Rockwell Automation 1760-DNET Pico DeviceNet Communications Module User Manual User Manual
Page 134
Publication 1760-UM003A-EN-P - September 2005
7-54 Pico GFX Control Commands
0
Response:
Read successful
–
C2
Write successful
–
C1
Command rejected –
C0
0
1
Type
A 2
A 2
1
2
Instance
01 – 20
01 – 20
2
3
Index
Table 6.172
Table 6.172
3 – 6
4 – 7
Data 1 – 4
Read operation
00
depending on index,
Table 6.173, 6.174
Write operation
depending on index,
Table 6.173, 6.174
00
Table 6.172 Operand overview
Index
(hex)
Operand
read
write
00
Bit IO, Table 6.173
x
01
Mode, Table 6.174
x
02
Input value:
operand to be converted
I1
x
c
(1)
(1) The value can only be written if it is assigned to a constant in the program.
03
Output value:
contains the conversion result
QV
x
TIP
The data for index 2 and 3 is transferred as a 32-bit
value in Intel format (Data 1 – Low Byte .. Data 2 -
High Byte).
Table 6.173 Index 0 – Bit IO
Bit
7
6
5
4
3
2
1
0
FB output Data 3
–
–
–
–
–
–
–
EN
(1)
(1) Activates the function block on status 1.
Table 6.171 Telegram Structure
Byte
Meaning
Value (hex), sent by
Master
Slave
Master
Slave