VIPA 314 Series Modules

Technical Dossier

Product Details And Specifications

VIPA 314 Series: Comprehensive Module Range and Technical Overview

The VIPA 314 Series represents a core product line within VIPA's (now Yaskawa Europe) SPEED7 and STEP7-compatible PLC ecosystem. Designed for demanding industrial environments, the 314 Series has achieved significant installed base across global heavy industries including petrochemical refineries, nuclear auxiliary systems, offshore platforms, and continuous-process chemical plants. Its compatibility with Siemens STEP7 programming environments made it a preferred alternative and drop-in replacement for S7-300 class controllers, enabling facilities to standardize on a single engineering toolchain while diversifying hardware supply chains. The 314 Series operates within VIPA's System 300S framework, supporting standard DIN rail mounting, S7-300 backplane bus compatibility, and MPI/PROFIBUS communication natively.

The Evolution of 314 Series Architecture

The VIPA 314 Series was introduced as part of VIPA's System 300S platform, engineered to be pin-compatible and software-compatible with Siemens S7-314 class CPUs. Early variants such as the 314-6CF02 and 314-6CF23 provided onboard I/O, MPI interfaces, and integrated PROFIBUS DP master ports — features that required separate modules in competing platforms. This integration strategy reduced panel footprint and wiring complexity in retrofit projects.

As industrial networks evolved toward PROFINET and Industrial Ethernet, VIPA extended the 314 Series with variants incorporating dual Ethernet ports and SPEED7 acceleration technology, delivering execution speeds up to 10x faster than standard S7-314 CPUs. The introduction of the 314-6CF23 and later 314-6CF33 variants added expanded memory (up to 512KB work memory), SD card slots for program backup, and enhanced diagnostic buffers. The series reached maturity in the 2015–2020 period; many variants are now classified as End-of-Life (EOL) by Yaskawa Europe, making third-party spare parts sourcing critical for facilities with long operational lifecycles (15–25 years) that cannot justify full DCS migration.

314 Series Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly deployed modules within the VIPA 314 Series and compatible System 300S ecosystem. Each entry reflects the module's primary functional role in a control architecture.

CPU Modules

• VIPA314-6CF02: CPU 314C-2DP, STEP7-compatible, onboard DI/DO, MPI + PROFIBUS DP master, 48KB work memory.
• VIPA314-6CF23: CPU 314C-2DP SPEED7, 256KB work memory, integrated PROFIBUS DP, SD card slot, enhanced diagnostics.
• VIPA314-6CF33: CPU 314C-2PN/DP, PROFINET IO controller + PROFIBUS DP master, 512KB work memory, dual-port Ethernet.
• VIPA314-6CF13: CPU 314C-2DP, mid-range SPEED7 variant, 128KB work memory, MPI/PROFIBUS DP, onboard I/O.
• VIPA315-2AG10: CPU 315-2DP, extended program memory, PROFIBUS DP master, compatible System 300S backplane.
• VIPA315-2EH14: CPU 315-2PN/DP, PROFINET + PROFIBUS dual interface, 256KB work memory, System 300S compatible.

Digital Input (DI) Modules

• VIPA321-1BH02: 16-channel digital input, 24VDC, 0.2ms input delay, S7-300 compatible addressing.
• VIPA321-1BH50: 16-channel DI, 24VDC, high-speed input, suitable for encoder and pulse applications.
• VIPA321-1CH20: 32-channel digital input, 24VDC, compact form factor, dual-row terminal block.

Digital Output (DO) Modules

• VIPA322-1BH01: 16-channel digital output, 24VDC/0.5A, transistor sourcing, short-circuit protected.
• VIPA322-1BH10: 16-channel DO, relay output, 230VAC/2A per channel, isolated contacts.
• VIPA322-1CH20: 32-channel DO, 24VDC transistor, high-density output for compact panel builds.

Analog Input/Output Modules

• VIPA331-7KF02: 8-channel analog input, ±10V / 0–20mA / 4–20mA, 12-bit resolution, configurable per channel.
• VIPA332-5HF00: 8-channel analog output, ±10V / 0–20mA, 12-bit, short-circuit and open-wire detection.
• VIPA334-0CE01: 4AI/2AO combination module, 12-bit, 4–20mA standard, reduced slot count for small panels.

Communication & Interface Modules

• VIPA340-1AH02: PROFIBUS DP slave interface module, up to 12Mbit/s, System 300S backplane bus.
• VIPA341-1AH01: RS-232/RS-485 point-to-point communication module, ASCII/3964R/Modbus RTU protocols.
• VIPA343-1EX11: Industrial Ethernet CP module, TCP/IP, ISO-on-TCP, S7 communication, 10/100Mbit.

Power Supply Modules

• VIPA307-1EA00: 24VDC/5A power supply module, System 300S rail mount, input 120/230VAC auto-range.
• VIPA307-1EA80: 24VDC/10A power supply, extended load capacity for high-density I/O racks.

Sourcing Hard-to-Find & Obsolete 314 Series Parts

A significant portion of the VIPA 314 Series — particularly early CPU variants such as the VIPA314-6CF02 — has been discontinued by Yaskawa Europe. OEM lead times for remaining new-old-stock (NOS) units are unpredictable, and direct factory support for firmware and hardware repair has been reduced. For facilities operating these controllers in long-lifecycle applications (refineries, power generation, water treatment), unplanned downtime caused by a failed CPU or I/O module is not acceptable.

Quality Control for the 314 Series Range

The VIPA 314 Series uses a proprietary SPEED7 backplane bus in addition to the standard S7-300 bus interface. This dual-bus architecture requires specialized test procedures that go beyond standard S7-300 module verification. DriveKNMS applies the following QC protocol to all 314 Series units:

• Backplane Bus Integrity Test: Each module is seated in a verified System 300S test rack and scanned for bus communication errors using VIPA-compatible diagnostic software.
• CPU Functional Verification: CPU modules are loaded with a standardized test program covering all onboard I/O channels, MPI communication, and PROFIBUS DP master/slave handshake cycles.
• Memory Retention Check: Work memory and load memory (MMC/SD) read/write cycles are verified. Retentive data areas are tested across simulated power-cycle sequences.
• Analog Module Calibration: All analog I/O modules are tested against calibrated reference signals at 0%, 25%, 50%, 75%, and 100% of rated range. Deviation exceeding ±0.5% of full scale results in rejection.
• Thermal Burn-In: High-value CPU and communication modules undergo a 24-hour powered burn-in at 45°C ambient to screen for early-life component failures.
• Visual and Connector Inspection: All backplane connectors, terminal blocks, and front panel indicators are inspected under magnification for pin damage, corrosion, or mechanical wear.