If your firewall is controlled remotely or you are unsure about configuring the firewall, contact
your network administrator.
(RT Only) No Software is Installed
MAX reports that no software is installed. Install application and driver software on the
IC-3121.
Related Information
Installing the NI Industrial Controller Device Drivers
on page 7
Cannot Drive Isolated Outputs
Verify that you have power connected to the V
ISO
and C
ISO
inputs on the IC-3121 isolated
power connector and that the contact at the screw terminals is solid. Because these outputs are
electrically isolated from the IC-3121 device main supply, they require power in addition to
the IC-3121 main supply.
LED Error Indications
The IC-3121 indicates specific error conditions by flashing the STATUS LED a specific
number of times.
IC-3121 Getting Started Guide
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© National Instruments
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