Technolec

12-inch panel PCs
Intel Atom® x6425E quad-core processor
500-nit or 1000-nit sunlight-readable LCD
Glove-friendly, multi-touch screen
-40 to 70°C wide-temperature design, no fan or heater
24 to 110 VDC wide range isolated power input
Complies with all EN 50155 mandatory test items


This product is suitable for rolling stock railway applications, as defined by the EN 50155 standard. For a more detailed statement, click here: www.moxa.com/doc/specs/EN_50155_Compliance.pdf

Computer

• CPU: Intel Atom® x6425E processor (Quad core, 1.5M cache, 2 GHz)
• Graphics Controller: Intel® UHD Graphics
• System Memory Pre-installed: 8 GB DDR4 2400 MHz (32 GB max)
• System Memory Slot: SODIMM DDR4 2400 slots x 1 (up to 32 GB max.)
• Supported OS: Windows images and drivers supported:- Windows 10 IoT Enterprise LTSC 2021 (64-bit)- Windows 11 Professional (64-bit)- Windows 11 IoT Enterprise LTSC 2024Linux image supported:- Debian 13 (kernel 6.10)Linux driver supported:- Ubuntu 24.04 LTS (kernel 6.10)
• Storage Slot: CFast slot x 1 M.2 M-key 2242 sockets x 1
• Expansion Slots: mPCIe slots x 1
• Speaker: MPC-3121-E4-LB-SPK-CT-T/E4-SPK-CT-T:1 (built-in, 2 W)

Computer Interface

• Ethernet Ports: Auto-sensing 10/100/1000 Mbps ports (M12 push-pull X-coded) x 2
• Serial Ports: RS-232/422/485 ports (M12 push-pull A-coded 12P) x 1
• Digital Input: DIs x 4 (M12 push-pull A-coded connector)
• Digital Output: DOs x 2 (M12 push-pull A-coded connector)
• Audio Input/Output: 1 x Speaker out/Line out (M12 push-pull A-coded 8-pin)
• USB: USB 2.0 hosts x 1 (M12 push-pull A-coded 5-pin), type-A connectors
• TPM: TPM v2.0

Display

• Panel Size: 12 in (viewable image)
• Aspect Ratio: 4:3
• Active Display Area: 245.76 (H) x 184.32 (V) mm
• Contrast Ratio: 1000:1 (typ.)
• Light Intensity (Brightness): MPC-3121-E4-LB-CT-T/E4-LB-SPK-CT-T: 500 nitsMPC-3121-E4-CT-T/E4-SPK-CT-T: 1000 nits
• Max. No. of Colors: 16.7M (8-bit/color)
• Panel Type: AAS
• Pixel Pitch (RGB): 0.240 (H) x 0.240 (V) mm
• Pixels: 1024 x 768
• Response Time: (Tr+Tf) 25 ms
• Viewing Angles: 178°/178°

Touch Function

• Touch Type: Projective Capacitive touchscreen (PCAP)
• Touch Support Points: 4 points
• Glove Support: Yes

Ethernet Interface

• Magnetic Isolation Protection: 1.5 kV (built-in)

Serial Interface

• Bitrate: 50 bps to 115.2 kbps
• Data Bits: 5, 6, 7, 8
• Flow Control: RTS/CTS, XON/XOFF, Automatic Data Direction Control (ADDC) for RS-485, RTS Toggle (RS-232 only)
• Parity: None, Even, Odd, Space, Mark
• Stop Bits: 1, 1.5, 2

Serial Signals

• RS-232: TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
• RS-422: Tx+, Tx-, Rx+, Rx-, GND
• RS-485-2w: Data+, Data-, GND
• RS-485-4w: Tx+, Tx-, Rx+, Rx-, GND

Digital Inputs

• Isolation: Optical: 3 kV
• Sensor Type: Dry contact Wet contact (NPN)
• Voltage: Dry contact @25 Hz: 0 to 30 VDC
• Dry Contact: DI to COM Logic 0: Close to GND Logic 1: Open
• Wet Contact: Source to DI: Logic 1: 3 VDC max Logic 0: 10 to 30 VDC

Digital Outputs

• Isolation: Optical: 3 kV
• I/O Type: Sink
• Current Rating: Max. 200 mA per channel
• Voltage: Logic 0: 200 mA (max. per channel), sink Logic 1: 24 VDC (typ.), 30 VDC (max.), open collector

LED Indicators

• System: Power x 1

Power Parameters

• Input Voltage: 24 to 110 VDC
• Power Consumption: 51 W

Physical Characteristics

• Housing: Metal
• IP Rating: IPMPC-3121-E4-LB-SPK-CT-T/E4-SPK-CT-T: - IP66 (front)- IP40 (rear)MPC-3121-E4-LB-CT-T/E4-CT-T:- IP66 (front and rear)
• Dimensions: 297 x 238 x 59 mm (11.69 x 9.37 x 2.32 in)
• Weight: 3100 g (6.83 lb)

Environmental Limits

• Operating Temperature: -40 to 70°C (-40 to 158°F)
• Storage Temperature (package included): -40 to 70°C (-40 to 158°F)
• Ambient Relative Humidity: 5 to 95% (non-condensing)

Standards and Certifications

• EMC: EN 55032/35
• EMI: CISPR 32, FCC Part 15B Class A
• EMS: IEC 61000-4-2 ESD: Contact: 6 kV; Air: 8 kV IEC 61000-4-3 RS: 80 MHz to 1 GHz: 3 V/m IEC 61000-4-4 EFT: Power: 2 kV; Signal: 1 kV IEC 61000-4-5 Surge: Power: 1 kV; Signal: 1 kV IEC 61000-4-6 CS: 10 V IEC 61000-4-8 PFMF
• Mechanical Protection Rating: IEC 60529, IP code
• Safety: IEC 62368-1UL 62368-1
• Shock: EN 50155 standard
• Vibration: EN 50155 standard

Declaration

• Green Product: RoHS, CRoHS, WEEE

Warranty

• Warranty Period: System: 3 years LCD: 1 year
• Details: See www.moxa.com/warranty

Available Models

Model No.	Description	Quantity
MPC-3121-E4-LB-CT-T	12.1-inch panel PC with Intel Atom® x6425E quad-core 2 GHz processor, 8 GB DDR4, 500-nit LCD with multi-touch function, 1 audio output, M12 connectors for 2 LAN, 1 serial, 4 DIs, and 2 DOs, 1 USB 2.0, 24 to 110 VDC power input, IP66 front and rear, -40 to 70°C operating temperature
MPC-3121-E4-LB-SPK-CT-T	12.1-inch panel PC with Intel Atom® x6425E quad-core 2 GHz processor, 8 GB DDR4, 500-nit LCD with multi-touch function, embedded 2-W speaker, 1 audio output, M12 connectors for 2 LAN, 1 serial, 4 DIs, and 2 DOs, 1 USB 2.0, 24 to 110 VDC power input, IP66 front, IP40 rear, -40 to 70°C operating temperature
MPC-3121-E4-CT-T	12.1-inch panel PC with Intel Atom® x6425E quad-core 2 GHz processor, 8 GB DDR4, 1000-nit LCD with multi-touch function, 1 audio output, M12 connectors for 2 LAN, 1 serial, 4 DIs, and 2 DOs, 1 USB 2.0, 24 to 110 VDC power input, IP66 front and rear, -40 to 70°C operating temperature
MPC-3121-E4-SPK-CT-T	12.1-inch panel PC with Intel Atom® x6425E quad-core 2 GHz processor, 8 GB DDR4, 1000-nit LCD with multi-touch function, embedded 2-W speaker, 1 audio output, M12 connectors for 2 LAN, 1 serial, 4 DIs, and 2 DOs, 1 USB 2.0, 24 to 110 VDC power input, IP66 front, IP40 rear, -40 to 70°C operating temperature