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| Title: | BASEstar Classic | 
| Notice: | BASEstar Classic Kit Listings in Note 1407.* | 
| Moderator: | BASEX::EISENBRAUN | 
|  | 
| Created: | Mon Jan 19 1987 | 
| Last Modified: | Thu May 15 1997 | 
| Last Successful Update: | Fri Jun 06 1997 | 
| Number of topics: | 1566 | 
| Total number of notes: | 6666 | 
1556.0. "Interchange-DAS PLC-5/xxE" by VNACO1::KARASEK (Thomas KARASEK @AUI) Fri Jan 31 1997 09:14
Hi !
Did anyone ever setup an AB PLC-5/xxE for unsolicited write ?
Somehow we've troubles setting up the MSG-command.
All the documentation for the Interchange-DAS only covers PLCs connected to a
Data-Highway. However the MSG-command for type-E PLCs must be different.
Every attempt to send unsolicited data results in an error #18 (hex), which
translates to: connection was broken.
This makes me think, that the message doesn't even reach our target
BASEstar-node. (Both solicited READ & WRITE) work perfectly well).
How does the PLC know the host's IP-address, since there's no way to put into
that MSG-message. Is it the READ, which is implicitely posted be doing a
"DCM> MOD DEVICE/ENABLE/UNSOL" ?
Any hints/ideas strongly appreciated,
thanks & regards, -Tom
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