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Description of parameters
3.4.3 Input terminal function selection (Pr. 3 to Pr. 7)
(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.
Use the following parameters to select/change the input terminal functions.
Parameter
Number
Name
Initial
Value
Initial Signal
Setting
Range
3 ROH terminal function selection 5 ROH (ROH inrush resistance overheat detection)
0 to 5, 9999
4 SOF terminal function selection 0 SOF (converter stop)
5 X1 terminal function selection 1 X1 (monitor switching)
6 X2 terminal function selection 2 X2 (monitor switching)
7 RES terminal function selection 3 RES (converter reset)
Setting
Signal
Name
Function
Related
Parameters
Refer to
page
0 SOF Converter stop
Turning ON this signal stops the converter.
Operation can be changed using Pr. 8.
Pr. 8
1 X1 Monitor switching 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.
Pr. 50, Pr. 52,
Pr. 54
86
2 X2 Monitor switching
3 RES Converter reset Turning ON this signal resets the converter.
4OH
External thermal relay
input
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.
Pr. 9
5ROH
ROH inrush resistance
overheat detection
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.
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.
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