Rockwell-automation 1760-DNET Pico DeviceNet Communications Module Use Uživatelský manuál stáhnout pdf (Strana 90)

Publication 1760-UM003A-EN-P - September 2005

7-10 Pico GFX Control Commands

Example

Data 1 = F8, Data 2 = FF l In the Pico-NET network, the three stations

are present with the NET IDs 1, 2, 3

Read local inputs: IW0

This command string enables you to read the local inputs of the Pico

GFX. The relevant input word is stored in Intel format.

Table 6.80 Telegram Structure

Byte Meaning Value (hex), sent by

Master Slave Master Slave

Attribute ID: Read 91 –

0 Response:

Read successful – C2

Command rejected – C0

01Len 02 02

1 2 Type 01 01

2 3 Index 00 00

3 4 Data 1 (Low Byte) 00 Table 6.81

4 5 Data 2 (High Byte) 00 Table 6.81

5 – 6 6 – 7 Data 3 – 4 00 00

Table 6.81 Byte 4 to 5: Data 1 to 2

Data 1 Bit76543210

I1 0/1

I2 0/1

.. ..

I8 0/1

Data 2 Bit76543210

I9 0/1

I10 0/1

.. ..

I16 0/1

1 2 ... 85 86 87 88 89 90 91 92 93 94 95 ... 167 168

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Rockwell-automation 1760-DNET Pico DeviceNet Communications Module Use Uživatelský manuál Strana 90