Rockwell-automation 1760-DNET Pico DeviceNet Communications Module Use Uživatelský manuál stáhnout pdf (Strana 71)

Publication 1760-UM003A-EN-P - September 2005

Application Examples for Pico 6-27

Example:

Index 02/03

Transferred values:Data 1 0x21

Data 2 0x23

Data 3 0x40

Data 4 0x00

Resulting value: 00402321

hex

= 4203297

dec

Timing relays: T1 – T16

Table 6.51 Index 01 – Control byte

Data 1 Bit76543 2 1 0

FB output – – – – –

(1)

(1) Reset, the timing relay is reset (reset coil)

(2)

(2) Enable, the timing relay is started (trigger coil)

(3)

(3) Switch contact

Table 6.52 Telegram Structure

Byte Meaning Value (hex), sent by

Master Slave Master Slave

Attribute ID

Read 89 –

Write 8D –

0 Response:

Read successful – C2

Write successful – C1

Command rejected –

(2)

(2) Possible causes page 6-34

0 1 Type 8E 8E

1 2

Instance

(1)

(1) Pico provides 16 timing relays T1 to T16 for use as required. These can be addressed using the instance (0 – F).

00 – 0F 00 – 0F

2 3 Index Table 6.53 Table 6.53

3 – 6 4 – 7 Data 1 – 4 depending on

index,

Table 6.54

depending on

index,

Table 6.54

1 2 ... 66 67 68 69 70 71 72 73 74 75 76 ... 167 168

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