Electrical connection
MP85A A0293_06_E00_03 HBM: public 41
Fig. 5.13 Integrating the MP85A process controller in an Ethernet network
Use only cables that are Category 5 (Cat 5) or higher for this purpose. This
enables line lengths of up to 100m to be achieved.
Notes on operation in an Ethernet network
In order to avoid network problems, you should check the following points
before connection to an Ethernet network:
S Are the connected device addresses unique, i.e. there are no duplicate IP
addresses?
S Does the network have sufficient reserves for the transmission of the
planned data or could the network load become too great?
S Are there nodes that could put strain on the network due to broadcasts, i.e.
data sent to all nodes?
In order to prevent measurement processes from being disrupted by other
network nodes, you can also operate the devices in a separate network from
your company network. Connection to the company network would then only
be necessary if external access to the measurement devices themselves is
necessary. If access to the generated data alone is required, you can achieve
this using a PC connected “between” the networks, i.e. linked to the devices
via one network card and to the company network via a second network card.
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