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Siemens PPX:505–6860 RS-485/RF I/O Installation Instructions Manual page 6

Channel converter for the simatic 505 programmable controller system

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#8 copper
ground strap
NOTE: No remote bases can be connected on the RS-485 link between the 575 and the PPX:505–6860.
Figure 3 Upgrading an RF-Based 560/565/560T/565P System to a 575
6
R
R
C
C
P/S
560
565
C
C
1 2
3
575
P/S
575
B
A
Local I/O
5
5
0
0
5
5
P/S
6
6
8
8
6
6
0
0
4
VMEbus
VME Base
Bases must be within
three feet of each other and
connected by a #8 copper
ground strap.
Series 505 Base
Upgrade Path
Remote Series 500/505
Bases with RF RBCs

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