EN / ACS800-31/U31 Hardware Manual - Simark Controls

71Installation of AGPS board (Prevention ofUnexpected Start, +Q950)What this chapter containsThis chapter describes the electrical installation of the optional Prevention ofUnexpected Start function (+Q950) of the drive.Prevention of Unexpected Start (+Q950)The optional Prevention of Unexpected Start function includes an AGPS board whichis connected to the drive and an external power supply. See also chapter Planningthe electrical installation, page 50.Installation of the AGPS boardWARNING! Dangerous voltages can be present on the AGPS board even when the115...230 V supply is switched off. Follow the Safety instructions on the first pages ofthis manual and the instruction in this chapter when working on the AGPS board.Make sure that the drive is disconnected from the mains (input power) and the115...230 V source for the AGPS board is switched off during installation andmaintenance. If the drive is already connected to the mains, wait for 5 min afterdisconnecting mains power.See• page 24 for location of terminal block X41 of the drive• page 73 for the circuit diagram• page 74 for the dimensions of the AGPS board• section AGPS-11C in chapter Technical data for the technical data of the board.Note: Maximum cable length between AGPS terminal block X2 and the driveterminal block is restricted to 10 metres.Installation of AGPS board (Prevention of Unexpected Start, +Q950)