ATEQ F580 - Page 27

Chapter 1 – Installation of the instrument
UM-18400E-U ATEQ F580 User manual Page 17/168
4.3.7. Profibus fieldbus network
4.3.7. 1) J3 Connector
1
5
9
6
SubD 9 pins female base
Pin 1 Earth Pin 6 VP (Supply)
Pin 2 Not use Pin 7 Not use
Pin 3 Data A Pin 8 Data B
Pin 4 CNTR-A Pin 9 Not use
Pin 5 Digital ground
4.3.7. 2) Profibus wiring
Profibus cable
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
390 Ω
390 Ω
110 Ω
390 Ω
110 Ω
390 Ω
4.3.7. 3) Network wiring drawing
First element
Last element
VP
6
3
8
5
390
220
390
DGND
3 388
390
DGND
390
220
8
3
6
5
VP
Data A
B
A
B
A
Data B Data B
Data A
When the instrument is considered as the first or the last element of the network, it
must have terminations resistors in the cable connector. The cable supplied by ATEQ
has the resistors on each connector and can be used on a configuration with only 2
instruments: a master and a slave.