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ETHERNET COMMUNICATION MODE
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In the Hoffman A.C. Monitor screen, click on Tools on the main menu
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In the dropdown window, check the Use Ethernet and notice that Comm Port is now disabled
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Select Single ACU Monitor tab, in the window click on the Device IP box and type the IP address that need to
communicate to the network card
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Click on the Community box and then type the word private
Note that there are two community strings where one is for read ONLY and one is for read/write.
The word "public" allows to read ONLY and "private" allows to read and write
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Click on Enable Comm button to communicate to the network card and read the temperature information from the
controller
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Now the temperature settings information in the controller present on the screen
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To view and change the temperature setpoints, Ethernet card configurations, static and dynamic networking mode,
simply follow the same procedures that define for the USB communication mode above
TO MONITOR MULTIPLE A/C UNITS IN THE NETWORK
With the Ethernet networking mode, it provides user with the ability to manage and monitor hundreds of the A/C
units from distance domestically and globally at one central location as long as all A/C units configure in the
same subnet in the network. Refer to remote access control (RAC) Instruction Manual for configuring multiple
units and with text message and email capability in Hoffman A.C. Monitor software. The remote access control
Instruction Manual, P/N: 89091002 can be downloaded from nVent support center link, https://go.nvent.com/
remote-access-control-support-center .
ALARM LOG ACCESSIBLE WITH SUPPORT PROTOCOL
Using custom software with below supporting file gives the user ability to view a log of the last 25 alarms
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MIB file for SNMP protocol
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Register and Coil file for Modbus TCP protocol
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EDS and/or EtherNet_IP Objects file for EtherNet/IP protocol
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Profinet Data Point file for Profinet protocol
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