Programming MOBY-ASM on PROFIBUS-DP-V1
B-6
FC 56
J31069-D0155-U001-A0-7618
After startup, the cyclic word of MOBYĆASM takes on the following states
(bits 8 to 15 are shown).
0
0
8
8
1
0
3
0
3
8
5
8
4
0 ...........
...........
Startup
1st command
(RESET)
2nd command
3rd command
After command
Before acknowledgment Before command Before acknowledgment
0
8
Before command
Synchronizing of command and acknowledgment counters
The command (BZ) and acknowledgment (QZ) counters are synchronized during a
startup. The ASM sets QZ = 0 and BZ = 1. The startup can be triggered by both
the ASM (return of power) and the user (init_run).
init_run_
ANZ_reset_
Ready
Reset command
to ASM
Reset acknow.
from ASM
Non-cyclic
telegram
BZ, QZ
any state
BZ=1, QZ=0
defined reset
BZ=2
QZ=1
When a command is interrup-
ted with RESET (or init_run_),
error message 1F occurs
here.
Ready = Finished message in user programm
Figure B-3 Startup timing initiated by user
init_run_
ANZ_reset_
Ready
RESET command
to ASM
RESET acknow.
from ASM
Non-cyclic
telegramm
BZ=0
BZ=1
Ready = Finished message in user programm
BZ=2
QZ=1
Figure B-4 Startup timing by ASM initiated by power failure
Содержание MOBY FC 56
Страница 12: ...Introduction 1 6 FC 56 J31069 D0155 U001 A0 7618 ...
Страница 63: ...5 1 FC 56 J31069 D0155 U001 A0 7618 Sample Applications 5 ...
Страница 80: ...Sample Applications 5 18 FC 56 J31069 D0155 U001 A0 7618 ...
Страница 90: ...Entry Exit Check of an MDS in an SLG Field 6 10 FC 56 J31069 D0155 U001 A0 7618 ...
Страница 94: ...System Configuration 7 4 FC 56 J31069 D0155 U001 A0 7618 ...
Страница 100: ...Commissioning Guidelines 8 6 FC 56 J31069 D0155 U001 A0 7618 ...
Страница 101: ...9 1 FC 56 J31069 D0155 U001 A0 7618 Error Messages and Trouble Shooting 9 ...
Страница 152: ...Programming MOBY ASM on PROFIBUS DP V1 B 30 FC 56 J31069 D0155 U001 A0 7618 ...