E5CC-RX2ASM-802 datasheet(30/36 Pages) OMRON

30 / 36 page

E5CC/E5EC-800

Be sure to observe the following precautions to prevent malfunction

or adverse affects on the performance or functionality of the product.

Not doing so may occasionally result in faulty operation.

1. This product is specifically designed for indoor use only.

Do not use this product in the following places:

• Places directly subject to heat radiated from heating equipment.

• Places subject to splashing liquid or oil atmosphere.

• Places subject to direct sunlight.

• Places subject to dust or corrosive gas (in particular, sulfide gas

and ammonia gas).

• Places subject to intense temperature change.

• Places subject to icing and condensation.

• Places subject to vibration and large shocks.

2. Use and store the product within the rated ambient

temperatureand humidity.

Gang-mounting two or more Digital Temperature Controllers, or

mounting Digital Temperature Controllers above each other may

cause heat to build up inside the Digital Temperature Controllers,

which will shorten their service life. In such a case, use forced

cooling by fans or other means of air ventilation to cool down the

Digital Temperature Controllers.

3. To allow heat to escape, do not block the area around the Digital

Temperature Controller.

Do not block the ventilation holes on the Digital Temperature

Controller.

4. Be sure to wire properly with correct polarity of terminals.

5. Use the specified size of crimp terminals for wiring (M3, width of

5.8 mm or less). For open-wired connections, use stranded or

solid copper wires with a gauge of AWG24 to AWG18 (equal to a

crosssectional area of 0.205 to 0.823 mm2). (The stripping length

is 6 to 8 mm.) Up to two wires of the same size and type or two

crimp terminals can be connected to one terminal. Do not connect

more than two wires or more than two crimp terminals to the same

terminal.

6. Do not wire the terminals that are not used.

7. Use a commercial power supply for the power supply voltage input

to a Digital Temperature Controller with AC input specifications.

Do not use the output from an inverter as the power supply.

Depending on the output characteristics of the inverter,

temperature increases in the Digital Temperature Controller may

cause smoke or fire damage even if the inverter has a specified

output frequency of 50/60 Hz.

8. To avoid inductive noise, keep the wiring for the product’s terminal

block away from power cables carry high voltages or large

currents. Also, do not wire power lines together with or parallel to

product wiring. Using shielded cables and using separate conduits

or ducts is recommended.

Attach a surge suppressor or noise filter to peripheral devices that

generate noise (in particular, motors, transformers, solenoids,

magnetic coils, or other equipment that have an inductance

component).

When a noise filter is used at the power supply, first check the

voltage or current, and attach the noise filter as close as possible

to the product.

Allow as much space as possible between the product and

devices that generate powerful high frequencies (high-frequency

welders, high-frequency sewing machines, etc.) or surge.

9. Use this product within the rated load and power supply.

10.Make sure that the rated voltage is attained within two seconds of

turning ON the power using a switch or relay contact. If the voltage

is applied gradually, the power may not be reset or output

malfunctions may occur.

11.Make sure that the Digital Temperature Controller has 30 minutes

or more to warm up after turning ON the power before starting

actual control operations to ensure the correct temperature

display.

12.When executing self-tuning, turn ON power to the load (e.g.,

heater) at the same time as or before supplying power to the

product. If power is turned ON to the product before turning ON

power to the load, self-tuning will not be performed properly and

optimum control will not be achieved.

13.A switch or circuit breaker must be provided close to the product.

The switch or circuit breaker must be within easy reach of the

operator, and must be marked as a disconnecting means for this

unit.

14.Use a soft and dry cloth to clean the product carefully. Do not use

organic solvent, such as paint thinner, benzine or alcohol to clean

the product.

15.Design the system (e.g., control panel) considering the 2 seconds

of delay that the product's output to be set after power ON.

16.The output may turn OFF when you move to the initial setting level.

Take this into consideration when performing control operations.

17.The number of non-volatile memory write operations is limited.

Therefore, use RAM write mode when frequently overwriting data

during communications or other operations.

18.Use suitable tools when taking the Digital Temperature

Temperature Controller apart for disposal. Sharp parts inside the

Digital Temperature Controller may cause injury.

19.Do not touch the external power supply terminals or other metal

parts on the Digital Temperature Controller.

20.Do not exceed the communications distance that is given in the

specifications. Use the specified communications cable.

Refer to the E5CC/E5EC Digital Controllers User’s Manual (Cat.

No. H174) for information on the communications distances and

cables.

21.Do not bend the communications cables past their natural bending

radius. Do not pull on the communications cables.

22.Connectors may be damaged if they are inserted with excessive

force. When connecting a connector, always may sure that it is

oriented correctly. Do not force the connector if it does not connect

smoothly.

23.Do not exceed the communications distance that is given in the

specifications. Use the specified communications cable.

Refer to the E5CC/E5EC Digital Controllers User’s Manual (Cat.

No. H174) for information on the communications distances and

cables.

24.Do not bend the communications cables past their natural bending

radius. Do not pull on the communications cables.

Precautions for Safe Use

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