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MELSEC-L Series DC Input Unit

DC Input Unit Specifications

ItemLX40C6LX41C4LX42C4
Number of Inputs16 points32 points64 points
Rated Input Voltage24 V DC (+20%/-15%, ripple ratio within 5%)
Rated Input Current6.0 mA TYP. (at 24 V DC)4.0 mA TYP. (at 24 V DC)
ON Voltage / ON Current15 V or more / 4 mA or more19 V or more / 3 mA or more
OFF Voltage / OFF Current8 V or less / 2 mA or less9 V or less / 1.7 mA or less
Input Resistance3.8 kΩ5.7 kΩ
Response TimeOFF > ON1 ms / 5 ms / 10 ms / 20 ms / 70 ms or less
(initial setup: 10 ms)
ON > OFF
Common Method16 points 1 common32 points 1 common
Number of Occupied Units1
Number of Occupied Inputs/Outputs16 points (I/O assignment: input 16 points)32 points (I/O assignment: input 32 points)64 points (I/O assignment: input 64 points)
External Wiring Connection Method18-point terminal block40-pin connector40-pin connector × 2
5 V DC Internal Current Consumption90 mA (TYP. all points ON)100 mA (TYP. all points ON)120 mA (TYP. all points ON)
Weight0.15 kg0.11 kg0.12 kg

Shared Use for Positive Common / Negative Common

All DC input unit models share a positive common and a negative common, eliminating the need to use separate units.

Selectable Response Speed According to Equipment to be Connected

All DC input units are capable of selecting the response time from 1 ms, 5 ms, 10 ms, 20 ms and 70 ms, according to the equipment to which it is connected.

Part Number
LX40C6
LX41C4
LX42C4
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSFeatures Number Of Inputs
(Point)
Rated input current
(mA)
Terminal shape

-

1 Piece(s) Quote -16-point 1-common16618-point terminal block

-

1 Piece(s) Quote 632-point 1-common32440-pin connector

-

1 Piece(s) Quote -32-point 1-common64440-Pin Connector × 2

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Basic Information

Rated Input Voltage(V) DC20.4 to 28.8 Representative Standard CE / UL Input answer time 1/5/10/20/70
Type of unit DC input

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