Lika XAC80 PB, Руководство пользователя, Страница: 30 / 60

XAC80 Profibus-DP
®
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 address = 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 address = 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
NOTE
After having set the device address, please check the position of the bus
termination switch (see the “5.6 Bus termination resistance (Figure 2)” section
on page 31).
5.5 Baud rate
The baud rate is set by the Master via software at configuration of the node
(Slave).
The device supports the following baud rates (they are listed in the .GSD file
too):
9.6 kbit/s, 19.2 kbit/s, 93.75 kbit/s, 187.5 kbit/s, 500 kbit/s, 1.5 Mbit/s, 3 Mbit/s, 6
Mbit/s, 12 Mbit/s.
The following table shows the maximum transmission rates in relation to
permissible line length:
Baud rate [Kbit/s]
9.6 19.2 93.75 187.5 500 1,500 12,000
Max. cable length
1200 m
4000 ft
1200 m
4000 ft
1200 m
4000 ft
1000 m
3300 ft
400 m
1300 ft
200 m
660 ft
100 m
330 ft
MAN XAC80 PB E 1.0.odt 5 - Electrical connections 30 of 60