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- HMISCU8A5
- 5.7-Inch Color Touch Controller Panel
- France
- 129.4 × 163 × 76.22 mm
- 0.764 kg
- Xiamen, China
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Product Overview
The Schneider Electric HMISCU8A5 is a Harmony SCU small touch HMI controller that combines a 5.7-inch color touchscreen with an embedded programmable controller. It is intended for compact machines and simple process-control applications where operators need a local interface alongside integrated control functions.
The HMISCU8A5 uses a digital-I/O configuration with 16 digital inputs and 10 digital outputs, including high-speed input and pulse-output functions. It suits equipment that relies primarily on discrete signals, such as packaging machinery, material-handling systems and automated assembly stations. Applications requiring built-in analog I/O should be evaluated against the HMISCU8B5 variant instead.
The controller operates on 24 V DC and provides Ethernet, USB, serial and CANopen communication interfaces. Operators can use the touchscreen to monitor machine states, view alarms and adjust permitted settings, while the embedded controller executes the configured application logic. The HMI screens, I/O behavior and communication settings are configured using compatible Schneider Electric engineering software.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Schneider Electric |
| Model | HMISCU8A5 |
| Product Series | Harmony SCU |
| Product Type | Small Touch HMI Controller |
| Display Size | 5.7 inch |
| Display Type | Backlit LED Color TFT LCD |
| Display Resolution | 320 × 240 pixels (QVGA) |
| Touchscreen Type | Analog resistive touch |
| Display Colors | 65,000 |
| Rated 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 |
| Analog I/O | Not included in the HMISCU8A5 digital-I/O configuration |
| Communication Interfaces | Ethernet, USB Type A, USB Mini-B, RS-232C/RS-485 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 | 129.4 × 163 × 76.22 mm |
| Weight | 0.764 kg |
Product Features
- 5.7-inch color touchscreen: Provides a larger operator display for machine status, alarms, operating values and settings.
- Integrated HMI and controller: Combines the operator interface and programmable control functions in one unit.
- Digital I/O configuration: Provides 16 digital inputs and 10 digital outputs for compatible sensors and actuators.
- High-speed counter inputs: Supports applications requiring pulse counting or event detection.
- Pulse output functions: Supports pulse-based control for compatible equipment.
- Multiple communication interfaces: Ethernet, USB, serial and CANopen allow integration with supported automation devices.
- 24 V DC operation: Fits common low-voltage control cabinet power arrangements.
- 22 mm mounting arrangement: Simplifies panel installation without requiring a conventional rectangular HMI cutout.
- Modular family compatibility: The Harmony SCU range includes related screen and controller modules, subject to the specified combination.
- Unified application configuration: HMI screens and control logic can be configured within the compatible engineering environment.
Working Principle
The HMISCU8A5 combines operator interaction with embedded machine-control logic. Digital inputs receive signals from switches, proximity sensors and other discrete devices. The controller processes these signals according to the application program and updates the digital outputs and touchscreen accordingly.
For example, in a packaging machine, sensors can detect product position and machine state while the controller manages the configured sequence of operations. The touchscreen can display cycle progress, operating status and alarms, allowing an operator to make permitted adjustments without a separate HMI and PLC.
High-speed inputs can be assigned to supported counting or event functions, while pulse outputs can be configured for compatible pulse-based control tasks. Ethernet, serial and CANopen interfaces support data exchange with compatible devices. The exact behavior depends on the control program, I/O assignments and connected equipment.
Role in a Harmony SCU Machine Control Architecture
The HMISCU8A5 acts as the local operator interface and embedded controller. It receives discrete field signals, executes programmed logic, updates the display and communicates with compatible equipment through its available interfaces.
| System Component | Function | Relationship to the HMISCU8A5 |
|---|---|---|
| HMISCU8A5 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 digital outputs within their ratings |
| High-Speed Sensors | Generate pulses for counting or event detection | Can use the high-speed input functions |
| Pulse-Controlled Devices | Receive pulse commands for supported applications | Can use configured pulse outputs |
| Ethernet Network | Connects compatible devices for data exchange | Uses the Ethernet interface |
| CANopen Devices | Exchange control and status data | Connect through the CANopen interface |
| Serial Devices | Communicate using supported serial settings | Connect through the serial interface |
| 24 V DC Power Supply | Supplies operating power | Powers the controller and integrated electronics |
| Engineering Workstation | Develops and transfers the application | Used to configure the HMI screens and controller logic |
Industrial Applications
| Application | Typical Control Requirement | Role of the HMISCU8A5 |
|---|---|---|
| Packaging Machinery | Cycle sequencing, sensor monitoring and operator settings | Combines local HMI operation with digital machine control |
| Material Handling | Discrete sensor coordination and equipment status display | Processes input signals and presents operating information |
| Automated Assembly | Sequence control and part-presence detection | Coordinates configured digital inputs and outputs |
| Small Process Equipment | Local monitoring and discrete control | Provides an operator interface and embedded controller |
| Pumping Equipment | Start/stop commands, operating states and interlocks | Executes configured logic and displays system status |
| HVAC Equipment | Discrete equipment control and local status indication | Manages compatible I/O and operator commands |
| Machine Retrofit Projects | Consolidation of separate HMI and controller functions | Combines functions where I/O and communication requirements match |
| Production Test Stations | Operator commands and automated test sequences | Displays test states and executes configured control logic |
Installation and Maintenance
- Verify the model reference: Confirm HMISCU8A5 and its digital-I/O configuration before installation.
- Check the panel opening: Prepare the specified 22 mm mounting hole and verify that the mounting arrangement suits the panel.
- Inspect the installation location: Ensure adequate access to connectors and sufficient ventilation around the installed equipment.
- Confirm the power supply: Provide a suitable 24 V DC source within the permitted voltage range and apply the required circuit protection.
- Isolate power before wiring: Disconnect power before installing or removing field wiring.
- Review the I/O assignment: Match each sensor and actuator to the correct input or output terminal and program address.
- Check output-load requirements: Ensure connected loads remain within the controller’s output ratings and use suitable interface devices where necessary.
- Verify communication wiring: Check Ethernet, serial and CANopen connections against the selected protocol and connected-device requirements.
- Configure the controller program: Use compatible engineering software to develop or load the HMI screens, control logic and communication settings.
- Test touchscreen operation: Verify screen navigation, displayed values, operator commands and alarm behavior.
- Commission the I/O 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 maintenance actions for future servicing.
Related Components
| Component | Function | Relationship to the HMISCU8A5 |
|---|---|---|
| Schneider HMISCU6A5 | Harmony SCU controller with a 3.5-inch display and digital I/O | Smaller-display model with the same general I/O category |
| Schneider HMISCU8B5 | Harmony SCU controller with a 5.7-inch display and mixed I/O | Related model for applications requiring analog I/O |
| Schneider HMISCU6B5 | Harmony SCU controller with a 3.5-inch display and mixed I/O | Smaller-display model with analog I/O capabilities |
| Schneider HMISAC | Harmony SCU replacement controller rear module | Used in the corresponding compatible digital-I/O modular configuration |
| Schneider HMIS85 | Harmony SCU 5.7-inch screen module | Screen replacement module 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 | Supply discrete signals to the controller |
| Digital Output Interface Devices | Switch compatible field loads | Connect outputs to loads where interface devices are required |
| Ethernet and CANopen Devices | Exchange data with the controller | Use the corresponding communication interfaces |
| Engineering Workstation | Configures the controller application | Supports program development and maintenance |
Recommended Related Models
| Model | Product Type | Relationship | Selection Consideration |
|---|---|---|---|
| Schneider HMISCU8A5 | Harmony SCU Small Touch HMI Controller | Main product | 5.7-inch touchscreen with digital I/O |
| Schneider HMISCU6A5 | Harmony SCU Small Touch HMI Controller | Smaller-display variant | 3.5-inch display with digital I/O |
| Schneider HMISCU8B5 | Harmony SCU Small Touch HMI Controller | Same display size, different I/O | Select for compatible applications requiring analog I/O |
| Schneider HMISCU6B5 | Harmony SCU Small Touch HMI Controller | Smaller-display mixed-I/O variant | Select when analog I/O is required with a 3.5-inch display |
| Schneider HMISAC | Harmony SCU Controller Rear Module | Modular system component | Verify the compatible screen and controller arrangement |
| Schneider HMIS85 | Harmony SCU 5.7-inch Screen Module | Modular screen component | Used in the corresponding supported modular configuration |
| Schneider HMIS65 | Harmony SCU 3.5-inch Screen Module | Alternative screen module | Used with compatible modular controller configurations |
Key Advantages
- Combines operator-interface and programmable-control functions in one device.
- Provides a 5.7-inch color touchscreen for local machine operation.
- Includes digital inputs, digital outputs, high-speed counter inputs and pulse outputs.
- Supports Ethernet, USB, serial and CANopen communications.
- Operates from a 24 V DC supply.
- Shares a product family with alternative display sizes and mixed-I/O models.
Technical FAQs
What is the I/O configuration of the HMISCU8A5?
The HMISCU8A5 has 16 digital inputs and 10 digital outputs, including high-speed input and pulse-output functions. It is the digital-I/O variant of the 5.7-inch Harmony SCU controller family.
Does the HMISCU8A5 support built-in analog inputs and outputs?
The HMISCU8A5 does not include the analog I/O configuration found on the HMISCU8B5. If the application requires analog measurement or analog output signals, compare the required signal types and ranges with the B5 model’s specifications.
What communication options can be used with the HMISCU8A5?
The controller supports Ethernet, USB, serial communication and CANopen. The appropriate interface depends on the connected device, selected protocol and application configuration.
Can the HMISCU8A5 be installed using a standard rectangular HMI cutout?
The Harmony SCU family uses a 22 mm mounting-hole arrangement rather than the conventional rectangular cutout used by many panel HMIs. Before replacing another display, verify the panel mounting method and the required installation arrangement.