Fuji Electric NR1 Series PLC Modules: NR1TY-16T05DT

Technical Dossier

Product Details And Specifications

Fuji Electric NR1 Series: Comprehensive Module Range and Technical Overview

The Fuji Electric NR1 Series is a compact, high-performance programmable logic controller platform deployed across global heavy industry sectors including petrochemical plants, power generation facilities, water treatment infrastructure, and discrete manufacturing lines. The NR1 architecture is engineered for deterministic scan-cycle execution, modular I/O expansion, and long-term field reliability in environments with elevated EMI, vibration, and thermal stress. Its installed base spans facilities in Asia-Pacific, the Middle East, and Eastern Europe, where Fuji Electric's industrial automation division has maintained a sustained presence since the 1990s. The NR1 Series occupies the mid-range tier of Fuji Electric's PLC portfolio, positioned between the entry-level SPB series and the high-end MICREX-SX platform, making it a standard specification in process control panels requiring deterministic cycle times under 1 ms and distributed I/O over RS-485 or Ethernet.

The Evolution of NR1 Series Architecture

The NR1 Series was introduced as a successor to Fuji Electric's earlier SPB and SPH controller families, consolidating discrete and analog I/O handling into a unified backplane architecture. Early NR1 variants used proprietary RS-485 serial links for remote I/O expansion, with scan cycles in the 2–5 ms range. Subsequent hardware revisions introduced onboard Ethernet ports, expanded program memory (from 8K to 64K steps), and support for structured text and function block programming in compliance with IEC 61131-3. The NR1TY sub-family, which includes the NR1TY-16T05DT, represents the transistor output variant of the NR1 compact CPU range, optimized for high-frequency switching applications where relay output contact wear is a limiting factor. As of 2024, the NR1 Series has entered the mature/end-of-active-production phase for several CPU and I/O module variants. Fuji Electric continues to provide repair and limited spare parts support through authorized channels, but new production orders for select models are no longer accepted. This makes third-party inventory sourcing from specialists such as DriveKNMS a primary procurement path for maintenance engineers managing legacy NR1 installations.

NR1 Series Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly sourced modules within the Fuji Electric NR1 Series. Modules are classified by functional category.

CPU / Controller Modules

• NR1TY-16T05DT: Compact CPU, 16-point transistor output, 24VDC sink, onboard RS-485
• NR1TY-16R05DT: Compact CPU, 16-point relay output, 24VDC, onboard RS-485 port
• NR1TY-32T05DT: Compact CPU, 32-point transistor output, expanded I/O capacity
• NR1TY-32R05DT: Compact CPU, 32-point relay output, 24VDC, standard DIN rail mount
• NR1TY-48T05DT: Compact CPU, 48-point transistor output, high-density I/O configuration

Digital Input (DI) Modules

• NR1-X16: 16-point digital input module, 24VDC sink/source compatible
• NR1-X32: 32-point digital input module, high-density, 24VDC
• NR1-X8S: 8-point digital input, isolated, for high-noise environments

Digital Output (DO) Modules

• NR1-Y16T: 16-point transistor output module, 24VDC, 0.5A per point
• NR1-Y16R: 16-point relay output module, 250VAC/30VDC, 2A per point
• NR1-Y32T: 32-point transistor output, high-density, NPN sink type

Analog I/O (AI/AO) Modules

• NR1-A4I: 4-channel analog input, 4–20mA / 0–10V selectable, 12-bit resolution
• NR1-A4O: 4-channel analog output, 4–20mA / 0–10V, 12-bit resolution
• NR1-A8I: 8-channel analog input, high-resolution 14-bit, for precision process loops

Communication / Network Modules

• NR1-MC01: RS-485 communication adapter, Modbus RTU master/slave support
• NR1-ET01: Ethernet communication module, Modbus TCP, 10/100 Mbps
• NR1-PR01: PROFIBUS-DP slave adapter for integration into Siemens DCS networks

Power Supply Modules

• NR1-PA01: 24VDC power supply module, 5A output, DIN rail mount
• NR1-PA02: 100–240VAC input power supply, 24VDC/3A output, wide-range input

Sourcing Hard-to-Find & Obsolete NR1 Series Parts

Quality Control for the NR1 Series Range

All NR1 Series modules processed by DriveKNMS undergo a structured inspection and functional verification protocol prior to dispatch. CPU modules including the NR1TY-16T05DT are bench-tested under simulated load conditions to verify scan cycle execution, I/O point integrity, and communication port functionality. Backplane connectors are inspected for pin deformation, oxidation, and contact resistance. Firmware version is recorded and cross-referenced against known compatibility matrices for the target application. Analog modules are calibrated against traceable reference standards to confirm channel accuracy within published specifications. Modules that fail any stage of the verification protocol are quarantined and not offered for resale. Test records are retained and available upon request for quality-critical procurement processes.