YASKAWA MP23 Series Manual page 16

 When the output is connected to a CPU built-in module input
Connect the CPU RUN output (interlock output) of the MP2000 module to another module
as an interlock signal, and after confirming that CPU RUN output of the MP2000 module is
turned ON, use the output of the other module. Any output before turning ON the CPU RUN
output is invalid.
<Power ON Sequence>
MP2000 module
power supply
① CPU RUN output
② Another module startup
③ Another module output
<Circuit Configuration Example>
Interlock output
SB000004
MP2000 module
SB00004：Normally the ON coil turns ON with proper operation of the CPU.
0B00000：Interlock output
OFF
OFF
<Application stop>
①
CPU RUN
OB00000
E-14
Another module
Starts up the system after
the interlock signal input is
turned ON (application
starts up)
②
Interlock signal
input
Input signal becomes
valid after this interlock
input signal is turned
ON.
③
ON
ON
Output valid