Technical data
Active components
4.1 Active components for RS485 networks
PROFIBUS Network Manual
82 System Manual, Edition 04/2009, C79000-G8976-C124-03
Design of the PROFIBUS terminator
Design of the PROFIBUS terminator No. Function
1 LED 24 V power supply
2 Connection for 24 V DC power supply
3 PROFIBUS connection
4 Shield clamp to ground the braid shield and for strain
relief of the bus cable
5 Grounding screw
PROFIBUS
TERMINATOR
6ES7 972−0DA00−0AA0
DC
24 V
L+ M PE A1 B1
SIEMENS
1
2
3
4
5
6
6 Cable clamp for strain relief of the power supply
cable
Technical specifications
Table 4- 6 Technical specifications of the PROFIBUS terminator
Power supply
S Rated voltage
S Ripple (static limit)
24 V DC
20.4 V DC to 28.8 V DC
Current consumption at rated voltage Max. 25 mA
Isolation yes, 600 V DC
Transmission speed 9.6 kbps to 12 Mbps
Type of protection IP20
Permissible ambient temperature 0° C to 60° C
Storage temperature -40 to +70 °C
Connectable cables; power supply
Flexible cables
with end sleeve
without end sleeve
Solid conductors
Screw mechanism;
0.25 mm
2
to 1.5 mm
2
0.14 mm
2
to 2.5 mm
2
0.14 mm
2
to 2.5 mm
2
Connectable cables; PROFIBUS Screw mechanism; all SIMATIC NET PROFIBUS cables










