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sklademVydáno: 1992-10-15
BS EN 60870-5-2:1994
Telecontrol equipment and systems. Transmission protocols Link transmission procedures
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| Označení normy: | BS EN 60870-5-2:1994 |
| Počet stran: | 48 |
| Vydáno: | 1992-10-15 |
| ISBN: | 0 580 21218 1 |
| Status: | Standard |
DESCRIPTION
BS EN 60870-5-2:1994
This standard BS EN 60870-5-2:1994 Telecontrol equipment and systems. Transmission protocols is classified in these ICS categories:
- 33.200 Telecontrol. Telemetering
- 35.240.50 IT applications in industry
This section of IEC 870-5 applies to telecontrol equipment and systems with coded bit serial data transmission for monitoring and controlling geographically widespread processes.
The defined link procedures are restricted to message transmission sequences operating with size 1 windows. This means that the link layer of the primary station (station that initiates a message transfer) accepts a request for a new message transfer only when a previously accepted request for a message transfer is terminated either successfully or with an error indication. The procedures are applicable to balanced and unbalanced transmission in telecontrol systems using half duplex or duplex transmission channels.
Requirements with coded bit serial data transmission for monitoring and controlling geographically widespread processes.