24VDC 신호를 PLC로 보낼 때, 1.5제곱밀리미터 직경의 제어 케이블을 사용하는데, 300미터 거리를 전송해도 문제가 있을까요?
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RT, 현장은 PLC 캐비닛에서 약 300m 떨어져 있습니다. 거리가 멀어서 신호에 왜곡이 생기지는 않을까요?3. 고주파 신호인 경우, 너무 긴 케이블은 치명적인 영향을 미칩니다 :)
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