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Input Terminal Function Selection (pr. 3 To Pr. 7) - Mitsubishi Electric FR-HC2-7.5K Instruction Manual

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Description of parameters
3.4.3

Input terminal function selection (Pr. 3 to Pr. 7)

Use the following parameters to select/change the input terminal functions.
Parameter
Number
3
ROH terminal function selection
4
SOF terminal function selection
5
X1 terminal function selection
6
X2 terminal function selection
7
RES terminal function selection
(1) Input terminal function assignment
 Use Pr. 3 to Pr. 7 to set the functions of the input terminals.
 Refer to the following table and set the parameters.
Signal
Setting
Name
0
SOF
Converter stop
1
X1
Monitor switching
2
X2
Monitor switching
3
RES
Converter reset
External thermal relay
4
OH
input
ROH inrush resistance
5
ROH
overheat detection
9999
No function
REMARKS
 The signals other than the ROH signal can be assigned to two or more terminals. In this case, the logic of terminal input is OR.
If the ROH signal, which is assigned to several terminals, turns OFF once, the converter remains tripped until the ROH signal
turns ON at all the terminals.
NOTE
Changing the terminal assignment using Pr. 3 to Pr. 7 (input terminal function selection) may affect the other functions. Set
parameters after confirming the function of each terminal.
76
Initial
Name
Value
5
0
1
2
3
Function
Turning ON this signal stops the converter.
Operation can be changed using Pr. 8.
Monitor item at PU (operation panel and parameter unit)
and terminals FM and AM can be switched by a
combination of ON/OFF of these signals.
Turning ON this signal resets the converter.
The signal is input from the external thermal relay.
Turning ON the signal stops the converter operation.
(E.OHT)
Operation can be changed using Pr. 9.
The ROH signal turns OFF and the converter trips
(E.IOH) when overheating from the inrush resistance
occurs or the filter capacitor (FR-HCC2) is detected to
be swollen .
 Filter capacitor alarm detector is only available for 560K.
Initial Signal
ROH (ROH inrush resistance overheat detection)
SOF (converter stop)
X1 (monitor switching)
X2 (monitor switching)
RES (converter reset)
Setting
Range
0 to 5, 9999
Related
Refer to
Parameters
page
Pr. 8
Pr. 50, Pr. 52,
86
Pr. 54
Pr. 9

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