Yaskawa CP-317 Modules: CP-317/261IFM JACP-317261

Technical Dossier

Product Details And Specifications

Yaskawa CP-317 Series: Comprehensive Module Range and Technical Overview

The Yaskawa CP-317 series represents the CPU and controller module tier within the Yaskawa MP2300 / JAPMC motion controller platform — a system with documented deployment across heavy-process industries including petrochemical refining, nuclear auxiliary systems, offshore platform automation, and large-scale power generation. The CP-317 designation covers the central processing units and interface modules that govern coordinated multi-axis motion, high-speed I/O scanning, and fieldbus communication within the MP2300 rack architecture. These modules are engineered to IEC 61131-3 programming standards and are designed for continuous-duty environments with extended MTBF ratings. As of 2026, the CP-317 series has entered the mature-to-end-of-life phase of its product lifecycle; Yaskawa has transitioned new installations toward the MP3300 and MP2600 platforms. However, the installed base of CP-317-based systems in long-lifecycle industrial facilities remains substantial, making verified spare parts and lifecycle extension support a critical operational requirement.

The Evolution of CP-317 Architecture

The CP-317 architecture was introduced as part of Yaskawa's second-generation MP-series motion controller platform, succeeding the CP-9200 and CP-9300 controller families. The original CP-317 CPU modules operated on a proprietary MECHATROLINK-II backplane bus, providing deterministic scan times suitable for synchronized multi-axis servo control. Early revisions (JACP-317220, JACP-317230) supported up to 16 axes with 1 ms scan cycles. The JACP-317261 variant (CP-317/261IFM) introduced an integrated fieldbus interface module (IFM) slot, enabling direct PROFIBUS-DP or DeviceNet connectivity without a separate communication card — a significant architectural change that reduced rack slot consumption in constrained panel installations.

Compatibility constraints are a primary concern for maintenance engineers: CP-317 CPUs are not hot-swappable in standard firmware revisions prior to V3.00. Backplane bus compatibility is limited to MP2300 and MP2300S rack assemblies; the modules are not electrically or mechanically compatible with MP3300 or MP2600 racks. Program memory is stored on internal flash; battery-backed SRAM retains real-time clock and retain variables. Engineers sourcing replacement units must verify firmware revision compatibility with the existing ladder/motion program before installation.

CP-317 Full Catalog & Functionalities (SKU List)

CPU / Controller Modules

• CP-317/261IFM (JACP-317261): MP2300 CPU with integrated fieldbus interface module slot, up to 32 axes
• JACP-317220: Standard CP-317 CPU, 16-axis capacity, MECHATROLINK-II bus, no IFM slot
• JACP-317230: CP-317 CPU, 32-axis capacity, extended program memory, no IFM slot
• JACP-317240: CP-317 CPU with enhanced floating-point processing, 32-axis, V3.x firmware
• JACP-317250: CP-317 CPU, high-speed scan variant, 0.5 ms minimum scan cycle

I/O Modules

• JEPMC-IO350: 32-point digital input module, 24 VDC, MP2300 rack-mount
• JEPMC-IO360: 32-point digital output module, transistor sink type, 24 VDC
• JEPMC-IO2310: 16DI / 16DO mixed I/O module, MP2300 compatible
• JEPMC-AN2900: 4-channel analog input module, 12-bit resolution, ±10 V / 4–20 mA
• JEPMC-AN2910: 4-channel analog output module, 12-bit, ±10 V / 4–20 mA

Communication / Fieldbus Adapter Modules

• JEPMC-PB2900: PROFIBUS-DP master/slave communication module for MP2300 rack
• JEPMC-DN2900: DeviceNet master communication module, MP2300 rack-mount
• JEPMC-EC2900: EtherCAT master module, MP2300S rack, firmware V4.00+
• JEPMC-CM2900: MECHATROLINK-III communication module, backward-compatible adapter

Power Supply Modules

• JEPMC-PS2900: MP2300 rack power supply, 24 VDC input, 5 A output, DIN-rail mount
• JEPMC-PS2910: Redundant power supply module for MP2300S rack, hot-swap capable

Sourcing Hard-to-Find & Obsolete CP-317 Parts

DriveKNMS maintains a dedicated inventory program for end-of-life Yaskawa MP2300 / CP-317 series components. As Yaskawa has formally discontinued new production of the JACP-317xxx CPU module range, procurement through standard distribution channels is no longer reliable. DriveKNMS sources verified surplus, refurbished, and new-old-stock (NOS) units through a controlled supply chain that includes decommissioned OEM equipment, authorized liquidation channels, and direct factory surplus.

For facilities operating CP-317-based systems beyond the original design lifecycle — common in nuclear auxiliary, chemical batch, and offshore applications where control system replacement is constrained by regulatory approval timelines — DriveKNMS provides lifecycle extension support including: unit-level functional testing, firmware version documentation, and long-term consignment stocking agreements. Minimum order quantities are not required for spare parts procurement; single-unit orders are accepted to support emergency maintenance scenarios.

Quality Control for the CP-317 Range

CP-317 CPU modules present specific quality verification challenges due to their integrated backplane bus transceivers and battery-backed memory subsystems. DriveKNMS applies the following test protocol to all CP-317 units prior to shipment:

• Power-on self-test (POST) verification against Yaskawa diagnostic LED sequence specification
• MECHATROLINK-II bus communication integrity test using a reference MP2300 rack and known-good servo amplifier
• Program memory read/write cycle test (flash endurance verification)
• Battery voltage measurement and replacement if below 2.8 V threshold
• Firmware revision identification and documentation (label applied to unit)
• IFM slot continuity test (applicable to JACP-317261 / CP-317/261IFM units)
• 48-hour burn-in at 40°C ambient prior to final inspection

All units are shipped with an inspection report documenting test results, firmware version, and unit serial number.