MD500 User Manual 9. Peripheral and Options
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1
2
3
4
5
6
7
8
Data line B
RTS
GND
+5V
Data line A
Vacant
internally
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Terminal Wiring
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PROFIBUS
master
A B DG PE
MD38DP2
slave 1
A B DG PE
MD38DP2
slave 2
A B DG PE
Shield
MD38DP2
slave N
A B DG PE
It is necessary to connect a matching terminal resistor to the end of the PROFIBUS bus and set the DIP switch properly. The PEs of
the system must be reliably grounded.
The length of the communication cable between MD38DP2 and the PROFIBUS-DP master varies with different setting of the baud
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table describes the requirements on the baud rate and the communication cable lead length.
Baud Rate
(Kbps)
Max. Length of Lead A
(m)
Max. Length of Lead B
(m)
1200 1200
1200 1200
187.5 600 600
500 200 200
1500 100 70
3000 100
Not supported6000 100
12000 100
If you purchase the MD38DP2 card, the related user manual will be delivered together with the product. See the user manual for
details.
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