Datasheet

ManualsBrandsPANASONIC ManualsTime Switches & Multifunction RelaysTime Delay Relay, Timer, 1 voltage-free changeover contact 12 - 24 Vdc IP66

LT4H

DIN 48 SIZE

DIGITAL TIMER

LT4H

Features

• Bright and Easy-to-Read Display

A brand new bright 2-color back light

LCD display. The easy-to-read screen

in any location makes checking and

setting procedures a cinch.

• Simple Operation

Seesaw buttons make operating the

unit even easier than before.

• Short Body of only 64.5 mm 2.539

inch (screw terminal type) or 70.1

mm 2.760 inch (pin type)

With a short body, it is easy to install in

even narrow control panels.

• Conforms to IP66’s Weather

Resistant Standards

The water-proof panel keeps out water

and dirt for reliable operation even in

poor environments.

• Screw terminal (M3.5) and Pin Types

are Both Standard Options

The two terminal types are standard

options to support either front panel

installation or embedded installation.

• Changeable Panel Cover

Also offers a black panel cover to meet

your design considerations.

• Compliant with UL, c-UL and CE.

1.890

64.5

2.539

Pin type Screw terminal type

UL File No.: E122222

C-UL File No.: E122222

mm inch

* A rubber gasket (ATC18002) and a mounting frame (AT8-DA4) are included.

Time range Operating mode Output Operating voltage Power down insurance Terminal type Part number

9.999 s (0.001 s~)

99.99 s (0.01 s~)

999.9 s (0.1 s~)

9999 s (1 s~)

99 min 59 s (1 s~)

999.9 min (0.1 min~)

99 h 59 min (1 min~)

999.9 h (0.1 h~)

Power ON delay (1)

Power ON delay (2)

Signal ON delay

Signal OFF delay

Pulse One-shot

Pulse ON-delay

Signal Flicker

Totalizing ON-delay

(8 modes)

Relay

(1 c)

Transistor

(1 a)

100 to 240 V AC

24 V AC

100 to 240 V AC

24 V AC

12 to 24 V DC

Available

11 pins

Screw terminal

11 pins

Screw terminal

11 pins

Screw terminal

11 pins

Screw terminal

LT4H-AC240V

8 pins LT4H8-AC240V

LT4H-AC240VS

LT4H-AC24V

8 pins LT4H8-AC24V

LT4H-AC24VS

LT4HT-AC240V

8 pins LT4HT8-AC240V

LT4HT-AC240VS

LT4HT-AC24V

8 pins LT4HT8-AC24V

LT4HT-AC24VS

11 pins

Screw terminal

11 pins

Screw terminal

LT4H-DC24V

8 pins LT4H8-DC24V

LT4H-DC24VS

LT4HT-DC24V

8 pins LT4HT8-DC24V

LT4HT-DC24VS

Product types

Part names

DOWN

LOCK

RESET

smh

LOCK

RST

OP.

LT4H

TIMER

Time delay indicator

Elapsed time display

Set time display

Time units display

Up keys

Down keys

Controlled output indicator

Reset indicator

Lock indicator

Reset switch

Lock switch

(Countdown time display)

87654321

DIP switches

(Same for screw terminal type and 8-pin type)

09/2009

Summary of content (6 pages)

PAGE 1
LT4H DIN 48 SIZE DIGITAL TIMER LT4H UL File No.: E122222 C-UL File No.: E122222 Features • Bright and Easy-to-Read Display A brand new bright 2-color back light LCD display. The easy-to-read screen in any location makes checking and setting procedures a cinch. • Simple Operation Seesaw buttons make operating the unit even easier than before. • Short Body of only 64.5 mm 2.539 inch (screw terminal type) or 70.1 mm 2.
PAGE 2
LT4H Type Relay output type Transistor output type AC type AC/DC type DC type AC type AC/DC type DC type 100 to 240 V AC, 24 V AC, 100 to 240 V AC, 24 V AC, 12 to 24 V DC 12 to 24 V DC 24 V AC/DC 24 V AC/DC 50/60 Hz common 50/60 Hz common — — Max. 10 V A Max. 10 V A Max. 3 W Max. 3 W 5 A, 250 V AC (resistive load) 100 mA, 30 V DC 9.999 s, 99.99 s, 999.9 s, 9999 s, 99 min 59 s, 999.9 min, 99 h 59 min, 999.
PAGE 3
LT4H (units: mm inch) Tolerance: p1.0 p.039 Dimensions • LT4H digital timer Digital Timers Screw terminal type (Flush mount) :48 :1.890 Pin type (Flush mount/Surface mount) 64.5 2.539 5.5 .217 5.5 .217 55.6 2.189 14.5 .571 TIMER OP. RST LOCK h m :44.5 :1.752 s :44.5 :1.752 UP RESET LOCK LT4H DOWN 7.5 .295 7.5 .
PAGE 4
LT4H Setting the operation mode, time range and time Setting procedure 1) Setting the operation mode and time range Set the operation mode and time range with the DIP switches on the side of the LT4H timer. Item DIP switch OFF ON 1 2 3 Operation mode Refer to table 1 *4 Minimum input reset, start, and stop signal width 20 ms DIP switch No.
PAGE 5
LT4H T: Set time t1, t2, t3, ta
PAGE 6
LT4H Pulse One-shot D Pulse On delay E Signal Flicker F Totalizing On delay G Notes: Explanation Time chart • Set the operation mode 1 2 3 section of the DIP switches ON ON OFF (no.’s 1, 2, and 3) on the side of the timer as shown. • Clears elapsed time value at power ON. • Time delay starts and output control ON at start ON. • Turns output control OFF and clears elapsed time value at time-up. • Ignores start input during time delay. • Stops delay time operation at stop ON.