TwinSAFE terminals: KLx90x
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| TwinSAFE terminals: KLx90x | |
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| 24 V DC | KL1904 4-channel digital input terminal, IEC 61508 SIL 3 and EN 954 Cat. 4 |
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| KL2904 4-channel digital output terminal, IEC 61508 SIL 3 and EN 954 Cat. 4 |
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| Controller | KL6904 TwinSAFE Logic BusTerminal with 4 digital outputs, IEC 61508 SIL 3 and EN 954 Cat. 4 |