Product Description

The Kollmorgen S7720A-SEF2-S3 is a digital servo amplifier in the S700 series that is designed to be operated with a suitable servomotor in an electrical plant. The device has a rated current of 72 Arms and a rated voltage of 208 to 480 V. There are three slots on the servo amplifier. The first slot is equipped with the Sercos II expansion card. The bus system of this card has a ring topology, and it incorporates fiber optical cables. The second slot has the fan controller. The in-built fan of the unit has a protective grill, which can be cleaned with a dry brush. The third slot of the amplifier has the safety card S1-2, SIL 3. The unit must always be mounted on a conductive surface.

The S700 digital servo amplifier can be mounted in a vertical position. The device must be mounted and operated within a closed control cabinet. Adequate flow of air inside the cabinet should be ensured by the user to avoid overheating of the amplifier. The ambient temperature at which the device can be operated is between 0°C and 40°C under rated conditions. The leakage current of the product is over 3.5 mA. The device weighs 13 kg and is 190 mm wide. Only trained and well-qualified personnel should handle the setup, operation, maintenance, and transport of the unit.

The S700 digital servo amplifier has an Emergency Stop function that is defined by IEC 60204 specifications. The device also has an Emergency Off function that is used to turn off the machine’s electrical power supply. This protects users from risks from electrical energy, including electrical impact. The functional aspects for Emergency Off are mentioned in IEC 60364-5-53 specifications.