Timing relays: t1 – t16 – Rockwell Automation 1760-DNET Pico DeviceNet Communications Module User Manual User Manual

Page 71

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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

Bit

7

6

5

4

3

2

1

0

FB output

RE

(1)

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

EN

(2)

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

Q1

(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

C0

(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

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