● Follow instructions in 'Proper Usage'. Otherwise, It may cause unexpected accidents.
● 24-48VDC, 24VAC power supply should be insulated and limited voltage/current or Class 2, SELV power supply device.
● Use the product, 0.1 sec after supplying power.
● When supplying or turning off the power, use a switch or etc. to avoid chattering.
● Install a power switch or circuit breaker in the easily accessible place for supplying or disconnecting the power.
● In case of contact input, set count speed to low speed mode (1cps or 30cps) to operate.
If set to high speed mode (2kcps or 5kcps), counting error occurs due to chattering.
● Keep away from high voltage lines or power lines to prevent inductive noise.
In case installing power line and input signal line closely, use line filter or varistor at power line and shielded wire at input signal line.
Do not use near the equipment which generates strong magnetic force or high frequency noise.
● This product may be used in the following environments.

① Indoors (in the environment condition rated in 'Specifications')
② Altitude max. 2,000m
③ Pollution degree 2
④ Installation category II