Rockwell Automation 1760-DNET Pico DeviceNet Communications Module User Manual User Manual
Page 94
Publication 1760-UM003A-EN-P - September 2005
7-14 Pico GFX Control Commands
Example 1: Set/reset market bit
Marker bit 62 should be set or reset. Write a “1” to set or a “0” to reset
the marker bit in the least significant bit of data byte “Data 1”.
Example 2: Write marker word
The value 823 should be written into the marker word MW32: 823
dec
= 337
hex
r Data 1 = 37
hex
, Data 2 = 03
hex
Table 6.87
Byte
Meaning
Value (hex), sent
by
Master
Slave
Master
Slave
Attribute ID: Write
B1
–
0
Response: Write successful
–
C1
0
1
Len
01
01
1
2
Type
0B
0B
2
3
Index
3E
3E
3 4
Data
1
010
(1)
(1) 01 = set, 00 = reset
00
4 – 6
5 – 7
Data 2 – 4
00
00
Table 6.88
Byte
Meaning
Value (hex), sent by
Master
Slave
Master
Slave
Attribute ID: Write
B1
–
0
Response: Write successful
–
C1
0
1
Len
01
01
1
2
Type
0D
0D
2
3
Index
20
20
3
4
Data 1
37
00
4 5
Data
2
03
00
5
6
Data 3
00
00
6
7
Data 4
00
00