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Device manual AS-i M4 Gateway Profibus DPV1 (AC1375, AC1376)
2012-02-23
DP module 12: extended command channel
Commands in the extended command channel
251
Response from device to fieldbus master in case of a fault
Bit
Offset
Word no.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
1
E
B
M
reflected user ID
reflected command number
2
reserved = 0
reserved = 0
3
reserved = 0
error code
4...18
not changed
not changed
Possible error codes:
Value [hex.]
Meaning
00…02
general errors during command processing
0A…0C internal
protocol
error
10
sub command invalid
11
no slave with the profile S-7.F.F on the slave address
16
the monitor with the address was changed in the protocol mode
20
command could not be processed within the specified time
EE
fatal error during command execution
Example: one-time execution of the extended safety monitor protocol on address 30
Request of host to device
Word no.
Value [hex.]
Meaning
1
071F
M=0: AS-i master 1
UID=07: user ID changes to 7
1F = command 31
2 0000
reserved
3
001E
00 = sub command 0 = one-time execution of the extended safety monitor protocol
1E
hex
= 30
dec
= Safety-at-Work monitor with the slave address 30
4…18 xxxx
not
used
Response from device to host in the normal case
: Safety-at-Work monitor has not triggered
Word no.
Value [hex.]
Meaning
1
071F
copy of the request
command processed, no error occurred
2 0000
reserved
3
001E
reflected command data
4
0000
green: contacts of the output circuits closed
5
0000
both output circuits green
6…17
xxxx
not relevant, because 5th word = 0000
18 xxxx
not
changed
