2.10.5 Input filter time constant

You can set the input section's built-in filter constant for an external voltage or current frequency setting signal.

Effective for eliminating noise in the frequency setting circuit.

Parameter

Name

Factory Setting

Setting Range

Remarks

74

Input filter time

1

0 to 8

Setting is enabled when

constant

Pr. 30 = "1"

 

 

 

REMARKS

Increase the filter time constant if steady operation cannot be performed due to noise. A larger setting results in slower response. (The time constant can be set between approximately 1ms to 1s with the setting of 0 to 8. A larger setting results in a larger filter time constant.)

2.10.6 Reset selection/PU stop selection

You can make reset input acceptance selection and choose the stop function from the operation panel (PU).

Reset selection : You can choose the reset function input (RES signal) timing.

PU stop selection: When an alarm etc. occurs in any operation mode, you can make a stop from the operation panel by pressing the

 

 

RESETSTOP

key.

 

 

 

 

 

 

 

 

 

Parameter

Name

 

Factory

 

Setting

Remarks

 

Setting

 

Range

 

 

 

 

 

75

Reset selection/

 

 

14

 

0, 1,

Setting is enabled when Pr. 30 = "1"

PU stop selection

 

 

14, 15

<Setting>

Pr. 75

Reset Selection

PU Stop Selection

Setting

 

 

0

Reset input normally enabled.

The PU stop key is invalid. Note that the RESETSTOP

1

Enabled only when the protective

key is valid only in the PU operation mode or

function is activated.

combined operation mode (Pr. 79 = "4").

 

14

Reset input normally enabled.

Pressing the RESETSTOP key decelerates the

15

Enabled only when the protective

inverter to a stop in any of the PU, external and

function is activated.

communication operation modes.

 

94

Page 103
Image 103
Mitsubishi FR - S500 instruction manual Input filter time constant, Reset selection/PU stop selection, Setting Remarks