Rockwell-automation 1760-DNET Pico DeviceNet Communications Module Use Manual de usuario descargar pdf (Pagina 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

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

(1)

(1) The value can only be written if it is assigned to a constant in the program.

03 Second operand I2 x

(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 765432 1

––––––

(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

1 2 ... 104 105 106 107 108 109 110 111 112 113 114 ... 167 168

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Rockwell-automation 1760-DNET Pico DeviceNet Communications Module Use Manual de usuario Pagina 109