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.

eV035-TNT

*Price on request. Contact us for a quote.

Manufacturer: Exor

3.5” TFT color display, 256 colors, LED backlight
320x240 pixels
Resistive touchscreen
Portrait mode operation
10/100 Ethernet interface
4MB user memory

Product Description

The effectiView eV035-TST and eV035-TNT are compact 3.5-inch HMI panels with TFT displays and resistive touchscreens, ideal for entry-level automation applications.

They offer efficient programming with eVDesigner software, multiple communication interfaces, data acquisition, trend presentation, and multilingual support. The eV035-TNT model includes a 10/100 Ethernet interface.

Both models feature a durable design with IP65 front panel protection, ensuring reliability in various industrial environments.

Technical Specifications

Display

Size

3.5" diagonal

Max. Resolution

320*240

Type

TFT

Max. Colors

256

Backlight

LED

Dimming

Touch Screen

Analog resistive

System LED indicators

Memory

Hardware RTC

Yes, with battery back-up

User Memory

4MB Flash

System memory

128KB - 1MB RAM with battery back-up

Data File Memory

64MB

Communication Interface

Serial

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

COM2 RS-422, RS-485

Ethernet

eV035-TST No

eV035-TNT 10/100

Power

Supply Voltage

24VDC

Current Consumption

0.2A

Environment

Operating Temperature

0°C~50°C

Storage Temperature

-20°C to 50°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)

130mm x 106mm x 37mm

Cutout Dimension AxB (mm)

118.5mm × 92.5mm

Net Weight (Kg)

0.3kg

Software

Software Version

eV Designer

What is eV035-TNT?

The eV035-TNT is a hmi - human machine interface manufactured by Exor, designed specifically for human-machine-interface applications. The effectiView eV035-TST and eV035-TNT are compact 3.5-inch HMI panels with TFT displays and resistive touchscreens, ideal for entry-level automation applications. They offer efficient programming with eVDesigner software, multiple communication interfaces, data acquisition, trend presentation, and multilingual support. The eV035-TNT model includes a 10/100 Ethernet interface. Both models feature a durable design with IP65 front panel protection, ensuring reliability in various industrial environments.

Key Features & Benefits

3.5” TFT color display, 256 colors, LED backlight
320x240 pixels
Resistive touchscreen
Portrait mode operation
10/100 Ethernet interface
4MB user memory

Applications & Use Cases

The eV035-TNT 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
Memory-intensive applications and multitasking
Manufacturing process control and monitoring
Visual monitoring and data display systems
Production line visualization and control
Quality control and inspection systems

Product Features