Advantech RS-485 user manual Technical specifications of ADAM-5051, TTL input ADAM-5051

I/O Modules

Application wiring

	+5 VDC
	10K
Digital	TTL Input
Input

Internal

Logic

Power GND

Figure 4-25: TTL input (ADAM-5051)

	+5 VDC
	10K
	Contact
Digital	Closure
Input

Internal

Logic

Power GND

Figure 4-26: Contact closure input (ADAM-5051)

Technical specifications of ADAM-5051

Points	16
	Logic level 0: + 1 V max
Digital input	Logic level 1: + 3.5 to 30 V
	Pull up current: 0.5 mA
	10 kΩ resistor to + 5 V
Power consumption	0.3 W

Table 4-11: Technical specifications of ADAM-5051

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