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AEFR SAFETY PRECAUTION This manual uses the following symbols to ensure safe operation of this product. DIGTAL FREQUENCY RELAY User's Manual WARNING CAUTION Warnings are indicated when mishandling this product might result in death or serious injury to user. Cautions are indicated when mishandling this product might result in minor injury to the user, or only physical damage to the timer. WARNING RESTRICTIONS ON USE When using this product in applications that require particular safety or when using this product in important facilities, please pay attention to the safety of the overall system and equipment. Install failsafe mechanisms, perform redundancy checks and periodic inspections and adopt other appropriate safety measures when it is necessary. ΘNote this incorrect wiring of this product can damage it and lead to other hazards. Make sure the product has been correctly wired before turning the power ON. ΘBefore wiring, or removing / mounting the product, be sure to turn the power OFF. Failure to do so might cause electric shock. ΘDo not touch electrically charged parts such as the power terminals. Doing so might cause electric shock. ΘDo not disassemble the product. Doing so might cause electric shock or faulty operation. CAUTION ΘUse the product within the operating ranges recommended in the specification (temperature, humidity, voltage, shock, mounting direction, atmosphere and etc.). Failure to do so might cause fire or faulty operation. ΘMake sure the product is firmly connected to the socket. Failure to do so might cause electric shock or fire. SPECIFICATIONS NAMES AND FUNCTIONS OF FACEPLATE Frequency indicator Display Operating voltage AC : 100 ~ 240V Allowable operating voltage range 85 ~ 110% of rated operating voltage Rated frequency 50 / 60 Hz Time indicator in second Relay output indicator ON Contact rating 250VAC 5A (Resistive load) Display Display resolution ²0.1Hz Power consumption Approx. 3VA Life Mechanical : 5,000,000 times / Electrical : 100,000 times Under frequency setting ANLY -10 ~ +50 °C Ambient humidity MAX 85% RH Weight Approx. 130g Reset delay time TYPE AEFR OVER UNDER RESET ERROR FREQ. FREQ. TIME TIME Over frequency setting Ambient temperature Hz S UNDER OVER Setting values display OFF TEST Error delay time AUTO RESET Manual reset RESET Function settings SETTING PROCEDURE 1. Over frequency setting 3. Auto reset time setting Hz ON S S 2. Under frequency setting ON OVER UNDER Hz ON UNDER FREQ. S ERROR TIME Set the delay time for error. The display will show existing frequency after 3 seconds. Set the desired value for under frequency. The display will show existing frequency after 3 seconds. ON Over frequency enable Hz ON ON Under frequency enable Hz S OFF Under frequency disable ON Hz S AUTO ON Auto reset RESET OFF Manual reset ON Hz S OVER FREQUENCY SETTING VALUE UNDER FREQUENCY SETTING VALUE RESET TIME ERROR TIME CONNECTION 2. The fault indications The existing frequency will be shown as follow. ON Hz S OFF Over frequency disable DISPLAY 1. Frequency display By pressing "TEST" button, all setting value will be shown ordinally as follows. The display will show existing frequency after 3 seconds. AUTO RESET OFF 4. Error delay time setting Hz S UNDER OVER RESET TIME Set the delay time for auto reset. The display will show existing frequency after 3 seconds. Set the desired value for over frequency. The display will show existing frequency after 3 seconds. ON Hz ON OVER FREQ. 6. Setting values display 5. The function of DIP switches OVER FREQUENCY 4 Hz ON S 3 UNDER FREQUENCY 2 S 6 7 1 Hz ON 5 8 S NO INPUT SOURCE Hz ON AC 100 ~ 240V S TIMING CHART Rt Et Rt Et Rt OVER FREQUENCY SO URCE UNDER FREQUENCY N. O . ( 1- 3) N. C. ( 1- 4) Rt : Reset Time Et : Error Time ANLY ELECTRONICS CO., LTD. http://www.anly.com.tw M-AEFR-B-E Printed in Taiwan