Building Automation & Industrial Control Solution – SAIA PCD6.A4 | PCD6 Series
Where This Product Is Used
The SAIA PCD6.A4 Processor Module is the central processing unit of the SAIA Burgess PCD6 programmable logic controller platform. It is deployed across demanding industrial environments where high-speed, deterministic control is non-negotiable:
- Building Automation & HVAC: Central plant control for chillers, AHUs, and BMS integration via BACnet/IP or Modbus.
- Water & Wastewater Treatment: Pump station sequencing, dosing control, and SCADA telemetry in remote or unmanned installations.
- Energy Management Systems: Sub-metering, load shedding, and demand-response coordination in commercial and industrial facilities.
- Manufacturing & Process Automation: Conveyor control, batch processing, and machine sequencing in food, pharma, and general manufacturing.
- Infrastructure & Utilities: Traffic management, tunnel ventilation, and district heating/cooling networks.
- OEM Machine Control: Embedded as the primary CPU in custom-built industrial machines requiring a compact, modular PLC architecture.
Technical Specifications
| Part Number | PCD6.A4 |
| Brand | SAIA-Burgess (Saia-Burgess Controls AG) |
| Series | PCD6 |
| Module Type | CPU / Processor Module |
| Platform | SAIA PCD (Programmable Control Device) |
| Programming Standard | IEC 61131-3 (IL, LD, FBD, SFC, ST) |
| Communication Ports | Serial (RS-232/RS-485), Ethernet (model-dependent) |
| Supported Protocols | Modbus RTU/TCP, BACnet MS/TP, BACnet/IP, S-Bus, Profibus (via expansion) |
| Operating Temperature | 0 °C to +55 °C |
| Storage Temperature | -25 °C to +70 °C |
| Supply Voltage | 24 V DC (via PCD6 backplane) |
| Weight | 2,750 g (module + packaging) |
| Mounting | PCD6 rack / backplane slot |
| Certifications | CE, UL (refer to current datasheet for revision-specific listings) |
Note: Specifications are based on published SAIA documentation. Always verify against the official datasheet for your specific hardware revision.
Why Engineers Specify This Model
- Proven PCD6 Platform: The PCD6 rack-based architecture is a long-standing choice for large-scale building and infrastructure projects requiring high I/O density and multi-CPU configurations.
- Multi-Protocol Native Support: Native BACnet and Modbus support eliminates the need for protocol gateways in mixed-vendor environments, reducing BOM cost and integration risk.
- IEC 61131-3 Compliance: Engineers can reuse structured text and function block libraries across projects, accelerating commissioning timelines.
- Modular Expandability: The PCD6 backplane supports a wide range of I/O, communication, and specialty modules, allowing the system to scale without replacing the CPU.
- Long-Term Availability: SAIA PCD6 components have an established supply chain with documented long-term support, critical for infrastructure projects with 15–25 year operational lifespans.
- Deterministic Scan Cycle: Consistent cycle times are essential for time-critical control loops in process and energy applications.
Complete System Bill of Materials
The PCD6.A4 operates within the SAIA PCD6 rack system. A typical control panel BOM includes:
- PCD6.A4 – Processor Module (this item)
- PCD6.Cxxx – PCD6 Rack / Backplane (4, 8, or 16 slot)
- PCD6.Pxxx – Power Supply Module (24 VDC input)
- PCD32.Exxx / PCD6.Exxx – Digital Input Modules
- PCD32.Axxx / PCD6.Axxx – Analog Input/Output Modules
- PCD6.Rxxx – Relay Output Modules
- PCD7.Fxxx – Communication / Fieldbus Modules (Profibus, Ethernet)
- PCD7.D4xx – Operator Panel / HMI (optional)
- PG5 Programming Software – SAIA’s IEC 61131-3 IDE (PC-based, licensed separately)
Contact support@konmask.com for complete system configuration assistance and compatible module cross-references.
Compliance & Industry Standards
- IEC 61131-3 – PLC programming language standard
- EN 61000-6-2 / EN 61000-6-4 – EMC immunity and emission for industrial environments
- CE Marking – European conformity for electrical equipment
- UL Listed – North American safety certification (verify revision)
- BACnet Standard (ASHRAE 135) – For building automation deployments
- RoHS Compliant – Restriction of hazardous substances
Quality Assurance & Sourcing
Konmask.com specializes in industrial automation components for B2B buyers, system integrators, and OEM manufacturers. Every unit we supply is:
- Sourced from authorized distributors or verified surplus channels with full traceability
- Inspected for physical integrity, label authenticity, and packaging condition prior to dispatch
- Shipped with original manufacturer documentation where available
- Supported by our technical team for pre-sale specification verification and post-sale integration queries
We do not supply counterfeit, remarked, or unverified components. All stock is held in climate-controlled storage facilities.
How to Source This Part
- In Stock: Add to cart and proceed to checkout. We accept T/T bank transfer, PayPal, and major credit cards.
- Bulk / Project Orders: Email support@konmask.com with your project BOM for volume pricing and lead-time confirmation.
- Urgent Requirements: Call or WhatsApp +0086 19859288691 for same-day quotation on critical spares.
- Not in Stock: We can source to order from our global supplier network — typical lead time 3–15 business days depending on origin.
- Export & Customs: We handle export documentation, HS code classification, and commercial invoices for international shipments.
Application-Specific FAQ
Q: Is the PCD6.A4 compatible with the PCD6.M5 / M6 series racks?
A: The PCD6.A4 is designed for the PCD6 rack platform. Compatibility with specific rack revisions should be confirmed against the SAIA hardware compatibility matrix or by contacting our technical team.
Q: Can the PCD6.A4 communicate directly with Siemens or Schneider PLCs?
A: Yes, via Modbus TCP/RTU or OPC-UA (with appropriate firmware/modules). Direct proprietary protocol bridging may require a gateway module.
Q: What programming software is required?
A: SAIA PG5 (Programming & Commissioning Software) is the standard IDE. It supports all IEC 61131-3 languages and is available from SAIA or authorized partners.
Q: Is this a new or refurbished unit?
A: Please confirm stock condition at time of order by contacting support@konmask.com. We clearly disclose new, surplus-new, and refurbished status for every unit.
Q: Do you provide a warranty?
A: Yes. We offer a standard 12-month warranty against manufacturing defects on all units supplied. Terms available on request.
Q: Can you supply the full PCD6 system (rack, PSU, I/O modules)?
A: Yes. We can supply complete PCD6 system builds. Send your BOM to support@konmask.com for a consolidated quotation.
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Contact: support@konmask.com | +0086 19859288691
