ifm
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
308
Response from device to fieldbus master
(command number = 01)
Bit
Offset
Word no.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
1
E
B
res.
reflected user ID
reflected command number
2
reserved = 0
reserved = 0
3
keys
pressed
4
activated menu area
5
process
error
occurred
6
currently displayed menu window
7
activated system language
8...18
not changed*)
not changed*)
Legend:
E
error bit
1 bit
0 = no error detected
1 = error when executing the command
B
busy
1 bit
0 = command processed, buffer response valid
1 = command in process, channel used
M
master no.
1 bit
0 = master 1
1 = master 2
keys pressed
1 word
0001 = bit 0: left key
0002 = bit 1: key [ ]
0004 = bit 2: key [ ]
0008 = bit 3: right key
combinations possible by adding the
values
activated menu area
1 word
00A0 = system menu active
00A1 = user menu active
00AE = process error display active (E10...E30)
00AF = system error display active (acknowledgement required)
process error occurred
1 word
0000 = no process errors given
0001 = one or more process errors given
currently displayed menu
window
1 word
number of the menu screen
activated system
language
1 word
0000 = menu display in English
0001 = menu display in the second system language
*)
IMPORTANT:
For the query read only the required bytes!
Unused bytes can contain information of previous queries.
