Eaton XV-102-L Touchscreen Installation Guide

Eaton XV-102-L Touchscreen Installation Guide

Product Overview and Applicable Scenarios

The Eaton XV-102-L series touchscreen display is a compact, high-performance human-machine interface (HMI) device, with some models also integrating PLC functionality. It uses an 800 MHz RISC processor, equipped with a resistive touch screen, and offers three display sizes of 3.5 inches, 5.7 inches, and 7.0 inches, suitable for monitoring, operation, and control tasks in machine and system manufacturing. This series supports Ethernet, USB, RS-232, RS-485, and CAN interfaces, and has been certified by UL and DNV GL classification societies. It can be used in non hazardous areas or explosion-proof environments in Zone 22 (specific installation requirements must be met). For automation projects that require high reliability and limited installation space, XV-102-L is the ideal solution.

This article is based on the official hardware manual MN048030EN (version 01/2024) and focuses on providing a complete set of installation, wiring, and fault handling steps for electrical engineers and system integrators.

Safety preparation before installation

Before coming into contact with XV-102-L equipment, the following safety regulations must be strictly followed, otherwise it may result in electric shock, equipment damage, or personal injury.

2.1 Personnel Qualification Requirements

Installation, wiring, and maintenance work must be carried out by certified electricians or trained electrical engineers in accordance with EN 50110-1/-2 standards.

All operators must read and understand the relevant content of this manual.

2.2 Power outage and anti-static measures

Disconnect the 24V power supply of the equipment before installation and take measures to prevent accidental reconnection.

Confirm that the power supply is completely isolated and cover or isolate adjacent live parts.

Before touching the device, release body static electricity (such as touching grounded metal objects) to avoid damaging internal sensitive components.

2.3 Grounding and equipotential connection

Functional grounding (FE) must be connected to protective grounding (PE) or equipotential bonding. The system integrator is responsible for implementing this connection.

If there is a potential difference between the functional grounding system of different devices and the ground, it may generate a large balanced current, leading to signal interference and even fire. When necessary, equipotential bonding conductors with a cross-sectional area several times larger than the shielding layer should be laid in parallel along the cable.

2.4 Cable Routing Rules

Signal cables should not be laid in the same cable tray as power cables to avoid inductive or capacitive coupling interference.

All interface cables must use shielded cables, and the shielding layer should be connected to the connector housing with low impedance.

If the equipment is to be used in a DNV GL environment, a radio interference suppression filter (such as Eaton XT-FIL-1 or XT-FIL-2) must be installed at the 24V power supply inlet, and the metal base plate of the filter must be well grounded.

2.5 Emergency Stop and Fault Protection

The emergency stop device that complies with IEC/EN 60204-1 must be effective in all operating modes and cannot automatically restart after the emergency stop device is released.

If the malfunction of the automation system may cause personnel or property damage, external independent safety measures must be taken (such as mechanical interlocking, independent limit switches, etc.).

Installation location and environmental requirements

3.1 Permitted Environmental Conditions

Parameter indicators

Environmental temperature (operating) 0 ℃~+50 ℃ (natural convection)

Environmental temperature (storage/transportation) -20 ℃~+60 ℃

Relative humidity 10%~95%, no condensation

Air pressure 795~1080 hPa, maximum altitude 2000 meters

Installation inclination angle in the vertical direction ≤ 45 ° (within 50 ℃)

Avoid direct sunlight: UV rays can make the plastic casing brittle and shorten the lifespan of the equipment. It should be installed in a shaded position or protected by a protective cover.

Heat dissipation and ventilation: The equipment adopts natural convection passive heat dissipation without fans. It is necessary to ensure a gap of at least 30mm around (up, down, left, right) and not block the heat dissipation holes. If there are other heating elements (such as transformers) inside the control cabinet, the distance should be greater than 15cm.

3.2 Installation Hole Size

XV-102-L adopts a flush mounting method and is clamped from the back by a fixed bracket. The opening size requirements are as follows:

Model Width (e) mm Height (f) mm Panel Thickness

3.5 inches 123 ± 1 87 ± 1 2~5 mm

5.7 inches 157 ± 1 117 ± 1 2~5 mm

7.0 inches 197 ± 1 122 ± 1 2~5 mm

The flatness of the opening plane is ≤ 0.5 mm, and the surface roughness Rz is ≤ 120 μ m (meeting IP65 sealing requirements).

The panel material must have sufficient rigidity, otherwise reinforcement bars need to be added. The sealing gasket must be correctly inserted into the groove on the back of the housing.

3.3 Installation direction and SD card position

The device can be installed horizontally (landscape) or vertically (portrait). But the SD card slot must not face downwards, otherwise the card may fall off due to gravity.

After installation, sufficient space should be reserved on the side of the device (SD card side) for inserting and removing SD cards.

Mechanical installation steps

4.1 Tool Preparation

2.0 mm hex wrench

PZ2 cross screwdriver

Torque wrench (range 0~1 Nm)

4.2 Installation process

Check the sealing gasket: Confirm that the sealing gasket on the back of the front frame is not damaged and fully embedded in the groove.

Pre installed fixed bracket: Screw the included hexagon socket set screw (M4 × 25 DIN 914) into the bracket, but do not tighten it.

Insert into the opening: Insert the touch screen into the opening from the front, ensuring that the display area is centered.

Installation bracket: Hook the bracket into the slot on the side of the housing and rotate the fastening screw until it contacts the back of the panel. First contact is sufficient, do not tighten.

Diagonal cross tightening: gradually tighten the fastening screws of each bracket in sequence, with a final torque of ≤ 0.1 Nm. Excessive torque can cause panel deformation or seal failure.

Check the seal: Observe whether the sealing gasket is evenly attached to the panel, and adjust it if there is any gap.

4.3 Number of Supports

Number of model brackets

4 pieces of 3.5 inches

5.7 inches, 6 pieces

8 pieces of 7.0 inches

All accompanying brackets must be fully installed, otherwise the IP65 front protection level cannot be achieved.

Electrical connection

5.1 Power Wiring

XV-102-L requires 24V DC SELV/PELV power supply. The power supply must come from a safely isolated AC-DC converter that complies with IEC 60950 or UL508 requirements.

Parameter values

Rated voltage+24 V DC

Allowable fluctuation range (effective value) 19.2~30.0 V (-20%/+25%)

Absolute limit (including ripple) 18.0~31.2 V

Battery power supply range 18.0~31.2 V (-25%/+30%), 35V continuous<100ms

Voltage sag tolerance ≤ 10 ms (compliant with IEC61131-2)

Maximum power consumption 3.5 ": 5W; 5.7"/7.0 ": 7W (USB module additional 2.5W)

Maximum current 0.3A (3.5 "); 0.4A (5.7"/7.0 ")

The wiring terminal adopts MSTB 2.5-3-ST-5.08 pluggable connector:

Signal Description

+ 24V DC（SELV/PELV）

FE functional grounding (connected to the metal casing of the connector. Can also serve as protective grounding when needed)

-0V power supply circuit

Copper wire: minimum 0.75 mm ² (AWG18) to maximum 2.5 mm ² (AWG12), temperature resistance of 60 ℃/70 ℃.

Stripping length: 7 mm

Terminal screw torque: 0.6~0.8 Nm (5~7 lb · in)

Attention: The device is equipped with non user replaceable fuses and polarity reversal protection. The power supply is not isolated (0V and functional grounding are not isolated), so external power supplies that comply with SELV/PELV standards must be used.

5.2 Functional grounding

The equipment casing is made of plastic material and has no potential. The functional grounding terminal is only connected to the metal casing of the connector and is not connected to the internal 0V. The system integrator should ensure that FE is reliably connected to the protective earth (PE) of the system. In ship applications, grounding kits (such as Eaton ZB4-102-KS1) must be used to improve EMC performance.

5.3 Power Filter (Marine Certification Requirements)

If it is necessary to meet the EMC B level of DNV GL, a radio interference suppression filter must be installed at the 24V DC incoming line:

XT-FIL-1 (within 2.2A)

XT-FIL-2 (within 12A)

The metal base plate of the filter must be grounded. The filter should be placed as close as possible to XV-102.

Interface and communication connection

XV-102-L has the following interface combinations on board (marked on the nameplate) depending on the model:

Ports included in the interface code

L3 Ethernet+USB host+RS-232

L4 Ethernet+USB host+RS-485

L5 Ethernet+USB host+RS-232+CAN

L6 Ethernet+USB host+RS-485+CAN

All interfaces are not electrically isolated, so it is necessary to ensure that the GND potential between connected devices is equal, otherwise it may damage the equipment.

6.1 Ethernet (LAN1)

RJ45 socket, 10/100 Mbit/s adaptive, supports CAT5e/6 shielded twisted pair (STP).

Green LED (always on)=LINK active; Yellow LED (flashing)=data transmission.

Important: Avoid subjecting RJ45 connectors to severe vibration or tension, as it may damage mechanical contacts and cause communication failures.

Shielded cables should be used on the network side, and the shielding layer should be grounded at one end.

6.2 USB Host

USB 2.0 A-type socket, non isolated, maximum output 500mA.

For maintenance purposes only (firmware updates, data backups, etc.), it is not recommended to connect non-standard peripherals to industrial sites as the anti-interference capability of commercial peripherals may be insufficient.

Maximum cable length: 5m (shielded USB cable must be used).

Frequent writing to USB flash drives can shorten their lifespan; Writing during voltage dips may result in data loss.

6.3 RS-232（COM1）

9-pin SUB-D male head (UNC nut), non isolated.

The relationship between maximum baud rate and line length:

2.5m → 115200 bit/s

5m → 57600 bit/s

10m → 38400 bit/s

15m → 19200 bit/s

30m → 9600 bit/s

Shielded cables must be used, with the shielding layer connected to the low impedance of the connector housing.

The pin allocation is shown in the table below:

PIN signal

2 RxD

3 TxD

5 GND

Other NCs

6.4 RS-485（COM2）

9-pin SUB-D male head (UNC nut), non isolated, supports half duplex.

Pin allocation:

PIN 3: Data B（+）

PIN 7: Data A（-）

PIN 5: GND

Cable characteristic impedance: 120 Ω (allowing 108-132 Ω)

Maximum cable length: 1200 m (at 9600 bit/s)

Supporting baud rates: 9600, 19200, 38400, 57600, 115200 bit/s

Bus topology:

A total line segment can have a maximum of 32 nodes.

A 120 Ω terminal resistor must be installed at each end of the bus (connected between PIN 3 and 7).

Terminal resistors shall not be installed at the midpoint or excess position of the bus.

The number of nodes and cable length can be expanded through repeaters.

Error case: Failure to connect terminal resistors or incorrect resistor positions can cause signal reflection and result in communication packet loss.

6.5 CAN interface

9-pin SUB-D male head, compliant with CiA standards, non isolated.

Pin allocation:

PIN 2: CAN_L

PIN 7: CAN_H

PIN 3: CAN_GND

PIN 6: GND (internally connected to PIN 3)

PIN 1, 4, 5, 8, and 9 must not be connected.

The cable requirements are the same as RS-485 (120 Ω impedance, twisted pair shielding).

Maximum baud rate and length:

25m → 1000 kbit/s

50m → 800 kbit/s

100m → 500 kbit/s

250m → 250 kbit/s

500m → 125 kbit/s

1000m → 50 kbit/s

2500m → 20 kbit/s

5000m → 10 kbit/s

Terminal resistor: A 120 Ω resistor (between PIN 2 and 7) must be connected at each end of the bus.

The total line segment can have up to 32 nodes and can be extended using repeaters.

Precautions for using SD card

The device supports SDSC or SDHC cards (compliant with SDA 2.0 specifications), and it is recommended to use original accessories.

Insertion direction: Only forward insertion is allowed, and brute force should not be used. Push to the end and you will hear the locking sound of the buckle.

Pull out the card: First gently push it into the stop position, the card will pop out, and then pull it out.

Important Warning:

The internal memory, SD card, and USB drive have limited write times to avoid frequent writes.

Only plug and unplug the SD card when the device is powered off, otherwise it may damage data or the card.

Before shutting down the device, ensure that no program is performing write operations on the SD card.

Installation direction: The SD card slot should not face downwards to prevent the card from coming off.

First power on and debugging

8.1 Pre power on inspection

Confirm that the power polarity is correct and the voltage is between 19.2-30V DC.

Confirm that all interface cables are securely connected and the shielding grounding is good.

Confirm that there is no condensation. If the device has experienced drastic temperature changes (such as moving from a cold warehouse to a warm computer room), it should be allowed to adapt to the ambient temperature for at least 2 hours without power, and then powered on after the interior is completely dry.

8.2 Startup Process

XV-102-L does not have a power switch, it automatically boots when connected to a 24V power supply.

After startup, the device will load the installed runtime software (such as CODESYS or GALILEO). When no visualization or PLC is pre installed at the factory, users need to install it themselves.

The backlight lifespan can be extended by reducing the brightness of the display screen (typical lifespan of LED backlight is 40000 hours).

8.3 Touch screen calibration

The resistive touch screen has been calibrated at the factory. If the touch response is inaccurate, it needs to be recalibrated in the system settings.

After calibration, use your fingers or stylus to operate. Do not touch the screen with sharp objects (such as blades or screwdrivers) to avoid scratching the resistive film layer.

Common troubleshooting

Possible causes and solutions for the fault phenomenon

XV-102 cannot start without 24V power supply. Check the power input wiring; Measure whether the voltage is normal

Touch unresponsive or unresponsive, touch uncalibrated; Touch function disabled, enter system settings for recalibration; Check the touch function enable status

Ethernet communication failure, cable damage or failure to use STP cable; Replace shielded cable due to RJ45 vibration loosening; Check if the connector is securely fastened

RS-485/CAN communication has a large number of errors and lacks terminal resistors; Resistance position error; If the cable is too long, add 120 Ω resistors at both ends of the bus; Shorten cable length

Frequent restarts of the device result in power voltage drops exceeding specifications; On site interference measurement of 24V voltage stability; Install power filter

SD card cannot recognize that the card is not inserted properly; Card type incompatible; Card damage, re plug and unplug; Use SDHC card (maximum 32GB); Card replacement test

Daily maintenance and cleaning

XV-102-L is basically maintenance free, but the following operations can help extend its lifespan:

10.1 Cleaning the Touch Screen

Wipe with a clean, soft damp cloth (dipped in a small amount of water or neutral detergent).

Do not use sharp objects, abrasive cleaning agents, or solvents (such as alcohol, acetone).

Prevent liquid from flowing into the interior of the equipment.

10.2 Battery

Built in lithium battery (model CR1025 or BR1225) is used for real-time clock backup, with a typical lifespan of 10 years under 25 ℃ power-off conditions.

The battery is soldered onto the motherboard and cannot be replaced by the user. If replacement is required, it must be done by an authorized Eaton service center.

When disposing of equipment, lithium batteries may explode and need to be professionally disposed of according to local regulations.

10.3 Storage and Transportation

Storage temperature: -20~+60 ℃; No condensation is allowed.

Transport in original packaging to prevent mechanical impact.

If installed after long-term storage, check for condensation first.

Summary of Technical Specifications

Project 3.5 inches 5.7 inches 7.0 inches

Resolution 320 × 240 (QVGA) 640 × 480 (VGA) 800 × 480 (WVGA)

Dimensions (width x height x depth) 136 x 100 x 35 mm 170 x 130 x 43 mm 210 x 135 x 43 mm

Weight 0.3 kg 0.6 kg 0.6 kg

Maximum power consumption 5 W 7 W 7 W

Processor 800 MHz RISC Same Same Same

Memory 512 MB DRAM+4 GB Internal Storage Same Same Same

Protection level: IP65/NEMA 4X for the front and IP20/NEMA 1 for the back. Same and identical

Certification: cUL, CE, DNV GL, ATEX Zone 22 are the same and identical