rmt-102 maximal current relay operating manual certificate
Contents
1. NOVATEK ELECTRO LTD ci NOVATEK Intellectual Industrial Electronics ISO 9001 ELECTRO L shili www novatek electro com in 10 1 i RMT 102 RMT 102 MAXIMAL CURRENT RELAY OPERATING MANUAL CERTIFICATE Manufacture Quality Control System comply with the requirements of ISO 9001 2008 Review the Operating manual before using the unit NEVER ATTEMPT TO REMOVE AND REPAIR THE UNIT Some of the unit components may be live NEVER ATTEMPT TO OPERATE THE UNIT WITH THE MECHANICAL DAMAGE OF THE HOUSING DO NOT LET WATER INTO THE UNIT UNPLUG THE UNIT BY DISCONNECTING THE POWER CORD FOR TROUBLESHOOTING MAINTENANCE OR INSTALLATION WORKS WARNING THE UNIT SHOULD BE OPERATED IN THE ELECTRIC MAINS PROTECTED WITH AUTOMATIC CIRCUIT BREAKER This unit is safe for use in case of compliance with operating rules Pe gt Odessa city www novatek electro com 1 Aperture for wire conductor which current is a J measured by RMT 102 ay lr wa A iv 2 2 Power input of RMT 102 220V 50Hz 423465 wy 3 Outputs of load control relay max 250V 8A en 3 4 LED indicator Load awit ma _ 5 Digital Indicator for measurable and controlled parameters 6 Range switch 40 400A of adjuster over current adjustment la 116 L 7 Toggle for switch of indication modes current 6 now maximal current 7 8 LED indicator Over current 9 Adjustment knob for load reclosing delay SS j setting ton w2. 4 WARRANTY PACKAGE e Operation life of RMT 102 is no less than 10 years Warranty period of device operation is 36 months from the date of sale e During warranty period the manufacturer will make repair free of charge provided the user observed the requirements of the user manual No warranty service is provided in following cases The period of warranty has expired the presence of mechanical damages there are traces of moisture attack or foreign objects inside the device unauthorized opening and repair of the device damage due to electric current or voltage which value was over those indicated in the user manual The warranty service shall be provided at the location of purchase The Post Warranty Service of the device is provided by Novatek Electro Ltd under a separate agreement 5 ACCEPTANCE CERTIFICATE The device of Maximal Current Relay RMT 102 is made and approved according to the requirements of the applicable technical specifications and is accepted as ready for operation
3. a RMT 102 0 Put one of power G o supply wire in the aperture in the case of device LI Figure 2 Wiring Diagram of RMT 102 2 1 2 Start up Preparation of RMT 102 Connect the device RMT 102 according to the wiring diagram Figure 2 A wire current of which is controlled should be passed through a corresponding aperture of case Adjust a range of change overcurrent sitting using range switch item 6 fig 1 also adjust a cut OFF time sitting reclosing time and value of overcurrent using adjustment Knobs items 9 10 fig 1 2 1 3 Relay work Turn ON the supply power to the RMT 102 If necessary make a fine adjustment of value sittings to control of which a digital indicator item 5 fig 1 is used RMT 102 is ready for work To increase a convenience of adjustment parameters scale of reclosing delay sitting ton item 9 fig 1 has 2 ranges are 0 to 100 and 100 to 900 seconds scale of power cut delay sitting toff is also divided in 2 ranges are 0 to 50 and 50 to 300 seconds with different divisions value 3 TRANSPORTATION AND STORAGE RMT 102 should be stored in a factory package in enclosed rooms with ambient temperature from 55 to 70 C and exposed to not more than 80 of relative humidity There should be no fumes in the air that may exert a de leterious effect on package and the RMT 102 components The Buyer must provide the protection of the relay against possible mechanical damages in transit
4. ay sec 4 eadiness time sec no more than ower consumption under load VA no more than ommutation over current of the output contacts at cosp 1 A PB Commutation life of output contacts under 5A power load times no less than 100 000 under 1A power load times no less than 1 000 000 Protection class po Device IP40 Connection terminal IP20 limatic design C torage temperature C kg no more than ositioning in space User defined In RMT 102 the indicator switching off item 5 fig 1 is provided at supply voltage decrease lower than 130 V and blocking of functioning of RMT 102 at a supply voltage reduction lower than 100 Volt 1 3 DESIGN AND OPERATION When putting the supply current of 220V 50 Hz to the terminals 4 5 item 2 fig 1 on RMT 102 the turning ON of load takes place in readiness time not more than 0 5 s contact 2 3 opens contact 1 2 closes item 3 fig 1 LED indicator Load lights ON item 4 fig 1 and value of load current is displayed on the digital indicator item 5 fig 1 When the current value exceeds the maximal current setting the LED indicator Overload will light ON in red color item 8 fig 1 and counting off for power cut delay will begin 4 s thus Load current value in ampere and remaining time to power cutting in seconds will be alternately displayed on the digital indicator item 5 fig 1 The value of maximal current is adjusted by the knob Maximal Current S
5. etting item 10 fig 1 in both ranges from 10 to 400A and from 1 to 40 A a range choice is carried out by a range switch item 6 fig 1 When period of power cut delay is finished then the load will be cut OFF and contact 1 2 opens contact 2 3 closes green LED indicator Load lights OFF If current value comes back to range lower setting of maximal value the LED indicator Over load lights OFF a count down of load reclosing delay will begin from O to 900 seconds it is adjusted by the knob setting of load reclosing delay setting item 9 fig 1 The remaining time to turn ON in seconds will be displayed on the digital indicator item 5 fig 1 If during power cutting the current does not come back to a preset range then a message Err will be displayed on the digital indicator item 3 fig 1 and count down of reclosing time will NOT begin When time delay is finished load will be turn ON and contact 2 3 will be opened contact 1 2 will be closed Load LED indicator will light ON and a load current will be displayed on the digital indicator During twisting of any adjustment knob item 9 fig 1 a value of adjusted parameter is showed on the digital indicator in this case a decimal dot will be in less significant digit If adjustment knob for reclosing delay sitting item 9 fig 1 stays in inF position infinity sing on the scale auto reclosing is disabled and inF is displayed on the digi
6. ow povelak siscirp com qr 10 Adjustment knob for maximal current er gee setting Imax g ita RMT 102 5 r eo cope hil Z 7 ee 10 Ie _ Figure 1 External view of RMT 102 1 DESCRIPTION AND OPERATION 1 1 APPLICATION RMT 102 is designed to perform the permanent control of active value of current of single phase load in range from 1 to 400A and to turn OFF it in case of excess of user adjusted maximum allowed load current with independent time lag with preset cut OFF time and subsequent automatic insertion with preset turn ON time or with block of reclosing Current setting reaction time of relay and auto reclosing time ART are adjusted by the user using potentiometers on the front panel of RMT 102 Measurement is carried out by built in current sensor without break of electrical circuit with the use of current transformer connected to RMT 102 RMT 102 can be used as digital ammeter limit relay of input current selection relay of priority load In RMT 102 for current measuring it is used a built in current transformer RMT 102 allows controlling current values and condition of load per LED indicators on the front panel 1 2 GENERAL TECHNICAL CHARACTERISTICS OF RMT 102 Adjustment range a Imax A Absolute measurement accuracy of current A no more than 6 Imax A Absolute measurement accuracy of current A no more than Adjustment range of ton sec T 900 Time of turn off del
7. tal indicator item 5 fig 1 auto reclosing is blocked To turn ON load the RMT 102 should be short cut OFF or user should set adjustment knob item 9 fig 1 for auto reclosing sitting in position which is different from inF position After change position of reclosing delay sitting knob to blocking auto reclosing infinity sing on the scale item 9 fig 1 inF will be displayed for 4 seconds on the digital indicator RMT 101 is able to show maximal value of current If toggle item 7 fig 1 for selecting the indication mode bet ween actual current and maximal current is set in Imax position then maximal value of current will be displayed on the digital indicator item 3 fig 1 This maximal value corresponds to maximal fixed value of current from instant of energizing RMT 102 or from instant of restore of calculation maximal current value Restore of calculation of maximal current value is carried out simultaneously with adjustment of indl toggle in current position 2 SCOPE OF USE 2 1 PREPARATION OF RMT 102 RELAY FOR USE 2 1 1 Safety Rules ATTENTION All connection and disconnection works must be done only on deenergized RMT 102 according to safety regulations IT IS FORBIDDEN TO OPEN AND REPAIR THE DEVICE BY UNAUTHORIZED PERSONNEL IT IS NOT ALLOWED TO USE THE DEVICE IF IT HAS THE MECHANICAL DAMAGES OF CASE 220V 50Hz f i wee novetnk eloctro com a e i pc
Download Pdf Manuals
Related Search