Omron E5AR User Manual page 10

Precautions for Safe Use
1. Use and store the product within the specified ambient temperature and
humidity ranges. If several products are mounted side-by-side or arranged
in a vertical line, the heat dissipation will cause the internal temperature of
the products to rise, shortening the service life. If necessary, cool the prod-
ucts using a fan or other cooling method.
2. Provide sufficient space around the product for heat dissipation. Do not
block the vents on the product.
3. Use the product within the noted supply voltage and rated load.
4. Be sure to confirm the name and polarity for each terminal before wiring
the terminal block and connectors.
5. Do not connect anything to unused terminals.
6. Use the specified size of crimp terminals (M3, width: 5.8 mm max.) for wir-
ing the terminal block.
7. To connect bare wires to the terminal block, use AWG22 to AWG14 (cross-
sectional area: 0.326 to 2.081 mm
AWG28 to AWG16 (cross-sectional area: 0.081 to 1.309 mm
terminals. (Length of exposed wire: 6 to 8 mm)
8. Ensure that the rated voltage is achieved no longer than 2 s after turning
the power ON.
9. Turn OFF the power first before drawing out the product. Never touch the
terminals or the electronic components, or subject them to physical shock.
When inserting the product, do not allow the electronic components to con-
tact the case.
10. Do not remove the inner circuit board.
11. Output turns OFF when shifting to the initial setting level in certain modes.
Take this into consideration when setting up the control system.
12. Allow the product to warm up for at least 30 minutes after the power is
turned ON.
13. Install surge absorbers or noise filters in devices near the product that gen-
erate noise (in particular, devices with an inductance component, such as
motors, transformers, solenoids, and magnetic coils). If a noise filter is
used for the power supply, check the voltage and current, and install the
noise filter as close as possible to the product. Separate the product as far
as possible from devices generating strong high-frequency noise (e.g.,
high-frequency welders and high-frequency sewing machines) or surges.
Do not tie noise filter input/output wires together.
14. Keep the wiring for the product's terminal block and connector separate
from high-voltage, high-current power lines to prevent inductive noise. Do
not run the wiring parallel to or in the same cable as power lines. The influ-
ence of noise can also be reduced by using separate wiring ducts or shield
lines.
15. Install an external switch or circuit breaker and label them clearly so that
the operator can quickly turn OFF the power.
2
) to wire the power supply terminals and
2
) for other
xi