Eaton Electrical PROFIBUS-DP EZ204-DP ユーザーズマニュアル
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EZ800/EZD Control Commands
MN05013001E
116
Reading and writing markers
Table 51: Byte 2 – 4: Len, Type, Index
If required, refer to the more detailed description of the marker
allocation in the EZ800 manual and EZD manual. Only a small
extract of this manual is shown at this point in order to
illustrate the allocation principle.
Byte
Meaning
Value (hex), sent by
Master
Slave
0
Toggle byte
J
page 94
1
Command
Read
91
–
Write
B1
–
Response
Read successful
–
C2
Write successful
–
C1
Command rejected
–
C0
2
Len
J
Table 51
J
Table 51
3
Type
4
Index
5 – 8
Data 1 – 4
Read operation
00
J
“Example 1”
on Page 118
For write operation
J
“Example 2”
on Page 119
00
Operand
Len
Type
Index
Marker bit
M1
.. M96
01
hex
0B
hex
01 to 60
hex
Marker byte
MB1 .. MB96
01
hex
0C
hex
01 to 60
hex
Marker word
MW1 .. MW96
02
hex
0D
hex
01 to 60
hex
Marker double word MD1 .. MD96
04
hex
0E
hex
01 to 60
hex