HMI stands for Human Machine Interface. It's a touchscreen panel that provides a visual interface for operators to interact with and control industrial equipment, machines, and automation systems.

What are the main uses of HMI panels?

HMI panels are used in industrial automation for factory control, process monitoring, machine control, data acquisition, SCADA systems, and IIoT (Industrial Internet of Things) applications.

What makes an HMI 'industrial grade'?

Industrial grade HMIs are designed for harsh environments with features like IP65/IP66 protection, extended temperature ranges, shock/vibration resistance, 24/7 operation capability, and natural cooling systems.

What is the difference between resistive and capacitive touchscreens?

Resistive touchscreens can be operated with gloves or stylus and are pressure-sensitive, making them ideal for industrial environments. Capacitive touchscreens offer better clarity and multi-touch capabilities but require bare finger or special stylus operation.

How long do HMI panels typically last?

Most industrial HMI panels are designed for extended lifecycles with backlights rated for 20,000-50,000 hours and components selected for long-term reliability. Many models offer 24/7 operation capabilities with proper maintenance.

What are the key characteristics of the eV Series?

The eV Series features compact embedded displays with a focus on space-saving design, available in different temperature tolerance models (TST, TNT) and value models (VNT) for budget-conscious applications.

What screen sizes are available in the eV Series?

The eV Series offers 3.5-inch, 5.8-inch, 8.0-inch, 10.4-inch, and 12.1-inch screen sizes.

What is the difference between TST, TNT, and VNT models in the eV Series?

TST models are designed for standard temperature environments, TNT models for normal temperature operations, and VNT models are value-oriented, budget-friendly options.

What communication interfaces are available on eV Series HMIs?

eV Series HMIs include USB and RS232 interfaces, with PLC compatibility and Modbus protocol support for industrial connectivity.

What PLC brands are compatible with these HMI panels?

Our HMI panels support over 500 PLC communication protocols from major manufacturers including Siemens, Allen-Bradley, Mitsubishi, Omron, Delta, and many others.

What programming software is used for these HMI panels?

Most of our HMI panels use PM Designer software, which runs on Windows 7/10 and allows for intuitive HMI application development with downloads via Serial, Ethernet, or USB connections.

What is MQTT and why is it important for HMIs?

MQTT (Message Queuing Telemetry Transport) is a lightweight messaging protocol ideal for IIoT applications. HMIs with MQTT support can easily integrate with cloud platforms like AWS, Azure, and Alibaba Cloud for remote monitoring and data collection.

What is OPC UA and how does it benefit HMI systems?

OPC UA (Open Platform Communications Unified Architecture) is a machine-to-machine communication protocol for industrial automation. HMIs with OPC UA Server capability can act as a standardized data exchange hub between different industrial systems and devices.

How are HMI panels powered?

Most industrial HMI panels operate on 24VDC±10% power supply, with isolation for protection against electrical noise and surges common in industrial environments.

What does IP65/IP66 protection mean?

IP65 protection means the device is totally protected against dust (6) and protected against low-pressure water jets (5). IP66 offers the same dust protection but with increased water protection against powerful water jets (6).

How are HMI panels typically mounted?

HMI panels are typically panel-mounted through a cutout in a control cabinet or equipment enclosure, secured with mounting clips or screws, with the front face exposed for operator interaction.

What is the recommended operating environment for HMI panels?

Most standard HMI panels operate reliably in temperatures from 0°C to 50°C with relative humidity between 10% and 90% (non-condensing). Extended temperature models can operate in ranges from -10°C to 60°C or wider.

Do I need to install additional cooling for HMI panels?

Most industrial HMI panels use natural cooling systems and don't require additional cooling fans or systems when installed within their specified operating temperature range in well-ventilated enclosures.

What maintenance is required for HMI panels?

HMI panels require minimal maintenance, typically limited to occasional cleaning of the touchscreen with appropriate non-abrasive cleaners and periodic backup of programming. The battery for the real-time clock may need replacement every 3-5 years.

What should I do if the touchscreen becomes unresponsive?

For unresponsive touchscreens, first try power cycling the device. If issues persist, check for physical damage, verify power supply stability, and ensure the operating environment is within specifications. For resistive touchscreens, recalibration may be necessary.

How can I resolve communication issues between HMI and PLC?

To resolve communication issues, verify physical connections and network settings, ensure both devices use the same communication protocol and parameters, check for address mapping errors, and confirm firmware compatibility between devices.

What causes HMI panels to restart unexpectedly?

Unexpected restarts can be caused by power supply issues, excessive environmental temperatures, software conflicts, or the watchdog function detecting system hangs. Check power stability, environmental conditions, and review recent software changes.

How can I retrieve lost HMI project files?

If project files are lost, check for backups on development computers, Micro SD cards, or USB drives used with the HMI. Some HMI models allow project upload from the device to a computer, though this may not include all source elements.

eV121-VNT

Data Sheet

*Price on request. Contact us for a quote.

Manufacturer: Exor

12.1" TFT color display, 64K colors, CCFL backlight
800x600 pixel screen resolution
Resistive touchscreen
Portrait mode operation
10/100 Ethernet interface
2x USB 2.0 Host interfaces
16MB user memory

Product Description

The effectiView eV121-TNT is a high-performance HMI panel with a 12.1-inch TFT display and resistive touchscreen. It features 800x600 resolution, 64K colors, and CCFL backlighting. The panel offers versatile connectivity with 10/100 Ethernet and two USB 2.0 Host interfaces.

Key functionalities include efficient programming with eVDesigner software, data acquisition, trend presentation, multilingual support, and robust security features. The IP65-rated front panel ensures reliability in industrial environments.

Technical Specifications

Display

Size

12.1" diagonal

Max. Resolution

800x600

Type

TFT

Max. Colors

64K

Backlight

CCFL

Dimming

Yes

Touch Screen

Analog resistive

System LED indicators

Memory

Hardware RTC

Yes, with battery back-up

User Memory

16MB Flash

System Memory

128KB - 1MB RAM with battery back-up

Communication Interface

Serial

COM1 RS-232, RS-422, RS-485

COM2 RS-422, RS-485

COM3 RS-232

Ethernet

10/100

USB

2x Host V2.0

Power

Supply Voltage

24VDC

Current Consumption

1.2A

Environment

Operating Temperature

0°C~50°C

Storage Temperature

-20°C to 60°C

Relative Humidity

10%~90%

CE

Emission EN 61000-6-4

Immunity EN 61000-6-2

for installation in industrial environments

Ingress Protection

IP65 Front

IP20 Rear

Cooling

Natural Cooling

Mechanism Spec.

Dimension WxHxD (mm)

315mm x 241mm x 50mm

Cutout Dimension AxB (mm)

301.5mm × 228mm

Net Weight (Kg)

2.2kg

Software

Software Version

eV Designer

What is eV121-VNT?

The eV121-VNT is a hmi - human machine interface manufactured by Exor, designed specifically for human-machine-interface applications. The effectiView eV121-TNT is a high-performance HMI panel with a 12.1-inch TFT display and resistive touchscreen. It features 800x600 resolution, 64K colors, and CCFL backlighting. The panel offers versatile connectivity with 10/100 Ethernet and two USB 2.0 Host interfaces. Key functionalities include efficient programming with eVDesigner software, data acquisition, trend presentation, multilingual support, and robust security features. The IP65-rated front panel ensures reliability in industrial environments.

Key Features & Benefits

12.1" TFT color display, 64K colors, CCFL backlight
800x600 pixel screen resolution
Resistive touchscreen
Portrait mode operation
10/100 Ethernet interface
2x USB 2.0 Host interfaces
16MB user memory

Applications & Use Cases

The eV121-VNT is ideal for various industrial automation applications:

Networked industrial systems and data communication
Interactive control interfaces and operator panels
Human-machine interface for industrial automation
Peripheral device connectivity and data transfer
Memory-intensive applications and multitasking
Manufacturing process control and monitoring
Visual monitoring and data display systems
Production line visualization and control

Product Features