Datasheet

12
Determining the Model and Settings 1 / Sensing DC Mode
8) LED display
 POWER LED···Indicates the state of power input and sensor connection.
LED name
POWER
MAIN
SNSR
Illuminates when power is supplied (Green).
(Blinks when the power supply is irregular.)
Illuminates when the feedback sensor is connected (Green).
Function
 ION LED···Indicates the workpiece’s state of electrostatic charging.
LED name
ION
+
OK
–
Illuminates when the workpiece is positively charged (Orange).
Illuminates when the workpiece electrostatic potential is low (Green).
Illuminates when the workpiece is negatively charged (Blue).
Function
· The workpiece’s state of electrostatic charge can be checked by reading the LED displays.
 ALARM LED···Indicates abnormal states of the ionizer.
ALARM
HV
SNSR
NDL CHECK
Illuminates when an abnormal current flows through an electrode needle (Red).
Illuminates when the feedback sensor is not operating normally (Red).
Illuminates when electrode needle contamination is detected (Red).
(Blinks while the contamination is being detected.)
Positive
Negative







Light ON
 Blinking at 4 Hz
Light OFF
LED name Function
Workpiece
polarity
Workpiece electric
charge voltage
LED
+ OK –
+400 V or higher
+100 V to +400 V
+30 V to +100 V
Within ±30 V
–30 V to –100 V
–100 V to –400 V
–400 V or lower
Static electricity
removal completed
Series IZS31