Yamatake Sdc20 User Manual !!hot!! Jun 2026

While you should always verify your specific model number configuration suffix, standard Yamatake SDC20 rear terminal assignments follow this typical architecture:

The SDC20 is a high-performance controller designed for DIN-sized panels. Key features typically covered in the manual include:

Before using the SDC20, please read and understand the following safety precautions: yamatake sdc20 user manual

The PV display will flash if a sensor break or input error occurs – immediately check Chapter 8.

| Terminal | Function | | :--- | :--- | | 1, 2 | Power supply (AC or DC) | | 3, 4, 5 | Sensor input (thermocouple/RTD/DC) | | 6, 7 | Control output (relay/voltage/current) | | 8, 9 | Alarm output (optional) | | 10, 11, 12 | RS‑485 communication (＋, －, SG) | While you should always verify your specific model

Relay, voltage pulse (for SSR drive), or current (4-20mA).

The SDC20 separates parameters into three functional layers to prevent accidental changes to critical hardware setups during routine operations. Mode Bank ( ModE ) The SDC20 separates parameters into three functional layers

A: Yes. Set oH (Output 1 action) to 0 (Reverse action for heating) and oC (Output 2 action) to 1 (Direct action for cooling). Or leave output 2 unused.