Rockwell-automation 1785-Lx0C15 ControlNet PLC-5 Programmable Controll Manual de usuario Pagina 81

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1785-UM022C-EN-P - February 2008
Chapter 4
Programming Your
ControlNet System
Using This Chapter
Using ControlNet
Message Instructions
You can use the Message (MSG) instruction and the MG data type to
send message commands over the ControlNet system within the local
ControlNet link:
PLC-5 TYPED WRITE
PLC-5 TYPED READ
PLC-3 WORD RANGE READ
PLC-3 WORD RANGE WRITE
PLC-2 UNPROTECTED READ
PLC-2 UNPROTECTED WRITE
Use your programming software to go to the instruction entry for
message block screen.
Topic Page
ControlNet message instructions 4-1
ControlNet I/O transfer instructions 4-3
ControlNet immediate data input and output instructions 4-6
Using Selectable Timed Interrupts (STIs) in a program on a
ControlNet network
4-9
Recovering from Major Fault Codes 200 and 201 4-9
If you want to: Do this:
change the command
type
Select one of the following:
PLC-5 TYPED WRITEto select a write operation
to another PLC-5 processor
PLC-5 TYPED READ—to select a read operation
from another PLC-5 processor
PLC-3 WORD RANGE READ—to select a write
operation to another PLC-3 processor
PLC-3 WORD RANGE WRITE—to select a read
operation from another PLC-3 processor
PLC-2 UNPROTECTED READ—to select a write
operation to another PLC-2 processor
PLC-2 UNPROTECTED WRITE—to select a read
operation from another PLC-2 processor
enter a PLC-5 data
table address
Type the PLC-5 data table address.
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