Mitsubishi Electric CR800 Series Instruction Manual page 56

6 Parameter Setting
In this way, in the case of connection to channel 3, the data of robot CPU1 and robot CPU2 is stored in
"M_Enc(3)".
The data of robot CPU3 is stored in"M_Enc(6)" because parameter ENCUNIT2 is specified.
It is useful to change parameter EXTENC when confirming the encoder value by using "M_Enc(1)"and
encoder value 1.
Common control to "M_Enc(1)" by parameter EXTENC
In the setting of the robot CPU1 and CPU2, change the first element of a parameter EXTENC into "3" from
"1".
6-44 Tracking Parameter Setting