Scanning time for analog valve programs in PLC programs

2015-06-15View Original

Thread Content

Let’s discuss what values should be set for the scanning time of programs related to analog input, valves (including AO and DO), and valve feedback when developing software Are there any relevant regulations or something?

Reply #22015-06-16

500ms to 1s – it doesn’t need to be too high; too high a value can cause frequent oscillations in the system. On the other hand, if it’s too low, it may not be possible to adjust parameters such as traffic rates in a timely manner

Reply #32015-06-16

When using PCS 7, by default they are all placed in OB35, with a time interval of 100ms

Reply #42015-06-16

Typically, DCS ranges from 500ms to 1s

Submit a Project

**Looking for Chemical Technology, Equipment & Solutions?** No Registration Required Broader Platform Exposure | Global Chemical Service Provider Connections

Submit Request — Free Consultation

Disclaimer

This is an automated machine translation of the original thread. Some technical terms may have inaccuracies; the original text shall prevail. Click "View Original" at the top right to access the source page, which supports IP-based automatic real-time language translation. Please watch out for contact details and sales inducements to prevent fraud. All content and translations are for reference only, representing solely the poster's personal views. For enquiries, email service@hcbbs.com.

Scanning time for analog valve programs in PLC programs

Thread Content

Related Threads in This Forum

← Previous

Next →

Submit a Project

Disclaimer

Quick Links