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EARU EAMT1-M1, EAMT1-M2

EARU Multifunction Time Delay Relay Instruction Manual

Models: EAMT1-M1, EAMT1-M2

1. 서론

Thank you for choosing the EARU Multifunction Time Delay Relay. This device is designed for various timing control applications in industrial and home automation systems. It offers a wide voltage range, multiple timing functions, and easy DIN rail mounting. Please read this manual carefully before installation and operation to ensure safe and correct usage.

EARU EAMT1-M1 and EAMT1-M2 Time Delay Relays
Figure 1: EARU EAMT1-M1 (1NO1NC) and EAMT1-M2 (2NO2NC) Time Delay Relays

2. 안전 지침

  • 설치 및 유지관리는 자격을 갖춘 인력만이 수행해야 합니다.
  • 배선 작업이나 유지 보수를 하기 전에 반드시 전원 공급 장치를 차단하십시오.
  • 볼륨을 확인하세요tage and current ratings of the relay match your application requirements.
  • Do not operate the device in environments exceeding its specified operating temperature or pollution degree.
  • Protect the device from moisture, dust, and corrosive gases.

3. 기술 사양

Dimensions and Specifications of EARU Time Delay Relay
Figure 2: Dimensions and key specifications
표 1: 일반 사양
기인하다값
브랜드 이름에아루
모델 번호EAMT1-M1, EAMT1-M2
이론시간 릴레이
전원AC/DC 12-240V (50/60Hz)
정격 전류16A
사용일반 목적
인증CE
기원중국 본토
시간 범위0.1s - 10 days
출력 접점EAMT1-M1: 1NO1NC, EAMT1-M2: 2NO2NC
기계적 수명10만번
전기 수명(AC1)100,000번
시간 설정전위차계
조임 토크0.4나노미터
작동 온도-20°C ~ +55°C (-4°F ~ 131°F)
시간 재설정최대 200ms
오염도2

4. 설치

The EARU Time Delay Relay is designed for DIN rail mounting. Ensure secure fastening to prevent accidental dislodgement.

EARU Time Delay Relays mounted on a DIN rail
Figure 3: DIN rail mounting example

4.1. Terminal Overview

Technical parameters and terminal labels for EAMT1-M2
Figure 4: Terminal labels and contact types (EAMT1-M2 shown)
  • A1(+), A2(-): Supply Terminals (Input Voltage Us)
  • S: Trigger Terminal
  • R: Output Contact (LED Indication: RED=Output, GREEN=Supply)
  • EAMT1-M1 (1NO1NC): Contacts 15-18 (NO), 15-16 (NC)
  • EAMT1-M2 (2NO2NC): Contacts 25-28 (NO), 25-26 (NC) for Group 1; Contacts 15-18 (NO), 15-16 (NC) for Group 2

4.2. 배선도

Always ensure correct polarity for DC connections and proper phase for AC connections. Use appropriate wire gauges for the rated current.

Wiring diagram for EAMT1-M1 with DC12V trigger and AC220V load
Figure 5: Basic wiring for EAMT1-M1. Power supply voltage is DC12V, and the monitored load is a resistive load with a voltage of AC220V and a power less than 600W.
Wiring diagram for EAMT1-M1 with an external relay (EACT-16) for off-delay function
Figure 6: Wiring for EAMT1-M1 with an external relay (EACT-16) for Off Delay (E mode). Contacts 15-18 are normally open, 15-16 are normally closed. The relay operates after the trigger end is closed. When the trigger end is disconnected, the delay starts, and the relay resets after the delay time.

5. 운영

The EARU Time Delay Relay features three adjustable potentiometers for setting the time range, time percentage, and function selection.

Feature selection and power-on time settings
Figure 7: Feature selection dials (Time Range, Time Percentage, Function Selection)
  • Time Range Selection (Us dial): Select the desired time base (e.g., 1s, 10s, 1m, 10m, 1h, 10h, 1d, 10d).
  • Time Percentage Setting (%): Adjust the percentage of the selected time range for precise timing.
  • Function Selection (A-J dial): Choose one of the 10 available timing functions.

The red LED (R) indicates the output contact status, and the green LED (Us) indicates the supply status.

5.1. 함수 설명

The relay offers 10 distinct timing functions, labeled A through J. Refer to the function selection dial on the device and the descriptions below:

  • A: On Delay (Power On): When input voltage U가 적용되면 타이밍 지연 t가 시작됩니다. 릴레이 접점 R은 시간 지연이 완료된 후 상태를 변경합니다. 접점 R은 입력 볼륨이 0이 되면 셸프 상태로 돌아갑니다.tage U is removed. The trigger switch is not used in this function.
  • B: Interval (Power On): When input voltage U is applied, relay contacts R change state immediately and the timing cycle begins. When time delay is complete, contacts return to shelf state. When input voltage U가 제거되면 접점도 셸프 상태로 돌아갑니다. 이 기능에서는 트리거 스위치가 사용되지 않습니다.
  • C: Repeat Cycle (Starting Off): When input voltage U가 적용되면 시간 지연 t가 시작됩니다. 시간 지연 t가 완료되면 릴레이 접점 R이 시간 지연 t에 대한 상태를 변경합니다. 이 사이클은 입력 볼륨이 0이 될 때까지 반복됩니다.tage U is removed. The trigger switch is not used in this function.
  • D: Repeat Cycle (Starting On): When input voltage U가 적용되면 릴레이 접점 R이 즉시 상태를 변경하고 시간 지연 t가 시작됩니다. 시간 지연 t가 완료되면 접점은 시간 지연 t 동안 셸프 상태로 돌아갑니다. 이 사이클은 입력 볼륨이 0이 될 때까지 반복됩니다.tage U is removed. The trigger switch is not used in this function.
  • E: Off Delay (S Break): 입력 볼륨tage U must be applied continuously. When trigger switch S is closed, relay contacts R change state. When trigger switch S is opened, delay t begins. When delay t is complete, contacts R return to their shelf state. If trigger switch S is closed before time delay t is complete, then time is reset. When trigger switch S is opened, the delay begins again, and relay contacts R remain in their energized state. If input voltage U가 제거되면 릴레이 접점 R은 선반 상태로 돌아갑니다.
  • F: Single Shot: Upon application of input voltage U, 릴레이는 트리거 신호 S를 받을 준비가 되었습니다. 트리거 신호 S를 적용하면 릴레이 접점 R이 전송되고 사전 설정된 시간 t가 시작됩니다. 타임아웃 동안 트리거 신호 S는 무시됩니다. 릴레이에 전원이 공급되지 않으면 트리거 스위치 S를 적용하여 릴레이가 재설정됩니다.
  • G: Single Shot Trailing Edge (Non-Retriggerable): Upon application of input voltage U, the relay is ready to accept trigger signal S. Upon application of the trigger signal S, the relay contacts R transfer and the preset time t begins. At the end of the preset time t, the relay contacts R return to their normal condition unless the trigger switch S is opened and closed prior to time out t (before preset time elapses). Continuous cycling of the trigger switch S at a rate faster than the preset time will cause the relay contacts R to remain closed. If input voltage U가 제거되면 릴레이 접점 R은 선반 상태로 돌아갑니다.
  • H: On/Off Delay: 입력 볼륨tage U must be applied continuously. When trigger switch S is closed, time delay t begins. When the time delay t is complete, relay contacts R change state and remain transferred until trigger switch S is opened. If input voltage U가 제거되면 릴레이 접점 R은 선반 상태로 돌아갑니다.
  • I: Latching Relay: 입력 볼륨tage U는 지속적으로 적용되어야 합니다. 출력은 트리거 스위치 S가 닫힐 때마다 상태가 변경됩니다. 입력 볼륨이tage U가 제거되면 릴레이 접점 R은 선반 상태로 돌아갑니다.
  • J: Pulse Generator: Upon application of input voltage U, a single output pulse of 0.5 seconds is delivered to the relay after time delay t. Power must be removed and re-applied to repeat the pulse. The trigger switch is not used in this function.
Video 1: Demonstration of various timing functions (A-I) with a button and the EARU Time Delay Relay. The device is linked 15-18 (NO), set to 10 seconds, 50%. The button link is NC Latching.

6. 유지관리

  • 배선 연결부가 단단히 고정되었는지, 마모 또는 손상 흔적이 있는지 정기적으로 점검하십시오.
  • 장치를 깨끗하고 먼지나 이물질이 없는 상태로 유지하십시오.
  • 과열을 방지하려면 장치 주변을 적절하게 환기시키십시오.
  • Do not attempt to open or repair the device yourself. Contact qualified service personnel if a malfunction occurs.

7. 문제 해결

  • Relay not activating/deactivating: Check power supply (Us LED), wiring connections, and ensure the selected function and time settings are correct.
  • 일관성 없는 타이밍: Verify stable power supply and ensure the time range and percentage dials are set accurately.
  • Device not responding to trigger: Check the trigger switch (S terminal) wiring and functionality. Ensure the selected function requires a trigger.
  • 과열: Ensure the load current does not exceed the rated current (16A) and that there is adequate ventilation.

8. 사용자 팁

re에서 특정 사용자 팁을 사용할 수 없습니다.views or Q&A for this product. However, general tips for using time delay relays include:

  • Always test your setup with a non-critical load before deploying it in a live application.
  • For critical applications, consider using a backup or fail-safe mechanism.
  • Label your wiring clearly to simplify future maintenance or modifications.

9. 보증 및 지원

보증 정보 및 기술 지원은 제품 포장을 참조하거나 판매점에 문의하십시오. 구매 영수증은 구매 증빙 자료로 보관하십시오.

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