
Rexroth SYNAX 200 Fibre-optics cable connections 7-13
DOK-SYNAX*-SY*-12VRS**-PR01-EN-P
Example 3: PPC link double ring
PPC-R +
DAQ
SYNAX ring 1
SYNAX ring 2
SYNAX ring 3
PPC-R +
DAQ
PPC-R +
DAQ
secondary
ring
primary ring
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
DAQ
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
DAQ
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
DAQ
drive
1
drive
2
...
drive
k
drive
1
drive
2
...
drive
m
drive
1
drive
2
...
drive
n
YF000035V02_EN.FH7
Fig. 7-22: PPC link with double ring
The primary ring is generally used for communication. The secondary ring
only transmits diagnostic signals.
Note: The secondary ring must be connected - as shown - in a
counter direction.
X53 RX
X70 TX
X52 TX
X71 RX
DAQ03/DAQ04
DAQ03DAQ04 DAQ03/DAQ04
X52 TX
X53 RX
X52 TX
X53 RX
X70 TX
X71
RX
X70 TX
X71 RX
YF000135V02_EN.FH7
secondary ring
primary ring
Fig. 7-23: Fibre-optics cable connection in a double ring
Primary ring, secondary ring
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