PLC vs DCS: How to Choose the Best Control System for Industrial Automation
💰 Cost vs. Scale Economics
Initial investment becomes the watershed: PLC systems excel in small-scale projects, while DCS solutions achieve lifecycle cost optimization through centralized engineering management in large continuous processes.
⚡ Real-Time Response
- PLC lightning scan: 1-20ms I/O refresh
- DCS precision cycle: 100-500ms process optimization
🔀 Network Architecture
PROFINET/EtherNet/IP vs Custom industrial protocols - balancing openness with reliability
🏭 Core Application Battlefield
PLC Domains
• High-speed packaging systems
• Robotic motion control
• Discrete manufacturing sequencing
DCS Territories
• Petrochemical cracking optimization
• Pharmaceutical batch process control
• Continuous production quality loops
🖥️ Programming Paradigms
Ladder Logic Traditional electrical mapping vs CFC/SFC Process flow language
⚠ Redundancy Alert
Native triple modular redundancy (DCS) vs PLC fault-tolerant configurations - survival strategies for critical processes
📊 Smart Factory Integration
DCS with built-in PHM predictive maintenance and 60-year data historization vs PLC through IIoT gateways
| Model | Title | Link |
|---|---|---|
| 21000-28-05-00-065-00-02 | Relative Probe Assembly | Learn More |
| 21000-28-10-00-217-04-02 | Proximity Probe Housing Assembly | Learn More |
| 21000-16-10-00-256-01-02 | GE Bently Nevada Assembly | Learn More |
| 21000-16-10-15-114-03-02 | Proximity Housing Assembly | Learn More |
| 21000-16-10-00-077-03-02 | Bently Nevada Assembly | Learn More |
| 21000-28-05-00-064-04-02 | Probe Housing Assembly | Learn More |
| 21000-00-00-00-035-04-02 | Proximity Probe Housing | Learn More |
| 21000-16-05-00-105-03-02 | Housing Assembly Unit | Learn More |
| 21000-16-10-00-144-03-02 | Probe Housing Unit | Learn More |
| 21000-16-10-00-066-03-02 | Bently Nevada Component | Learn More |