Sanken DK14256B Inverter Circuit Control Board

The Sanken DK14256B control board is a core control circuit board designed specifically for inverter/variable frequency drive systems, used for logic control, signal processing, backplane communication, and system monitoring. The board is installed inside the inverter cabinet through slots or backplane interfaces, and works in conjunction with the power module, drive control board, and I/O module. With Sanken's industrial electronics foundation, DK14256B has stable durability and electromagnetic interference resistance, making it suitable for heavy-duty industrial scenarios such as fan pump stations, compressors, machine tools, elevator drives, etc.

Q1: What is the primary function of the DK14256B control board?
A1: The DK14256B board serves as the logic/control board inside an inverter or variable-frequency drive system. It handles signal inputs from sensors, executes control logic for the drive system, communicates with the power stage, and monitors system status for fault detection.

Q2: What are common signs the board might be failing?
A2: Indications include drive faults referencing “control board failure”, absence of proper signal input/output, LEDs indicating fault status, communication loss with drive controller, or drive not responding to commands.

Q3: What power supply does this board need?
A3: The board requires logic power supply of approximately +5 V DC, and typically auxiliary supplies of +15 V DC or +24 V DC for signal interface. The board’s input current is estimated to be around 0.5 A.

Q4: What environmental conditions must be met for operation?
A4: The board is specified (by estimation) to operate at temperatures between 0 °C and +55 °C, store between -20 °C and +70 °C, and operate in 10 % to 90 % relative humidity (non-condensing). It also meets vibration and shock tolerance typical for industrial control boards.

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