MVI56E-FLN ♦ ControlLogix Platform
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FA Control Network Ethernet Communication Module
User Manual
ProSoft Technology, Inc.
Page 13 of 155
1.4
Setting Jumpers
The Setup Jumper acts as "write protection" for the module’s flash memory. In
"write protected" mode, the Setup pins are not connected, and the module’s
firmware cannot be overwritten. Do not jumper the Setup pins together unless
you are directed to do so by ProSoft Technical Support.
The following illustration shows the MVI56E-FLN jumper configuration.
Note:
If you are installing the module in a remote rack, you may prefer to leave
the Setup pins jumpered. T
hat way, you can update the module’s firmware
without requiring physical access to the module.
Security considerations:
Leaving the Setup pin jumpered leaves the module open to unexpected firmware
updates.
You should consider segmenting the data flow for security reasons. Per IEC
62443-1-1, you should align with IEC 62443 and implement segmentation of the
control system. Relevant capabilities are firewalls, unidirectional communication,
DMZ. Oil and Gas customers should also see DNVGL-RP-G108 for guidance on
partitioning.
You should practice security by design, per IEC 62443-4-1, including layers of
security and detection. The module relies on overall network security design, as it
is only one component of what should be a defined zone or subnet.
