Avatar
Please consider registering
guest
sp_LogInOut Log Insp_Registration Register
Register | Lost password?
sp_Search Search
Advanced Search
Advanced Search
Forum Scope


Match



Forum Options



Minimum search word length is 3 characters - maximum search word length is 84 characters
sp_Search Search
Go to Bottom
sp_Feed Topic RSSsp_TopicIcon
Difference between errorcode and statuscode when subscribing to OPC UA
September 14, 2021
13:54, EEST
Avatar
amj005
Member
Members
Forum Posts: 33
Member Since:
July 27, 2021
sp_UserOfflineSmall Offline
Go to Top
1sp_Permalink sp_Print

Hi,

I am using subscription to OPC UA and reading values from onDataChange call back method.

I want to understand difference between the status codes under MonitoredDataItem and DataValue.

1. Are monitoredDataItem.errorCode and dataValue.getStatusCode both same?

2. And where can we get the error code when we call client.readValue, because here we do get only DataValue response?

Thanks!

September 14, 2021
14:45, EEST
Avatar
Matti Siponen
Moderator
Members

Moderators
Forum Posts: 362
Member Since:
February 11, 2020
sp_UserOfflineSmall Offline
Go to Top
2sp_Permalink sp_Print

Hello,

1. The StatusCode provided by MonitoredDataItem.getErrorCode() contains error codes related to creation of the MonitoredItem and the StatusCode provided by DataValue.getStatusCode() describes the “quality” of the value.

2. The response of a Read operation doesn’t include separate error codes, but you can check the StatusCodes of the returned DataValues for errors related to Reading the values.

September 15, 2021
16:33, EEST
Avatar
amj005
Member
Members
Forum Posts: 33
Member Since:
July 27, 2021
sp_UserOfflineSmall Offline
Go to Top
3sp_Permalink sp_Print

Thank you!
So, If I am just focusing on the error of that particular dataValue, I should be just using StatusCode and ignore MonitoredItem altogether right?

September 16, 2021
7:52, EEST
Avatar
Matti Siponen
Moderator
Members

Moderators
Forum Posts: 362
Member Since:
February 11, 2020
sp_UserOfflineSmall Offline
Go to Top
4sp_Permalink sp_Print

Correct, to detect errors in the Value of a Variable, it is sufficient to check the StatusCode provided by the DataValue.

sp_Feed All RSS
Go to top
Forum Timezone: Europe/Helsinki
Most Users Ever Online: 1919
Currently Online:
Guest(s) 46
Currently Browsing this Page:
1 Guest(s)
Top Posters:
Heikki Tahvanainen: 402
hbrackel: 144
rocket science: 100
pramanj: 86
Francesco Zambon: 83
Ibrahim: 78
Sabari: 62
kapsl: 57
gjevremovic: 49
Xavier: 43
Member Stats:
Guest Posters: 0
Members: 773
Moderators: 7
Admins: 1
Forum Stats:
Groups: 3
Forums: 15
Topics: 1558
Posts: 6567
Newest Members:
aracelyhaley4, raphaelschonell, Ashmag, kathyreimann56, brittanylemos, dorthycundiff76, PromotionToold, CHHinrichs, rodricklienhop, jose_Wanderlei
Moderators: Jouni Aro: 1039, Pyry: 1, Petri: 1, Bjarne Boström: 1054, Jimmy Ni: 26, Matti Siponen: 359, Lusetti: 0
Administrators: admin: 1