Product Core Brief
- Model: JACP-317801
- Brand: YASKAWA
- Series: Yaskawa CP-317 Digital Output Module
- Core Function: 8-point supervised digital output module for the Yaskawa CP-317 control system, providing discrete output status with supervision/diagnostic capability.
- Product Type: Supervised Digital Output Module
- Key Specs: CP-317 platform | 8 supervised digital output points | Legacy PLC spare | Rack-mounted I/O module
- Condition: New Original / New Surplus
- Status: Limited availability; confirm full model code, revision, rack type, output voltage, and load type before ordering
Key Technical Specifications
- Product type: Yaskawa CP-317 supervised digital output module
- Part number:
- System platform: Yaskawa CP-317 large-scale PLC/controller system
- Output type: Digital output with supervision / diagnostic monitoring
- Channels: 8 output points
- Output voltage / current: To be confirmed from module nameplate or Yaskawa documentation
- Supervision function: Supports supervised output monitoring to help detect wiring faults, load failures, or open-circuit conditions, depending on configuration
- Mounting: Installed in compatible Yaskawa CP-317 rack or mainframe
- Typical applications: CP-317 maintenance spares, legacy PLC support, retrofit projects, plant turnaround replacements, and supervised output loop restoration
- Handling: ESD-sensitive I/O module; verify model code, revision, slot position, and field wiring before installation
Note: Public spare-parts listings identify JACP-317801 as a Yaskawa CP-317 8-point supervised digital output module. Detailed electrical ratings such as output voltage, current capacity, response time, and supervision method should be confirmed from the module nameplate or Yaskawa documentation.
Product Introduction
The JACP-317801 is a Yaskawa CP-317 supervised digital output module used in legacy CP-317 PLC systems. It provides 8 discrete output channels with supervision capability, allowing the controller to monitor output status and help detect abnormal conditions such as open circuits or load faults.
CP-317 is a large-scale Yaskawa controller platform designed for complex automation systems, supporting multi-CPU configurations, Ethernet communication, and extensive I/O expansion. The JACP-317801 is typically used as a maintenance spare or replacement module in existing installations where supervised digital outputs are required.
Because CP-317 is a legacy platform, exact compatibility should be verified against the original installed module, including part number, revision, slot position, and field wiring configuration.
QA & Inspection SOP
Each unit is inspected before release:
- Nameplate verification: Confirm part number JACP-317801 and record revision, style, and serial information.
- Visual inspection: Check housing, connectors, terminals, and PCB for damage, corrosion, or burn marks.
- Connector check: Inspect backplane connectors and field-side terminals for bent pins, looseness, or oxidation.
- Insulation check: Verify no visible short circuits between output terminals, connectors, and ground.
- Label check: Confirm slot ID, channel labels, and wiring tags match the original module.
- Power-on test: If testable, install in a compatible CP-317 rack and verify normal module indication.
- Output check: Confirm supervised output response for representative channels under safe test conditions.
- Packaging: Protect connectors and terminals with anti-static packaging.
Full functional validation requires installation in a compatible Yaskawa CP-317 rack with authorized engineering access.
Installation Pitfalls & Guide
❗ Confirm the exact part number. JACP-317801 is a supervised digital output module. Do not substitute with JACP-317800, JACP-317802, or other CP-317 I/O modules without verification.
❗ Verify rack compatibility. Ensure the target CP-317 rack or mainframe supports this module type and slot position.
❗ Check output voltage and load type. Supervised outputs may require specific load types or wiring. Confirm voltage, current, and load compatibility before energizing.
❗ Review supervision settings. Supervised output behavior depends on system configuration. Incorrect wiring or load mismatch may trigger false diagnostics.
❗ Follow plant safety procedures. De-energize the rack or follow approved online replacement procedures before replacing I/O modules.
Installation steps:
- Pre-install: Record the original module part number, revision, slot position, and wiring labels.
- Isolate power: De-energize the CP-317 rack according to site safety procedures.
- Install: Seat the JACP-317801 firmly in the correct I/O slot.
- Connect: Reconnect field wiring according to the original diagram and terminal labels.
- Power-up: Restore power and check module status indicators.
- Verify: Confirm correct output status, supervision diagnostics, and absence of I/O alarms through authorized engineering tools.
Technical FAQ
What is YASKAWA JACP-317801?
It is a Yaskawa CP-317 8-point supervised digital output module used in legacy CP-317 PLC systems.
Which system does it belong to?
It belongs to the Yaskawa CP-317 controller platform, a large-scale PLC system for complex automation applications.
What does “supervised output” mean?
Supervised output allows the controller to monitor the output channel and help detect faults such as open circuits or load failures, depending on system configuration and wiring.
Can it replace JACP-317800 or JACP-317802?
Not without verification. These part numbers may represent different I/O types, channel counts, or functions. Always confirm against the original module nameplate.
What should I check before ordering?
Confirm the full part number JACP-317801, revision, slot position, output voltage, load type, supervision configuration, and compatible CP-317 rack. A nameplate photo is the most reliable way to confirm compatibility.








