Omron EJ1 User Manual page 10

15) Use a switch, relay, or other device with contacts to turn OFF the power supply quickly. Gradually lowering
the voltage of the power supply may result in incorrect outputs or memory errors.
16) Do not touch the electronic components with your hands or subject them to shock when removing the
terminal block.
17) Connect only the specified number of products in only a specified configuration.
18) Mount the product to a DIN Rail mounted vertically to the ground.
19) Always turn OFF the power supply before wiring the product, replacing the product, or changing the
product configuration.
20) Attach the enclosed cover seal to the connector opening on the left end Unit during installation.
21) Do not use port B on the End Unit when using port C on the HFU.
xi