3170-PDP Installation Guide
3
Pin # RS-485 Reference
Signal
Description
1
Not used
2
RP
Not used
3
B/B'
RXD/TXD-P
Receive/transmit data - P
4
CTNR-P
Control signal for repcaters
5
C/C'
DGND
Data ground
6
VP
Voltage plus (+5V)
7
RP
not used
8
A/A'
RXD/TXD-N
Receive/transmit data - N
9
CTNR-N
not used
Metal Shell
Earth Ground
1. Connect the cable shield to the housing of the DSUB. The shield is connected to earth ground.
2. Connect the data signal pins on both ends ( Pin #3 and Signal - Pin#8).
3. Insert the wired connector into the mating connector on the PROFIBUS adapter.
4. C24V dc input to the left side of the lower connector E.
5. Connect 24V common to the left side of the upper connector D.
6. Connections G and F are used to pass 24V dc power (G) and 24V common (F) to the next module in the series (if required).
Data Ground
RTS Pin#4
+5V Pin#6
Pin#5
Earth Ground
Signal – Pin#3
Pin#3
Shield
Housing
DROP CABLE
RCV/ Xmit Data -
RCV/ Xmit Data +
Profibus Adapter
Wiring
Profibus Connector
G
F
E
D
