PSI System Controls and Diagnostics
A500 User Manual
A500_UM_090115 Page 24 of 61
A500
+24V in
Network
Dev
Communication
loop
Dev
Direct data streams
Dev
Dev
Dev
Dev
Link to another
A500
Figure 10. Schematic example A500 installation showing fast data stream links and peer-to-
peer connection to another A500.
8.4 Network
connection
The simplest possible network is a direct connection to a PC Ethernet port. This arrangement is
used in the initial assignment of the IP network address.
If your A500 has the RCM3200 Ethernet processor, you must use an RJ-45 to RJ-45 crossover
cable (also called a CAT5e crossover cable). If your A500 has the A30 Ethernet processor, then
you can use a crossover or non-crossover cable, because the A30 supports Auto MDIX.
A500
+24V in
Crossover cable
Figure 11. Direct connection to a PC
Generally you will want to connect the A500 to a larger network. In this case you will require a
Ethernet hub or switch. The connection from the A500 to the hub or switch now requires a non-