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5

Setting item

LCD display

Settings

Initial value

Operation mode

selection

Output time

setting

● sets ONE-SHOT output operation time
● only in POND operation mode of LT4 models
● only in SOND / S.OND / S.ODR operation modes of LT4S models
● ONE-SHOT output time setting range: HOLD ~ 99.99 sec (HOLD: output hold)

Numeral system

selection

● selects the numeral system of time range
● consists of decimal and sexagesimal systems

Addition/

subtraction

selection

● selects the timing method of operating time
● consists of "addition timing (UP)", that displays after adding from 0, 
     and "subtraction timing (DOWN)", that displays after subtracting from set value

PV time range

selection

● selects PV operating time and PV set value time ranges (refer to the time range for each parameter)
● for PV time range selection, 2 time set values are used in operation mode (ON set value and OFF set value)
● displayed only when the operation modes of LT4 models are PFKF / PFKN / TWON / TWOF / S-D.
● displayed only when the operation modes of LT4S models are SFKF / SNFN / SNFF / S.FKN.

SV time range

selection

● selects SV operating time and and SV set value time range (see time range of each parameter)

Contact 

configuration

setting

● displayed only on LT4 models
● when parameter "1C.1C" is selected, the output contact is configured 
     as "instantaneous 1c + time limit 1c".
● when parameter "2C" is selected, the output contact is configured as 
     "time limit 2c".
● in operation mode "TWON / TWOF / S-D", it is automatically fixed to "time limit 2c".

Minimum input 

time

selection

● displayed only on LT4S models
● selects START / INHIBIT / RESET minimum input time of input signal
● minimum input time consists of 1ms and 20ms

Lock

● used for key lock
● unlocks all keys when you select 

Parameter “L.OFF”.

● when you select 

Parameter “L.ON” , locks 

RST

 

    

 , 

 , 

 ,  (except 

).

● when you select 

Parameter “L.SET”, locks  

 only.

● when you select 

Parameter “L.RST”, locks 

RST

 only.

output hold

99.99 sec

decimal

sexagesimal

addition

subtraction

0.001 sec 0.01 sec 0.1 sec

1 sec

0.1 min

1 min

0.1 hour

1 hour

•UP mode

0.001 sec 0.01 sec 0.1 sec

1 sec

0.1 min

1 min

0.1 hour

1 hour

•UP mode

0.001 sec 0.01 sec 0.1 sec

1 sec

0.1 min

1 min

0.1 hour

1 hour

•DOWN mode

0.001 sec 0.01 sec 0.1 sec

1 sec

0.1 min

1 min

0.1 hour

1 hour

•DOWN mode

1ms

20ms

Lock off

Lock on

Lock Set Key

Lock Reset Key

Parameter

POND

POWER ON DELAY

PFKF

POWER ON FLICKER - OFF START

PFKN

POWER ON FLICKER - ON START

PINT

POWER ON INTERVAL

TWON

TWIN - ON START

TWOF

TWIN - OFF START

S-D

STAR - DELTA

LT4S Operation mode configuration

SOND

SIGNAL ON DELAY

PFKF

SIGNAL ON FLICKER - OFF START

SINT

SIGNAL ON INTERVAL

SNFN

SIGNAL ON/OFF DELAY - ON START

SNFF

SIGNAL ON/OFF DELAY - OFF START

SOFD

SIGNAL OFF DELAY

S.OND

SIGNAL TRIGGER ON DELAY

S.FKN

SIGNAL TRIGGER ON FLICKER - ON START

S.INT

SIGNAL TRIGGER ON INTERVAL

S.ODR

SIGNAL TRIGGER ON DELAY - RESET

● selects LT4 operation mode (7 operation modes)

● selects LT4S operation mode (10 operation modes)

time limit 2c

instantant. 1c 
+ time limit 1c

Summary of Contents for LT4 Series

Page 1: ...ontact with your body or conductive substances DANGER The contents of this manual may be changed without prior notification Please make sure that the product specifications are the same as you ordered...

Page 2: ...N TWON TWOF S D SFKF SNFN SNFF S FKN operation modes MODE KEY enters and quits function setting mode automaticaly saves function set value during termination SHIFT KEY enters set value change mode and...

Page 3: ...play when START signal is applied OFF timing starts START signal holds ON status when displayed time reaches Toff set time output turns ON after displayed time initialization ON timing starts when dis...

Page 4: ...changing the set value of SV display press to save the changed set value and return to operation mode If ON time set value and OFF time set value are 0 even if you press it does not return to operati...

Page 5: ...s configured as time limit 2c in operation mode TWON TWOF S D it is automatically fixed to time limit 2c Minimum input time selection displayed only on LT4S models selects START INHIBIT RESET minimum...

Page 6: ...e POWER RESET OUT1 OUT2 1 When power is applied OUT1 and OUT2 turn ON and timing starts When CONT is set as 1C 1C in function setting mode OUT1 turns ON when power is applied instantaneous output When...

Page 7: ...elled during ON time timing OUT turns ON time value is initialized Toff time is displayed 6 If START signal is applied suring OFF time timing OUT turns OFF time value is initialized Ton time is displa...

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