12 About the manualCompatibilityThe FSCA-01 RS-485 adapter module is compatible with thefollowing drives:• ACS355• ACSM1• ACH580• ACQ580• ACS580• ACS530• ACS850• ACS860• ACQ810• ACS880.The FSCA-01 RS-485 adapter module supports the Modbus/RTUcommunication protocol. Support for the DCP protocol to be usedwith ACSM1 Lift control program is pending.The FSCA-01 RS-485 adapter module is compatible with allModbus/RTU masters that support Modbus Application ProtocolSpecification v1.1b and MODBUS over Serial Line Specificationand Implementation Guide v1.02.Note: The adapter module is compatible with more drives thatmay not be listed here. For details of compatibility, check thedrive’s firmware manual.Target audienceThis manual is intended for people who plan the installation,install, start up, use and service the adapter module. Before youdo work on the module, read this manual and the applicable drivemanual that contains the hardware and safety instructions for theproduct in question.You are expected to know the fundamentals of electricity, wiring,electrical components and electrical schematic symbols.The manual is written for readers worldwide. Both SI and imperialunits are shown.