-ERMS(Energy Reduction Maintenance Setting) is a function to reduce the ARC energy to ensure
workers' safety. When using the ERMS function, the instantaneous setting value is set to the
minimimum setting value(2*In) regardless of the real setting.
-ERMS function is available via digital input.
-ERMS function is available only when there is external power.(A,P,S type OCR)
[P/S Type OCR]
■ Diagram
EM1 EM2
-To use the ERMS fuction, short both ends of ERMS terminal(EM1,EM2)
■ ERMS display screen in OCR
[A Type OCR]
[Normal status]
[ERMS application status] [Normal status] [ERMS application status]
2. ERMS(Energy reduction maintenance settings) function
O. Other operation
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■ ‘ERMS’ is displayed on the LCD during ERMS
operation.
■ LCD backlight blinks every 1 seconds during
ERMS operation
■ ‘ERMS’ is displayed on the LCD during ERMS
operation.
■ During ERMS operation, ‘Alram LED’ blinks 7 times
per second at the same interval.
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