Mitsubishi Electric fr-e700 series, Instruction Manual

Page: 274 / 608

Function assignment of external terminals Parameter
6 - 120
MRS signal logic inversion
When Pr. 17 is set to "2", the MRS signal (output stop) can be changed to the normally closed (NC con-
tact) input specification. When the MRS signal turns on (opens), the inverter shuts off the output.
Assign a different action for each MRS signal input from communication and external terminal
(Pr. 17 = 4)
When Pr. 17 is set to "4", the MRS signal from external terminal (output stop) can be changed to the
normally closed (NC contact) input, and the MRS signal from communication can be changed to the
normally open (NO contact) input.
This function is useful to perform operation by communication with MRS signal from external termi-
nal remained on.
Fig. 6-52:
Connection of the MRS signal in source logic
I000011C
External MRS Communication MRS
Pr. 17
0 2 4
OFF OFF Operation enabled Output shutoff Output shutoff
OFF ON Output shutoff Output shutoff Output shutoff
ON OFF Output shutoff Output shutoff Operation enabled
ON ON Output shutoff Operation enabled Output shutoff
Tab. 6-28: Activating the output shutoff by external signal or communication
NOTES
For MRS signal, assign the function by setting "24" to any of Pr. 178 to Pr. 184 "Input terminal func-
tion selection".
When using an external terminal to input the MRS signal, the MRS signal shuts off the output in
any of the operation modes.
Changing the terminal assignment using Pr. 178 to Pr. 184 "Input terminal function selection" may
affect the other functions. Make setting after confirming the function of each terminal.
Pr. 17 = 0
Pr. 17 = 2