10 Introduction to the manualTerms and abbreviationsTerm/abbreviation ExplanationACX-AP-x Assistant control panel, advanced operator keypad for communicationwith the drive.The dedicated assistant control panel for the ACQ580 is ACH-AP-H(Hand-Off-Auto panel).The ACQ580 offers limited support of ACS-AP-I and ACS-AP-W. Youcan use parameters and Primary settings menus with ACS-AP-I andparameters and I/O with ACS-AP-W.AI Analog input; interface for analog input signalsAO Analog output; interface for analog output signalsControl board Circuit board in which the control program runs.CDPI-01 Communication adapter moduleCCA-01 Configuration adapterCHDI-01 Optional 115/230 V digital input extension moduleCMOD-01 Optional multifunction extension module (external 24 V AC/DC anddigital I/O extension)CMOD-02 Optional multifunction extension module (external 24 V AC/DC andisolated PTC interface)CRC Cyclic redundancy check. The IPC checks the parameter group validityin terms of CRC.DC link DC circuit between rectifier and inverterDC link capacitors Energy storage which stabilizes the intermediate circuit DC voltageDDCS Distributed drives communication system.DI Digital input; interface for digital input signalsDO Digital output; interface for digital output signalsDPMP-01 Mounting platform for ACX-AP control panel (flange mounting)DPMP-02/03 Mounting platform for ACX-AP control panel (surface mounting)Drive Frequency converter for controlling AC motorsEFB Embedded fieldbusFBA Fieldbus adapterFCAN-01 Optional CANopen adapter moduleFDNA-01 Optional DeviceNet adapter moduleFENA-01/-11/-21 Optional Ethernet adapter module for EtherNet/IP, Modbus TCP andPROFINET IO protocolsFLON-01 L ON WORKS ® adapter moduleFPBA-01 Optional PROFIBUS DP adapter moduleFrame (size) Refers to drive physical size, for example R0 and R1. The typedesignation label attached to the drive shows the frame of the drive, seechapter Operation principle and hardware description, section Typedesignation label in the Hardware manual of the drive.