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NP1*C Yokogawa I/O Module | New & Original Stock

NP1*C Yokogawa I/O Module | New & Original Stock

The Yokogawa NP1*C, also cataloged as the NP1*C I/O Module, operates as a compact and versatile hardware interface designed for the NP1 series Programmable Logic Controller (PLC) platforms. This module...

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AvailabilityLow stock: 99 left

SKU: NP1*C
Vendor: Yokogawa
Category: I/O Module
Related Series:

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The Yokogawa NP1*C, also cataloged as the NP1*C I/O Module, operates as a compact and versatile hardware interface designed for the NP1 series Programmable Logic Controller (PLC) platforms. This module provides direct electrical execution of field signal acquisition and command output, facilitating the integration of analog and digital instrumentation into robust industrial automation environments.

Hardware Specifications

Parameter Specification
Model NP1*C
Brand Yokogawa
Type I/O Module
Memory 512 KB to 4 MB RAM / 256 KB to 2 MB Flash ROM
Dimensions 100 mm x 100 mm x 50 mm
Weight 0.2 kg
Operating Temp -25°C to +70°C
Communication RS-232, RS-485, Ethernet (model dependent)
Architecture Modular I/O design

Process Control and System Connectivity

The NP1C is engineered to offer high flexibility through its modular design, allowing users to configure a wide range of analog and digital I/O points tailored to specific machine or process control needs. Its internal memory architecture—supporting up to 4 MB of RAM and 2 MB of Flash ROM—enables the storage of complex control logic and system parameters directly at the module level. With integrated support for various industrial communication protocols, the NP1C ensures seamless data exchange between the PLC backplane and external monitoring or supervisory systems.

Frequently Asked Questions

Q: Does the NP1C support hot-swapping during active system operation? A: No, the NP1C is not designed for hot-swapping. The host PLC rack must be powered down or placed in a defined maintenance mode prior to module removal or installation to prevent corruption of the backplane communication or potential electrical damage.

Q: How does the "*C" suffix impact configuration?

A: The "*C" designation indicates a specific series revision or model variant within the NP1 family, which may influence the specific communication capabilities (e.g., specific Ethernet or serial port hardware availability) and firmware compatibility.

Field Installation Guidelines

  • Always verify that the power supply to the NP1 series PLC rack is disconnected and locked out before handling the module.
  • Carefully align the module with the designated backplane slot; do not force the module, as misalignment can damage the communication pins.
  • Secure the module using the built-in locking mechanism or chassis screws to ensure proper grounding, which is essential for electromagnetic compatibility (EMC).
  • Maintain physical separation between data communication cables (Ethernet/RS-485) and high-voltage power lines to mitigate the risk of electromagnetic interference (EMI).
  • After installation, utilize the engineering configuration software to map the specific I/O points and verify communication stability between the module and the PLC CPU.