Siemens SIMATIC NET PROFIBUS manual Connecting the LAN Cable to Bus Connector 6ES7 972-0B.40

Passive Components for RS-485 Networks

4.4.3Connecting the LAN Cable to Bus Connector (6ES7 972-0B.40)

Appearance (6ES7 972-0B.40 ...)

Figure 4-21 shows the bus connector with order number 6ES7 972-0B.40 ...

Screws for mounting on the station

PG socket (only with 6ES7

972-0BB40-0XA0)

9-pin sub-D male connector for connection to the station

Housing screws

Figure 4-21 Bus Connector (order number 6ES7 972-0B.40 ...)

Connecting Up the LAN Cable

Connect up the LAN cable to the bus connector with order number 6ES7 972-0B.40 ... as follows:

1.Strip the LAN cable as shown in Figure 4-22 using the FastConnect stripping tool (sizes and lengths are shown in the table on the rear of the tool).

6XV1 830-0EH10

7.5

16 5 A1 B1

Figure 4-22 Cable Stripped for Connection to Bus Connector (6ES7 972-0B.40 ...)

2.Open the casing of the bus connector by undoing the screws and removing the cover.

3.Insert the green and red cores in the screw terminal as shown in Figure 4-22.

Make sure that you always connect the same cores to the same terminal A or B (for example terminal A is always connected to green and terminal B always to red).

4.Press the cable sheath between the two clips. This secures the cable.

4-42	PROFIBUS Networks SIMATIC NET
	6GK1970-5CA20-0AA1 Release 2 05/2000