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Catalog excerpts
![Timer, Counter, Hour Meter General Catalogue - 1](https://img.directindustry.com/pdf/repository_di/14692/timer-counter-hour-meter-general-catalogue-135032_1m.jpg)
Timer, Counter, Hour Meter General Catalogue 08/2005
Open the catalog to page 1![Timer, Counter, Hour Meter General Catalogue - 2](https://img.directindustry.com/pdf/repository_di/14692/timer-counter-hour-meter-general-catalogue-135032_2m.jpg)
1 Page TIMERS TIMERS CHART 2 TIMERS SELECTOR CHART 3 ON-DELAY TIMER BASIC CIRCUIT 6 TIMER-RELATED TERMINOLOGY 7 GENERAL APPLICATION GUIDELINES 9 PM4H-A/S/M 12 PM4H-SD/SDM 17 PM4H-F 19 PM4H-W 23 PM4S 28 LT4H 31 LT4H-W 37 LT4H SERIES CAUTIONS FOR USE 42 QM4H 44 DIN SIZE TIMERS COMMON OPTIONS 47 INSTALLING DIN SIZE TIMER 49 S1DX 50 S1DX TIMER OPTIONS 56 PM5S-A/S/M 59 COUNTERS COUNTERS SELECTOR CHART 66 TYPICAL COUNTER APPLICATIONS 67 TECHNICAL COUNTER TERMS 68 GENERAL APPLICATION GUIDELINES 69 LC2H 72 LC2H PRESET TYPE 79 PRECAUTIONS IN USING THE LC2H SERIES 84 LC4H 86 LC4H-S 92 LC4H-W 100 LC4H...
Open the catalog to page 2![Timer, Counter, Hour Meter General Catalogue - 3](https://img.directindustry.com/pdf/repository_di/14692/timer-counter-hour-meter-general-catalogue-135032_3m.jpg)
2 TIMERS CHART Digital quartz timer DIN 48 SIZE Multiple operation LT4H LT4H-W ON-delay OFF-delay Twin Flicker One-shot Star delta One-cycle Integration LT4H QM4H LT4H (Signal) LT4H-W LT4H LT4H LT4H Surface mountable PM4H-A S1DX PM4H-S PM4H-M PM4H-A (Signal) PM4H-F PM4H-W PM4H-A S1DX PM4H-A S1DX PM4H-SD/SDM S1DX Relay terminal socket S1DX S1DX S1DX S1DX Multi-range analog timer (CR oscillation) PC board mount S1DX DIN rail timer PM5S PM5S PM5S PM5S PM5S 08/2005
Open the catalog to page 3![Timer, Counter, Hour Meter General Catalogue - 4](https://img.directindustry.com/pdf/repository_di/14692/timer-counter-hour-meter-general-catalogue-135032_4m.jpg)
3 Operation mode Time range Each model has various time ranges. See the product lists before ordering. CR oscillation counting timer Pulse ON-delay Pulse Flicker Pulse ON-Flicker Differential ON/OFF-delay (1)(2) Signal OFF-delay Pulse One-shot Pulse One-cycle Power ON-delay Power ON-delay Power Flicker Power ON-flicker Power One-shot Power One-cycle (with instantaneous contact) Star-Delta Power OFF-delay Power OFF-start cyclic Major uses For time control for short or long time For time control for short or long time For self holding circuit For SD motor start-up For all uses of power...
Open the catalog to page 4![Timer, Counter, Hour Meter General Catalogue - 5](https://img.directindustry.com/pdf/repository_di/14692/timer-counter-hour-meter-general-catalogue-135032_5m.jpg)
4 CR oscillation counting timer Quartz oscillation counting timer 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 ON-start flicker OFF-start flicker Delay one-shot Suitable for super-high accurate, digital setting (Relay output type) (Transistor output type) 250 V AC 30 V DC LT4H Digital timer LT4H-W Digital timer Bright and easy-to-read display Simple operation Short body Bright and easy-to-read display Simple operation Wide time setting range Terminal block, cap, panel cover, rubber gasket, mounting...
Open the catalog to page 5![Timer, Counter, Hour Meter General Catalogue - 6](https://img.directindustry.com/pdf/repository_di/14692/timer-counter-hour-meter-general-catalogue-135032_6m.jpg)
5 CR oscillation counting timer Pulse ON-delay Pulse Flicker Pulse ON-Flicker Signal OFF-delay Pulse One-shot Pulse One-cycle Power ON-delay For time control for short or long time For time control for short or long time 250 V AC 250 V AC PM5S-A Multi-range analog timer PM5S-S Multi-range analog timer 16 time ranges are selectable. 1s to 500h (Max. range) is controlled. 6 operation modes available. 16 time ranges are selectable. 1s to 500h (Max. range) is controlled in one unit. Terminal block, cap, panel cover, rubber gasket, mounting frame 24 to 240V AC/DC Timed-out 2 Form C Timed-out 2...
Open the catalog to page 6![Timer, Counter, Hour Meter General Catalogue - 7](https://img.directindustry.com/pdf/repository_di/14692/timer-counter-hour-meter-general-catalogue-135032_7m.jpg)
6 ON-DELAY TIMER BASIC CIRCUIT 1. Delay Operation (Instantaneous input) When control switch A is pressed, timer T starts immediately and after t-time elapses, load L is turned ON. When B is pressed, timer T is reset and load L is turned OFF. 4. Fixed Time Operation (Continuous input) When switch A is closed, load L is turned ON and after t-time elapses, the load is turned OFF. When switch A is opened, timer T is reset and load L is turned OFF. 5. Delay Reset Operation When contact A is reversed, load L is immediately turned ON. When contact A is returned to normal state, load L is turned...
Open the catalog to page 7![Timer, Counter, Hour Meter General Catalogue - 8](https://img.directindustry.com/pdf/repository_di/14692/timer-counter-hour-meter-general-catalogue-135032_8m.jpg)
7 TIMER-RELATED TERMINOLOGY Example of On-delay Operation Operating time (Time delay contact) Output signal Power supply ON ON OFF OFF (In time delay operation) : : 1 2 t t ON Output signal (Time delay contact) t1 Example of Flicker Operation ON t2 t1 ON OFF t2 t OFF OFF t < t1 Output OFF time Output ON time Power supply or signal Hold time Internal circuit Internal mechanism Time delay contact Power supply (Input signal) Reset time Power application time (Input signal application time) Pause time Operating time Power supply OFF OFF t2 : - Star/Delta switching time t3 : Delta operation time...
Open the catalog to page 8![Timer, Counter, Hour Meter General Catalogue - 9](https://img.directindustry.com/pdf/repository_di/14692/timer-counter-hour-meter-general-catalogue-135032_9m.jpg)
8 • Pause time error It means the difference between the operating time to a fixed pause time and the operating time to a pause time that varies. The pause time characteristics are the main characteristics of CR timer (timer exploiting charge and discharge of capacitor C and resistance R). If the oscillation count timer (timer which comprises an oscillation circuit composed of CR and quartz and is operated by a counting circuit inside IC or micro-computer which counts the reference signal) is used, the pause time error becomes almost negligible owing to its principles of operation....
Open the catalog to page 9![Timer, Counter, Hour Meter General Catalogue - 10](https://img.directindustry.com/pdf/repository_di/14692/timer-counter-hour-meter-general-catalogue-135032_10m.jpg)
9 GENERAL APPLICATION GUIDELINES CAUTIONS FOR CIRCUITS 1. Protective circuit for timer contact In the circuit that switches an inductive load, a contact failure may occur at a contact point due to surge or inrush current resulting from that switching. Therefore, it is recommended that the following protective circuit be used to protect the contact point. 2. Type of Load and Inrush Current The type of load and its inrush current characteristics, together with the switching frequency are important factors which cause contact welding. Particularly for loads with inrush currents, measure the...
Open the catalog to page 10![Timer, Counter, Hour Meter General Catalogue - 11](https://img.directindustry.com/pdf/repository_di/14692/timer-counter-hour-meter-general-catalogue-135032_11m.jpg)
10 2) If the timer is directly switched with a non-contact element, leak current may flow into the timer and cause it to malfunction. 6. Power off time If the operation voltage for the timer is turned ON after the limit time operation is completed or before the limit time is reached, the Power off time longer than the timer restoration time must be secured. 7. Suicide circuit If the timer is restored immediately after the specified time is reached, the circuit must be configured so that the restoration time of the timer can be secured sufficiently. If the power circuit for the timer is...
Open the catalog to page 11![Timer, Counter, Hour Meter General Catalogue - 12](https://img.directindustry.com/pdf/repository_di/14692/timer-counter-hour-meter-general-catalogue-135032_12m.jpg)
11 7. Operating environment 1) Use the timer within the ambient temperature range from –10°C to +50°C +14°F to +122°F (+55°C +131°F for the LT4H series) and at ambient humidity of 85% RH maximum. 2) Avoid using the timer in a location where (a) inflammable or corrosive gas is generated, (b) the timer is exposed to much dust and other foreign matter; (c) water or oil is splashed on the timer; or (d) vibrations or shocks are given to the timer. 3) The timer cover (case), the knobs, and the dials are made of polycarbonated resin. Therefore, prevent the timer from being exposed to organic...
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