SHARP JW Series Modules | JW-214NA Power Supply Module

Technical Dossier

Product Details And Specifications

SHARP JW Series: Comprehensive Module Range and Technical Overview

The SHARP JW Series programmable logic controller platform has maintained a significant installed base across global heavy industries including petrochemical refineries, nuclear power auxiliary systems, chemical processing plants, and continuous manufacturing lines. Originally engineered by Sharp Corporation's industrial automation division, the JW Series established itself as a reliable mid-range PLC architecture throughout the 1980s and 1990s. Its modular backplane design, deterministic scan cycle, and robust I/O density made it a preferred choice for process engineers requiring long-term stability in harsh environments. Facilities running JW Series hardware today represent a substantial legacy asset base, and sourcing genuine or compatible replacement modules remains a critical operational requirement for maintenance teams worldwide.

The Evolution of JW Series Architecture

The SHARP JW Series evolved through several distinct hardware generations. The early JW-50H and JW-100H controllers established the foundational backplane bus standard, using a parallel I/O bus architecture with fixed-slot addressing. These units supported ladder logic programming via dedicated handheld programmers and early RS-232 interfaces.

The mid-generation JW-200 and JW-300 series introduced expanded memory addressing, floating-point arithmetic capability, and support for high-speed counter modules. The backplane bus was extended to accommodate up to 8 expansion racks in some configurations, enabling large-scale I/O counts suitable for refinery distributed control applications.

The later JW-32CUH and JW-33CUH CPU modules represented the architectural peak of the series, incorporating Ethernet-ready communication options and compatibility with Windows-based programming software (JW-50P). By the mid-2000s, Sharp Corporation exited the industrial automation market, transferring support responsibilities to third-party maintainers. The entire JW Series is now classified as end-of-life (EOL) by the original manufacturer, making aftermarket sourcing and lifecycle extension services the primary support pathway for existing installations.

JW Series Full Catalog & Functionalities (SKU List)

CPU & Controller Modules

• JW-32CUH: High-performance CPU module, 32K step program memory, RS-232C + RS-485 ports
• JW-33CUH: Enhanced CPU with expanded data memory, supports JW-NET network protocol
• JW-22CU: Compact CPU module for small-scale JW-200 rack configurations
• JW-13CU: Entry-level CPU, 8K step capacity, single RS-232C port

Power Supply Modules

• JW-214NA: 100–240VAC input power supply module, 5VDC/3A output, for JW-200 series rack
• JW-114NA: 100–240VAC power supply for JW-100 series rack, 5VDC/2A rated output
• JW-314NA: High-capacity power supply for JW-300 series, 5VDC/5A, supports extended I/O racks
• JW-214DC: 24VDC input power supply variant for JW-200 rack, panel-mount DC applications

Digital Input (DI) Modules

• JW-2DI32A: 32-point 24VDC digital input module, sink type, for JW-200 rack
• JW-2DI16A: 16-point 24VDC digital input, isolated commons, LED status indicators
• JW-2DI32B: 32-point 100–120VAC digital input module, zero-cross detection

Digital Output (DO) Modules

• JW-2DO32A: 32-point 24VDC transistor output module, source type, 0.5A per point
• JW-2DO16R: 16-point relay output module, 2A per point, 250VAC/30VDC rated contacts
• JW-2DO32T: 32-point transistor output, NPN sink type, high-speed switching capability

Analog I/O Modules

• JW-2AD4: 4-channel analog input, 4–20mA / 0–10V selectable, 12-bit resolution
• JW-2DA2: 2-channel analog output, 4–20mA / 0–10V, 12-bit D/A conversion

Communication & Network Modules

• JW-21CM: RS-232C/RS-485 communication module, supports Modbus RTU protocol
• JW-22CM: Dual-port communication adapter, JW-NET master/slave configuration

Sourcing Hard-to-Find & Obsolete JW Series Parts

With SHARP having exited the industrial automation market, OEM support channels for the JW Series are no longer active. DriveKNMS maintains a dedicated inventory program for JW Series components, covering both common replacement modules and low-volume obsolete variants. Our sourcing network spans manufacturer-certified refurbished stock, new-old-stock (NOS) units from original distribution channels, and functionally tested pull-out modules from decommissioned systems.

For facilities operating JW Series PLCs in critical process environments, DriveKNMS provides lifecycle extension support including: module cross-reference analysis, compatibility verification across JW rack generations, and long-term supply agreements for maintenance teams requiring guaranteed availability windows. Inquiries for bulk quantities, emergency replacement orders, or multi-SKU BOM fulfillment are handled directly by our technical sales team.

Quality Control for the JW Series Range

JW Series modules present specific testing challenges due to their proprietary backplane bus protocol and generation-dependent slot addressing logic. DriveKNMS applies a structured verification process for all JW Series units prior to dispatch:

• Backplane bus integrity test: Each module is seated in a generation-matched JW rack and verified for correct bus communication handshake with a reference CPU module.
• Power supply load testing: Power supply modules including the JW-214NA are tested under rated load conditions (full 3A draw) for a minimum 2-hour burn-in period. Output voltage ripple and regulation are measured against OEM specifications.
• I/O point verification: All digital input and output channels are individually exercised. Analog modules undergo calibration verification against a traceable reference standard.
• Communication port validation: RS-232C and RS-485 ports on CPU and communication modules are tested for correct signal levels and protocol response using JW-NET and Modbus RTU test frames.
• Visual and component inspection: PCB inspection for capacitor condition, relay contact wear, and connector pin integrity is performed on all refurbished units.