Rockwell Automation 1760-DNET Pico DeviceNet Communications Module User Manual - Manual (Page 52)

Publication 1760-UM003A-EN-P - September 2005
6-8 Application Examples for Pico
Local inputs: I1 – I16
This command string enables you to read the local inputs of the Pico
basic unit. The relevant input word is stored in Intel format.
Table 6.12 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
D1 0/1
D2 0/1
... ...
D8 0/1
Data 2 Bit 7 6 5 4 3 2 1 0
D9 0/1
D10 0/1
... ...
D16 0/1
Table 6.13 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 <bullets>a page 45
0 1 Len 02 02
1 2 Type 84 84
2 3 Index 00 00
3 4 Data 1 (Low Byte) 00 Table 6.14
4 5 Data 2 (High Byte) 00 Table 6.14
5 – 6 6 – 7 Data 3 – 4 00 00