Rockwell Automation 1760-DNET Pico DeviceNet Communications Module User Manual User Manual
Page 109

Publication 1760-UM003A-EN-P - September 2005
Pico GFX Control Commands 7-29
3 – 6
4 – 7
Data 1 – 4
Read operation
00
depending on index,
Table 6.117 and 6.118
Write operation
depending on index,
Table 6.117 and 6.118
00
Table 6.116 Operand overview
Index
(hex)
Operand
read
write
00
Bit IO, Table 6.117
x
01
Mode, Table 6.118
x
02
First operand
I1
x
c
(1)
(1) The value can only be written if it is assigned to a constant in the program.
03
Second operand
I2
x
c
(1)
04
Operation result
QV
x
TIP
The data for index 2 to 4 is transferred as a 32-bit value in Intel
format (Data 1 – Low Byte to Data 4 – High Byte).
Table 6.117 Index 0 – Bit IO
FB output Data 3
Bit
7
6
5
4
3
2
1
–
–
–
–
–
–
ZE
(1)
(1) Status 1 if the value of the function block output QV (the operation result) equals zero
Table 6.118 Index 1 - Mode
Data 1
(hex)
00
AND And
sequence
Table 6.115 Telegram Structure
Byte
Meaning
Value (hex), sent by
Master
Slave
Master
Slave