E5EN-R3ML-500-N datasheet(20/22 Pages) OMRON

20 / 22 page

Basic-type Digital Temperature Controller

E5AN/E5EN

Mounting

Mounting to a Panel

For waterproof mounting, waterproof packing must be installed on the

Controller. Waterproofing is not possible when group mounting

several Controllers. Waterproof packing is not necessary when there

is no need for the waterproofing function.

1. Insert the E5AN/E5EN into the square mounting hole in the panel

(thickness: 1 to 8 mm). Attach the Mounting Brackets provided with

the product to the mounting grooves on the top and bottom

surfaces of the rear case.

2. Use a ratchet to alternately tighten the screws on the top and

bottom Mounting Brackets little by little to maintain balance, until

the ratchet turns freely.

Mounting the Terminal Cover

Slightly bend the E53-COV16 Terminal Cover to attach it to the

terminal block as shown in the following diagram. The Terminal Cover

cannot be attached in the opposite direction.

Removing the Temperature Controller from the

Case

The Temperature Controller can be removed from the case to perform

maintenance without removing the terminal leads. This is possible for

only the E5CN, E5AN, and E5EN, and not for the E5CN-U. Check the

specifications of the case and Temperature Controller before

removing the Temperature Controller from the case.

1. Insert a flat-blade screwdriver into the two tool insertion holes (one

on the top and one on the bottom) to release the hooks.

2. Insert the flat-blade screwdriver in the gap between the front panel

and rear case (two on the top and two on the bottom), and use it to

pry and pull out the front panel slightly. Then, pull out on the front

panel gripping both sides. Be sure not to impose excessive force

on the panel.

3. When inserting the body of the Temperature Controller into the

case, make sure the PCBs are parallel to each other, make sure

that the sealing rubber is in place, and press the E5AN/E5EN

toward the rear case until it snaps into position. While pressing the

E5AN/E5EN into place, press down on the hooks on the top and

bottom surfaces of the rear case so that the hooks securely lock in

place. Make sure that electronic components do not come into

contact with the case.

Precautions when Wiring

• Separate input leads and power lines in order to prevent external

noise.

• Use wires with a gage of AWG24 (cross-sectional area:

0.205 mm2) to AWG14 (cross-sectional area: 2.081 mm2) twisted-

pair cable (stripping length: 5 to 6 mm).

• Use crimp terminals when wiring the terminals.

• Tighten the terminal screws to a torque of 0.74 to 0.90 N·m,

however the terminal screws on the E5CN-U must be tightened to

a torque of 0.5 N·m.

• Use the following types of crimp terminals for M3.5 screws.

• Do not remove the terminal block. Doing so will result in

malfunction or failure.

Mounting Bracket

(Accessory)

Mounting Bracket

(Accessory)

Panel

Waterproof

packing

(Accessory)

Waterproof

packing

(Accessory)

E53-COV16

Terminal Cover

(Accessory)

E5EN

E5AN

E53-COV16

Terminal Cover

(Accessory)

Slightly bend the

E53-COV16

Terminal Cover in

the direction shown

by the arrows to

attach it to the

terminal block.

E53-COV16

Terminal Cover

(Accessory)

(1)

(2)

(3)

(1)

(2)

(3)

Tool insertion

hole

Tool insertion

hole

E5AN

E5EN

7.2 mm max.

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