Mitsubishi FX2N-10GM Hardware / Programming Manual page 100

FX Series Positioning Controllers
When PARA. 30 is set to "2", attach 50 V, 0.1 A diodes to the digital switch to prevent revolving
paths.
The DSW data to specify the program No. to be executed is automatically read immediately
after the START command is given even if the EXT instruction is not given.
Specifying the program No. from a general programmable controller
When specifying the program No. from any programmable controller other than an FX
Series unit, perform the following procedure. (When an FX
the program No. can be specified via communication with the buffer memory.)
Example: When the programmable controller is an A Series unit.
Example of parameter settings in the positioning unit.
PARA. 30 Setting: 1
PARA. 31 X0 (X0 to X3)
PARA. 32 Y0
PARA. 33 20msec
A series program
X10
D0
MOV
/FX Series unit is connected,
2N 2NC
K1Y20
Enter the program No.
4-24
Parameters 4
/FX
2N 2NC