Network Meter Block Installation, Operation, & Maintenance Manual
Monitoring and Configuring the NMB 34
8. In the Keep Alive Interval field, type the number of seconds the connection between the NMB and the
message broker can be idle before verifying the integrity of the connection. This field defaults to 300
seconds (5 minutes).
9. In the System Name field, type a name for the MQTT-enabled devices represented as a system, such
as a site name or asset group.
10. In the Object Tag field, type a name for the MQTT client ID for the NMB that is unique within the
system.
11. If the Transport Layer Security (TLS) cryptographic protocol should be used to validate the
communication link between the NMB and the message broker and encrypt message data, select the
TLS Enable check box.
12. If the MQTT broker being used does not support data retention, select the Retain Flag Disable check
box.
13. Click Apply to save your changes.
4.3.7.4 Adding an Instrument Tag
You can customize the name of your NMB that is displayed at the top of your screen when accessing the
NMB via a Web browser. To do so, complete the following steps:
1. Select System Configure > Instrument Tag.
2. In the Instrument Tag field, type a name for the NMB that is unique within the MQTT domain.
3. Click Apply to save your changes.
4.3.8 Restoring Factory-Default Configuration Parameters
You can restore your NMB’s configuration settings to the factory default settings; however, this feature
should be used with caution. We recommend first exporting your current configuration settings before
resetting them (for instructions, see Section 4.3.10: Backing Up Your Configuration Settings).
To reset your NMB to its factory default settings, complete the following steps:
1. Log into the configuration area.
2. Select System Configure > Utilities.
3. Click the Reset button.
4. When prompted, click OK.
4.3.9 Rebooting the NMB
You can reboot your NMB when needed. To do so, complete the following steps:
1. Log into the configuration area.
2. Select System Configure > Utilities.
Each NMB in the system should have a unique object tag; duplicate tags could result in the MQTT
broker rejecting connection requests or terminating a connection to accommodate a new request.
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