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DCT T 2,4 QVGA S RTOUCH Industrial-grade touch display for control cabinet and field applications Data sheet 109921_en_01 1 © PHOENIX CONTACT 2021-03-12 Description The touch display is suitable for stationary or mobile electronics housing applications. – 2.4 inch screen size – High-contrast TFT touch display – Can be used in temperature ranges from -20°C to +70°C – Available built-in for ICS, ME-IO, and UCS series electronics housings – Resistive touch technology, can be operated with finger, stylus, and when wearing gloves Table of contents 1 Description .................................................................. 1 3 Technical data ............................................................. 3 3.1 General data........................................................ 3 3.2 Maximum electrical values................................... 4 3.3 Electrical properties (operation)........................... 4 3.4 LED backlight ...................................................... 5 3.5 Electrical values................................................... 5 2 4 5 6 7 8 9 Ordering data .............................................................. 2 Optical characteristics ................................................. 6 Display......................................................................... 7 Reliability test .............................................................. 7 Software ...................................................................... 8 Dimensional drawings ................................................. 9 Installation ................................................................. 10 Make sure you always use the latest documentation. It can be downloaded at phoenixcontact.net/product/1132710. This document is valid for the products listed in Section “Ordering data” on page 2. DCT T 2,4 QVGA S RTOUCH 2 Ordering data Touch display Description 2.4 inch touch display Already integrated in ME-IO 56,4 series housing Description ME-IO series housing cover, overall width: 56.4, 10 units, with integrated 2.4 inch touch display, 6 pcs. ME-IO series housing cover, overall width: 56.4, 10 units, with integrated 2.4 inch touch display, 1 pcs. Already integrated in ICS50 series housing Description ICS series upper housing part, overall width: 50 mm, with integrated 2.4 inch touch display, height: 100 mm, 10 pcs. ICS series upper housing part, overall width: 50 mm, with integrated 2.4 inch touch display, height: 100 mm, 1 pcs. Type Order No. DCT T 2,4 QVGA S RTOUCH 1132710 Pcs./Pkt. 5 Type Order No. ME-IO 56,4 C 10U D2,4-TRG 1209364 7035 Pcs./Pkt. 6 ME-IO 56,4 C 10U D2,4-TRG 1225275 7035-VPE1 1 Type Order No. ICS50-C100X12-D2,4-TRG- 1077656 7035 Pcs./Pkt. 10 ICS50-C100X12-D2,4-TRG- 1226370 7035-VPE1 1 Already integrated in UCS 125-87 series housing Description Type UCS 125-87-F-GD-D2,4UCS series electronics housing, TRG 7035 length: 125 mm, width: 87 mm, depth: 47 mm, adhesive pads, with integrated 2.4 inch touch display, light gray UCS series electronics housing, UCS 125-87-F-GD-D2,4length: 125 mm, width: 87 mm, TRG 9005 depth: 47 mm, adhesive pads, with integrated 2.4 inch touch display, black 109921_en_01 Order No. 1246286 Pcs./Pkt. 1 1246287 1 PHOENIX CONTACT 2 / 10 DCT T 2,4 QVGA S RTOUCH 3 Technical data 3.1 General data Display data Touch display Touch technology Panel technology Screen resolution Backlight Dot pitch Controller Interface Weight 6.1 cm / 2.4" Resistive (RTP) TFT, transmissive 320 x 240 pixels (QVGA) LED, white 0.153 mm x 0.153 mm ST7789V 4-wire SPI half duplex 26 g (without electronics housing) Dimensions Dimensions of the cover lens (W x H x D) Viewing area (W x H) Active area (W x H) 74.4 mm x 47.4 mm x 7.0 mm 50.16 mm x 37.72 mm 48.96 mm x 36.72 mm Ambient conditions Ambient temperature (operation) Ambient temperature (storage) -20°C ... +70°C -30°C ... +80°C The background color may vary slightly depending on the ambient temperature. This procedure can be reversed. NOTE: Electrostatic discharge Electrostatic discharge can damage or destroy components. When handling the device, observe the necessary safety precautions against electrostatic discharge (ESD) in accordance with EN 61340-5-1 and IEC 61340-5-1. 109921_en_01 PHOENIX CONTACT 3 / 10 DCT T 2,4 QVGA S RTOUCH 3.2 3.3 Maximum electrical values In this specification, all voltages are in reference to ground (GND). Permanent damage will be caused to the device if the maximum values are exceeded. Furthermore, this device may not function properly at the maximum values. These are only load values: Description Logic power supply Input voltage 109921_en_01 VCC VI Min. -0.3 V -0.3 V Max. 3.6 V VCC +0.5 V Electrical properties (operation) Correct operation of the device is only ensured in accordance with the specifications provided in the table. At an ambient temperature of +25°C Condition Logic power supply VCC Input voltage VIH High level Min. Typ. Max. 2.6 V 2.8 V 3.3 V 0.8 x VCC – VIL GND Low level Logic current consumption ICC VCC = 2.8 V – 1 x VCC – 0.2 x VCC 7 mA 15 mA PHOENIX CONTACT 4 / 10 DCT T 2,4 QVGA S RTOUCH 3.4 LED backlight 3.5 At an ambient temperature of +25°C Electrical data At an ambient temperature of +25°C Description Conducting-state voltage VAC Conducting-state current IAC Figure 1 Electrical values Typical 3.0 V 60 mA Connection scheme for LED backlight A Condition Non-linearity Surface resistivity ITO-coated film, Anti-Newton Ring ITO-coated glass Min. – Max. 3.3% 300  100  1000  600  Definition of non-linearity Vmax Ideal ΔV C Measured Vmin Xmin Non-linearitymax = ΔV = max 109921_en_01 Xn Xmax ΔV Vmax - Vmin x 100% (Vmeasured)xn - (Videal)xn PHOENIX CONTACT 5 / 10 DCT T 2,4 QVGA S RTOUCH Optical characteristics Figure 4 At an ambient temperature of +25°C Description Viewing angle Θ (Cr ≥ 10) Condition Typical ϕ = 0° 65° ϕ = 180° 55° ϕ = 90° 65° ϕ = 270° 65° Min. 300, typ. 500 – 10 ms – 180 cd/m² Contrast ratio Cr Response time Tf, Tr Surface luminance LI at IAC = 60 mA Figure 2 Definition of the contrast ratio Cr (negative type) Selected wave 100% Brightness 4 Crmax Vop Figure 5 Definition of the viewing angle Θ(ϕ) Non-selected wave Definition of the response time Tr, Tf (positive type) Non-selected condition  Applied voltage Non-selected condition Selected condition   Tf  Definition of the contrast ratio Cr (positive type) Selected wave Figure 6 Rise time Definition of the response time Tr, Tf (negative type) Non-selected condition Non-selected condition Selected condition Non-selected wave Vop Applied voltage Tr Rise time 109921_en_01 10% 90% 100% Crmax Brightness Brightness 100% Tr Fall time Main viewing direction Figure 3 90% 100%   Brightness 10%   Tf Fall time PHOENIX CONTACT 6 / 10 DCT T 2,4 QVGA S RTOUCH 5 Display Figure 7 6 Block diagram with connecting contacts 2.4" TFT 240 (RGB) X 320 dots LED backlight RTP Driver IC Reliability test Test conditions No. Task 1. Ambient temperature (storage), maximum 2. Ambient temperature (storage), minimum 3. Humidity (storage) 4. Ambient temperature (operation), maximum 5. Ambient temperature (operation), minimum 6. Vibration GND VCC RS /RST /CS SCK SDA A C XR YD XL YU PCB 7. Thermal shock Description of the LCD interface Connection method: FPC connector, 14-pos. (FH12-14S-05SH), pitch: 0.5 mm Symbol YU XL YD XR GND VCC /CS /RST Pin IO 1 – 2 – 3 – 4 – 5 PWR 6 PWR 7 I 8 I RS 9 I SCL SDA NC A C 10 11 12 13 14 I I I/O PWR PWR 109921_en_01 Function Resistive touch display Condition +80°C 96 h -30°C 96 h 90% RH (+60°C) +70°C 96 h -20°C 96 h 96 h Duration: 2 h; 10 Hz ...150 Hz; Acceleration 100 m/s² 5 cycles (1 cycle = 30 min at -30°C, 30 min at +80°C) After the reliability test, only the function is confirmed. The image properties will only be achieved again after a sufficiently long rest period of at least two hours at room temperature. Ground Logic power supply Chip selection Reset input Register selection: “L”  command data “H”  parameter data Serial clock Serial data Not connected LED backlight, anode LED backlight, cathode PHOENIX CONTACT 7 / 10 DCT T 2,4 QVGA S RTOUCH 7 Software The TFT must be initialized via SPI prior to use. For detailed information on the register and timing features, refer to specification IC ST7789V. Use the following parameters for initialization. Register Parameter Reset cycle Delay = 120 ms 0x36 0x00 0x3a 0x05 0xb2 0x0c 0x0c 0x00 0x33 0x33 0xb7 0x35 0xbb 0x2b 0xc0 0x2c 0xc2 0x01 0xc3 0x11 0xc04 0x20 0xc6 0x0f 0xd0 0xa4 0xa1 0xe0 0xd0 0x00 0x05 0x0e 0x0d 0x37 0x43 0x47 0x09 0x15 0x12 0x16 0x19 0x11 109921_en_01 Register 0xe1 Parameter 0xd0 0x00 0x05 0x0d 0x0c 0x2d 0x44 0x40 0x0e 0x1c 0x18 0x16 0x19 0xe7 0x10 0x11 – Delay = 120 ms 0x29 Delay = 120 ms PHOENIX CONTACT 8 / 10 DCT T 2,4 QVGA S RTOUCH 8 Dimensional drawings Figure 8 Dimensions                     NOTES: Main viewing direction UL number of PCBA: E479892  Item A B C Description Adhesive tape Visible area LCD interface, connection method: FPC connector, 14-pos. (FH12-14S-05SH) 109921_en_01 PHOENIX CONTACT 9 / 10 DCT T 2,4 QVGA S RTOUCH 9 Installation Figure 9 Recommended installation dimensions Figure 10 Adhesive surface      ʾ            ʿ •     Item A   • Remove the foil (1) from the adhesive surface. Leave the protective foil (2) on the display. Place the display in the mounting cutout and press on the adhesive joint.  Description Adhesive surface 109921_en_01 PHOENIX CONTACT GmbH & Co. KG • Flachsmarktstraße 8 • 32825 Blomberg • Germany phoenixcontact.com 10 / 10