Client settings parameters
- Last UpdatedSep 20, 2025
- 1 minute read
- PI System
- Adapter for MQTT 1.4
- Adapters
The following parameters are available for configuring client settings:
|
Parameter |
Required |
Type |
Description |
|---|---|---|---|
|
keepAlivePeriod |
Optional |
string (timespan) |
The maximum time that can elapse between sending two data items. Allowed value: >= 00:00:05 (5 seconds) |
|
qosLevel |
Optional |
integer or enum |
Defines the guarantee of delivery for a specific item. Allowed values: 0 or AtMostOnce: There is no guarantee of item delivery. 1 or AtLeastOnce: An item is delivered at least one time. 2 or ExactlyOnce: Each item is received only one time. Default value: 2 |
|
maxClientQueueSize |
Optional |
integer |
Maximum number of items that can be in the adapter internal queue. Allowed value: >= 250 |