Rockwell-automation 1760-DNET Pico DeviceNet Communications Module Use Manual de usuario descargar pdf (Pagina 112)

Publication 1760-UM003A-EN-P - September 2005

7-32 Pico GFX Control Commands

Frequency counters: CF01 – CF04

Table 6.122 Telegram Structure

Byte Meaning Value (hex), sent by

Master Slave Master Slave

Attribute ID

Read 92 –

Write B2 –

0 Response:

Read successful – C2

Write successful – C1

Command rejected – C0

0 1 Type 15 15

1 2 Instance 01 – 04 01 – 04

2 3 Index Table 6.123 Table 6.123

3 – 6 4 – 7 Data 1 – 4

Read operation 00 depending on

index,Table 6.124

Write operation depending on

index,6.124

Table 6.123 Operand overview

Index

(hex)

Operand read write

00 Bit IO, Table 6.124 x

01 Mode/Parameter – –

02 Upper setpoint SH x

(1)

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

03 Lower setpoint SL x

(1)

04 Actual value in Run mode 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).

1 2 ... 107 108 109 110 111 112 113 114 115 116 117 ... 167 168

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Rockwell-automation 1760-DNET Pico DeviceNet Communications Module Use Manual de usuario Pagina 112