Switching Elements On Printed Circuit Boards - Siemens Siprotec 7UM62 Manual

Multifunction generator, motor and transformer protection relay

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Switching Elements on Printed Circuit Boards

Processor Printed

Circuit Board

7UM62 Manual

C53000-G1176-C149-3

The layout of the p.c.b for the C–CPU–2 processor module is shown in Figure 3-7.

Check the provided nominal voltage of the integrated power supply according to Table

3-1, the non-energized position of the live status contact (jumper X40 according to

Table 3-2), the selected pickup voltages of the binary inputs BI1 through BI5 according

to Table 3-3 and of the integrated RS232/RS485 interface according to Tables 3-4

through 3-6. The location and ratings of the miniature fuse (F1) and of the buffer

battery (G1) are shown in Figure 3-7.

Cable binder

Lithium battery 3 V/1 Ah,

Type CR 1/2 AA

C-CPU–2 Board Showing the Jumpers for the Power Supply, Binary Inputs BI1

To BI5 and the Battery and Miniature Fuse (Simplified)

3.1 Installation and Connections

60-250V DC/115 V AC