Read Parameters
- Last UpdatedJul 07, 2025
- 1 minute read
|
Parameter name |
Description |
Allowable value |
Default value |
|---|---|---|---|
|
UseReadMultiple |
Specifies whether to use the ReadPropertyMultiple Service |
1: Allow |
1 |
|
FastPoll |
The parameter has been deprecated. |
||
|
SlowPoll |
The parameter has been deprecated. |
||
|
RetriesOnError |
Maximum number of times read transaction will be re-transmitted in case when the message packet received from device is invalid |
0 - 10 |
3 |
|
COVLifeTime |
Sets the change-of-value (COV) subscription time (in seconds). The driver attempts to use COV reporting for devices that support it. It subscribes to COV notifications for a period defined by COVLifeTime setting, and periodically updates the existing subscriptions. If COVLifeTime equals 0, then COV reporting is not used. |
0 to 86400 |
3600 (1 hour) |
|
COVExpireLag |
Sets the period of time (in milliseconds) to update an existing subscription before it expires. The driver periodically updates existing COV subscriptions. |
Equal to or greater than zero (0) |
60000 (1 min) |
|
COVCancelAtShutdown |
Specifies whether to cancel COV subscriptions at driver shutdown |
1: Cancel COV subscriptions 0: Do not cancel COV subscriptions |
1 |