Rockwell-automation 1760-DNET Pico DeviceNet Communications Module Use Manual de usuario descargar pdf (Pagina 107)

Publication 1760-UM003A-EN-P - September 2005

Pico GFX Control Commands 7-27

Block Transfer: BT01 – BT32

Table 6.111 Telegram Structure

Byte Meaning Value (hex), sent by

Maste

Slav

Master Slave

Attribute ID

Read 92 –

Write B2 –

0 Response:

Read successful – C2

Write successful – C1

Command rejected – C0

0 1 Type 26 26

1 2 Instance 01 – 20 01 – 20

2 3 Index Table 6.112 Table 6.112

3 – 6 4 – 7 Data 1 – 4

Read operation 00 depending on index,

Table 6.113, 6.114

Write operation depending on index,

Table 6.113, 6.114

Table 6.112 Operand overview

Index

(hex)

Operand read write

00 Bit IO, Table 6.113 x

01 Mode, Table 6.114 x

02 Source range 1 I1 x

(1)

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

03 Target range 2 I2 x

(1)

04 Number of elements to compare: max. 192 bytes NO x

(1)

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).

1 2 ... 102 103 104 105 106 107 108 109 110 111 112 ... 167 168

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Rockwell-automation 1760-DNET Pico DeviceNet Communications Module Use Manual de usuario Pagina 107