LG Electronics 120S user manual D4980

Chapter 7 Usage of Various Functions

7. 2 Special module

The special module and allocated data registers are as followings.

					Item
Data				A/D			Analog	RTD input
	Expansion	Combination module		Conversion	D/A Conversion module
Register							timer	module
				module
		G7F-ADHA	G7F-ADHB	G7F-AD2A	G7F-DA2I	G7F-DA2V	G7F-AT2A	G7F-RD2A
D4980		CH0	CH0	CH0	CH0	CH0	CH0	CH0
		A/D value	A/D value	A/D value	D/A value	D/A value	A/T value	Temperature
D4981		CH1	CH1	CH1	CH1	CH1	CH1	CH1
		A/D value	A/D value	A/D value	D/A value	D/A value	A/T value	temperature
	#1
D4982		CH0	CH0	CH2	CH2	CH2	CH2	CH2
		D/A value	D/A value	A/D value	D/A value	D/A value	A/T value	temperature
D4983		-	CH1	CH3	CH3	CH3	CH3	CH3
			D/A value	A/D value	D/A value	D/A value	A/T value	temperature
D4984		CH0	CH0	CH0	CH0	CH0	CH0	CH0
		A/D value	A/D value	A/D value	D/A value	D/A value	A/T value	temperature
D4985		CH1	CH1	CH1	CH1	CH1	CH1	CH1
		A/D value	A/D value	A/D value	D/A value	D/A value	A/T value	temperature
	#2
D4986		CH0	CH0	CH2	CH2	CH2	CH2	CH2
		D/A value	D/A value	A/D value	D/A value	D/A value	A/T value	temperature
D4987		-	CH1	CH3	CH3	CH3	CH3	CH3
			D/A value	A/D value	D/A value	D/A value	A/T value	temperature
D4988		CH0	CH0	CH0	CH0	CH0	CH0	CH0
		A/D value	A/D value	A/D value	D/A value	D/A value	A/T value	temperature
D4989		CH1	CH1	CH1	CH1	CH1	CH1	CH1
		A/D value	A/D value	A/D value	D/A value	D/A value	A/T value	temperature
	#3
D4990		CH0	CH0	CH2	CH2	CH2	CH2	CH2
		D/A value	D/A value	A/D value	D/A value	D/A value	A/T value	temperature
D4991		-	CH1	CH3	CH3	CH3	CH3	CH3
			D/A value	A/D value	D/A value	D/A value	A/T value	temperature

RTD input module store digital conversion value of temperature value to data registers as below

Expansion		Temperature				Digital conversion value
	Ch 0	Ch 1	Ch 2	Ch 3	Ch 0	Ch 1	Ch 2	Ch 3
#1	D4980	D4981	D4982	D4983	D4780	D4781	D4782	D4783
#2	D4984	D4985	D4986	D4987	D4784	D4785	D4786	D4787
#3	D4988	D4989	D4990	D4991	D4788	D4789	D4790	D4791

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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