Hi5a controllermaintenanceHi5a-S/P/C/T/J Controller Maintenance Manual4. Basic Components of Controller4.3. The Function of Each Component4.3.7. Electrical ModuleOn this page4.3.7. Electrical Module4.3.7. Electrical Module 4.3.7.1. PSM and electric board (BD5C2)4.3.7.2. BD5C2 Connector4.3.7.3. PDM and Electrical Board (BD5C0)4.3.7.4. BD5C0 Connector