KEYENCE IG Series - Manual (Page 5)

3 IG-E
Warm Up
To use the unit, wait more than 10 minutes after the power is turned on for the circuits to
stabilize. The displayed value may gradually drift during this time period.
Power ON Reset
Measurement starts approx. 2.5 seconds after the power is turned on. Furthermore, the
judgment output is turned on after the number of times for averaging (response time)
elapses.
Power source
• Noise superimposed on the power supply may cause malfunction. Use a direct current
stabilized power source which uses an insulation transformer.
• When using a commercially available switching regulator, make sure to ground the frame
ground terminal.
The IG Series conforms to the CE Marking. Applicable standards are as follows:
• EMC Directives
EMI : EN60947-5-2 (class A)
EMS : EN60947-5-2
• Low-voltage Directives
EN60825-1
The IG Series complies with the following UL/CSA standards and has obtained the UL/C-
UL certifications.
• Applicable standards UL508 Industrial Control Equipment
CAN/CSA C22.2 No.14-M05 Industrial Control Equipment
• UL File No. E301717
• UL category NRKH, NRKH7
Precautions
• For the IG Series power supply, be sure to use the UL Listing certified power supply that
provides class 2 output as defined in NFPA70 (NEC: National Electrical Code) in the
U.S.A.
• The IG Series has obtained the UL certification with the combination of the sensor head
and sensor amplifier. Make sure to use the IG Series sensor head together with the IG
Series sensor amplifier.
• Power supply/Control input/Control output shall be connected to a single Class2 source
only.
• Use with over current protection device which is rated 30V or more and not more than
1A.
Other Precautions
CE Marking
Precautions on UL Certificate