Avatar

Please consider registering
guest

sp_LogInOut Log In sp_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
No permission to create posts
sp_Feed Topic RSS sp_TopicIcon
OPC classic server - Multiple instances - example
March 26, 2021
17:58, EET
Avatar
DenisF
Member
Members
Forum Posts: 26
Member Since:
March 26, 2021
sp_UserOfflineSmall Offline
Go to Top
1sp_Permalink sp_Print

Hi,

I am testing your OPC server classic functions, before I will also switch to UA. I use the SDK for Delphi XE5.

There is one thing I can’t get right. When I start several clients simultaneously, the exe program that contains the server is started in a new process instance for each of them. However, I see that it is theoretically possible with objects to have several clients.

For the moment I have only implemented the instructions contained in the classic version tutorial. Is it necessary to use other properties to obtain the desired behaviour, i.e. a single process instance for all clients? If so it isn’t clear for me at the moment.

On the other hand I have seen hints of a more complete OPC classic server example, but I don’t see where to find that, can you point me to it if it exists please?

Thank you in advance

Denis

March 26, 2021
23:23, EET
Avatar
Jouni Aro
Moderator
Moderators
Forum Posts: 1026
Member Since:
December 21, 2011
sp_UserOfflineSmall Offline
sp_UserWebsite
Go to Top
2sp_Permalink sp_Print

Sounds like a DCOM configuration issue. If the OS doesn’t find a server that the client can access, it will spawn a new one.

Check that you are running the processes with the same user account, if possible.

The Classic Simulation Server comes with some default signals and source code. But it’s still very basic. Check it out, anyways.

No permission to create posts
sp_Feed All RSS
Go to top
Forum Timezone: Europe/Helsinki

Most Users Ever Online: 1919

Currently Online:
23 Guest(s)

Currently Browsing this Page:
1 Guest(s)

Top Posters:

Heikki Tahvanainen: 402

hbrackel: 144

rocket science: 88

pramanj: 86

Francesco Zambon: 83

Ibrahim: 78

Sabari: 62

kapsl: 57

gjevremovic: 49

Xavier: 43

Member Stats:

Guest Posters: 0

Members: 726

Moderators: 7

Admins: 1

Forum Stats:

Groups: 3

Forums: 15

Topics: 1529

Posts: 6471

Newest Members:

gabriellabachus, Deakin, KTP25Zof, Wojciech Kubala, efrennowell431, wilfredostuart, caitlynfajardo, jeromechubb7, franciscagrimwad, adult_gallery

Moderators: Jouni Aro: 1026, Pyry: 1, Petri: 0, Bjarne Boström: 1032, Jimmy Ni: 26, Matti Siponen: 349, Lusetti: 0

Administrators: admin: 1