4. PLC interface MCP1
32
Festo GDCP-CMXR-F-EN 0909a
Signal curve for starting program
Min. one prg. loaded
SREG2.B6 RUNNING
1
Requirements:
ACK and NACK = 0
2
Rising edge at START
starts the new program
number N
”
Condition:
Program loaded and can be
started.
3
The START output must
carry 1-signal for as long as
it takes until the ACK input
also reports 1-signal.
4
As soon as NACK = 1 has
been recognised by the
PLC, it may reset START 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
Load/reset Ack
SREG2.B4 ACK
Start the program
CREG2.B5 START
Req. prg number
Output data
4.4.14
Stopping the program
The previously started program is interrupted and ended. When only one program can be
started, a program number is not required for stopping.
Condition
Control sovereignty on PLC interface.
The program to be stopped has started.
Activity
Set the CREG.STOP bit (rising edge).
Wait for Acknowledge SREG.ACK or Not Acknowledge
SREG.NACK.
Reaction
The program will be stopped.
In the event of an error, SREG.ERROR is set.
Содержание CMXR-C1
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