4. PLC interface MCP1
Festo GDCP-CMXR-F-EN 0909a
29
Signal curves: Loading a further program with positive confirmation:
Min. 1 prg. loaded
SREG2.B7 LOADED
1
Requirements:
ACK and NACK = 0
2
Rising edge at “Load
program” loads the new
program number N
”
Condition:
Program is error free and
can be loaded.
3
The LOAD output must
carry 1-signal for as long as
it takes until the ACK input
also reports 1-signal.
4
As soon as ACK = 1 has
been recognised by the
PLC, it may reset LOAD to 0.
The CMXR reacts with a
falling edge at ACK.
5
As soon as ACK = 0 has
been recognised by the
PLC, the controller is ready
for a new job.
Acknowledge
SREG2.B5 NACK
Acknowledge
SREG2.B4 ACK
Load the program
CREG2.B7 LOAD
Req. prg number
Output data
Содержание CMXR-C1
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