7 Data Exchange between PROFINET IO Controller and AS-i Slave
119
IE/AS−INTERFACE LINK PN IO as of hardware version 1, as of firmware version V2.0
Release 08/2018
C79000−G8976−C216−03
7.3.2 Special Situations in Analog Value Transfer
S In the input direction, the AS-i master sends a substitute value if a slave fails or
if there is a problem in AS-i communication:
− With analog slaves complying with the following profiles, the AS-i master
supplies “0x7FFF
H
” as the substitute value:
7.3.4 to 7.3.7
7.3.B to 7.3.F
7.4.1 to 7.4.F
7.A.9
7.A.8 (ID1 = 6)
7.A.8 (ID1 = 7)
7.A.5 and 7.5.5 and B.A.5 (if you have analog input)
− With analog slaves complying with the following profiles, the AS-i master
supplies “0x0000
H
” as the substitute value:
7.3.0 to 7.3.3
7.3.8 to 7.3.A
7.A.A
7.A.8 (ID1 = 3,4,5)
7.A.5 and 7.5.5 and B.A.5 (if you have transparent input)
− With all other analog slaves, the assigned analog value is “0x7FFF
H
”.
S In the output direction, the AS-i master send logic “0” to all slaves if there is a
failure or if the PLC of the controller station changes to STOP.
-
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