Rockwell Automation 2706-LV2P_LV2R_LV4P_LV4R DL40 PLUS USER MANUAL User Manual

Page 181

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Remote I/O Application Examples

E–10

Publication 2706-807

Block Transfer Message Triggering - PLC5 Example Program
(Message List Run Mode)

Note: If Block Transfer DIP Switch (Switch 2–4) is enabled, all
exchanges between the PLC & DL40 Plus must be Block Transfers.

Switch 2–4 on DL40 Plus must be enabled. Special messages should be triggered only as priority messages.
They should not be added to the message list.

Block Transfer Read
Module Type

Generic Block Transfer

Rack

001

Group

0

Module

0

Control Block

N11:0

Data File

N9:0

Length

13

Continuous

No

BTR

0000

0001

BTR_ENABLE

N11:0

BTW_ENABLE

N11:5

15

15

Block Transfer Write
Module Type

Generic Block Transfer

Rack

001

Group

0

Module

0

Control Block

N11:5

Data File

N9:20

Length

13

Continuous

No

BTW

BTW_ENABLE

N11:5

BTR_ENABLE

N11:0

15

15

<DN>

<EN>

<ER>

<EN>

<DN>

<ER>

Move
Source

1

1<

Dest

N9:3

0<

0002

Bit Field Distributor
Source

N9:3

0<

Source Bit

0

Dest

N9:20

9097<

Dest Bit

13

Length

1

BTD

0003

Enter Add/Delete Bit here:
Format: 0 = Delete Message from Message List

1 = Add Message to Message List

In Message List Mode, Word 1, Bit 15 of the Block Transfer Write corresponds
to the Add/Delete Bit. This tells the DL40 to add the message or delete the
message from the list.

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