HCBBS Forum (English)
HomeForumView Original
Submit Chemical Projects / Find Solutions
Amplify Your Requirements on a Broader Chemical Platform *Engineering · Technology · Equipment · Solutions*
Submit Request
English Translations » 信息处理 » In the design of automatic instrument systems, what do the f

In the design of automatic instrument systems, what do the following symbols mean?

2010-07-01View Original

Thread Content

What do ZOA, ZCA, ZSO, and ZSC mean?
Reply #22010-07-01
ZOA (not seen) ZCA (not seen) ZSO: feedback for valve position being open; ZSC: feedback for valve position being closed
Reply #32010-07-01
It may be an alarm when the ZOA valve is fully opened, and an alarm when the ZCA valve is fully closed

Related Threads in This Forum

← Previous

No previous threads indexed

Next →

No next threads indexed

Browse all threads in this forum →

Translated at 2026-07-27 03:30:56

Original: https://bbs.hcbbs.com/thread-691089-1-1.html

© 2026 HCBBS Forum. Content translated for international readers.

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.

Quick Links