Siemens SIMATIC NET PROFIBUS User Manual

Page of 490
Passive Components for RS-485 Networks
4-48
PROFIBUS Networks SIMATIC NET
6GK1970-5CA20-0AA1 Release 2 05/2000
4.7
Bus Terminals for RS-485 Networks
4.7.1
Versions
Overview
A bus terminal is used to attach a single PROFIBUS node with an RS-485
interface to the PROFIBUS LAN cable.
Bus terminals are available in the following versions:
Table 4-9
 Versions of the Bus Terminal
Bus terminal RS-485
Bus terminal 12 M
Order no.:
With 1.5 m tap line
6GK1 500-0AA10
With 1.5 m tap line and
additional PG interface
6GK1 500-0DA00
With 3 m tap line
6GK1 500-0AB00
Transmission rate
9.5 Kbps to 1.5 Mbps
9.5 Kbps to 12 Mbps
Power supply
5V / 10 mA
from the node interface
5V / 90 mA
from the node interface
Terminating resistor
combination
integrated, on/off
Integrated, can be activated
with disconnect function
Casing degree of protection
IP20
IP20