Siemens SIMATIC NET PROFIBUS User Manual

Page of 490
Passive Components for RS-485 Networks
4-60
PROFIBUS Networks SIMATIC NET
6GK1970-5CA20-0AA1 Release 2 05/2000
4.7.6
Technical Data of the RS-485 Bus Terminal
Technical Data of the RS-485 Bus Terminal
Connector to DTE
9-pin sub-D male connector
Transmission rate
9.6 to 1.500 Kbps
PG interface (optional)
9-pin sub-D female connector
Power supply range
4.75 to 5.25 V DC
Current consumption:
5 mA
Environmental conditions:
Operating temperature
0 to 55  
°
C
Storage/transport temperature
-25 to 70  
°
C
Relative humidity
F complying with DIN 40040 15% to 95% 
at 25 
°
C no condensation
Construction
Dimensions (W x H x D) in mm
RS-485
50 x 135 x 47
RS-485/PG
50 x 135 x 52
Weight
(incl. 1.5 m connecting cable)
RS-485, RS-485/PG approx. 310 g