Hi5 controllermaintenanceHi5 Controller Maintenance Manual5. Controller Options5.8. Expansion Public IO Board (BD583 464-point I/O)On this page5.8. Expansion Public IO Board (BD583 464-point I/O)5.8. Expansion Public IO Board (BD583 : 464-point I/O) 5.8.1. Outline5.8.2. Connector5.8.3. Setting Unit