PCD0
Technical data’s and circuit diagrams for the modular system
Page 34
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SAIA-Burgess Controls Ltd.
(HB_PCD0 26 766_E2.DOC)
26/766 E2
4.1.1
LED displays on the EC bus coupler
LED
Color/Status
Meaning
RUN
Green
The bus coupler processor is running.
Red/flashing
An error has occurred.
The number of flashing pulses is the flashing code of the
see page 166.
BF
Red
No bus connection (bus fail)
Field bus cable break or the master does not operate the bus (any more).
DIA
Red
Diagnosis message
The bus coupler has sent a PROFIBUS-DP diagnosis message to the master.
4.1.2
Dial for setting the PROFIBUS-DP slave address on the EC bus coupler
One-digit dial
Ten-digit dial
Slave addresses can be set from 0 to 99.
The selected address becomes active when the power supply of the
bus coupler is switched on.
4.1.3
PROFIBUS-DP Bus port on the EC bus coupler
1
SHLD
2
NC
3
B = RxD/TxD-P
4
CNTR-P
5
GND-EXT
6
+5V-EXT
7
NC
8
A = RxD/TxD-N
Subminiature, 9-
pin, female
connector
9
CNTR-N (GND-EXT)