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Timing relays

Power electronics

Monitoring relays

Loadmonitors

Grid and system protection

Complementary products

Function overview

Ec ADDITIVE ON DELAY

ADDITIVE ON DELAY

When the supply voltage U is applied, the release for the interval starts. When the control contact S is closed, the set interval t begins. If the control contact S is opened during the set interval t, the interval stops, and the already expired interval is stored. During the lapse of time the control contact can be opened or closed as often as required. If the sum of the periods, in which the control contact S is closed reaches the set interval

t the output relay R switches into on-position. The interval is stopped and a further activation of the control contact S remains without effect. By interrupting the supply voltage, the device will be reset. A possibly expired time t is deleted.

Ip ASYMMETRIC FLASHER PAUSE FIRST

ASYMMETRIC FLASHER PAUSE FIRST

When the supply voltage U is applied, the set interval t1 begins. After the interval t1 has expired, the output relay R switches into on-position and the set interval t2 begins. After the interval t2 has expired, the output relay switches into off-position. The output relay is triggered at the ratio of t1:t2 until the supply voltage is interrupted.

Ii ASYMMETRIC FLASHER PULSE FIRST

ASYMMETRIC FLASHER PULSE FIRST

When the supply voltage U is applied, the output relay R switches into on-position and the set interval t1 begins. After the interval t1 has expired, the output relay switches into off-position and the set interval t2 begins. After the interval t2 has expired, the output relay switches into on-position. The output relay is triggered at the ratio of t1:t2 until the supply voltage is interrupted.

ASYM ASYMMETRY MONITORING

ASYMMETRY MONITORING

If the asymmetry of the phase-to-phase voltages exceeds the value set at the ASYM-regulator, the output relay switches into off-position. If the neutral wire is connected to the device, the asymmetry of the phase voltages referred to the neutral wire (Y-voltage) is monitored also. In that case both values of the asymmetry are evaluated and if one of the values exceeds the value set at the ASYM-regulator, the output relay switches into off-position.

Bp FLASHER PAUSE FIRST

FLASHER PAUSE FIRST

When the supply voltage U is applied, the set interval t begins. After the interval t has expired, the output relay R switches into on-position and the set interval t begins again. After the interval t has expired, the output relay switches into off-position. The output relay is triggered at a ratio of 1:1 until the supply voltage is interrupted.

Bi FLASHER PULSE FIRST

FLASHER PULSE FIRST

When the supply voltage U is applied, the output relay R switches into on-position and the set interval t begins. After the interval t has expired, the output relay R switches into off-position and the set interval t begins again. The output relay is triggered at a ratio of 1:1 until the supply voltage is interrupted.

P IMPULSE SWITCH MODE

IMPULSE SWITCH MODE

In this mode, every keypress of the pushbutton (control input) toggles the output relay R (flip-flop). In function P, the output relay remains in off-position, whenever the supply voltage is applied. In function PN, the output relay switches into on-position after applying the supply voltage U, if the output relay was in on-position last before power failure. In both functions the output relay switches into on-position, if a short voltage impulse (<2s) is applied to the additional control input (central ON). A longer voltage impulse (>2s) opens the output relay (central OFF).

LA LOAD ALTERNATOR – PUMP CHANGER

LOAD ALTERNATOR – PUMP CHANGER

In this mode, every falling edge toggles the output relay R (flip-flop) from L1 to L2 or L2 to L1 whatever position is defined by the previous status. On Power-Up the relay R stays in off condition until the first falling edge is detected on S Terminal B1. To ensure a safe and optimal function, please turn both timing controllers on the front to the most left position (CCW), which equals 50 msec. In this operation mode, a minimum delay/ de-bump time of 50 msec is applied from the falling edge of the control input until relay R is changing its state. Is a longer delay time as 50 msec is set, a short pulse on the „S“ input resets the times. The timer is restarted with the next falling edge signal on „S“ input again. If you wish to apply longer delay times, set the according time selectors to the required values or contact your application engineer.

R Off Delay

Off Delay

The supply voltage U must be constantly applied to the device. When the control contact S is closed, the output relay R switches into on-position. If the control contact is opened, the set interval t begins. After the interval t has expired the output relay switches into off-position. If the control contact is closed again before the set interval has expired, the interval already expired is erased and is restarted.

A Off Delay without auxiliary voltage

Off Delay without auxiliary voltage

When the supply voltage U is supplied, the output relay R swiches into on-position. If the supply voltage is interrupted, the set interval t begins. After the set interval t has expired the output relay R switches into off-position. If the supply voltage is reconnected before the interval t has expired the interval already is erased and is restarted with the next cycle.

E On Delay

On Delay

When the supply voltage U is applied, the set interval t begins. After the interval t has expired the output relay R switches into on-position. This status remains until the supply voltage is interrupted. If the supply voltage is interrupted before the expiry of the set interval, the interval t already expired is erased and is restarted when the supply voltage is next applied.

ER On delay and off delay with control contact

On delay and off delay with control contact

The supply voltage U must be constantly applied to the device. When the control contact S is closed, the set interval t1 begins. After the interval t1 has expired, the output relay R switches into on-position. If the control contact is opened, the set interval t2 begins. After the interval t2 has expired, the output relay Switches into off-position. If the control contact is opened before the interval t1 has expired, the interval already expired is erased and is restarted with the next cycle.

EWu ON DELAY SINGLE SHOT LEADING EDGE WITH CONTROL CONTACT

ON DELAY SINGLE SHOT LEADING EDGE WITH CONTROL CONTACT

When the supply voltage U is applied, the set interval t1 begins. After the interval t1 has expired, the output relay R switches into on-position and the set interval t2 begins. After the interval t2 has expired, the output relay switches into off-position. If the supply voltage is interrupted before the interval t1+t2 has expired, the interval already expired is erased and is restarted when the supply voltage is next applied.

EWs ON DELAY SINGLE SHOT LEADING EDGE WITH CONTROL CONTACT

ON DELAY SINGLE SHOT LEADING EDGE WITH CONTROL CONTACT

The supply voltage U must be constantly applied to the device. When the control contact S is closed, the set interval t1 begins. After the interval t1 has expired, the output relay R switches into on-position and the set interval t2 begins. After the interval t2 has expired, the output relay switches into offposition. During the interval, the control contact can be operated any number of times. A further cycle can only be started when the cycle run has been completed.

Es ON DELAY WITH CONTROL INPUT

ON DELAY WITH CONTROL INPUT

The supply voltage U must be constantly applied to the device. When the control contact S is closed, the set interval t begins. After the interval t has expired the output relay R switches into on-position. This status remains until the control contact is opened again. If the control contact is opened before the interval t has expired, the interval already expired is erased and is restarted with the next cycle.

O Over

Over

If the measured value exceeds the adjusted MAX threshold, the output relay switches into off-position. The output relay switches into on-position again, as soon as the measured value falls below the adjusted MIN threshold.

Phase Failure

Sobald eine der drei Phasen ausfällt, zieht das Ausgangsrelais R an und fällt ab (gelbe LED leuchtet nicht). Zur sicheren Erkennung von Phasenausfällen sollte die Asymmetriefunktion aktiviert werden. Es wird empfohlen, den Neutralleiter des Überwachungsrelais anzuschließen, sobald Lasten im System den Nullleiteranschluss verwenden.

SEQ Phase Sequence

Wenn alle Phasen in der richtigen Reihenfolge angeschlossen sind und die gemessene Asymmetrie kleiner als der festgelegte Wert ist, zieht das Ausgangsrelais an (gelbe LED leuchtet). Wenn sich die Phasenfolge ändert, fällt das Ausgangsrelais ab (gelbe LED leuchtet nicht). Es wird empfohlen, den Neutralleiter des Überwachungsrelais anzuschließen, sobald Lasten im System den Nullleiteranschluss verwenden.

Wt PULSE DETECTION

PULSE DETECTION

When the supply voltage U is applied, the set interval t1 begins and the output relay R switches into on- position. After the interval t1 has expired, the set interval t2 begins. So that the output relay R remains in on-position, the control contact S must be closed and opened again within the set interval t2. If this does not happen, the output relay R switches into off-position and all further pulses at the control contact are ignored. To restart the function the supply voltage must be interrupted and reapplied.

Wtf PULSE SEQUENCE MONITORING EDGE TRIGGERED

PULSE SEQUENCE MONITORING EDGE TRIGGERED

When the supply voltage U is applied the green LED U/t illuminated. When the control contact S is closed (rising edge) the output relay R switches into on- position (yellow LED illuminated) and the set interval t begins (green LED U/t flashes). So that the output relay R remains in on-position, the control contact S must be opened and closed again within the set interval t. if this does not happen, the output relay R switches into off-position. If a new positive edge on the control input is detected, the interval t begins (green LED U/t flashes) and the outputs relay R switches into on-position (yellow Led illuminated).

Wto PULSE SEQUENCE MONITORING EDGE TRIGGERED WITH ON STATE

PULSE SEQUENCE MONITORING EDGE TRIGGERED WITH ON STATE

When the supply voltage U is applied the green LED U/t illuminated and if the control input S is on at the same time the set interval t begins (green LED U/t flashes) and the output relay R switches into on position (yellow Led illuminated). If there is no rising edge detected on the control input S, then the Relay R switches into off state. When the control contact S is closed (rising edge) again the output relay R switches into on- position (yellow Led illuminated) and the set interval t begins (green LED U/t flashes). So that the output relay R remains in on- position, the control contact S must be opened and closed again within the set interval t. if this doed not happen, the output relay R switches into off-position. If a new positive edge on the control input is detected, the interval t begins (green LED U/t flashes) and the output relay R switches into on-position (yellow Led illuminated).

WsWa SINGLE SHOT LEADING AND SINGLE SHOT TRAILING EDGE WITH CONTROL CONTACT

SINGLE SHOT LEADING AND SINGLE SHOT TRAILING EDGE WITH CONTROL CONTACT

The supply voltage U must be constantly applied to the device. When the control contact S is closed, the output relay R switches into on-position and the set interval t1 begins. After the interval t1 has expired, the output relay R switches into off-position. If the control contact is opened, the output relay again switches into on-position and the set interval t2 begins. After the interval t2 has expired the output relay switches into off- position. During the interval, the control contact can be operated any number of times.

Wu SINGLE SHOT LEADING EDGE VOLTAGE CONTROLLED

SINGLE SHOT LEADING EDGE VOLTAGE CONTROLLED

When the supply voltage U is applied, the output relay R switches into on-position and the set interval t begins. After the interval t has expired the output relay switches into off-position. This status remains until the supply voltage is interrupted. If the supply voltage is interrupted before the interval t has expired, the output relay switches into off-position. The interval already is erased and is restarted when the supply voltage is next applied.

Ws SINGLE SHOT LEADING EDGE WITH CONTROL INPUT

SINGLE SHOT LEADING EDGE WITH CONTROL INPUT

The supply voltage U must be constantly applied to the device. When the control contact S is closed, the output relay R switches into on-position and the set interval t begins. After the interval t has expired the output relay switches into off-position. During the interval, the control contact can be operated any number of times. A further cycle can only be started when the cycle run has been completed.

Wa SINGLE SHOT TRAILING EDGE WITH CONTROL INPUT

SINGLE SHOT TRAILING EDGE WITH CONTROL INPUT

The supply voltage U must be constantly applied to the device. Closing the control contact S has no influence on the condition of the output R. When the control contact is opened, the output relay switches into on-position and the set interval t begins. After the set interval has expired, the ouput relay switches into off- position. During the interval, the control contact can be operated any number of times. A further cycle can only be started when the cycle run has been completed.

S Star-Delta Start-up

Star-Delta Start-up

When the supply voltage U is applied, the star-contact switches into on-position and the set star-time t1 begins. After the interval t1 has expired the star-contact switches into off-position and the set transit-time t2 begins. After the interval t2 has expired the delta-contact switches into on-position. To restart the function the supply voltage must be interrupted and reapplied.

TEMP TEMPERATURE MONITORING

TEMPERATURE MONITORING

If the supply voltage U is applied and the cumulative resistance of the PTC-circuit is less than 3.6k Ω (standard temperature of the motor), the output relay R switches into on-position. When the cumulative resistance of the PTC-circuit exceeds 3.6k Ω, the output relay switches into off-position. The output relay switches into on-position again after the cumulative resistance falls below 1.6k Ω.

U Under

Under

If the measured value falls below the adjusted MIN threshold, the output relay switches into off-position. The output relay switches into on-position again, as soon as the measured value exceeds the adjusted MAX threshold.

W Window

Window

If the measured value falls below the adjusted MIN threshold, the output relay switches into off-position. The output relay switches into on-position again, as soon as the measured value exceeds the adjusted MIN threshold. If the measured value exceeds the adjusted MAX threshold, the output relay switches into off-position. The output relay switches into on-position again, as soon as the measured value falls below the adjusted MAX threshold.

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