Description of the expansion card IFC PBDP
Beijer Electronics
15
4
Description of the expansion card
IFC PBDP
4.1
Components on the expansion card
1. Connector for the communication cable.
2. Bus termination. Set to
ON
for the first and last units in the network. The
first unit in the network often is the master unit in the PLC system.
3. The LEDs on the expansion card have the following functions:
1:
ERR
, red, indicates configuration or communication error. The LED is
red until the unit is configured, and then indicates time-out.
2:
PWR
, green, indicates that 5 V DC power id supplied.
3:
DIA
, green, indicates diagnostic error on the PROFIBUS network, not
used by the terminal.
4. Rotary switches for stating of the station number.
0
0
1
1
2
2
3
3
4
5
6
4
5
6
7
7
8
8
9
9
Term.
Stn.
no.
MSB
MSB
LSB
ON
1
1
2
3
4
1
2
3