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CK3W-MD71[]0

Digital I/O Unit

CK3W-MD71[]0

Digital I/O units for CK3M Controller

Item list of CK3W-MD71[]0

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last update: October 20, 2025

General Specifications

This section describes the Motion Controller specifications.

Item Specification
Enclosure Mounted in a panel
Grounding Method Ground to less than 100 Ω.
Operating
Environment		 Ambient Operating Temperature 0 to 55°C
Ambient Operating Humidity 10% to 95% (with no condensation or icing)
Atmosphere Must be free of corrosive gases.
Ambient Storage Temperature -25 to 70°C (with no condensation or icing)
Vibration Resistance Conforms to IEC 60068-2-6.
5 to 8.4 Hz with 3.5-mm amplitude,
8.4 to 150 Hz, acceleration of 9.8 m/s2
100 min each in X, Y, and Z directions (10 sweeps of 10 min
each = 100 min total)
Shock Resistance Conforms to IEC 60068-2-27.
147 m/s2, 3 times each in X, Y, and Z directions
Insulation Resistance 20 MΩ min. between isolated circuits (at 100 VDC)
Dielectric Strength 510 VAC between isolated circuits for 1 minute with a leakage
current of 5 mA max.
Applicable Standards cULus, EU: EN 61326, RCM, KC

Specifications

Digital input (NPN/PNP) Number of inputs 16 points
Rated input voltage 24 VDC
Maximum input voltage 26.4 VDC
Input current 3.9 mA typical (24 VDC)
ON voltage/ON current 15 VDC min./3 mA min.
OFF voltage/OFF current 5 VDC max./1 mA max.
ON/OFF response time 20 μs max./400 μs max.
Isolation method Isolation by Photocoupler (between input and internal circuit)
Circuit configuration NPN type
3772_sp_2_1
PNP type
3772_sp_2_2
Connection diagram NPN type
3772_sp_2_3
PNP type
3772_sp_2_4
Digital output (NPN) Internal common NPN
Rated voltage 12 to 24 VDC
Current consumption 40 mA max.
Operating load voltage range 10.2 to 26.4 VDC
Maximum load current 0.5 A/point, 2 A/Unit
Maximum inrush current 4.0 A/point, 10 ms max.
Leakage current 0.1 mA max.
Residual voltage 1.0 V max.
ON/OFF response time 0.1 ms max./0.8 ms max.
Isolation method Isolation by Photocoupler (between output and internal circuit)
Load short-circuit prevention Not provided
Circuit configuration 3772_sp_2_5
Connection diagram 3772_sp_2_6
Digital output (PNP) Internal common PNP
Rated voltage 12 to 24 VDC
Current consumption 80 mA max.
Operating load voltage range 10.2 to 26.4 VDC
Maximum load current 0.5 A/point, 2 A/Unit
Maximum inrush current 4.0 A/point, 10 ms max.
Leakage current 0.1 mA max.
Residual voltage 1.0 V max.
ON/OFF response time 0.1 ms max./0.8 ms max.
Isolation method Isolation by Photocoupler (between output and internal circuit)
Load short-circuit prevention Provided
Circuit configuration 3772_sp_2_7
Connection diagram 3772_sp_2_8
Power consumption 5 V: 1.0 W max.
Dimensions (height × depth × width) 90(H)/80(D)/31.6(W)
Weight 150 g max.

last update: October 20, 2025

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