Industrial Automation Solutions
Product Datasheet
13 May 2026
HMI - Human Machine Interface · Human-Machine-Interface
IPT2120-51ST
Series: PT2
Manufactured byCermate
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A 12.1" HMI panel featuring a 1024x768 TFT-LCD display, ARM9-based processor, and multiple communication interfaces (Ethernet, USB, RS232, RS422/485). It supports over 500 PLC communication protocols and includes PM Designer software for extensive programming. The panel is IP66 rated for water and dust resistance, designed for 24/7 industrial operation with adjustable brightness and secure data transmission.
Key Features
- [RTOS]12.1" (800x600) TFT-LCD Operator Panel with PM Designer Software
- 12.1" TFT LCD with 50,000 hours backlight life time
- Supports over 500 PLC industrial communication protocols
- ARM9-based processor up to 300MHz and working memory 64MB SDRAM
- Backup memory 128KB SRAM for retaining critical data (optional:1024KB)
- Supports PM Designer development tool on Windows 7/10
- PM Designer supports data downloads through Serial, Ethernet, USB port
- Supports adjustable brightness controls via touch panel
- Reliable watch dog function setting from PM Designer for 24/7 operation
- Easy to switch one application to different LCD sizes in seconds
- Communicates with up to six types of devices
- Panel mounting for machinery
- NEMA Type 4X / IP66 compliant front panel
Technical Specifications
LCD Display
| Size | 12.1" diagonal |
|---|---|
| Max. Resolution | 800x600 |
| Type | TFT LCD with LED Backlight |
| Max. Colors | 16-bit |
| Backlight Life (hr) | 50,000 |
| Luminance (cd/m2) | 500 |
| Touch Panel | 4-wire Analog Touch Panel |
CPU & Memory
| CPU | RISC ARM9 32Bit |
|---|---|
| Battery Backup SRAM | 128KB (Optional: 1024KB) |
| Working Memory | 64MB |
| Application Memory | About 40MB |
| Data File Memory | 64MB |
| Real-Time Clock (RTC) | Yes (Unchargeable Battery Type,5 years battery life) |
| Max Programming Pages | 7999 Pages |
| Max. Macro Commands | Unlimited |
Communication Interface
| Micro SD Slot | N/A |
|---|---|
| USB Host | Yes (USB2.0) |
| USB Client | Yes (USB2.0) |
| Serial (Com1) | RS232 (DB9) |
| Serial (Com2) | RS422/485 (DB9) |
| Serial (Com3) | RS485 (DB9) |
| Serial (Com4) | RS485 (5-Pin Terminal) |
| Serial (Com5) | RS485 (5-Pin Terminal) / Optional : RS232 (5-Pin Terminal) |
| Ethernet | Yes |
| Front Function Keys | N/A |
| Audio out (optional) | N/A |
| Video in (optional) | N/A |
| Front USB Host Port | N/A |
Power
| Supply Voltage | 24VDC±10% (Isolated) |
|---|---|
| Consumption | 20W |
Environment
| Operating Temperature | -10°C~60°C, (Optional for Front Aluminum Case+BR2450A/HAN battery:-20°C~70°C) |
|---|---|
| Relative Humidity | 10%~90% |
| Shock (operation) | Half sine, 20G, 11ms duration |
| Vibration (operation) | Random vibration 1 Grms (5~500 Hz) |
| FCC | Yes |
| CE | EN61000-6-2, EN61000-6-4 |
| UL Certification | UL61010 |
| Ingress Protection | NEMA Type 4X / IP66 |
| Cooling | Natural Cooling |
Mechanism Spec.
| Dimension WxHxD (mm) | 335.4mm x 245.8mm x 66.4mm |
|---|---|
| Cutout Dimension AxB (mm) | 302mm x 228mm |
| Net Weight (Kg) | 2.0kg |
Software
| Software Version | PM Designer |
|---|
Certifications
FCCCertified
CECertified
UKCACertified
RoHSCompliant