Tsuruga 471C, Quick Manual, Page: 11 / 52

471C
9
Wiring method
Remove the terminal base cover of the rear side terminal and conduct the wiring. Make sure
that the terminal base cover is attached after wiring. If both options of comparison output and
analog output are used, first complete the wiring of the comparison output and then start the
wiring of analog output.
Notes for wiring
!
Warning

To avoid an electrical shock, turn the power off when wiring.

Do not conduct wiring at moistened place or by wetted hands. There may
be risk of electric shock.

Do not touch the terminals when turning the power on. There may be risk
of electric shock.
!
Caution

Power supply and load should be within the suitable range as prescribed
in specification. Negligence may cause the damage of products.

Power supply should reach the rated power within a second.

After the power is OFF, pause more than 10 seconds before the power ON
again.

Do not use the product with wrong wiring. It may be the cause of product
damage.
◆ Others caution during wiring

Always use input line and power line independently. If input line and power line are wired in
parallel, it may cause an in stability of the display.

When the auxiliary relay is operated by the relay output to run the electro- magnetic switch
or big size relay, take the noise preventive measures.
In case that the noise is frequently occurred, it will be effective to store the product in the
shielded housing or to insert the power source line filter or insulated transformer.