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3.4.4
Operation selection of SOF signal and OH signal (Pr. 8, Pr. 9)
Operation of SOF signal can be changed by the Pr. 8 setting, and OH signal by the Pr. 9 setting.
Parameter
Name
Number
8
SOF input selection
9
OH input selection
<SOF signal input status and Pr. 8 setting for the converter operation >
SOF Signal Input Status
Virtual terminal
External
for CC-Link
terminal
communication
OFF
OFF
OFF
ON
ON
OFF
ON
ON
The converter does not operate at the Pr. 8 = "1" (NC contact) setting while FR-A7NC is not mounted. Set Pr. 8 = "2" (NC contact for external signals, NO
contact for CC-Link communication).
<OH signal input status and Pr. 9 setting for the converter operation >
OH Signal Input Status
(external terminal)
ON
OFF
Initial
Setting
Value
Range
0
0
1
2
0
0
1
Pr. 8 = 0 (NO contact)
Operation continues
Operation stops
Operation stops
Operation stops
Converter Operation
Pr. 9 = 0
Operation continues
Trips
Operation continues
Trips
Description of parameters
Description
Turning the SOF signal ON stops the converter operation.
(NO contact)
Turning the SOF signal OFF stops the converter operation.
(NC contact)
External signal: NC contact
CC-Link communication: NO contact
Turning the OH signal ON trips the converter. (NO contact)
Turning the OH signal OFF trips the converter. (NC contact)
Converter Operation
(External terminal: NC contact)
Pr. 8 = 1 (NC contact)
Operation stops
Operation stops
Operation stops
Operation continues
Pr. 9 = 1
Pr. 8 = 2
(Virtual terminal at CC-Link
communication: NO contact)
Operation stops
Operation stops
Operation continues
Operation stops
3
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