6 Parameterization6.1 Operating principlesDS7 Soft starter 09/16 MN03901001Z-EN www.eaton.com 1176 Parameterization6.1 Operating principlesThe soft starter is controlled as follows:• Via control signal terminals in the case of DS7-340… and DS7-342…soft starters• Via SmartWire-DT in the case of DS7-34D…-D soft startersBy configuring the appropriate parameters (in DS7-34D…-D units) oradjusting the potentiometers on the front, DS7 soft starters can be adjustedas necessary for the application at hand. All setting values are stored inparameters.6.2 Default settings of the basic deviceThe soft starters of the DS7 series are factory set so that no settings arerequired for standard applications.The most important default settings are listed below.Table 23: DS7 soft starter default settings→ The connection examples shown in the following chapter arebased on the standard versions of soft starter DS7.Additional functions of the communications-capable versions ofthe DS7 soft starters (DS7-34D…-D) are described in→ chapter 8, “SmartWire-DT”.Terminal, function Default settings+A1 Start/stopEN (only sizes 3 and 4) Controller enableRamp times t-Start: ~5 st-Stop: 0 sStart voltage ∼30 %Relay K1 TOR (Top-of-Ramp)Relay K2 (for devices from 16 A) RUN = operating signal