Eltek Valere UNV-F 2.5 Manual de usuario descargar pdf (Pagina 13)

100

DC Controller

UPC4 Master

User Manual

Page 13/100

3.2.2.4 Fieldbus connectors

The UPC4 Master provides two different fieldbus connectors:

1.) Fieldbus connector RS485

The female connector RS485 (see Figure 3.) is designed to connect Modbus (Profibus is not

available at version 2.12).

Figure 4. Fieldbus female connector RS485

Pin assignme

nt of the RS485 connector:

Connector Pin Function

RS485

1 SHIELD

2 Not used

3 LINE B

4 RTS

5 GND

6 +5V

7 Not used

8 Line A

9 Not used

10 & 11 SHIELD

2.) Fieldbus connector MSTBO 2.5 (X8)

In addition the fieldbus can be also connected to the MSTBO 2.5 connector (X8) as show

n in Figure 5.

Pin assignment of the MSTB connector:

Connector Pin Function

X8 (Modbus)

1 Corresponds to RS485 SHIELD

2 Corresponds to RS485 LINE A

3 Corresponds to RS485 LINE B

4 Corresponds to RS485 GND

3.2.2.5 Hex switch 1 & Hex switch 2

If the field bus address is set to “0“ by software, the field bus address (that is a hexadecimal number)

must be set using hex switch 1 & 2. Switch 2 refers to the more significant nibble, whereas switch 1

refers to the lower significant nibble.

EXAMPLE: A

ddress “18” = 0x1 2

Hexswitch 1 = 2

Hexswitch 2 = 1

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 99 100

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Eltek Valere UNV-F 2.5 Manual de usuario Pagina 13

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