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SCHNEIDER 140CRA31200 France Manufacture MODICON 140CRA31200
If the measured value is correct, the output relays remain de-energized when control supply voltage is applied.
If the measured value exceeds the adjusted threshold value t2, output relay R2 (prewarning) energizes. If the
measured value exceeds the adjusted threshold value t1, output relay R1 (final switch-off) energizes.
If the measured value drops again below the adjusted threshold value t1 minus the adjusted hysteresis, output
relay R1 (final switch-off) de-energizes. If the measured value drops below the adjusted threshold value t2
minus the adjusted hysteresis, output relay R2 (prewarning) de-energizes.
Closed-circuit principle:
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