S8AS datasheet(16/26 Pages) OMRON

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S8AS

Run Mode

Run Mode is used for normal operation. When the power is turned ON

and the mode was Run Mode or Setting Mode the last time the input

power was turned OFF, the S8AS will start in Run Mode and

connecting the branch outputs will be started. Monitoring of voltages,

currents, replacement time, and temperature can be confirmed using

the Up Key and Down Key (

Note: 1. The S8AS will start in Run Mode when power is turned ON

for the first time after shipping from the factory.

2. Settings cannot be changed in Run Mode. Use Setting

Mode to change settings. (The setting for the S8AS-24006N

and S8AS-48008N can not be changed.)

3. If a startup sequence has been set, connections will be

started according to the set delays.

4. When moving to Run Mode, the branch output ON/OFF

status from before entering Run Mode will be maintained.

After testing branch output operation in Test Mode, always

turn ON the required branch outputs before moving to Run

Mode.

5. The voltage detection function monitors the voltage at the

power input terminals. Measure the voltage at the branch

output terminals to confirm that the output voltage is correct.

Status Indicators

The status indicators light according to the branch output status as

described below.

Clearing the Peak Output Currents

The peak output currents can be cleared. Select the peak output

current to be cleared in Run Mode and then use the following

operation.

(1) Output Voltage

(2) Total Output

Current

(3) Present Output

Current for

Branch Output 1

(4) Peak Current for

Branch Output 2

(5) Replacement

Time

(6) Internal

Temperature

Flashing

Yrs

°C

Yrs

°C

Yrs

°C

Yrs

°C

Yrs

°C

Yrs

°C

(Select the branch output with the

Down (CH) Key.))

(Select the branch output with the

Down (CH) Key.))

((1) Switches to output voltage display.)

(2) The total current for all outputs is displayed.

(6) Displays the internal temperature.

Press the Up (SEL) Key again to return to the

output voltage display and start the display

cycle again.

(1) When Run Mode is entered, the parameter

that was displayed the last time Run Mode

was used will be displayed.

The voltage output display is shown at the

left as an example.

(5) Displays the estimated number of years

until the replacement time.

(4) Press the Up (SEL) Key to display the peak

current for the branch output displayed in step 2

(e.g., branch output 2). The “A” unit indicator will

flash while the peak current is being displayed.

The peak current can be cleared by performing

the following procedure while the peak current is

being displayed.

1. Press the ENT Key.

2. Change the “NO” display to the “YES”

display using the Up (SEL) Key.

3. Press the ENT Key again.

(3) The output current of the last branch output

that was set will be displayed regardless of

the operating mode.

The current output of the branch output 1 is

shown at the left.

The current output of the branch output 2 is

shown by pressing the Down (CH) Key.

*The branch output number set with the Down

(CH) Key is stored in memory even when the

operating mode or parameters are changed.

The branch output displayed when Test Mode is

entered will not necessarily be branch output 1.

Lit green

Normal connection status

Flashing

green

Connection standby status during the startup

sequence

Lit red

Cutoff status for an abnormality

Flashing red

Cutoff status for an internal abnormality

Not lit

Forced cutoff or operation stopped

Yrs

°C

S8AS-24006

POWER SUPPLY

-V

RS485

A(-)

B(+)

50/60Hz AC100-240V 3.8A

INPUT

Class2

OUTPUT

DC 24V 3.8A

- 5

- 4

- 3

- 2

- 1

- 6

+ 5

+ 4

+ 3

+ 2

+ 1

+ 6

V.ADJ

DC ON

COM

TMP

TRG

LFE

LOW

TRP

Status Indicators

Peak Output Current

Display

Clearing completed.

Waiting display, 1 s

After flashing for 3 s

Yrs

°C

Yrs

°C

Yrs

°C

Yrs

°C

Yrs

°C

or 3 s with

no key

operations

Set value saved

(flashes for 3 s)

Indicator Status Notation

Lit

Flashing

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