Rockwell-automation 1760-DNET Pico DeviceNet Communications Module Use Manual de usuario descargar pdf (Pagina 144)

Publication 1760-UM003A-EN-P - September 2005

7-64 Pico GFX Control Commands

Analysis – error codes via

PicoLink

The Pico GFX basic unit will return a defined error code in the event

of an incorrectly selected operating mode or an invalid telegram. The

error code transferred has the following structure:

3 – 6 4 – 7 Data 1 – 4

Read operation 00 depending on

index,Table 6.196

Write operation depending on

index,Table 6.196

Table 6.195 Operand overview

Index

(hex)

Operand read write

00 Bit IO, Table 6.196 x

01 Mode/Parameter – –

02 Input value I1 x

(1)

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

03 Upper limit value SH x

04 Lower limit value SL x

05 Output value: outputs the value present

at input I1 within the set limits.

QV x

Table 6.196 Index 0 – Bit IO

Bit76543210

FB output Data 3 – – – – – – –

(1)

(1) Activates the function block on status 1.

Table 6.194 Telegram Structure

Byte Meaning Value (hex), sent by

Master Slave Master Slave

1 2 ... 139 140 141 142 143 144 145 146 147 148 149 ... 167 168

Sin comentarios

Rockwell-automation 1760-DNET Pico DeviceNet Communications Module Use Manual de usuario Pagina 144