janitza UMG511 Installation And Commissioning Manual page 33

Power quality analyser

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Installation

Connection of bus cables

The incoming bus cable is connected to

clamps 1A and 1B. The bus cable for the next

device in the line is connected to clamps 2A

and 2B. If no device follows in the line, the

bus cable must be terminated with resistors

(switch to ON).

In the ON switch position, the clamps 2A and

2B are switched off for the continuing bus ca-

ble.

Fig. profibus plug with terminal resistors.

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