Hi5a controllermaintenanceHi5a-S/P/C/T/J Controller Maintenance Manual5. Controller Options5.6. LDIO Board (BD58A; For LCD)On this page5.6. LDIO Board (BD58A; For LCD)5.6. LDIO Board (BD58A; For LCD) 5.6.1. Outline5.6.2. Connector5.6.3. Setting Unit