ABB 3BHE031468R1447 Thermal resistance card

If they have the same DC bus voltage, it is possible to couple multiple servo drives of the ARS 2100 FS / SE series. Caution! If the DC buses are connected, the power supplies must be connected to the same mains phase. This means, if two ARS 2100 FS / SE are coupled in the DC bus, only the connection L1/N is possible for both devices. It is not allowed to connect the DC busses if the devices are connected to different mains phases. It is forbidden to supply device 1 via L1/N and device 2 via L2/N, if the DC buses are coupled. In case of a DC bus coupling with an ARS 2000 FS unit, the PFC in the ARS 2000 FS must be disabled.

DC supply 

 The direct DC supply is supported for a supply with voltages ≥ 60 VDC by the DC-bus connection instead of the connection to the mains, see Table 11. The digital motor temperature measurement system requires a DC-link voltage of 120 VDC minimum. Below this voltage, the system will always identify the digital motor temperature sensor as open. 3.2.3 Mains fuse A slow-blow (B16) single-phase automatic circuit breaker of 16 A has to be installed in the mains supply line. 3.3 Brake chopper A brake chopper with a brake resistor is integrated into the power output stage. If during the generator operation the permissible charging capacity of the DC bus is exceeded, the braking energy can be converted into heat by the internal brake resistor. The brake chopper is software-driven. The internal brake resistor is overload-protected by means of software and hardware.

If in a special application

 the power of the internal resistors should be insufficient, they can be cut off by removing the bridge between the pin BR-CH and BR-INT of the [X9] plug. Instead, an external brake resistor is inserted between the pins BR-CH and ZK+. This brake resistor must fulfil certain minimum specifications  The output is protected against short-circuiting in the brake resistor or its cable. Pin BR-CH lies on positive DC bus potential and is thus not protected against ground fault or shortcircuits against mains voltage or negative DC bus voltages. Simultaneous use of the internal and external brake resistors is not possible. The external resistors are not automatically overload-protected by the device

Application industry

The products can be used in the following industries: power plant, paper making, steel, mining, rubber, water supply, cement, chemical industry, glass, printing

Textile, machinery, plastics, coatings, medicine, hospitals, food, hotels, scientific research institutions

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