Rockwell Automation 1760-DNET Pico DeviceNet Communications Module User Manual - Manual (Page 104)

Publication 1760-UM003A-EN-P - September 2005
7-24 Pico GFX Control Commands
2 3 Index Table 6.104 Table 6.104
3 – 6 4 – 7 Data 1 – 4
Read operation 00 depending on index,
Table 6.105 and 6.106
Write operation depending on index,
Table 6.105 and 6.106 00
Table 6.104 Operand overview
Index
(hex) Operand read write
00 Bit IO, Table 6.105 x
01 Mode, Table 6.106 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 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 6.105 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 calculation result) equals zero
CY
(2)
(2) Status 1 if the value range is exceeded
Table 6.103 Telegram Structure
Byte Meaning Value (hex), sent by
Master Slave Master Slave