XAC77 Profibus-DP
®
4.6 Node number: DIP A (Figure 1)
WARNING
Power supply must be turned off before performing this operation!
The node number must be set via hardware using DIP A dip-switches.
Allowed addresses are from 0 to 125. The default value is 1.
DIP A:
Turn the power supply off and set the node number in binary value; consider
that: ON=1, OFF=0
bit
1
LSB
2
3
4
5
6
7
MSB
8
not
used
2
0
2
1
2
2
2
3
2
4
2
5
2
6
Example
Set node number = 25:
25
10
= 0001 1001
2
(binary value)
bit
1
2
3
4
5
6
7
8
2
0
2
1
2
2
2
3
2
4
2
5
2
6
ON OFF OFF ON ON OFF OFF OFF
Set node number = 55:
55
10
= 0011 0111
2
(binary value)
bit
1
2
3
4
5
6
7
8
2
0
2
1
2
2
2
3
2
4
2
5
2
6
ON ON ON OFF ON ON OFF OFF
MAN XAC77 PX I_E 1.0.odt
34
Electrical connections
