LG Electronics 120S Usage of Various Functions 1 A/D·D/A Combination module, G7F-ADHA G7F-ADHB

Chapter 7 Usage of Various Functions

7.2.1 A/D·D/A Combination module

1) Performance specification

The performance specification of the analog mixture module are following.

	Item			Specifications
			G7F-ADHA		G7F-ADHB
		Voltage	DC 0∼10V	(input resistance	more than 1 ㏁)
	Input range		DC 0∼20 ㎃ (input resistance 250Ω)
		Current	DC 4∼20 ㎃ (input resistance 250Ω)
			Classified by parameter
	Digital output	12Bit( 0~4000)
Analog Input		1.Setting by jumper pin for V/I selection			1.Setting by dipswitch for V/I selection
		on upper part of product			on left side of product
	Voltage/Current
		(Up: voltage, Down: Current)			(Left voltage, Right: Current)
	selection
		2. Voltage/current selected by KGLWIN parameter
		3. When current input is used, short the V and I terminal
	No. of channel	2 Channels/ 1 module
	Absolute max. input	Voltage	DC +12V
		Current	DC +24 ㎃
		Voltage	DC 0∼10V	(External load resistance 2 ㏀∼1 ㏁)
	Output range	Current	DC 0∼20 ㎃ (External load resistance 510Ω)
			DC 4∼20 ㎃ (External load resistance 510Ω)
			Classified by parameter
Analog output	Digital Input	12Bit( 0~4000)
	Voltage/Current	Separated from terminal
	selection
	No. of channel	1Channel / 1 module			1Channel / 2 module
	Absolute max. output	Voltage	DC +12V
		Current	DC +24 ㎃
		Voltage	DC0∼10V : 2.5 ㎷ (1/4000)
	Max. resolution	Current	DC0∼20 ㎃: 5	㎂ (1/4000 )
			DC4∼20 ㎃: 6.25 ㎂ (1/3200 )
	Accuracy	±0.5% [Full scale ]
	Max. conversion	1 ㎳/CH + scan time
	speed
Common	Isolation	Photo coupler insulation between I/O terminals and PLC power supply
		(No isolation between channels)
	Connect terminal	9 Points terminals *2			8 Points terminals *2
	Internal current	20 ㎃
	Consumption
	External power	DC 21.6	∼ 26.4V
	supply	80 ㎃			95 ㎃
	Weight	240g			180g

Remark

1)Offset/gain value can’t be changed, it is fixed.

2)Analog inputting is set the current since this is manufactured.

3)Extend to use max.3 Modules

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