Eaton Electrical D77A user manual Bit Resolution Equations

Intelligent Technologies (IT.) D77A I/O Module Products

32766		32766		32766
31206	31206		31206

		6242
		3120
0		0				0
0V	5V 5.25V	0V		1V	5V 5.25V	0V	10V	10.5V
	(A)		0.5V		(B)		(C)

32766		32766
31206	31206

		6242
0		4992
		0
0mA	20mA 21mA
		0mA		4mA		20mA 21mA
	(D)		3.2mA
					(E)		D77A-031

Figure 6: Analog Input Curves

14 Bit Resolution Equations

Vdc = Voltage input value mA = Current input value N = Decimal value

0-5 Vdc, 1-5 Vdc

•Vdc = (1/6241.2) x N 0-10 Vdc

•Vdc = (1/3120.6) x N 4-20 mA, 0-20 mA

•mA = (1/1560.2) x N

a)0-5V Range Setting

b)1-5V Range Setting

c)0-10V Range Setting

d)0-20mA Range Setting

e)4-20mA Range Setting

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