32/32R NP1PS-74R/245R into the leftmost slot of any SPH rack. The backplane connector carries power, I/O buses, and inter-processor communication. Furthermore, front panel ports provide access for programming and networking. LED indicators show CPU status, run mode, and error conditions clearly.
Performance Advantages
The NP1PS-32/32R executes each logic step in 0.5 microseconds typically. The NP1PS-74R/245R runs even faster at 0.1 microseconds per step. Therefore, large control programs scan in milliseconds rather than seconds. The Ethernet-equipped model also supports remote monitoring and data logging.
Safety and Compliance
FUJI NP1PS-32/32R NP1PS-74R/245R meets CE and RoHS industrial standards. These units discharge stored energy below 3V within five seconds. Hence, technicians face minimal electrical risk during module replacement.