Yamatake Sdc20 User Manual < 2025-2027 >
Press and hold the key for 3 seconds to access the setup parameter menus. Press Mode repeatedly until the lower display shows AT .
The SDC20 utilizes a robust PID control algorithm to maintain a setpoint with minimal overshoot. Its standout feature is the . By using a "limit cycle" method, the controller can automatically calculate the optimal PID constants (proportional band, integral time, derivative time) for a specific system. This self-tuning process significantly simplifies controller commissioning and eliminates the guesswork of manual tuning.
Rated as Category II for over-voltage and Pollution Degree 2. Key Operations & Functions Display Indicators: yamatake sdc20 user manual
The front panel features a clear LCD display and five tactile keys for navigation and parameter adjustment. The three primary operating modes are:
If you have an old Yamatake SDC20 with a green power light but no output, download the Azbil SDC20 “Quick Reference Card” (a 4-page condensed manual). It contains the critical “Parameter Bank Lock” function – a feature that novice users accidentally enable, locking all settings. Press and hold the key for 3 seconds
Cut a square hole in your panel measuring exactly 45.0 mm x 45.0 mm (+0.6 mm tolerance).
Before wiring the unit, ensure all power sources are disconnected to prevent electrical shock or equipment damage. Its standout feature is the
By using the Yamatake SDC20, you acknowledge that you have read and understood the contents of this user manual.
If you do not have a physical copy, you can download the from:
Connect the load in series with the relay contacts.
Set the Upper and Lower display limits to match your process requirements. 5. Operating the SDC20 Once configured, daily operation is straightforward: