Eaton Electrical D77A user manual Sign Bit = True = False +

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

Table 40: 0x006C (108) Analog Output Status (Available in I/O As Control Elements)

Size	Description
n Bytes	This provides channel status for the analog outputs.
	U = Under Range
	O = Over Range

			Byte		Bit 7		Bit 6			Bit 5 *			Bit 4 *		Bit 3			Bit 2		Bit 1 *		Bit 0 *
			0							O1			U1							O0		U0
Table 41: 0x006F (111) 16 bit Signed Analog Input Data (Available in I/O As Control Elements)
Size	Description
Word	This provides the 16 bit signed analog input data for the module.
														Bit Position
		Word		15	14	13		12	11		10		9	8		7	6		5	4	3		2	1	0
		0		SB*								Analog Input Data Channel 0													0
		1		SB*								Analog Input Data Channel 1													0
		2		SB*								Analog Input Data Channel 2													0
		3		SB*								Analog Input Data Channel 3													0

Sign Bit*

1= True (-)

0= False (+)

Table 42: 0x0070 (112) 16 bit Signed Analog Output Data (Available in I/O As Control Elements)

Size

Description

Word	This provides the 16 bit signed analog output data for the module.
											Bit Position
		Word	15	14	13	12	11	10		9	8	7	6	5	4	3	2	1	0
		0	SB*						Analog Input Data Channel 0										0
		1	SB*						Analog Input Data Channel 1										0

Sign Bit*

1= True (-)

0= False (+)

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