KEYENCE VT3-W4MTA 4-inch TFT Monochrome (White/Pink/Red) RS-422/485-type Touch Panel

General specifications

Current consumption

200mA or less

Structure

Panel built-in type, IP65f equivalent dust-proof, waterjet-proof on only front panel

Overvoltage category

I

Pollution degree

2

Power voltage

24 VDC ±10%

Noise resistance

1500 Vp-p pulse width 1 µs (common mode, based on noise simulator)

Withstand voltage

1500 VAC 1 minute (between power terminal and housing)

Insulation resistance

50 MΩ or more tested by 500 VDC megohmmeter (between power terminal and housing)

Vibration resistance

Intermittent vibration

Frequency: 5 to 9 Hz

Half amplitude：3.5 mm^*1

Frequency: 9 to 150 Hz

Acceleration：9.8 m/s^{2 *1}

Continuous vibration

Frequency: 5 to 9 Hz

Half amplitude：1.75 mm^*1

Frequency: 9 to 150 Hz

Acceleration：4.9 m/s^{2 *1}

Operating environment

Minimal amount of dust and corrosive gas present

Ambient operating temperature

0 to +50°C

Ambient operating humidity

35 to 85%RH (No condensation)^*2

Ambient storage temperature

-20 to +60°C (No freezing)

Ambient storage humidity

35 to 85%RH (No condensation)^*2

Weight

Approx 250 g

Performance specifications

Displaypanel

Display elements

TFT LCD

Display colour

32 greyscale

Number of points displayed

W 320 × H 128 points

Active display area

W 110.4 × H 44.2 mm

Service life (normal temperature andhumidity)

Approx 50000 h

Backlightlamp

System

White LED (Not replaceable)

Life-span

Approx 50000 h

Display colour

3 colours (white/pink/red)

Touchswitch

Number of switches

40×16/screen

System

Analogue resistive membrane type

Operating force

0.98N or less

Life-span

1,000,000 times or more

Screen data internal memory

Memory capacity

3 MB

Number of pages that can be registered

Up to 1024 pages

Number of screens that can be registered

Up to 1024 screens

Page No.: 0 to 8999, Global window No.: G000 to G999

Data backup

Screen data

Flash ROM can be erased for 100000 times

Recording data

SRAM backup:lithium battery

Character font

Outline font, Bitmap font, Windows font, IMAGE font, Small font

Calendar timer

Accuracy:±40s/month (25°C), Backup:1lithium battery (5 years above of service life at 25°C)

Communication function

PLC host link

KEYENCE, Mitsubishi Electric, OMRON, Sharp, Fuji Electric FA Components & Systems, Yaskawa Electric, Hitachi, Panasonic Electric Works, JTEKT (Toyota),
Koyo Electronics Industries, Yokogawa Electric, Toshiba, Toshiba Machine, Fanuc, GE Fanuc Automation, Rockwell (Allen Bradley), Siemens

Thermostat

Yokogawa Electric, Azbil (Yamatake), OMRON, RKC Instrument, Shinko Technos, CHINO

Inverter

Mitsubishi Electric, Fuji Electric FA Components & Systems, Yaskawa Electric, OMRON

Servo amplifier

Mitsubishi Electric

Stepping motor

Oriental Motor

Robot controller

IAI

Eco-power meter

Panasonic Electric Works

General-purpose communication

Based on specific commands

I/O specifications

Serial I/F (PORT 2) for connecting PLC/MegaLink/multi-link/external devices

Applied standard

Conforms to EIA RS-422A and RS-485

Synchronisation between the transmitter and receiver

RS-422A: start-stop, full duplex; RS-485: start-stop, half duplex

Transmission distance

RS-422A: 500 m, RS-485: 1,000 m

Data length

7 or 8 bits

Parity

Even, odd, none

Transmission speed

1,200, 2,400, 4,800, 9,600, 19,200, 38,400, 57,600, 115,200 bps

When connected through MegaLink

Applied standard

RS-485

Synchronisation between the transmitter and receiver

Start-stop, half duplex

Communication speed

19,200, 115,200 bps

Connection format

Multi-drop (branching is not possible)

Maximum number of connectable units

15

Baud rate 19200

Maximum extension distance: 1,000 m