AC500-eCo V3 option boards
• Up to three option board slots for extension according to CPU type
• All option board modules can be used on all option board slots of a CPU
• Up to three RS232 or RS485 serial interfaces using option boards
• Four different option boards for analog channels extension / Three different option boards for digital channels extension
• KNX push button address switch
• All the option boards are delivered with spring connector terminal block.