Mitsubishi Electric FR-D720S SC EC Instruction Manual page 240

Function assignment of external terminals
NOTES
Changing the terminal assignment using Pr. 178 to Pr. 182 may affect the other functions.
Please make setting after confirming the function of each terminal.
Same function can be assigned to two or more terminals. In this case, the logic of terminal
input is OR.
The priorities of the speed commands are in order of jog > multi-speed setting (RH, RM, RL,
REX) > PID (X14).
When the X10 signal (FR-HC, FR-CV connection - inverter operation enable signal) is not
set, the MRS signal shares this function.
When the PU operation external interlock (X12) signal is not assigned at the Pr. 79 "Opera-
tion mode selection" setting of "7", the MRS signal shares this function.
Use common terminals to assign multi-speeds (7 speeds) and remote setting. They cannot
be set individually. (Common terminals are used since these functions are designed for
speed setting and need not be set at the same time.)
When V/f control is selected by V/f switchover (X18 signal), second function is also selected
at the same time. Control between V/f and general-purpose magnetic flux can not be
switched during operation. In case control is switched between V/f and general-purpose
magnetic flux, only second function is selected.
Turning the AU signal on makes terminal 2 (voltage input) invalid.
Response time of each signal
The response time of the X10 signal and MRS signal is within 2ms.
The response time of other signals is within 20ms.
6 - 90
Parameter