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1SVR730005R0100 Datasheet(PDF) 6 Page - List of Unclassifed Manufacturers |
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1SVR730005R0100 Datasheet(HTML) 6 Page - List of Unclassifed Manufacturers |
6 / 18 page 6 - Voltage monitoring relay CM-EFS.2 | Data sheet Voltage window monitoring 1x2 c/o (SPDT) contacts j ON-delayed A with latching f Open-circuit principle h The voltage to be monitored (measured value) is applied to terminals B-C. The control supply voltage applied to terminals A1-A2 is displayed by the glowing green LED. If the measured value exceeds the threshold valuemax (>U) or drops below the threshold valuemin (<U), the tripping delay TV starts and the red LED glows (overvoltage), or flashes W (undervoltage) respectively. Timing of TV is displayed by the flashing W green LED. When TV is complete and the measured value still exceeds the threshold valuemax minus the fixed hysteresis (5 %) or is still below the threshold valuemin plus the fixed hysteresis (5 %), the output relays energize and the yellow LED (relay energized) flashes Z. If the measured value decreases below the threshold valuemax minus the fixed hysteresis (5 %) or exceeds the threshold valuemin plus the fixed hysteresis (5 %), the red LED turns off. The output relays remain energized (latching function). If control supply voltage is interrupted (reset), the output relays de-energize and the yellow and green LEDs turn off. Closed-circuit principle g The voltage to be monitored (measured value) is applied to terminals B-C. When control supply voltage is applied to terminals A1-A2, the output relays energize and the green and yellow LED (relays energized) glow. If the measured value exceeds the threshold valuemax (>U) or drops below the threshold valuemin (<U), the tripping delay TV starts and the red LED glows (overvoltage), or flashes W (undervoltage) respectively. Timing of TV is displayed by the flashing W green LED. When TV is complete and the measured value still exceeds the threshold valuemax minus the fixed hysteresis (5 %) or is still below the threshold valuemin plus the fixed hysteresis (5 %), the output relays de-energize and the yellow LED (relays energized) flashes Y. If the measured value decreases below the threshold valuemax minus the fixed hysteresis (5 %) or exceeds the threshold valuemin plus the fixed hysteresis (5 %), the red LED turns off. The output relays remain de-energized (latching function). If control supply voltage is interrupted (reset), the yellow and green LEDs turn off. The output relays energize again when control supply voltage is re-applied. A1-A2 11-14 (15-18) 11-12 (15-16) 21-24 (25-28) 21-22 (25-26) 11-14 (15-18) 11-12 (15-16) 21-24 (25-28) 21-22 (25-26) open closed Thresholdmax Hysteresis green LED red LED yellow LED green LED red LED yellow LED Open-circuit principle Closed-circuit principle TV < TV Hysteresis Measured value Thresholdmin Reset < TV |
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