Product Description

The S7720A-NAF2-S3 is a digital servo amplifier from Kollmorgen that is operated as an integral component of an electrical plant or machine. The unit has excellent autotuning and cogging suppression qualities. The device features the fastest feedback evaluation. Only copper conductors must be used for wiring the product. The periodic overvoltage between the L1, L2, and L3 phases and the unit’s housing should not exceed 1000 V crest. Shocks must be avoided during the transit of the product. Care should be taken to ensure that the device does not come into contact with highly insulating materials. The unit can be stored for a year without any restrictions.

The S700 digital servo amplifier does not need any maintenance. It should be noted that opening the amplifier invalidates the warranty. The casing of the device can be cleaned using a cleaning agent like isopropanol. The product is listed under the UL file number E217428. This device can cause high-frequency interference in non-industrial environments. In such cases, measures for interference suppression such as additional external EMC filters may be required. The amplifier is fully programmable through the RS232 interface. The ambient transport temperature of the product is -25°C to 70°C.

The rated input power of the S700 digital servo amplifier for continuous operation is 50 kVA. The device has a rated DC bus link voltage of 290 to 675 V. The depth of the unit, without connectors, is 244 mm, and the depth with connectors is 285 mm. Only properly qualified personnel should perform tasks like transport, setup, assembly, and maintenance. These personnel must observe the IEC 60364 and IEC 60664 specifications and the national accident prevention regulations.