ABB 3BHE004573R0143 Redundant channel module

Protection against electrical shock by means of protective extra-low voltage (PELV) All connections and terminals with voltages of up to 50 Volts at the servo drive are protective extra-low voltage, which are designed safe from contact in correspondence with the following standards:  International: IEC 60364-4-41  European countries within the EU: EN 61800-5-1 Only devices and electrical components and wires with a protective extra low voltage (PELV) may be connected to connectors and terminals with voltages between 0 to 50 Volts. Only connect voltages and circuits with protection against dangerous voltages. Such protection may be achieved by means of isolation transformers, safe optocouplers or battery operation.

Protection against dangerous movements

 Dangerous movements can be caused by faulty control of connected motors, for different reasons:  Improper or faulty wiring or cabling  Error in handling of components  Error in sensor or transducer  Defective or non-EMC-compliant components  Software error in superordinated control system These errors can occur directly after switching on the device or after an indeterminate time of operation. The monitors in the drive components for the most part rule out malfunctions in the connected drives. In view of personal protection, particularly the danger of personal injury and/or property damage, this may not be relied on exclusively. Until the built-in monitors come into effect, faulty drive movements must be taken into account; their magnitude depends on the type of control and on the operating state.

For the reasons mentioned above

 personal protection must be ensured by means of monitoring or superordinated measures on the device. These are installed in accordance with the specific data of the system and a danger and error analysis by the manufacturer. The safety regulations applying to the system are also taken into consideration. Random movements or other malfunctions may be caused by switching the safety installations off, by bypassing them or by not activating them.

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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