Industrial Automation Solution – Schneider Electric MODICON PC-E984-685 | 984 Series
Where This Product Is Used
The Schneider Electric MODICON PC-E984-685 is a high-performance processor module engineered for demanding industrial control environments. Engineers and system integrators deploy this CPU across a wide range of mission-critical applications:
- Discrete Manufacturing Automation – Assembly lines, stamping presses, and robotic welding cells requiring deterministic scan-cycle control
- Process Industries – Chemical plants, oil & gas upstream/downstream facilities, and water treatment stations where continuous process integrity is non-negotiable
- Power Generation & Distribution – Substation automation, generator control panels, and load-shedding systems
- Material Handling & Conveying – Sortation systems, palletizers, and automated storage & retrieval systems (AS/RS)
- Building & Infrastructure Automation – HVAC control, fire suppression interlocks, and access control integration
- Marine & Offshore – Ballast control, cargo management, and engine room automation aboard vessels
Technical Specifications
| Part Number / SKU | PC-E984-685 |
| Brand | Schneider Electric (MODICON) |
| Series | MODICON 984 |
| Module Type | Processor / CPU Module |
| Form Factor | Rack-mount, MODICON 984 backplane compatible |
| Communication Ports | Modbus RTU / Modbus Plus (model-dependent) |
| Memory | Extended user program and data memory |
| I/O Capacity | Supports large-scale distributed I/O via Modbus Plus network |
| Operating Temperature | 0 °C to 60 °C (32 °F to 140 °F) |
| Storage Temperature | -40 °C to 85 °C |
| Humidity | 5% to 95% non-condensing |
| Power Supply | Supplied via MODICON 984 backplane |
| Weight | Approx. 26.5 kg (shipping weight) |
| Certifications | CE, UL, CSA (refer to original datasheet) |
Why Engineers Specify This Model
- Proven 984 Architecture – The MODICON 984 platform has decades of field-proven reliability in harsh industrial environments, making it the preferred choice for brownfield upgrades and legacy system maintenance
- Modbus Plus Networking – Native Modbus Plus support enables high-speed peer-to-peer communication across large distributed control architectures without additional gateways
- Extended I/O Scalability – The PC-E984-685 supports expanded I/O configurations, reducing the need for additional CPUs in large-scale installations
- Backward Compatibility – Drop-in replacement for existing 984-series racks, minimizing downtime during maintenance or upgrade cycles
- Deterministic Scan Cycle – Guarantees predictable response times critical for safety interlocks and high-speed process control
- Long Service Life – Designed for 24/7 continuous operation in industrial-grade environments
Complete System Bill of Materials
For a complete MODICON 984-series control system, engineers typically specify the following components alongside the PC-E984-685:
- MODICON 984 Rack / Backplane (e.g., AS-B908-016)
- MODICON Power Supply Module (e.g., AS-P902-000)
- Modbus Plus Network Adapter (e.g., SA85 for PC-based SCADA)
- Discrete Input Modules (e.g., AS-B819-016)
- Discrete Output Modules (e.g., AS-B827-016)
- Analog Input / Output Modules (e.g., AS-B869-016)
- Programming Software – Concept or ProWORX 32 (legacy)
- Programming Cable – Modbus RS-232 or USB-to-Modbus adapter
Contact [email protected] for complete BOM sourcing assistance.
Compliance & Industry Standards
- CE Marking – Compliant with EU Machinery Directive and EMC Directive
- UL Listed – Recognized for use in North American industrial installations
- CSA Certified – Approved for Canadian industrial applications
- IEC 61131-3 – Programming environment compatible with IEC ladder logic and function block standards
- RoHS – Verify specific batch compliance with your Konmask sales representative
Quality Assurance & Sourcing
At Konmask.com, every MODICON PC-E984-685 unit undergoes a rigorous multi-point inspection process before shipment:
- Visual inspection for physical damage, corrosion, and counterfeit indicators
- Functional power-on verification where applicable
- Firmware and label authenticity cross-check against OEM records
- Anti-static packaging with humidity indicator cards
- Traceable lot documentation available upon request
We source exclusively from authorized distributors, certified surplus channels, and direct OEM relationships to ensure genuine Schneider Electric components.
How to Source This Part
- Add to Cart – Click the purchase button above to place your order directly online
- Request a Quote – Email [email protected] for volume pricing, lead time confirmation, or custom BOM sourcing
- Phone / WhatsApp – Reach our technical sales team at +0086 19859288691 for urgent requirements
- Datasheet & Documentation – Request the original Schneider Electric datasheet, wiring diagrams, or installation manual from our team
- Shipping – Worldwide shipping available; DHL, FedEx, and UPS express options for time-critical orders
Application-Specific FAQ
Q: Is the PC-E984-685 compatible with my existing MODICON 984 rack?
A: Yes. The PC-E984-685 is designed for the MODICON 984 backplane family. Verify slot width and power budget with your rack model before installation.
Q: Can I use ProWORX 32 or Concept software to program this module?
A: Yes. The MODICON 984 series is supported by ProWORX 32 and Concept programming environments. Contact us if you need assistance sourcing legacy programming software.
Q: What is the difference between PC-E984-685 and other 984-series CPUs?
A: The PC-E984-685 is positioned in the upper tier of the 984 CPU range, offering expanded memory and I/O capacity compared to lower-numbered variants such as the 685 base model. Consult the Schneider Electric 984 selection guide for a full comparison.
Q: Do you offer a warranty on this module?
A: Yes. Konmask.com provides a standard warranty on all shipped units. Contact [email protected] for warranty terms specific to this part number.
Q: Can this module be used in a safety-rated (SIL) application?
A: The standard MODICON 984 series is not rated for SIL 2/3 safety applications. For safety-rated PLC requirements, please inquire about Schneider Electric Modicon M580 Safety or Preventa safety controllers.
© 2026 Konmask.com. All rights reserved.
Original Source: https://Konmask.com
Contact: [email protected] | +0086 19859288691
