This soft starter contains high voltage which can cause electric shock resulting in personal injury or loss of life. Induction motor is the most frequently used motor for industrial as well as domestic applications.
Benshaw Motor Starter
Benshaw soft starter wiring diagram. Start up services benshaw technical field support personnel are available to do startup and conduct on site training on the starter operations and. There can be two types of control using soft starter. If a mains or isolation contactor is used it is best controlled by the soft starter line relay. Safety precautions electric shock prevention while power is on or soft starter is running do not open the front cover. You may get an electrical shock. Closed loop motor current control power.
The cost of this service is not included in the price of the benshaw soft starter and will be quoted specifically to each customers needs. Soft starters are starting devices used for the acceleration deceleration and protection of the three phase electrical induction motors through the controlling applied voltage to 3 phase motor. The standard connection of an electronic soft starter is 3 wire. Benshaw bipc 300000 03 micro communications card rs485 rated 20 mhz for replacement in benshaw medium voltage starters. An alternative connection is 6 wire or inside delta connection. Security starter relay controlled car starter wiring diagram.
In low voltage systems with an inlineisolation contactor. Enclosed product has wiring diagrams of associated control devices found within the enclosure. It uses two contactors two auxiliary contact blocks an overload relay a mechanical interlock two normally open start pushbuttons a normally closed stop pushbutton and a power supply with a fuse. Page 196 runtest isolation switches test power plugs and wiring diagrams are available from benshaw. Full voltage reversing 3 phase motors. Reduced voltage starting and soft stopping.
To ensure that the starter can stall automatically and the starter circuit not connected after the engine starts some cars adopt the compound relay circuit with safety driving protection. Profibus dp connector pinout pin profibus dp housing shield protective earth 1 not connected 2 not connected 3 b line rxtxd 4 rts request to send 5 gnd bus. A start voltage is applied with time irrespective of the current drawn or the speed of the motorfor each phase two scrs are connected back to back and the scrs are conducted initially at a delay of 180 degrees during the respective half wave cycles for which each scr conducts. Soft starter main circuit wiring the soft starter is installed between the mains and cable to the motor. Mostly industrial motors are single phase or three phase induction motor depends upon supply fed to it. The security starter relay controlled car starter wiring diagram is as shown in the.
Modbus rtu starter profibus dp network table 2. The starter connector is used to connect the mxpb3 to a benshaw starter. This diagram is for 3 phase reversing motor control with 24 vdc control voltage. Refer to the example wiring diagram in this section. Be sure all ac power is removed from the soft starter before servicing. Do not connect or disconnect the wires.
Gallery of Benshaw Soft Starter Wiring Diagram
