
Active Components for RS-485 Networks
5-4
PROFIBUS Networks SIMATIC NET
6GK1970-5CA20-0AA1 Release 2 05/2000
Technical Specifications
Table 5-2 lists the technical data of the RS-485 repeater:
Table 5-2
Technical Data of the RS-485 Repeater
Technical Specifications
Power supply
S
Rated voltage
24 V DC
S
Ripple (static limit)
20.4 V DC to 28.8 V DC
Power consumption at rated voltage
S
Without load on the PG/OP connector
200 mA
S
Load on the PG/OP connector (5 V/90 mA)
230 mA
S
Load on the PG/OP connector (24 V/100 mA)
300 mA
Electrical isolation
yes, 500 V AC
Transmission rate (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
Degree of protection
IP20
Dimensions W
H
D (in mm)
45
128
67
Weight (including packing)
350 g
Pinout of the Sub D Connector (PG/OP Connector)
The 9-pin sub D connector has the following pinout:
Table 5-3
Pin Assignment of the 9-Pin Sub D Connector PG/OP Connector
Layout
Pin no.
Signal name
Meaning
1
–
–
2
M24V
Chassis 24 V
5
3
RxD/TxD-P
Data line B
9
4
4
RTS
Request To Send
3
8
5
M5V2
Data reference potential (from station)
2
7
6
P5V2
Power supply plus (from station)
2
1
6
7
P24V
24 V
1
8
RxD/TxD-N
Data line A
9
–
–
Summary of Contents for SIMATIC NET PROFIBUS
Page 10: ...Contents viii PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 ...
Page 11: ...PROFIBUS NETWORKS 1 ...
Page 26: ...PROFIBUS NETWORKS 1 16 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 ...
Page 241: ...A 1 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 Testing PROFIBUS A ...
Page 254: ...Testing PROFIBUS A 14 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 ...
Page 288: ...Installing LAN Cables C 26 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 ...
Page 325: ...F 1 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 Dimension Drawings F ...
Page 338: ...Dimension Drawings F 14 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 ...
Page 396: ...Infrared Link Modul ILM 6ZB530 3AC30 0BA1 54 Copyright by Siemens ...
Page 434: ......
Page 438: ...Contents ii PROFIBUS Optical Bus Terminal OBT C79000 G8976 C122 02 Contents ...
Page 450: ...Network Topology 4 4 PROFIBUS Optical Bus Terminal OBT C79000 G8976 C122 02 ...
Page 458: ...Installation and Startup 5 8 PROFIBUS Optical Bus Terminal OBT C79000 G8976 C122 02 ...
Page 460: ...Troubleshooting 6 2 PROFIBUS Optical Bus Terminal OBT C79000 G8976 C122 02 ...
Page 464: ...Technical Specifications 7 4 PROFIBUS Optical Bus Terminal OBT C79000 G8976 C122 02 ...
Page 468: ...References 9 2 PROFIBUS Optical Bus Terminal OBT C79000 G8976 C122 02 ...
Page 470: ...Abbreviations 10 2 PROFIBUS Optical Bus Terminal OBT C79000 G8976 C122 02 ...
Page 478: ...References I 4 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 ...
Page 488: ...Glossary Glossary 8 PROFIBUS Networks SIMATIC NET 6GK1970 5CA20 0AA1 Release 2 05 2000 ...