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4.4.2 LH42C4PT1P DC input/transistor output combined module
(Source type)
Item Specifications Appearance
Input specifications
Number of input points 32 points
Rated input voltage 24VDC (ripple rate: 5% or less) (Allowable voltage range: 20.4 to 28.8VDC)
Rated input current 4.0mA TYP. (at 24VDC)
Input ON voltage/ON current 19VDC or higher/3mA or higher
Input OFF voltage/OFF current 9VDC or lower/1.7mA or lower
Input resistance 5.7k
Input
response time
OFF to ON
1ms, 5ms, 10ms, 20ms, 70ms or less
(PLC parameter setting of CPU module) Initial setting is 10ms.
ON to OFF
1ms, 5ms, 10ms, 20ms, 70ms or less
(PLC parameter setting of CPU module) Initial setting is 10ms.
Input common terminal
arrangement
32 points/common (common terminal: 1B01, 1B02)
Output specifications
Number of output points 32 points
Rated load voltage 10.2 to 28.8VDC
Maximum load current 0.1A/point, 2A/common
Maximum inrush current Current is limited by the overload protection function.
Leakage current at OFF 0.1mA or less
Maximum voltage drop at ON 0.1VDC (TYP.) 0.1A, 0.2VDC (MAX.) 0.1A
Output
response time
OFF to ON 0.5ms or less
ON to OFF 1ms or less (rated load, resistance load)
Surge suppressor Zener diode
Fuse None
External
power supply
Voltage 12/24VDC (ripple rate: 5% or less) (Allowable voltage range: 10.2 to 28.8VDC)
Current 20mA (at 24VDC)/common
Output common terminal
arrangement
32 points/common (common terminal: 2B01, 2B02)
Protection
function
Overload
protection
function
Limited current when detecting overcurrent (overload protection): 1 to 3A/point
Activated in increments of 1 point. ( Page 53, Section 4.4)
Overheat
protection
function
Activated in increments of 2 points. ( Page 53, Section 4.4)
Common specifications
Dielectric withstand voltage 510VAC, 1 minute (altitude 2000m)
Insulation resistance 10M or more by insulation resistance tester
Noise immunity
By noise simulator of 500Vp-p noise voltage, 1µs noise width and 25 to 60Hz
noise frequency
Protection degree IP2X
Number of occupied I/O points 32 points (I/O assignment: input/output 32 points)
External interface
40-pin connector ( Page 64, Section 6.2.2)
5VDC internal current
consumption
150mA (TYP. all points ON)
Weight 0.12kg