Rockwell-automation 1794-APBDPV1 FLEX I/O PROFIBUS Adapter User Manual Manuel d'utilisateur Page 87

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Publication 1794-UM064B-EN-P - May 2014
Connect Your Adapter to the PROFIBUS DP Network 75
2. Connect the cable shield to pin 1.
The shield is connected to earth ground.
3. Connect the data signal pins on both ends (signal + pin 3 and
signal - pin 8).
4. Insert the wired connector into the mating connector on the PROFIBUS
adapter as shown.
D-Shell Pin Assignment
PIN RS-485 Reference Signal Description
1 Shield Shield, RC to earth ground
2 RP Not used
3 B/B’ RXD/TXD-P Receive/transmit data - P
4 CTNR-P Not used
5 C/C’ DGND Data ground
6 VP Voltage plus (+5V)
7 PR Not used
8 A/A RXD/TXD-N Receive/transmit data - N
9 CTNR-N Not used
Metal shell Earth ground
1
.
.
Data ground
Shield
Pin #1
5
RCV/ Xmit data +
9
6
.
.
DROP CABLE
PROFIBUS
ADAPTER
Signal + Pin #3
Pin #5
+5V Pin #6
Signal - Pin #8
Earth ground
RCV/ Xmit data -
.
*
Pins #5 and #6 can be used to supply an external PROFIBUS terminator.
*
44558
G
E
24V
COM
PROFIBUS connector
D
F
44559
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