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8. Connecting to the RTD
8.2 easyE4 connection with the RTD through an Ethernet switch
8.2 easyE4 connection with the RTD through an Ethernet switch
If the Ethernet connection is routed out of the building at one point, a network isol-
ator (switch, for example) must be used without fail.
If you want to connect more than one easyE4 base device or more than one network
station to the RTD, a properly sized Ethernet switch must be placed in between.
Prerequisites
l
Standard Ethernet switch with at least two ports (not
included)
l
Two standard RJ45 Ethernet cables (not included)
l
Existing separate power supply for:
l
easyE4
l
RTD
l
Ethernet switch
RN
DC
LA
X1
FD
LA
X2
FD
LA
X3
FD
LA
DEL
ALT
ESC
OK
Fig. 55: Ethernet connection between the RTD and easyE4 devices through an Ethernet switch
When using auto IP, the procedure is the same as for establishing a connection
without an Ethernet switch.
As soon as the Ethernet switch is connected between the existing connection
between easyE4 and RTD, the Ethernet connection will be disconnected and will then
be automatically re-established with auto IP.
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