Text function blocks: d1 – d16 – Rockwell Automation 1760-DNET Pico DeviceNet Communications Module User Manual User Manual
Page 51
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Publication 1760-UM003A-EN-P - September 2005
Application Examples for Pico 6-7
Text function blocks: D1 – D16
The following commands are used to read the logic state of the
individual text function blocks (D markers).
Table 6.10 Byte 3 to 4 (master) or Byte 4 to 5 (slave): Data 1 to 2
Data 1
Bit
7
6
5
4
3
2
1
0
C1
0/1
C2
0/1
…
…
C8
0/1
Data 2
Bit
7
6
5
4
3
2
1
0
C9
0/1
C10
0/1
…
…
C16
0/1
Table 6.11 Telegram Structure
Byte
Meaning
Value (hex), sent by
Master
Slave
Master
Slave
Attribute ID: Read
88
–
0
Response:
Read successful
–
C2
Command rejected
–
C0
(1)
(1)
Possible causes page 6-34.
0
1
Len
01
01
1
2
Type
94
94
2
3
Index
00
00
3
4
Data 1 (Low Byte)
00
4
5
Data 2 (High Byte)
00
5 – 6
6 – 7
Data 3 – 4
00
00
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