Compax3F device description C3F_T40
32 192-121102 N04 June 2008
3.2.11. Profibus connector X23 with Interface I20
Pin X23 Profibus (Sub D)
1 Reserved
2 Reserved
3 Data line B
4 RTS
5 GND
6 +5V
7 Reserved
8 Data line A
9 Reserved
The assignment corresponds to Profibus standard EN 50170.
Wiring (see page 451).
3.2.11.1 Adjusting the bus address
Address setting
Values:
1: 2
0
; 2: 2
1
; 3: 2
2
; ... 7: 2
6
; 8: reserved
Settings:
left: OFF
right: ON
(The address is set to 0 in the illustration to the left)
Range of values: 1 ...127
Address 0 is set internally to address 126.
3.2.11.2 Function of the Bus LEDs
Meaning of the LEDs (under X23)
Green LED (left) Red LED (right) Description
alternately flashing Field bus program missing
off flashing Device is not initialized
on flashing Bus operation mode (no DATA exchange)
on off Bus operation mode (DATA exchange)
on on Bus error
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