Industrial Process Automation Solution – OPTO22 SNAP-PAC-S1 | SNAP PAC Series
Where This Product Is Used
The OPTO22 SNAP-PAC-S1 is a standalone programmable automation controller (PAC) engineered for demanding industrial environments. It is widely deployed across the following application sectors:
- Oil & Gas Processing: Pipeline monitoring, pump station control, wellhead automation, and SCADA integration at remote sites.
- Water & Wastewater Treatment: Lift station control, chemical dosing, filtration sequencing, and real-time telemetry to central SCADA systems.
- Food & Beverage Manufacturing: Batch process control, CIP (clean-in-place) sequencing, temperature and pressure regulation on production lines.
- Pharmaceutical & Life Sciences: Validated process control for bioreactors, cleanroom HVAC, and environmental monitoring systems.
- Building Automation & Energy Management: HVAC control, demand response, sub-metering, and integration with BACnet/Modbus building systems.
- Machine OEM & Custom Automation: Embedded controller for custom machinery requiring mixed I/O, Ethernet connectivity, and deterministic real-time execution.
- Remote Monitoring & Telemetry: Unmanned field sites requiring reliable autonomous operation with event-driven logic and data logging.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | SNAP-PAC-S1 |
| Brand | OPTO22 |
| Series | SNAP PAC |
| Controller Type | Standalone Programmable Automation Controller (PAC) |
| Processor | 32-bit RISC processor |
| Memory | 32 MB RAM / 32 MB Flash |
| Communication Ports | 2 × 10/100 Ethernet (RJ45) |
| Serial Ports | 1 × RS-232 / RS-485 (configurable) |
| SNAP I/O Capacity | Up to 512 I/O points (via SNAP racks) |
| Supported Protocols | Modbus TCP/RTU, SNMP, OptoMMP, EtherNet/IP (read), HTTP/FTP |
| Programming Software | PAC Control (flowchart-based), PAC Manager |
| Operating Temperature | 0°C to +70°C |
| Power Supply | 12–24 VDC (via SNAP rack power supply) |
| Certifications | UL Listed, CE Marked, RoHS Compliant |
| Weight | Approx. 1,380 g (with rack) |
| Mounting | DIN rail or panel mount via SNAP rack |
Why Engineers Specify This Model
- Dual Ethernet Ports: Enables network segmentation — one port for the control network, one for the enterprise/SCADA network — without additional switches.
- Flowchart-Based Programming: PAC Control’s graphical environment reduces development time and simplifies validation documentation for regulated industries.
- Massive I/O Scalability: Supports up to 512 mixed I/O points across analog, digital, serial, and specialty SNAP modules on a single controller.
- Open Protocol Support: Native Modbus TCP/RTU and EtherNet/IP read capability allows seamless integration with third-party PLCs, drives, and HMI systems.
- Deterministic Real-Time Execution: Suitable for time-critical control loops where scan-time consistency is mandatory.
- Proven Field Reliability: OPTO22 SNAP PAC controllers have a documented track record in harsh industrial environments since the early 2000s.
Complete System Bill of Materials
The SNAP-PAC-S1 operates as the brain of a SNAP PAC system. A complete control node typically includes:
- SNAP-PAC-S1 – Standalone PAC controller (this unit)
- SNAP-PA-4 or SNAP-PA-8 – 4-slot or 8-slot SNAP rack
- SNAP-PS5 – 5V power supply for SNAP rack
- SNAP-AIMA-i – Analog current input module (4–20 mA)
- SNAP-AIARMS – Analog AC RMS input module
- SNAP-IDC5 – Digital DC input module
- SNAP-OAC5 – Digital AC output module
- SNAP-SCM-485 – Serial communication module (RS-485)
- SNAP-WLAN-AHOLD – Wireless LAN module (optional)
Contact [email protected] for complete BOM pricing and availability.
Compliance & Industry Standards
- UL 508 – Industrial Control Equipment
- CE Marking – EMC Directive 2014/30/EU & Low Voltage Directive 2014/35/EU
- RoHS Directive 2011/65/EU – Restriction of Hazardous Substances
- NERC CIP – Compatible with cybersecurity-aware network architectures
- FDA 21 CFR Part 11 – Audit trail and data integrity support via PAC Control logging
Quality Assurance & Sourcing
Konmask.com sources the OPTO22 SNAP-PAC-S1 exclusively through verified industrial distribution channels. Every unit undergoes:
- Visual and label authenticity inspection
- Firmware version verification against OPTO22 release records
- Functional power-on test prior to shipment
- Anti-static packaging with humidity indicator cards
We provide full traceability documentation upon request, including distributor certificates of conformance.
How to Source This Part
- In Stock: Add to cart for immediate dispatch.
- Lead Time Orders: Contact us for factory-fresh units with extended lead times.
- Bulk / Project Pricing: Request a formal quotation for quantities ≥ 3 units.
- System Integration Support: Our engineers can assist with rack configuration, I/O module selection, and PAC Control programming guidance.
📧 [email protected] | 📞 +0086 19859288691
Application-Specific FAQ
- Q: Can the SNAP-PAC-S1 communicate with Siemens or Allen-Bradley PLCs?
- A: Yes. Via Modbus TCP or EtherNet/IP read tags, the SNAP-PAC-S1 can exchange data with most major PLC brands. OPC-UA bridging is also achievable via third-party middleware.
- Q: Is the SNAP-PAC-S1 suitable for hazardous area (Class I Div 2) installations?
- A: The controller itself is not rated for hazardous locations, but it can be installed in a purged/pressurized enclosure (NFPA 496) with appropriate SNAP I/O modules rated for the zone.
- Q: What is the difference between SNAP-PAC-S1 and SNAP-PAC-S2?
- A: The SNAP-PAC-S2 adds a second serial port and expanded memory. The S1 is the standard standalone model suitable for the majority of single-rack applications.
- Q: Does Konmask offer programming or commissioning support?
- A: We provide pre-sales technical consultation and can connect you with certified OPTO22 system integrators in your region. Contact us for details.
- Q: What is the warranty on this unit?
- A: Konmask provides a 90-day functional warranty on all stocked units. Factory warranty terms apply to new-in-box units sourced directly from authorized distribution.
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Original Source: https://Konmask.com
Contact: [email protected] | +0086 19859288691
