beautypg.com

Siemens SIMATIC NET PROFIBUS User Manual

Page 115

background image

Passive Components for RS-485 Networks

4-17

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

Note

If you connect to screw terminals, the stranded cores must be fitted with wire-end
ferrules (0.25 mm

2

complying with DIN 46228). Use only wire-end ferrules made of

materials with permanently stable contact properties, for example copper with a
tin-plated surface (not aluminum).
The bus connector 6ES7 972-0BA30-0XA0 cannot be connected to the stranded
cores.