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CP 521
6.6.6
Deleting the Message Buffer (Job 70
When instructed by the CPU, the CP 521 deletes all CPU jobs stored in the message
buffer.
You can delete the message buffer in two ways:
•
In the user program
•
In RUN mode with the "FORCE VAR" programmer function
Operator inputs required
Specify job 70H in byte 0.
Example:
Deleting the message buffer with the "FORCE VAR" programmer
function
The module is installed in slot 7 (initial address 120).
Operand
Signal States
QB 120
KH= 7000
GWA 4NEB 812 6030-02b
)
H
Meaning
Job: "Delete message buffer"
Print Mode
6-55
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