Description
ABB DSPC172H is a high-performance processor module engineered for ABB AC 800M and Mark VIe control systems, specialized in real-time control logic execution, distributed I/O management, and multi-protocol communication in critical industries like power generation, chemical, and manufacturing. ABB DSPC172H features a 32-bit RISC processor and 64 MB RAM, delivering a 0.1 ms ultra-fast scan cycle to handle complex automation tasks with precision. ABB DSPC172H supports versatile communication interfaces including Ethernet, RS-232, RS-422/485, and CAN bus, enabling seamless connectivity with serial devices, sensors, and third-party systems. ABB DSPC172H integrates 32 MB flash memory for program storage and a battery-backed real-time clock, ensuring data integrity during power fluctuations. ABB DSPC172H’s compact DIN-rail design and IP20 protection make it suitable for harsh industrial cabinets, while its compliance with IEC 61131-3 standards simplifies programming and system integration.
Technical Parameters ABB DSPC172H
| Parameter Item | Parameter Value |
|---|---|
| Product Model | ABB DSPC172H |
| Product Type | High-Performance Processor Module (CPU) |
| Compatible Systems | ABB AC 800M, ABB Mark VIe Control Systems |
| Core Function | Real-time control logic execution, I/O management, multi-protocol communication |
| Processor | 32-bit RISC, 400 MHz |
| Memory | 64 MB RAM, 32 MB Flash |
| Program Capacity | 128 k instructions |
| I/O Capacity | Up to 8192 I/O points |
| Scan Cycle Time | 0.1 ms |
| Communication Interfaces | 2×Ethernet, 1×RS-232, 1×RS-422/485, 1×CAN bus |
| Supported Protocols | Modbus, Profibus-DP, Ethernet/IP, CANopen |
| Power Supply | 24 VDC ± 10% |
| Power Consumption | 8 W |
| Operating Temperature | -40°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Protection Level | IP20 |
| Mounting | 35 mm DIN-rail |
| Dimensions (L×W×H) | 160 × 160 × 120 mm |
| Programming Standard | IEC 61131-3 (LD, FBD, IL, ST, SFC) |
| Certifications | CE, UL, RoHS |
| MTBF | > 500,000 hours |
| Warranty Period | 1 year |
Advantages and Features ABB DSPC172H
- Ultra-Fast Processing: 0.1 ms scan cycle of ABB DSPC172H enables real-time response for time-critical applications like power plant turbine control.
- Versatile Connectivity: Multiple communication interfaces of ABB DSPC172H support connection to serial devices, sensors, and distributed I/O networks, reducing integration complexity.
- High I/O Capacity: ABB DSPC172H handles up to 8192 I/O points, eliminating the need for additional processor modules in large-scale systems.
- Robust Data Integrity: Battery-backed real-time clock and flash memory of ABB DSPC172H protect program data and system time during power interruptions.
- Easy Programming: Compliance with IEC 61131-3 standards allows flexible programming for ABB DSPC172H, adapting to diverse control logic requirements.
- Wide Operating Temperature: ABB DSPC172H operates from -40°C to +70°C, ensuring reliability in extreme industrial environments.
Application Cases ABB DSPC172H
- Power Plant Turbine Control: A utility company deployed ABB DSPC172H in its Mark VIe system to control gas turbine operations, leveraging the 0.1 ms scan cycle to reduce response time by 35% and improve energy efficiency by 12%.
- Chemical Plant Process Automation: A chemical manufacturer used ABB DSPC172H with AC 800M to manage 5000+ I/O points across batch reactors, achieving 99.99% system availability via robust memory and multi-protocol support.
- Manufacturing Line Control: An auto parts plant integrated ABB DSPC172H to coordinate conveyor systems and robotic arms, cutting production downtime by 20% through fast logic execution and seamless device connectivity.
- Oil & Gas Pipeline Monitoring: A pipeline operator utilized ABB DSPC172H to connect remote sensors and serial devices, enabling real-time pressure/temperature monitoring and reducing maintenance costs by 18%.
Competitor Comparison
| Feature | ABB DSPC172H | ABB DSPC170 | Siemens S7-1518F |
|---|---|---|---|
| Scan Cycle Time | 0.1 ms | 0.3 ms | 0.2 ms |
| I/O Capacity | Up to 8192 points | Up to 4096 points | Up to 6400 points |
| Communication Interfaces | Ethernet, RS-232, RS-485, CAN | Ethernet, RS-485 | Ethernet, Profinet |
| Processor Speed | 400 MHz | 300 MHz | 350 MHz |
| MTBF | > 500,000 hours | > 400,000 hours | > 450,000 hours |
| Compatible Protocols | Modbus, Profibus-DP, Ethernet/IP, CANopen | Modbus, Profibus-DP | Profinet, Modbus TCP |
| Price Range | Mid-High | Mid-Range | High |
Selection Suggestions
- Choose ABB DSPC172H for ABB AC 800M or Mark VIe systems to leverage native compatibility and maximize control performance.
- Prioritize ABB DSPC172H for high-speed automation tasks (e.g., turbine control, large-scale I/O management) requiring a 0.1 ms scan cycle.
- Select ABB DSPC172H for applications needing multi-protocol communication and wide operating temperature range (-40°C to +70°C).
Precautions
- Use a stable 24 VDC power supply with ±10% tolerance for ABB DSPC172H to avoid performance degradation from voltage fluctuations.
- Ensure proper ventilation and ≥50 mm clearance around ABB DSPC172H during mounting to prevent overheating in high-temperature environments.
- Verify protocol compatibility between ABB DSPC172H and connected devices (e.g., serial sensors, third-party DCS) before commissioning.
- Back up program data regularly via ABB DSPC172H’s flash memory to prevent data loss during system maintenance.
- Follow IEC 61131-3 programming guidelines for ABB DSPC172H to ensure control logic stability and avoid execution conflicts.

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PLC : Allen Bradley , Siemens MOORE, GE FANUC , Schneider
DCS : ABB ,Honeywell, Invensys Triconex , Foxboro , Ovation,YOKOGAWA, Woodword, HIMA
TSI : Triconex , HIMA , Bently Nevada , ICS Triplex
Complete service we offer
Payment: T/T
Delivery: 1-2 days
Shipment: DHL UPS FedEx, etc
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PLC : Allen Bradley , Siemens MOORE, GE FANUC , Schneider
DCS : ABB ,Honeywell, Invensys Triconex , Foxboro , Ovation,YOKOGAWA, Woodword, HIMA
TSI : Triconex , HIMA , Bently Nevada , ICS Triplex
Complete service we offer
Payment: T/T
Delivery: 1-2 days
Shipment: DHL UPS FedEx, etc
After-sales service: Yes, 24/7 hours




Email: jiedong@sxrszdh.com
Phone / Wechat:+86 15340683922
Wechat:+86 15343416922