Rockwell Automation 1760-DNET Pico DeviceNet Communications Module User Manual User Manual
Page 99
Publication 1760-UM003A-EN-P - September 2005
Pico GFX Control Commands 7-19
Receive data network: RN1 – RN32/
Send data network: SN1 – SN32
PicoNET allows a point-to-point connection to be implemented
between the individual NET stations. The RN and SN data are used for
the data exchange (see publication 1760-UM002).
R6
S6
0/1
R7
S7
0/1
R8
S8
0/1
Data 2
Bit
7
6
5
4
3
2
1
0
R9
–
0/1
R10
–
0/1
R11
–
0/1
R12
–
0/1
R13
–
0/1
R14
–
0/1
R15
–
0/1
R16
–
0/1
TIP
The RN SN data of the local device (Index = 0) to
which the module is fitted cannot be scanned. In this
case the command would be denied with the 0Chex
signal.
Table 6.96
Byte
Meaning
Value (hex), sent by
Master
Slave
Master
Slave
Attribute ID: Read
91
–
0
Response:
Read successful
–
C2
Command rejected
–
C0
0
1
Len
04
04
1
2
Type
For RN1 – RN32: 08
For RN1 – RN32: 08
Table 6.95 Byte 4 to 5: Data 1 to 2