Display and readability
Display: 12.1″ (4:3) · Resolution: 800 × 600
Samkoon HMI
Samkoon SK-121FE
Display: 12.1″ (4:3) · Resolution: 800 × 600 · CPU: Cortex A8 600 MHz
Samkoon SK-121FE is an industrial operator panel in the 3.5–15.6-inch HMI options differentiated by display, ports, Ethernet, Wi-Fi and enclosure range. Its display, processing, communications and mounting data are presented as one engineering selection flow.
Display size12.1″ (4:3)
Resolution800 × 600
ProcessorCortex A8 600 MHz
EthernetNo
Serial portsCOM1 and COM2 (RS232 / RS422 / RS485)
Protection ratingIP65 (front panel)
Four points that define this configuration
Each point is tied to published model data or an explicit engineering verification step.
Processing platform
CPU: Cortex A8 600 MHz · Memory: 128 MB FLASH + 128 MB DDR3 · Software: SKTOOL 6.0 / 6.2 / 7.0
Machine communications
Ethernet: No · Serial ports: COM1 and COM2 (RS232 / RS422 / RS485) · CAN: No
Panel integration
Outer dimensions: 340 × 256 × 54 mm · Panel cut-out: 330 × 246 mm · Protection: IP65 (front panel)
System architecture
Build the HMI selection around three layers
Evaluate the operator experience, controller communications and physical panel integration as one system.
Operator layerDisplay: 12.1″ (4:3) · Resolution: 800 × 600
Communication layerEthernet: No · Serial: COM1 and COM2 (RS232 / RS422 / RS485) · CAN: No
Panel layerDimensions: 340 × 256 × 54 mm · Cut-out: 330 × 246 mm · Protection: IP65 (front panel) · Temperature: -20 °C to 55 °C (non-freezing)
Specifications arranged for engineering review
All source-qualified values are visible by topic; no decision-critical data is hidden behind an expandable panel.
Display and mechanical
| Display size | 12.1″ (4:3) |
|---|---|
| Resolution | 800 × 600 |
| Outer dimensions | 340 × 256 × 54 mm |
| Panel cut-out | 330 × 246 mm |
| Weight | 2160 g |
| Enclosure material | Engineering plastic ABS + PC |
| Touch panel | 4-wire high-precision resistive touch panel |
| Colour depth | 16.77 million colours |
| Backlight | LED |
| Contrast ratio | 450:1 |
| Brightness | 300 cd/m² |
System and certification
| Processor | Cortex A8 600 MHz |
|---|---|
| Memory | 128 MB FLASH + 128 MB DDR3 |
| Protection rating | IP65 (front panel) |
| Dielectric withstand | 1000 V AC for 1 minute |
| ESD resistance | Level 4, ±8 kV |
| FCC | Complies with FCC Class A |
| CE | Complies with EN55032 and EN55035 standards |
Communication and power
| Power supply | DC 12–24 V ±15% |
|---|---|
| Power consumption | 7 W |
| Serial ports | COM1 and COM2 (RS232 / RS422 / RS485) |
| Ethernet | No |
| USB download port | Yes |
| USB | Yes |
| CAN | No |
| Network connectivity | Wi-Fi: No; 3 G: No; Ethernet: No; 4G: No |
Environment and software
| Operating temperature | -20 °C to 55 °C (non-freezing) |
|---|---|
| Programming software | SKTOOL 6.0 / 6.2 / 7.0 |
| Operating humidity | 5–95% RH (non-condensing) |
Other technical details
| SD card slot | No |
|---|
Where this configuration can be evaluated
These are engineering fit scenarios; final approval depends on project-specific electrical, mechanical and safety checks.
Machine operator stations
Operator interfaces whose display, communications and enclosure needs match the published values.
Production-cell visualisation
Local status, command and recipe screens planned around the available ports and software.
Process monitoring panels
Panel applications where readability, environmental limits and controller communications are validated together.
HMI renewal projects
Retrofit work in which cut-out, supply, protocol and project-file compatibility are confirmed before replacement.
Official product and catalogue records
Use these manufacturer records to confirm model identity, lifecycle and the current document revision.
Compare nearby configurations with named technical fields
Only published values are compared; a dash means that the current source does not state the field.
Answers needed before model approval
Answers use published values where available and identify the checks that still require the current official record.
What display does this model use?
Display: 12.1″ (4:3) · Resolution: 800 × 600
Which communications are published?
Ethernet: No · Serial: COM1 and COM2 (RS232 / RS422 / RS485) · CAN: No
What is the panel cut-out?
330 × 246 mm
Which software is used?
SKTOOL 6.0 / 6.2 / 7.0
Official product records
Cross-verified official record — The English catalogue record is also corroborated by another official Samkoon .cn catalogue or support source.
Technical sources
Official sources checked on 24 August 2026. Samkoon English product catalogue · Samkoon .cn catalogue/support record
Confirm the right Samkoon configuration
Share the application, I/O, communication and mounting requirements with our engineering team.