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AS-i 3.0 Command Interface
Structure of the Command Interface
There is the reflected command byte and the toggle bit of the request in the
response. The execution of the command returns its result in the seven least sig-
nificant bits of byte 2 of the response. 0 signals execution of the command with-
out an error. The table
result codes
shows all possible result codes.
2.1
Result-code values
Information!
Please note that possibly some controls can exchange the high and low byte on the
field bus with word orientated access to the command interface.
Name
Value Description
OK
00
16
execution without fault
HI_NG
11
16
general fault
HI_OPCODE
12
16
illegal value in command
HI_LENGTH
13
16
length of the command interface is too short
1
1.
The length of the command interface in the I/O-data area respectively the length of the DP/V1 requests
is too short
HI_ACCESS
14
16
no access right
EC_NG
21
16
general fault
EC_SND
22
16
slave (source addr) not detected
EC_SD0
23
16
slave 0 detected
EC_SD2
24
16
slave (target addr) not decteced
EC_DE
25
16
delete error
EC_SE
26
16
set error
EC_AT
27
16
address temporary
EC_ET
28
16
extended ID1 temporary
EC_RE
29
16
read (extended ID1) error
Tab. 2-3.
Содержание AS-I 3.0
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