Siemens SIMATIC NET PROFIBUS User Manual

Passive Components for RS-485 Networks
4-42
PROFIBUS Networks SIMATIC NET
6GK1970-5CA20-0AA1 Release 2 05/2000
4.4.3 Connecting 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
9-pin sub-D male
connector for
connection to the
station
Housing screws
PG socket (only with
6ES7
972-0BB40-0XA0)
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
A1 B1
7.5
516
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.

Siemens SIMATIC NET PROFIBUS Specifications

General

Brand	Siemens
Model	SIMATIC NET PROFIBUS
Category	Network Hardware
Language	English