PUSR USR-W630s - Page 32

USR-W630s User Manual
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Offline Data
Cache
ON: Offline data will be cached and sent when get online
again.
OFF: Offline data will be not cached.
OFF
Data Overflow
handling
Discard old Data: Store the latest data.
Discard New Data: When the storage space is used up, no new
data will be stored.
Discard old Data
Caching Method
Length Limit/Package Quantity Limit
Length Limit
Figure 37. AWS topic settings
Note: Up to 16 topic rules can be set.
Name
Function description
Default value
Type
Topic type: optional publish/subscribe
publish
Name
The name of the topic
NULL
Topic
Topic: topic content
NULL
QoS
Topic message quality, configurable:
0 at most once
at least 1 time
Accurate once
0
KeepMsg
Set whether to retain the message, ON (retain)/OFF (not retain )
ON
COM
COM1-485: Data is transmitted by RS485 only.
COM2-232: Data is transmitted by RS485 only.
COM1+COM2：Data is transmitted by RS485 and RS232 both.
COM1-485