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Monitoring Relays 1-Phase True RMS AC/DC Over or Under Current Type DIB71

1. 35 5 SSS GOOD O o o o0 0 LO O O 81 45 O OOOO a ee d Under current Latch function N D relay Power supply Latch ON l Set Level Hysteresis ee aa aN Se Relay ON ma or 6 s TH HTH a oOoOoOO O Red LED ON UUU U U U Over current Inhibit function N D relay Power supply EE Inhibit ON Ab Set Level Hysteresis Relay ON Red LED ON
2. if the input signal is already in alarm position the delay time needs to elapse before relay activation DIB71 Function Range Level and Time Delay Setting Adjust the input range set ting the DIP switches 1 and 2 as shown in figure Select the desired function setting the DIP switches 3 to 6 as shown in figure To access the DIP switches open the plastic cover as shown in figure Wiring Diagrams Example 1 Latch Inhibit enable Selection of level and time delay Upper knob Setting of hysteresis on rela tive scale 0 to 30 on set value 48 230 VAC 24 115 VAC Centre knob Current level setting on rela tive scale 10 to 110 on full scale Lower knob Setting of delay on alarm time on absolute scale 0 1 to 30 s Measuring range Fr mA Rei FromA 20 mA 1A 200 mA Relay working mode ON Normally De energized OFF Normally Energized Power ON delay ON 6s 0 5s OFF 1s 0 5s Contact input ON Latch function enable OFF Inhibit function enable Monitoring function ON Over current OFF Under current Example 2 EN 48 230 VAC 24 115 VAC DIB71 Operation Diagrams Over current N D relay Power supply Set Level Relay ON REH mmm Red LED ON mr MUU Under current N D relay Power supply Set Level Relay ON Red LED ON um DP Dimensions
3. drops below the set level for more than the 3 VA set delay time Provided that the current has dropped below or has exceeded the set point see hysteresis set ting the relay releases when the interconnection between terminals Z1 Y1 is interrupt ed or the power supply is interrupted as well The red LED flashes until the delay time has expired or the measured value comes back to a non alarm value see hysteresis setting Indication for Power supply ON Alarm ON LED green LED red flashing 2 Hz during delay time Output relay ON LED yellow Environment EN 60529 Degree of protection IP 20 Pollution degree 3 Operating temperature 5A 20 to 50 C R H lt 95 others 20 to 60 C R H lt 95 Storage temperature 30 to 80 C R H lt 95 Housing dimensions 35 5 x 81 x 67 2 mm Weight Approx 150 g Screw terminals Tightening torque Max 0 5 Nm acc to IEC 60947 Approvals UL CSA CE Marking Yes EMC Electromagnetic Compatibillity Immunity According to EN 61000 6 2 Emission According to EN 61000 6 3 Example 2 Stardard CT Note no connection between ter minals Z1 Y1 latch func tion disabled The relay operates when the measured value exceeds or drops below the set level for more than the set delay time It releases when the current drops below or exceeds the set level see hysteresis set ting or when power supply is interrupted When the inhibit contact is opened
4. Monitoring Relays 1 Phase True RMS AC DC Over or Under Current Type DIB71 Product Description DIB71 is a precise TRMS AC DC over or under current selectable by DIP switch monitoring relays Direct mea suring or through current transformer Owing to the built in latch function the ON position of the relay output can be maintained Inhibit function can be used to avoid relay Type Selection Mounting Output DIN rail SPDT DIN rail SPDT DIN rail SPDT DIN rail SPDT operation when not desired maintenance transitions The LED s indicate the state of the alarm and the output relay Through the built in shunt it is possible to moni tor loads up to 5 A AC DC 35 5 mm wide housing suit able both for back and front panel mounting Measuring range 0 1 to 5 mA AC DC 1 to 50 mA AC DC 10 to 500 mA AC DC 0 1 to 5 AAC DC Input Specifications Input Current level Terminals Y1 Y2 Measuring ranges DMA 0 1 to 1 mA AC DC 0 2 to 2 mA AC DC 0 5 to 5 mA AC DC Max current for 1 s 1 to 10 mA AC DC 2 to 20 mA AC DC 5 to 50 mA AC DC Max current for 1 s 500MA 10 to 100 mA AC DC 20 to 200 mA AC DC 50 to 500 mA AC DC Max current for 1 s SOMA Internal resist Max curr 100 Q 40 mA 100 Q 40 mA 100 Q 40 mA 100 mA 10 Q 120 mA 10 Q 120 mA 10 Q 120 mA 300 mA 1Q 700 mA IO 700 mA 12 700 mA 1 4A s TRMS AC DC over or under current monitoring relay e Current measuring throu
5. gh internal shunt e Selection of measuring range by DIP switches e Measuring ranges from 0 1 mA to 5 A AC DC e Adjustable current on relative scale e Adjustable hysteresis on relative scale e Adjustable delay function 0 1 to 30 s e Programmable latching or inhibit at set level e Output 5 A SPDT relay N D or N E selectable e For mounting on DIN rail in accordance with DIN EN 50 022 e 35 5 mm DIN rail housing e LED indication for relay alarm and power supply ON e Galvanically separated power supply Ordering Key DIB 71 C B23 5A Housing Function Type Item number Output Power supply Measuring range Supply 24 48 VAC Supply 115 230 VAC DIB 71 C B48 5mA DIB 71 C B48 50mA DIB 71 C B48 500mA DIB 71 C B48 5A DIB 71 C B23 5mA DIB 71 C B23 50mA DIB 71 C B23 500mA DIB 71 C B23 5A Measuring ranges cont Internal resist Max curr WDA 0 1 to 1 AAC DC 0 03 Q 6A 0 2 to 2 A AC DC 0 03 Q 6A 0 5 to 5 A AC DC 0 03 Q 6A Max current for 1 s 15A Standard CT examples AAC ms Max curr TADK2 50 AG A 5to50A 60 A TAD2 150A 5A 15to150A 180 A TAD6 400 A 5A 40to 400A 480A TAD12 1000 ASA 100to1000A 1200A TACO200 6000 AAR A 600to6000A 7200A Contact input Terminals Z1 Y1 Disabled gt 10 kQ Enabled lt 500 Q Latch disable gt 500 ms DIB71 Output Specifications Output SPDT relay Rated insulation voltage 250 VAC Contact ratings AgSnO u Resistive loads AC1 5A 250 VAC DC12 5A 24VDC Smal
6. l inductive loads AC 15 2 5 A 250 VAC DC 13 2 5A 24 VDC Mechanical life 30 x 10 operations Electrical life 10 operations at 5 A 250 V cos 1 T YZ LER EEN SHARE TARIH ONG BLESTRIC ESP MENT CG LTE General Specifications Power ON delay 1s 05sor6s 05s Reaction time Alarm ON delay Alarm OFF delay input signal variation from 20 to 20 or from 20 to 20 of set value lt 100 ms lt 100 ms Accuracy Temperature drift Delay ON alarm Repeatability 15 min warm up time 1000 ppm C 10 on set value 50 ms 0 5 on full scale Operating frequency lt 7200 operations h Dielectric strength Dielectric voltage Rated impulse withstand volt 2 kVAC rms 4 kV 1 2 50 us Supply Specifications Power supply Rated operational voltage through terminals A1 A2 or A3 A2 B48 B23 Overvoltage cat III IEC 60664 IEC 60038 24 48 VAC 15 45 to 65 Hz insulated 115 230 VAC 15 45 to 65 Hz insulated Dielectric voltage Supply to input Supply to output Input to output 4 kV 1 2 50 ps 4 kV 1 2 50 us 4 kV 1 2 50 us Rated operational power AC Mode of Operation DIB71 monitors both AC and DC over or under current through an internal shunt Example 1 connection between termi nals Z1 Y1 latching func tion enabled The relay operates and latch es in operating position when the measured value exceeds or

Monitoring Relays 1-Phase True RMS AC/DC Over or Under Current Type DIB71

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