Mitsubishi Electric MELSEC FX2NC-16MT-D/UL Hardware Manual page 100

FX2NC Series Programmable Controllers
3) Interlock
For loads such as forward/reverse contactors, etc.,
where a hazardous condition could result if switched
ON simultaneously, an external interlock should be
provided for inter locking t he P LC's inter nal
programs as shown to the right.
4) In-phase
PLC output contacts (*) should be used in an "in-
phase" manner.
Inter- Limit of normal
lock rotation
PLC output
contact
Limit of reverse
PLC output
rotation
contact
*
Bad
*
Good
*
Outputs 6.
*
6-10