E5CD-RX2ABM-000 datasheet(44/56 Pages) OMRON

44 / 56 page

E5CD/E5ED

Be sure to observe the following precautions to prevent operation

failure, malfunction, or adverse affects on the performance and

functions of the product. Not doing so may occasionally result in

unexpected events. Do not handle the Digital Temperature Controller

in ways that exceed the ratings.

1. The product is designed for indoor use only. Do not use or store

the product outdoors or in any of 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 Digital Temperature Controller within the rated

ambient temperature and 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. Always check the terminal names and polarity and be sure to wire

properly.

5. To connect bare wires, use copper stranded or solid wires.

To prevent smoke emission and fire in the wiring material, check

the rating of the wire and use the wire in the table below.

Recommended Wires

Use the specified size of crimped terminals to wire the E5CD or

E5ED.

Crimp Terminal Sizes

For the E5

@D-B (Push-In Plus model), connect only one wire to

each terminal.

For the E5CD/E5ED (Screw model), up to two wires of same size

and type, or two crimp terminals, can be inserted into a single

terminal.

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

7. To avoid inductive noise, keep the wiring for the Digital

Temperature Controller's terminal block away from power cables

that carry high voltages or large currents. Also, do not wire power

lines together with or parallel to Digital Temperature Controller

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 Digital Temperature Controller.

Allow as much space as possible between the Digital Temperature

Controller and devices that generate powerful high frequencies

(high-frequency welders, high-frequency sewing machines, etc.)

or surge.

8. Use the Digital Temperature Controller within the rated load and

power supply.

9. Make sure that the rated voltage is attained within 2 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.

10.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.

11.When using adaptive control, turn ON power for the load (e.g.,

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

Digital Temperature Controller. If power is turned ON for the Digital

Temperature Controller before turning ON power for the load,

tuning will not be performed properly and optimum control will not

be achieved.

12.During tuning,* ensure that the power for the load (e.g., heater) is

ON. If the power supply to the load (e.g., heater) is not turned ON

during tuning, tuning results will not be calculated correctly and it

will not be possible to achieve optimum control.

* “Tuning” refers to the following functions: AT, adaptive control, automatic

filter adjustment, and water-cooling output adjustment.

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

Temperature Controller. The switch or circuit breaker must be

within easy reach of the operator, and must be marked as a

disconnecting means for Digital Temperature Controller.

14.Wipe off any dirt from the Digital Temperature Controller with a soft

dry cloth. Never use thinners, benzine, alcohol, or any cleaners

that contain these or other organic solvents. Deformation or

discoloration may occur.

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

of delay in setting the Digital Temperature Controller’s output after

the power supply is turned ON.

16.The output will turn OFF when you move to the Initial Setting

Level. Take this into consideration when performing control.

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

Therefore, use RAM write mode when frequently overwriting data,

e.g., through communications.

18.Always touch a grounded piece of metal before touching the

Digital Temperature Controller to discharge static electricity from

your body.

19.Use suitable tools when taking the Digital Temperature Controller

apart for disposal. Sharp parts inside the Digital Temperature

Controller may cause injury.

20.Install the DIN Track vertically to the ground.

21.Observe the following precautions when drawing out the body of

the Digital Temperature Controller.

• Follow the procedure given in Drawing Out the Interior Body of

the Digital Temperature Controller to Replace It

on page 47.

• Turn OFF the power supply before you start and never touch nor

apply shock to the terminals or electric components.

When you insert the interior body of the Digital Temperature

Controller, do not allow the electronic components to touch the

rear case.

• When you insert the interior body into the rear case, confirm that

the hooks on the top and bottom are securely engaged with the

case.

• If the terminals are corroded, replace the rear case as well.

22.For the power supply voltage input, use a commercial power

supply with an AC input. Do not use the output from an inverter as

the power supply. Depending on the output characteristics of the

inverter, temperature increases in the product may cause smoke

or fire damage even if the product has a specified output frequency

of 50/60 Hz.

23.Do not continue to use the Digital Temperature Controller if the

front surface peels.

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

specifications and use the specified communications cable. Refer

to the E5D Digital Temperature Controllers User's Manual (Cat.

No. H224) for information on the communications distances and

cables for the E5D.

25.Do not turn the power supply to the Digital Temperature Controller

ON or OFF while the USB-Serial Conversion Cable is connected.

The Digital Temperature Controller may malfunction.

Precautions for Safe Use

Model

Recommended wires

Stripping length

E5CD/E5ED

(Screw Terminal Blocks)

AWG24 to AWG18

(0.21 to 0.82 mm2)

6 to 8 mm

@D-B (Push-In Plus

Terminal Blocks)

0.25 to 1.5 mm2

(equivalent to AWG24 to

AWG16)

Ferrules not used:

8 mm

Model

Crimp terminal size

E5CD or E5ED

M3, Width: 5.8 mm max.

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