Sdc20 User Manual Link: Yamatake
supports serial communication via interfaces. SDC20/21 User Manual Overview | PDF | Power Supply - Scribd
If you need help configuring a specific parameter on your SDC20, tell me your and whether you are using it for heating or cooling , and I can provide the exact programming steps.
| Document Title | Manual Number | Target Audience | | :--- | :--- | :--- | | SDC20/21 Digital Indicating Controller User’s Manual | CP‑UM‑1470E | Operators, hardware designers, maintenance personnel | | SLP‑C20/C30 Smart Loader Package User’s Manual | CP‑UM‑5161E | Users of the SLP configuration software | | CPL Communications for SDC20/21 Manual | CP‑UM‑1572E | Engineers setting up serial communication |
| Possible Cause | Remedy | | :--- | :--- | | Wiring to incorrect terminals | Verify connections against the pinout table | | Loose terminal screws | Tighten all terminal screws securely | | Incorrect station address | Check address setting ( C31 ) and ensure no duplicates on the network | | Mismatched baud rate or data format | Compare settings on both SDC20 and host device; correct any discrepancies | | Missing or incorrect terminating resistor | Install a 120 Ω terminating resistor at each end of the RS‑485 bus | yamatake sdc20 user manual
Verify output type and terminal connections.
Connect the 'A' wire to Terminal 10 , the first 'B' wire to Terminal 11 , and the second 'B' wire to Terminal 12 .
Avoid mounting in locations with high vibration, direct sunlight, or extreme temperature fluctuations. 4. Wiring and Terminal Connections supports serial communication via interfaces
This guide is for informational purposes. Always refer to the original manufacturer’s documentation for specific safety and installation procedures.
: Switches through the functional parameter screens within a specific bank.
I can provide the exact and parameter codes for your setup. Share public link Connect the 'A' wire to Terminal 10 ,
Wire directly to the input side of the Solid State Relay. Observe correct positive (+) and negative (-) polarity. 4. Parameter Setup and Programming
Connect the appropriate voltage (100 ÷ 240 VAC or 24 VDC/AC) to the designated terminals.