Programming MOBY-ASM on PROFIBUS-DP-V1
B-26
FC 56
J31069-D0155-U001-A0-7618
The following figure shows the layout of a non-cyclic data record. SAP 51 is used
to transmit the data. The data unit (DU) indicates how the MOBY-ASM is
addressed.
SD
68H
LE
x
LEr
x
SD
68H
DA
8x
SA
8x
FC
x
DSAP
51/33H
SSAP
51/33H
DU
x...
FCS
x
ED
16H
0
1
0
1
1
1
1
0
Octet 2
0
Octet 1
0
Function code (e.g., DS_Read.req)
(DS = Data Record)
0= Request/response okay
1= Response error frame
Slot_Number: ASM 452, 454, 754, 854, 850 = 0
ASM 475, 473 = 0 to 7, 1 to 7
(corresponds to
slot in an
ET 200M, ET 200X)
Octet 3
0
Index
¢
Data record number for channels 1
Octet 4
0
Data length
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 ...