LG Electronics 120S user manual Digital Input Specification, Main unit, Circuit diagram, Com

Chapter 6 Input and Output Specification

6.2Digital Input Specification

6.2.1Main unit

1) Specification

	Model					Main unit
						K7M-	K7M-	K7M-	K7M-
Specification			K7M-DR10UE	K7M-DR14UE	DR/DRT/DT20U		DR/DRT/DT30U	DR/DRT/DT40U	DR/DRT/DT60U
						K7M-DR20UE	K7M-DR30UE	K7M-DRT40U	K7M-DRT60U
Number of input points		6 points		8 points	12 points		18 points	24 points	36 points
Insulation method			Photo coupler
Rated input voltage			DC 24V
Rated input current			7 mA (Standard Type P0~P3:9mA, Economic Type P0,P1:9mA)
Operating voltage range			DC20.4 ~ 28.8V (ripple: less than 5%)
Max. simultaneous input points			100% simultaneously On
On voltage / On current		DC19V or higher / 5.7 mA or higher
Off voltage / Off current		DC6V or lower / 1.8 mA or lower
Input impedance			Approx.3.3 kΩ(Standard Type P0~P3:2.7 kΩ, Economic Type P0,P1:2.7 kΩ)
Response time	Off → On		0,1,2,5,10,20,50,100,200,500,1000ms			(Default : 10ms)
	On → Off		0,1,2,5,10,20,50,100,200,500,1000ms			(Default : 10ms)
Common terminal			6 points / COM	8 points/COM	12 points/COM		18 points/ COM	12points/COM	18points/COM
Operating indicator			LED turns on at ON state of input

2) Circuit diagram

R		Internal
R	C
COM		circuit

R	Internal
R
COM	circuit

Standard Type	P000 ~ P001
Economic Type	None

Standard Type	P002 ~
Economic Type	P000 ~

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