Cart 0 Product Products (empty)
No products
To be determined Shipping
$0.00 Total
Product successfully added to your shopping cart
Quantity
Total
There are 0 items in your cart. There is 1 item in your cart.
Total products
Total shipping To be determined
Total
New Reduced price! 
View larger
View larger 
BS 6556-3:1985
M00000345
New product
BS 6556-3:1985 Low speed digital signals for use in coal mines. Specification for message protocols
standard by BSI Group, 01/31/1985
In stock
More info
Full Description
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.Cross References:
BS 5397
BS 5754
BS 6556:Part 1
BS 6556:Part 2
Mines and Quarries Act, 1954
Health and Safety at Work etc. Act 1974