Assignment Of The Data Bits; Code Value Representation Using The Data Bits D16; Additional Functions To The As-I Profile 7.4 - IFM Electronic efector190 DTS125 Notice De Montage

8.4

Assignment of the data bits

In one transmission cycle the following data is transferred in data triples:
E1 E2 E3 D16 D15 D14 D13 D12 D11 D10 D9
extension
bits
(static 0)
Additional information bits:
O = overflow bit (is set with the values 7FFF and 8000 hex., otherwise 0)
V = valid bit (is set with a valid value)
8.5 Code value representation using the data bits D16...D1
The ID value is represented as a signed 16-bit number.
Range
Value range
Message range
Value 0 = no ID tag in the reading range or ID tag not detected
8.6

Additional functions to the AS-i profile 7.4

(Applies only to read/write heads)
Function, description
Read ID string
reading AS-i slave information
Read diagnosis string
reading statistics via read/write processes
Read parameter string
reading back data from the ID tag
Write parameter string
writing data on the ID tag
requesting data from the ID tag
● = function implemented
Description, examples and software for various controllers at:
→ Service → Download
www.ifm.com
D8 D7
user data bits
Decimal
from to
0 32767
-1 -32768
D6 D5 D4 D3 D2 D1
Hex
from to
0 7FFF
FFFF 8000
DTA100 DTA200 DTA300
● ●
● ●
– ●
● ●
– ●
O V
UK
●
●
●
●
●
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