S8AS datasheet(23/26 Pages) OMRON

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S8AS

Safety Precautions

Refer to Safety Precautions for All Power Supplies.

!CAUTION

Precautions for Safe Use

Mounting

• The long-term reliability of the S8AS can be increased by installing

it properly and providing sufficient heat dissipation. Use the S8AS

within the derating curve. The S8AS is designed to radiate heat by

means of natural air circulation. Provide appropriate space as

shown below to allow air flow around the Power Supplies.

• Poor heat dissipation resulting from improper installation

conditions may occasionally deteriorate or damage internal parts

and also cause the maintenance forecast monitor function to not

operate properly. Do not use any mounting orientation other than

a standard one.

• Poor heat dissipation may deteriorate or damage internal parts. Do

not loosen the screws on the side of the Product.

• Do not allow any pieces of metal or conductors, or any clippings or

cuttings resulting from installation work to enter the Product.

Attachment to the DIN Rail

To mount the block on a DIN Rail, until

it makes a clicking sound, pull down

the Rail stopper hook portion (A) of the

Block onto the Rail, and press the

Block in direction (B) to lock it in place.

To dismount the Block, pull down

portion (C) with a flat-blade

screwdriver and pull out the Block.

Wiring

• Connect the ground completely. The ground is a protective earth

(PE) terminal specified in safety standards. If the ground is not

connected completely, electric shock or malfunction may occur.

• Minor fire may possibly occur. Ensure that input and output

terminals are wired correctly.

• Heat generated by wiring materials may cause the temperature of

internal parts to increase, which may result in deterioration of or

damage to the internal parts. Select the wiring materials according

to the current that is being used. Using the wiring materials, torque,

and wire stripping lengths in the following table is recommended to

prevent smoke or fire of the wire material due to an abnormal load.

Recommended Wire Diameter

Minor electric shock, fire, or Product failure may

occasionally occur. Do not disassemble, modify, or repair

the Product or touch interior of the Product.

Minor burns may occasionally occur. Do not touch the

Product during power is being supplied or immediately

after power is turned OFF.

Minor injury may occasionally occur due to electrical

shock. Do not touch the terminals while power is being

supplied. Also, be sure to close the terminal cover after

wiring the terminals.

Fire may occasionally occur. Tighten terminal screws to

the specified torque.

20 mm min.

75 mm

min.

75 mm

min.

Air flow

Yrs

°C

S8AS-24006

POWER SUPPLY

-V

Class2

OUTPUT

DC 24V 3.8A

50/60Hz AC100-240V 3.8A

INPUT

COM

TMP

TRG

LFE

LOW

TRP

+ 5

+ 4

+ 3

+ 2

+ 1

+ 6

- 5

- 4

- 3

- 2

- 1

- 6

V.ADJ

DC ON

Yrs

°C

S8AS-24006

POWER SUPPLY

-V

Class2

OUTPUT

DC 24V 3.8A

50/60Hz AC100-240V 3.8A

INPUT

COM

TMP

TRG

LFE

LOW

TRP

+ 5

+ 4

+ 3

+ 2

+ 1

+ 6

- 5

- 4

- 3

- 2

- 1

- 6

V.ADJ

DC ON

Terminals

Name

Recommended

wire diameter

Wire

type

Torque

Wire

stripping

length

Screw

terminals

AC input

terminals and

protective

earth (PE)

terminal

AWG14 to 16

(cross-sectional

area of 0.823 to

2.081 mm2)

Solid or

stranded

9.6 in.lb.

(1.08 N·m)

8 to

10 mm

Branch output

terminals (

−),

UL Standard

AWG12 to 14

(cross-sectional

area of 2.081 to

3.309 mm2)

Solid or

stranded

12 in.lb.

(1.36 N·m)

8 to

10 mm

Branch output

terminals (

−),

CSA Standard

AWG12 to 20

(cross-sectional

area of 0.517 to

3.309 mm2)

Solid or

stranded

8.8 in.lb.

(1.0 N·m)

8 to

10 mm

Screwless

terminals

Branch output

positive

terminals, branch

output negative

terminals, I/O

signal terminals,

and

communications

terminals

AWG12 to 24

(cross-sectional

area of 0.2 to

2.5 mm2)

Solid or

stranded

---

10 mm

30 mm min.

Rail stopper

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