safety input

The 1756-IB16S Safety Input Card: Dual Channel, Test Pulses and What OSSD Means

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A dual-channel gate switch wired to a 1756-IB16S with TO-0 to IN-0 and TO-1 to IN-1, the rest of the terminals shown, and the point mode, pulse and delay rules printed underneath

The 1756-IB16S Safety Input Card: Dual Channel, Test Pulses and What OSSD Means Channels 0 and 8 look like the obvious pair for a dual-channel gate switch on a 1756-IB16S. They are directly opposite each other on the terminal block and the wiring is tidy. They are also the one pair the module will not … Read more

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