Rockwell Automation 1785 PLC-5 Manuel d'utilisateur Page 86

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Vue de la page 85
Instruction Set
Processor and Message 3-42
Processor control and message instructions continued...
Instruction Description
Message
MSG
Status Bits
TO - Time-Out Bit
EW - Enabled-Waiting Bit
CO - Continuous Bit
ER - Error Bit
DN - Done Bit
ST - Start Bit
EN - Enable Bit
If the input conditions go from false to true, the data is transferred according to the instruction
parameters you set when you enter the message instruction. The Control Block (MG10:10)
contains status and instruction parameters.
You cannot use N (integer) control blocks on the ControlNet network.
For continuous MSGs, condition the rung to be true for only one scan.
SEND/RECEIVE MESSAGE
Control block MG10:10
MSG
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