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Rockwell Automation 2706-LV2P_LV2R_LV4P_LV4R DL40 PLUS USER MANUAL User Manual

Page 179

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Remote I/O Application Examples

E–8

Publication 2706-807

Triggering Messages with Variables Using Discrete I/O –
PLC5 Programming Example (Message List Run Mode)

PLC5 at Rack #1, Group #0, – 1/4 Rack
Enter Priority Message Number to Trigger Here:
(In Message List mode a priority message occupies the lower 12 bits of
work 0 in the output image table. A special message should be triggered
only as a priority message.

Move
Source

905

905<

Dest

N9:10

905<

MOV

0000

Bit Field Distributor
Source

N9:10

905<

Source Bit

0

Dest

N9:20

905<

Dest Bit

0

Length

12

BTD

0001

Masked Move
Source

N9:20

905<

Mask

0FFFH

4095<

Dest

O:010

0<

MVM

0002

Move
Source

1

1<

Dest

N9:2

1<

MOV

0003

0004

# Enter Add/Delete Bit Here:
Format: 0 = Bit clear, delete message

1 = Bit set, add message to message list

(The Add/Delete bit is in word 0, bit 15 of the output image
table. This determines whether the message is added to or
deleted from the message list.)

Bit Field Distributor
Source

N9:2

1<

Source Bit

0

Dest

O:010

0<

Dest Bit

13

Length

1

BTD