|
21
To change the static network to dynamic network mode
• In the
Single ACU Ethernet Info
tab screen, click on
Read Ethernet Info
button to read the network card information.
Note:
the
Reprogram ACU
button is now enable.
• Check the box next to the
Use DHCP Server
on the upper left corner of the screen.
• Click on
Reprogram ACU
button. Now the network is switched to dynamic from static mode.
• To change the dynamic mode to static mode, in the
Single ACU Ethernet Info
tab window click on
Read Ethernet
Info button.
• Uncheck the box next to the
Use DHCP Server
on the upper left corner of the screen.
• Click on
Reprogram ACU
button to switch to static mode.
Ethernet communication mode
• In the nVent HOFFMAN A.C. Monitor screen, click on
Tools
on the main menu.
• In the dropdown window, check the
Use Ethernet
and notice that
Comm Port
is now disabled.
• 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.
• Click on the
Community
box and then type the word
private
.
Note:
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.
• Click on
Enable Comm
button to communicate to the network card and read the temperature information from the controller.
• Now the temperature settings information in the controller present on the screen.
• 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 nVent 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 the ability to view a log of the last
25
alarms
–
MIB file for SNMP protocol
–
Register and Coil file for Modbus TCP protocol
–
EDS and/or EtherNet_IP Objects file for EtherNet/IP protocol
–
Profinet Data Point file for Profinet protocol
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