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Connection to the PROFIBUS-DP Network
Cable Connection
IM 04L41B01-19E
Connect the PROFIBUS-DP cable to a PROFIBUS-DP connector provided on the back
of the DX.
(Rear panel)
Connector
D-sub 9-pin (female) connector. Each pin corresponds to the following signals.
Pin
Signal name
3
RxD/TxD - P
4
CNTR - P
5
DGND
6
VP + 5 V
8
RxD/TxD - N
Pins 1, 2, 7, and 9 are not used.
Cable
A dedicated two-wire cable is used (two wires for the signal). This is not supplied with the
DX. To be prepared separately.
Transmission Rate/Transmission Distance
The transmission rate varies depending on the transmission distance within the following
range.
9.6 Kbps/1200 m to 12 Mbps/100 m
Terminator
The DX has no built-in terminator circuit. If a terminator is needed in terms of wiring, use
a connector with a terminator.
5
4
3
2
1
9
8
7
6
Explanation
Positive data receive/transmit.
RTS (for use by repeater).
Ground.
+ 5 V.
Negative data receive/transmit.
7
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