Description
Function & Operational Behavior
Some of its key behaviors:
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It has 4 enabling current paths (NO safety contacts) and 2 signaling current paths (NC contacts). There is also 1 feedback (return) path, Y1 / Y2.
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When supply voltage is applied (via A1/A2), relays K1 and K2 switch ON. Then enabling paths close, and the feedback path opens. LEDs indicate the state of the relays.
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For the KV version, there are fixed OFF-delay times (tR1) available: 0.5 s, 1 s, 2 s, or 3 s. In case of supply failure (A1/A2), the device holds the relays energized until the off-delay time elapses. You cannot skip/cancel that delay.
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