Omron CK3W-MD7110 Digital I/O Unit

USD 540.83

32-point high-speed digital I/O unit for CK3M/CK5M controllers. Compact 31.6 mm footprint with NPN logic and 25 µs cycle support for precision CNC machining and robotics.

SKU Omron-CK3W-MD7110 Category
Industrial Automation > Programmable Logic Controllers (PLCs) > I/O Modules

Omron CK3W-MD7110 Digital I/O Unit

Model Identifier CK3W-MD7110
Official Part Number CK3W-MD7110
GTIN Standard 4549734537872

Technical Overview

The Omron CK3W-MD7110 is a high-performance Digital I/O Unit engineered for the CK3M and CK5M series Programmable Multi-Axis Controllers. It provides 16 digital inputs and 16 NPN digital outputs, operating at 24 VDC. Designed as a critical expansion module for high-speed, synchronized machine control, this unit seamlessly integrates into the system to support ultra-fast servo cycles (down to 25 µs) for precision machining and complex robotic applications.

Key Features

  • 16 digital inputs and 16 NPN digital outputs
  • Seamless integration with CK3M and CK5M Programmable Multi-Axis Controllers
  • Ultra-compact panel-mount form factor (31.6 mm width)
  • Supports high-speed synchronized multi-axis machine control
  • Push-in terminal block supports twisted wires, solid wires, and ferrules
  • Broad operating temperature range from 0°C to 55°C

24 VDC Rated Input Voltage; 1.0 W max Power Consumption at 5V

Technical Specification Matrix

ParameterValue
Module TypeDigital I/O Unit
Number of Inputs16
Number of Outputs16
Output TypeNPN
Rated Input Voltage24 VDC
Power Consumption (5V)1.0 W max
Dimensions (H x D x W)90 mm x 80 mm x 31.6 mm
Weight150 g max
Operating Temperature0°C to 55°C
Operating Humidity10% to 95% (with no condensation)
Grounding MethodGround to less than 100 Ω
EnclosureMounted in a panel

Industrial Applications

1. High-Speed Packaging Machinery Synchronization

Implementing sub-millisecond digital I/O synchronization in high-speed rotary packaging equipment to precisely handle gating, rejection, and camera triggers.

Problem Solved

Standard programmable controller I/O often lacks the deterministic response required for ultra-high-speed rejection mechanisms. By expanding the CK3M controller with the CK3W-MD7110, the system leverages deterministic I/O tied directly to the ultra-fast 25 µs multi-axis servo cycle, ensuring flawless real-time actuation.

25 µs servo cycleDeterministic I/OEtherCAT synchronizationNPN output

2. Semiconductor Wafer Handling Robotics

Managing peripheral sensors and pneumatic actuators on highly precise multi-axis wafer transfer arms.

Problem Solved

Wafer handling requires absolute positional accuracy coupled with instantaneous response from pneumatic end-effectors. The 16 high-speed inputs instantly capture vacuum limits and proximity sensors, while the 16 NPN outputs actuate pneumatic solenoid valves, effectively managing high-density I/O arrays within a compact 31.6 mm footprint.

24 VDC InputsHigh-density footprintPneumatic solenoid controlMulti-axis controller expansion

3. Advanced CNC Machining Center Control

Coordination of auxiliary machine functions such as coolant pumps, automatic tool changers, and limit switch feedback on high-precision CNC routers.

Problem Solved

Complex machining centers demand tight integration between auxiliary component operations and the primary G-code motion paths. Operating flawlessly in temperatures up to 55°C, this unit controls critical auxiliary I/O operations directly from the main motion controller, eliminating communication latency associated with secondary microcontrollers.

0 to 55°C Ambient Operating TemperatureCNC auxiliary controlNPN logicG-Code synchronization
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