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- Schneider
- HMISCU6A5
- Small Touch HMI Controller
- France
- 74.95 × 128 × 102 mm
- 0.512 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Schneider HMISCU6A5 combines a 3.5-inch color touchscreen with a programmable controller in a single unit. Part of the Harmony SCU range, it is intended for compact machines where operators need a local interface for monitoring status, adjusting settings and interacting with control logic without installing a separate HMI panel and PLC.
The controller includes 16 digital inputs and 10 digital outputs, including high-speed input and pulse-output functions. This I/O arrangement supports applications such as compact packaging machines, material-handling equipment and small automated production stations where discrete sensors and actuators must be coordinated with an operator interface.
The HMISCU6A5 supports 24 V DC power and provides Ethernet, USB, serial and CANopen communication interfaces. Machine logic and HMI functions are configured using the applicable Schneider Electric engineering software, allowing the operator display and embedded control functions to be developed as part of one system.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Schneider Electric |
| Model | HMISCU6A5 |
| Product Series | Harmony SCU |
| Product Type | Small touch HMI controller |
| Display Size | 3.5 inch |
| Display Type | Color TFT LCD with LED backlight |
| Display Resolution | 320 × 240 pixels (QVGA) |
| Touchscreen Type | Analog resistive touch |
| Supply Voltage | 24 V DC |
| Permitted Supply Voltage | 20.4–28.8 V DC |
| Digital Inputs | 16, including 2 high-speed counter inputs |
| Digital Outputs | 10, including 2 pulse outputs |
| Communication Interfaces | Ethernet, USB, serial link and CANopen |
| Application Memory | 128 MB |
| Programming Software | SoMachine; software compatibility depends on the installed version and project requirements |
| Mounting Method | Panel mounting through a 22 mm hole |
| Dimensions | 74.95 × 128 × 102 mm |
| Weight | 0.512 kg |
Product Features
- Integrated HMI and controller: Combines operator interaction and machine control in one unit, reducing the need for separate devices.
- 3.5-inch color touchscreen: Displays machine status, operating values, alarms and control screens.
- Built-in digital I/O: Provides 16 digital inputs and 10 digital outputs for compatible sensors and actuators.
- High-speed input functions: Supports high-speed counter applications where fast pulse acquisition is required.
- Pulse output capability: Supports pulse-based control functions for compatible equipment.
- Multiple communication interfaces: Ethernet, USB, serial and CANopen interfaces support integration with suitable automation devices.
- 24 V DC operation: Fits common low-voltage control cabinet power arrangements.
- Compact panel mounting: The 22 mm mounting-hole arrangement simplifies installation where a conventional rectangular HMI cutout is undesirable.
- Integrated engineering environment: Allows HMI screens and controller logic to be developed within the applicable programming software.
Working Principle
The HMISCU6A5 combines the operator interface and programmable control functions. Inputs from connected switches, proximity sensors and other digital devices are processed by the controller logic. Based on the program, the controller updates outputs for compatible actuators and refreshes the touchscreen with machine status and operator information.
For example, on a compact packaging machine, an operator can select an operating mode and monitor cycle status through the touchscreen. The controller can process signals from product-detection sensors, execute sequencing logic and switch outputs for supported control devices. High-speed input and pulse-output functions can be used where the application requires pulse counting or pulse-based commands.
Ethernet, serial and CANopen communications allow the unit to exchange data with compatible automation equipment. The exact communication protocol, data mapping and control behavior depend on the application configuration and connected devices.
Role in a Harmony SCU Machine Control Architecture
The HMISCU6A5 acts as both the local operator interface and the embedded controller. It receives field signals, executes programmed logic, updates the display and communicates with compatible devices through its available interfaces.
| System Component | Function | Relationship to the HMISCU6A5 |
|---|---|---|
| HMISCU6A5 HMI Controller | Executes control logic and provides the operator interface | Central HMI and control unit |
| Digital Sensors | Detect position, presence or machine state | Supply signals to the digital inputs |
| Pushbuttons and Selector Switches | Provide local operator commands | Connect to configured input channels |
| Digital Actuators | Operate compatible valves, relays or other loads | Controlled through the digital outputs within their ratings |
| High-Speed Sensors | Generate pulse signals for counting or measurement | Can use the high-speed counter inputs |
| Pulse-Controlled Devices | Receive pulse commands for compatible positioning or motion functions | Can use configured pulse outputs |
| Ethernet Network | Connects compatible devices for data exchange | Provides Ethernet communication |
| CANopen Devices | Exchange control and status data over CANopen | Connect through the CANopen interface |
| Serial Devices | Exchange data using a supported serial configuration | Connect through the serial interface |
| 24 V DC Power Supply | Supplies operating power | Powers the HMI controller and its integrated control electronics |
Industrial Applications
| Application | Typical Control Requirement | Role of the HMISCU6A5 |
|---|---|---|
| Packaging Machinery | Cycle control, sensor monitoring and operator settings | Combines local HMI operation with discrete machine control |
| Material Handling | Sensor-based sequencing and equipment status display | Processes input signals and presents operating information |
| Compact Assembly Stations | Coordination of switches, sensors and actuators | Executes machine logic and displays operating states |
| Small Process Equipment | Local monitoring and simple control sequences | Provides a combined operator and controller interface |
| Pumping Equipment | Start/stop commands, status monitoring and interlocks | Supports configured control logic and operator interaction |
| HVAC Equipment | Discrete control and local status indication | Manages compatible I/O and presents operating information |
| Laboratory and Test Equipment | Operator settings and discrete sequence control | Combines a touchscreen with embedded control functions |
| Machine Retrofit Projects | Replacement of separate compact HMI and control components | Can consolidate functions where I/O and communications are suitable |
Installation and Maintenance
- Verify the model reference: Confirm HMISCU6A5 and the required I/O configuration before installation.
- Check the panel opening: Prepare the specified 22 mm mounting hole and confirm that the panel arrangement suits the device’s mounting system.
- Inspect the mounting location: Ensure the installation location allows access to connectors and sufficient ventilation.
- Confirm the power supply: Provide a suitable 24 V DC supply within the permitted voltage range and verify the circuit protection requirements.
- Isolate power before wiring: Disconnect power before installing or removing field wiring to reduce the risk of electrical damage or injury.
- Review the I/O assignment: Match each sensor and actuator to the correct input or output terminal and configured program address.
- Check output-load requirements: Confirm that connected loads remain within the controller’s output ratings; use suitable interface devices where required.
- Verify communication wiring: Check Ethernet, serial and CANopen wiring against the selected protocol and connected-device requirements.
- Configure the controller program: Use compatible engineering software to develop or load the control logic and HMI application.
- Test touchscreen operation: Verify that displayed values, commands, alarms and navigation behave as intended.
- Commission the machine sequence: Test inputs, outputs, interlocks and communication behavior under controlled conditions before normal operation.
- Record the configuration: Document the program version, I/O assignments, communication settings and replacement details for future maintenance.
Related Components
| Component | Function | Relationship to the HMISCU6A5 |
|---|---|---|
| Schneider HMISCU6B5 | Harmony SCU HMI controller with digital and analog I/O | Related 3.5-inch model with a different I/O configuration |
| Schneider HMISCU8A5 | Harmony SCU HMI controller with a 5.7-inch display and digital I/O | Larger-display model in the same family |
| Schneider HMISCU8B5 | Harmony SCU HMI controller with a 5.7-inch display and mixed I/O | Related model with a different display size and I/O arrangement |
| Schneider HMISAC | Harmony SCU controller rear module | Replacement rear module used with the corresponding compatible screen module |
| Schneider HMIS65 | Harmony SCU 3.5-inch screen module | Screen module used in the corresponding modular configuration |
| Schneider HMIS85 | Harmony SCU 5.7-inch screen module | Larger screen option for the corresponding modular configuration |
| 24 V DC Power Supply | Supplies controller operating power | Provides the required DC input |
| Digital Input Devices | Detect machine conditions | Provide signals to the embedded digital inputs |
| Digital Output Interface Devices | Switch compatible field loads | Connect controller outputs to loads where interface devices are needed |
| Ethernet and CANopen Devices | Exchange data with the controller | Use the corresponding communication interfaces |
Recommended Related Models
| Model | Product Type | Relationship | Selection Consideration |
|---|---|---|---|
| Schneider HMISCU6A5 | Harmony SCU Small Touch HMI Controller | Main product | 3.5-inch touchscreen with digital I/O |
| Schneider HMISCU6B5 | Harmony SCU Small Touch HMI Controller | Related 3.5-inch model | Choose when the application requires analog I/O |
| Schneider HMISCU8A5 | Harmony SCU Small Touch HMI Controller | Larger-display variant | 5.7-inch display with digital I/O |
| Schneider HMISCU8B5 | Harmony SCU Small Touch HMI Controller | Larger-display variant | 5.7-inch display with mixed digital and analog I/O |
| Schneider HMISAC | Harmony SCU Controller Rear Module | Modular system component | Check compatibility with the required screen module |
| Schneider HMIS65 | Harmony SCU 3.5-inch Screen Module | Modular screen component | Used in the corresponding supported modular arrangement |
| Schneider HMIS85 | Harmony SCU 5.7-inch Screen Module | Modular screen component | Used where the supported configuration requires a 5.7-inch screen |
Key Advantages
- Combines HMI and programmable control in a single device.
- Provides a 3.5-inch color touchscreen for local machine operation.
- Includes digital inputs, digital outputs and high-speed pulse functions.
- Supports Ethernet, serial, USB and CANopen communications.
- Uses 24 V DC power and a 22 mm panel mounting arrangement.
- Offers related models with alternative display sizes and I/O configurations.
Technical FAQs
How many high-speed inputs and pulse outputs does the HMISCU6A5 provide?
The HMISCU6A5 has 16 digital inputs, including 2 high-speed counter inputs, and 10 digital outputs, including 2 pulse outputs. Their use depends on the program configuration and the electrical requirements of the connected devices.
Which communication interfaces are available on the HMISCU6A5?
The controller provides Ethernet, USB, serial link and CANopen interfaces. The communication method and protocol configuration depend on the connected equipment and application requirements.
What is the main difference between HMISCU6A5 and HMISCU6B5?
Both models use a 3.5-inch Harmony SCU touchscreen platform, but their embedded I/O differs. HMISCU6A5 uses a digital I/O configuration, while HMISCU6B5 adds analog I/O capabilities for applications requiring analog signal handling.
Can the HMISCU6A5 be programmed as a standalone HMI?
No. It combines an HMI with a programmable controller, so its touchscreen and control logic are configured as part of the same application. It can operate as a compact standalone machine-control unit when the required I/O, communications and control functions fit the application.