ABB PCD232A101 3BHE022293R0101 DCS controller

For the approval in accordance with the standard UL 60950, consideration must be given to the conditions for use in an end-product (according to Underwriters Labaratories Inc. (UL)):  In order to protect the device from potential internet threats, it should be connected to Ethernet networks that are isolated from the internet or safety protected and isolated from the Corporate/Enterprise network by a firewall or router.

 Use shielded twisted pair cable (STP) for networking:  For device to device connection: crossover cable  For connecting to the hub/switch: 1:1 patch cable  Maximum cable length: 100 m.

Forces acting on the Ethernet interface Communication can be disturbed and the connection mechanics damaged if the Ethernet interface is exposed to severe vibration or the RJ45 plug connection is pulled.  Protect the RJ45 connection from severe vibration.  Protect the RJ45 connection from pulling on the socket.

Profibus topology 

 A bus segment can connect up to 32 bus stations. 

 Several bus segments can be linked via repeaters (bidirectional amplifiers). Refer to the documentation of the repeater manufacturer for further information.  Only use bus terminal connectors that are specified for use in the Profibus network. They hold both bus cables on a bus station and ensure a low impedance connection of the cable shield to the shield reference potential of the bus station. These bus terminal connectors contain the Profibus cable termination that can be switched on as required. 

 A bus segment must be provided with cable termination at both ends. The termination is passive and is fed from the bus station. It ensures a defined idle signal on the bus when no bus station is transmitting. These bus terminations should be implemented externally in the connector casing according to the Profibus standard (they can also be implemented with the bus terminating connector described above).

Operational malfunctions 

Use of unsuitable or improperly prepared cables, as well as incorrect wiring will mean that neither the values stated in the technical data nor the electromagnetic compatibility (EMC) can be ensured. 

 Only use cables prepared by specialists. 

 The cables used must be prepared according to the interface description in this document. 

 The wiring instructions for the relevant interface must be observed when wiring the device. 

 Any generally applicable regulations and standards must be fulfilled.

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