
Rexroth SYNAX 200 Set-Up interfaces (SynTop, DOLFI) 8-5
DOK-SYNAX*-SY*-12VRS**-PR01-EN-P
RS485 connection of the PPCs
YG000062V02_EN.FH7
0 V
+ 5 V
GND
RS485-
RS485+
X10 or X16
1
4
5
7
8
15
12
10
9
Rexroth
H1
PROG
U2
X10
X1
Q1
Q2
24V
e
0V
e
Bb
Bb
24V
0V
S1
RX
TX
U1
S2
RESET
H2
DIST
COM
X16
U3 U4
8888
I1
I3
I2
PPC-R22.1
Fig. 8-8: RS485 connection of the PPC
RS485 connection of the interface module
On RS485, the D(A) and D(B) are twisted in pairs and connected. GND is
also connected. These can be connected to the interface module using
either screw-in clamps or male D-subminiature 9-pin connectors (bushing
is on the module).
Connector: D(A) data negative pin 8, D(B) data positive pin 3, GND pin2.
8
3
9-pin, pins
D(A)
D(B)
RS485 cable between converter and PPC
YF000213V01_EN.FH7
2GND
Converter: D-subminiature
5
4
D(A)
D(B)
15-pin, pins
PPC: D-subminiature
7GND
5D(A)
4D(B)
7GND
D(A) and D(B)
twisted in pairs
D-sub15 bushing
to the next PPC
connector
housing
connetor
housing
RS485-
RS485+
PPC 1
PPC 2
Fig. 8-9: RS485 cable between converter and PPC
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