Technical data

Active components

4.1 Active components for RS485 networks

PROFIBUS Network Manual

70 System Manual, Edition 04/2009, C79000-G8976-C124-03

Galvanic isolation Yes, 500 V AC

Transmission spped (detected automatically by

repeater)

9.6 kbps, 19.2 kbps, 45.45 kbps, 93.75 kbps,

187.5 kbps, 500 kbps, 1.5 Mbps, 3 Mbps,

6 Mbps, 12 Mbps

Operating temperature 0 °C to 60 °C

Storage temperature 40 °C to 70 °C

Relative humidity (operation) 95% at 25 °C

Type of protection IP20

Dimensions W x H x D (mm) 45 x 128 x 67

Weight (including packaging) 350 g

Table 4- 3 Relationship between transmission rate and maximum segment length

Transmission rate Segment length

9.6 kbps 1000 m

19.2 kbps 1000 m

45.45 kbps 1000 m

93.75 kbps 1000 m

187.5 kbps 1000 m

500 kbps 400 m

1,500 kbps 200 m

3,000 kbps 100 m

6,000 kbps 100 m

12,000 kbps 100 m

Pin assignment of the D-sub connector (PG/OP socket)

Table 4- 4 Pin assignment of the 9-pin D-sub connector (PG/OP socket)

View Pin no. Signal name Description

1 - -

2 M24V 24 V ground

3 RxD/TxD-P Data line B

4 RTS Request To Send

5 M5V2 Data reference potential (station)

6 P5V2 Supply plus (station)

7 P24V 24 V

8 RxD/TxD-N Data line A

9 - -