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2.1.1 Connect to a wired HART interface
Unless the CSI 9420 is purchased pre-configured from the factory, you must connect it to a
wired HART interface. This is to define device credentials that allow the device to
communicate on your wireless network. You can also define other device configurations
such as sensor type and alert thresholds at this time.
Notes
• Use the wired HART interface only for configuration. Dynamic variables (such as measured
vibration parameters) are not updated when communicating on the wired interface.
• The CSI 9420 does not communicate simultaneously on both the wired and wireless HART
interfaces. You will lose wireless connectivity when you connect to the wired HART interface.
Configuration changes are not reflected in a wireless host until connection has been re-
established. To avoid loss of synchronization, disconnect hosts relying on the wireless link
when communicating with the device on the wired interface.
For example, if you are viewing a configuration screen in AMS Device Manager through a
wireless link, and you leave this screen open while making changes with a Field
Communicator, you will have to exit AMS Device Manager and then re-open it (or re-scan the
device) after the wireless connection has been restored in order to see the changes.
Procedure
1. Remove the transmitter back cover.
This exposes the terminal block and HART communication terminals.
CSI 9420 terminal block with two-wire, polarity-independent
connection
Figure 2-1:
A. COMM terminals (power module version)
B. HART COMM terminals (externally powered version)
2. Connect the power module or supply power using an external power source.
Configuration
MHM-97408, Rev 15 9