Switching Elements On The Printed Circuit Boards - Siemens SIPROTEC 7UM62 Manual

Multifunctional machine protection

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Table of Contents

Mounting and Commissioning

3.1 Mounting and Connections

3.1.2.3 Switching Elements on the Printed Circuit Boards

Processor Board C-CPU-2

The PCB layout of the processor board C-CPU-2 is illustrated in the following Figure. The set nominal voltage

of the integrated power supply is checked according to Table 3-1, the quiescent state of the life contact accord-

ing to Table 3-2, the selected operating voltages of binary inputs BI1 to BI5 according to Table 3-3 and the in-

tegrated interface RS232 / RS485 according to Tables 3-4 to 3-6. The location and ratings of the miniature fuse

(F1) and of the buffer battery (G1) are shown in the following Figure.

Processor board C–CPU with jumper settings required for the board configuration, of the battery

and miniature fuse

SIPROTEC, 7UM62, Manual

C53000-G1176-C149-7, Release date 03.2010