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immediate downloadReleased: 1985-01-31
BS 6556-3:1985
Low speed digital signals for use in coal mines Specification for message protocols
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Standard number: | BS 6556-3:1985 |
Pages: | 26 |
Released: | 1985-01-31 |
ISBN: | 0 580 14232 9 |
Status: | Standard |
DESCRIPTION
BS 6556-3:1985
This standard BS 6556-3:1985 Low speed digital signals for use in coal mines is classified in these ICS categories:
- 29.260.20 Electrical apparatus for explosive atmospheres
- 35.020 Information technology (IT) in general
Specifies the message protocols employed with intrinsicaly safe transmitting and receiving circuits forming low speed digital data transmission links in which the data is transmitted by optical or transformer couplings.