Explore performance details, construction highlights, applications, and technical information in one clear overview.
LT series is a Hanyoung NUX counter / timer for counting events and controlling time-based operations. Its model configuration determines the input method, timing or counting range, display and output functions, with model information of LT4 | LT4S. Operating time range: 0.01 sec ~ 9999 hour; Display: Wide viewing angle negative LCD display; Display mode: Addition and subtraction; Display digits: 4 digits.
The operating range, signal conditions, display format, computation speed and connection method should be checked against the machine sequence before installation. Character height: PV display : 14 mm, SV display : 8.5 mm; PV display: 14 mm, SV display : 8.5 mm; External connection: Socket 8 pin; Insulation resistance: 100 MΩ min (500 V d.c. Megger standard, conductive part terminal and exposed unfilled metal).
Key strengths of the LT series come from the combination of its functional configuration and practical installation specifications. The following characteristics highlight the values that matter most when comparing the product with equipment requirements.
Operating time range: 0.01 sec ~ 9999 hour; Input method: - | Non-voltage input, impedance at short circuit: max. 1 kΩ Residual voltage at short circuit:max. 0.5V Impedance at open: min. 100 kΩ.; Power voltage: 24 - 240 V a.c. 50/60 Hz or 24 - 240 V d.c. (dual usage); Display: Wide viewing angle negative LCD display; External connection: Socket 8 pin.
The LT series technical characteristics define the supported input conditions, counting or timing range, display resolution, computation speed and output behaviour. These values determine how the unit responds to machine signals. Power voltage: 24 - 240 V a.c. 50/60 Hz or 24 - 240 V d.c. (dual usage); Voltage fluctuation rate: ± 10 % of power voltage; Power consumption: Max. 4 VA (24 - 240 V a.c. 50/60 Hz) Max. 1.6 W (24 - 240 V d.c.) | Max. 4.5 VA (24 - 240 V a.c. 50/60 Hz) Max. 2 W (24 - 240 V d.c.); Contact capacity: 250 V a.c. 5A resistive load | 250 V a.c. 3A resistive load (N.O.:5A, N.C.:3A).
Additional technical characteristics include .
The physical design of LT series should be considered together with the installation environment and the available mounting or display arrangement. Dielectric strength: 2000 V a.c. 60 Hz for 1 minute (conductive part terminal and exposed unfilled metal); Noise immunity: ± 2 kV (among operation power terminals, pulse width = 1 us, square-wave noise by noise simulator); Vibration resistance: 10 - 55 Hz (for 1 minute) single amplitude 0.5 mm X, Y, Z each direction, 2 h; Shock resistance: 300 m/s² (30G) X, Y, Z each direction, 3 times.
Further construction and environmental details include Ambient temperature: -10 ~ 55 ℃ (without condensation); Storage temperature: -25 ~ 65 ℃ (without condensation); Ambient humidity: 35 ~ 85 % RH.
Integration of LT series begins with matching its connection, input or control signal and output requirements to the surrounding equipment. Operating time range: 0.01 sec ~ 9999 hour; Input method: - | Non-voltage input, impedance at short circuit: max. 1 kΩ Residual voltage at short circuit:max. 0.5V Impedance at open: min. 100 kΩ.; Power voltage: 24 - 240 V a.c. 50/60 Hz or 24 - 240 V d.c. (dual usage); Display: Wide viewing angle negative LCD display.
Additional operating and interface details include External connection: Socket 8 pin; Display mode: Addition and subtraction; Display digits: 4 digits. These values provide a practical reference for wiring, setup and normal operation within the selected configuration.
Choose LT series by confirming the exact model or configuration against the required operating conditions. The available model information is LT4 | LT4S. Model: LT4 | LT4S; Degree of protection: IP66 (front panel); Operating time range: 0.01 sec ~ 9999 hour; Input method: - | Non-voltage input, impedance at short circuit: max. 1 kΩ Residual voltage at short circuit:max. 0.5V Impedance at open: min. 100 kΩ..
Before installation, confirm Power voltage: 24 - 240 V a.c. 50/60 Hz or 24 - 240 V d.c. (dual usage); Display: Wide viewing angle negative LCD display; External connection: Socket 8 pin. Matching the model, electrical ratings, signal requirements, physical arrangement and environmental limits helps keep the product within its specified operating conditions.
| Specification | Details |
|---|---|
| Model | LT4 | LT4S |
| Power voltage | 24 - 240 V a.c. 50/60 Hz or 24 - 240 V d.c. (dual usage) |
| Voltage fluctuation rate | ± 10 % of power voltage |
| Power consumption | Max. 4 VA (24 - 240 V a.c. 50/60 Hz) Max. 1.6 W (24 - 240 V d.c.) | Max. 4.5 VA (24 - 240 V a.c. 50/60 Hz) Max. 2 W (24 - 240 V d.c.) |
| Display | Wide viewing angle negative LCD display |
| Display mode | Addition and subtraction |
| Display digits | 4 digits |
| Character height | PV display : 14 mm, SV display : 8.5 mm |
| Return time | Max. 100 ms |
| External connection | Socket 8 pin |
| Operating time range | 0.01 sec ~ 9999 hour |
| Exter nal input | Input signal | Power on start | START, INHIBIT, RESET |
| Input method | - | Non-voltage input, impedance at short circuit: max. 1 kΩ Residual voltage at short circuit:max. 0.5V Impedance at open: min. 100 kΩ. |
| Minimum input time | - | START, INHIBIT, RESET min. input signal width 1ms / 20ms selection |
| Operating time error | Power START : max. ± 0.01 % ±0.05 sec., Signal START : max. ± 0.005 % ±0.03 sec. |
| Con trol out put | Opera tion mode | POND / PFKF / PFKN / PINT / TWON / TWOF / S-D | SOND / SFKF / SINT / SNFN / SNFF / SOFD / S.OND / S.FKN / S.INT / S.ODR |
| Contact compo sition | Time limit 2c, Instantaneous 1c + Time limit 1c | Time limit 1c |
| Contact capacity | 250 V a.c. 5A resistive load | 250 V a.c. 3A resistive load (N.O.:5A, N.C.:3A) |
| Relay life | Mechanical life: min. 10,000,000 times, Electrical life: min. 100,000 times (250 V a.c. 5A resistive load) |
| Insulation resistance | 100 MΩ min (500 V d.c. Megger standard, conductive part terminal and exposed unfilled metal) |
| Dielectric strength | 2000 V a.c. 60 Hz for 1 minute (conductive part terminal and exposed unfilled metal) |
| Noise immunity | ± 2 kV (among operation power terminals, pulse width = 1 us, square-wave noise by noise simulator) |
| Vibration resistance | 10 - 55 Hz (for 1 minute) single amplitude 0.5 mm X, Y, Z each direction, 2 h |
| Shock resistance | 300 m/s² (30G) X, Y, Z each direction, 3 times |
| Ambient temperature | -10 ~ 55 ℃ (without condensation) |
| Storage temperature | -25 ~ 65 ℃ (without condensation) |
| Ambient humidity | 35 ~ 85 % RH |
| Degree of protection | IP66 (front panel) |
| No | Type | Category | Title | File |
| 1 | Manual > Instruction Manual | Counter / Timer | LT series Instruction manual |
| 1 | CAD > 2D | Counter / Timer | LT series (2D) |
| 2 | CAD > 3D | Counter / Timer | LT series (3D) |
| No | Mark | Category | Title | File |
| 1 | Certification > CE | Counter / Timer | LT4 (EMC) |
| 2 | Certification > CE | Counter / Timer | LT4 (LVD) |
| 3 | Certification > KC | Counter / Timer | LT4 |
| PV display | 14 mm, SV display : 8.5 mm |
| Non-voltage input, impedance at short circuit | max. 1 kΩ |
| Residual voltage at short circuit | max. 0.5V |
| Power START | max. ± 0.01 % ±0.05 sec., Signal START : max. ± 0.005 % ±0.03 sec. |
| 250 V a.c. 3A resistive load (N.O. | 5A, N.C.:3A) |