Technical data

Bus connectors and preassembled cables
6.7 Bus terminals for RS485 networks
PROFIBUS Network Manual
System Manual, Edition 04/2009, C79000-G8976-C124-03
181
Note
The DIN rail must have a good conducting surface (for example tin plated).
Wall mounting
Note
If the bus terminal is mounted on a wall, at least one PE terminal must be connected to local
ground. This connection should be over the shortest possible distance.
6.7.6 Technical data of the RS485 bus terminal
Table 6- 13 Technical data of the RS485 bus terminal
Connector to end device 9pin D-sub male connector
Transmission speed 9.6 to 1,500 kbps
PG interface (optional) 9-pin D-sub socket
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 to 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 spur line)
RS485, RS485/PG approx. 310 g
6.7.7 Technical data of the 12M bus terminal
Table 6- 14 Technical data of the 12M bus terminal
Connector to end device 9pin D-sub male connector
Transmission speed 9.6 kbps - 12 Mbps
Power supply DC 5 V + 5%
safety extralow voltage (SELV) complying with
60950
Current input 90 mA at 5 V