The complexity and harshness of industrial settings have always been the ultimate test for embedded control equipment. In extreme conditions—such as drastic temperature fluctuations, intense electromagnetic interference, frequent voltage variations, and exposure to dust and moisture—ordinary devices are prone to crashes, data loss, reboots, or even damage, potentially causing system failures and immeasurable losses.

To address industrial stability challenges, the Forlinx Embedded FCU1501 control unit has undergone rigorous testing, successfully passing three core industrial-grade trials: high/low temperature resistance, thermal cycling startup, and electromagnetic compatibility (EMC). With proven reliability, it provides a solid foundation for stable industrial system operation, showcasing true industrial-grade quality.

The triple certification of the Forlinx Embedded FCU1501 is not merely a formality; it signifies a rigorous assessment of performance and precise alignment with industrial requirements.

1. High/Low Temperature Testing: Unwavering Stability in Extreme Temperatures

Industrial applications span diverse environments, from freezing outdoor enclosures and remote sites in cold regions to sweltering workshops and temperature-controlled cold storage. Such drastic temperature changes place high demands on operational stability. The Forlinx Embedded FCU1501 has passed stringent high/low temperature tests, maintaining long-term stable operation in environments ranging from -40°C to +85°C, with no crashes, lags, or performance degradation.

Whether deployed in winter conditions or operating continuously in summer heat, the FCU1501 performs reliably, ensuring responsive and efficient operation in extreme temperatures. It eliminates the risks of temperature-related failures common in ordinary devices, offering a dependable control core for outdoor, cold chain, high-temperature manufacturing, and similar scenarios.

High-Temperature Start-up and Operational Testing Description
Total Test Time	26H	Performance Criteria Requirement	A
Operating Mode	Product Mode + Powered On	Number of Samples	2 Sets
Test Requirement	High temperature operation: operate at 85 ℃ for 24 hours; high temperature startup: start at 85 ℃ for 5 times with an interval of 10 minutes.
Functional test column	CPU Load, CPU Frequency, CPU Temperature, Memory Stress Test, eMMC Read/Write Test
Test Results:
Test Records:	Before, during and after the test, the prototype function is normal.
Results:	☑ Pass ☐ Fail

Low Temperature Startup and Operation Test Description
Total Test Time	26H	Performance Criteria Requirement	A
Operating Mode	Product Mode + Powered On	Number of Samples	2 Sets
Test Requirement	Low temperature operation: 24h at -40 ℃; low temperature startup: 5 times at -40 ℃, with an interval of 10 minutes.
Functional test column	CPU Load, CPU Frequency, CPU Temperature, Memory Stress Test, eMMC Read/Write Test
Test Results:
Test Records:	Before, during and after the test, the prototype function is normal.
Results:	☑ Pass ☐ Fail

2. Thermal Cycling Startup Test: Unfazed by Instantaneous Changes

Temperature fluctuations in industrial environments are unavoidable. Whether due to seasonal shifts between summer and winter, or sudden day-night temperature variations, such changes can cause startup failures or delays, disrupting production schedules. The Forlinx Embedded FCU1501 control unit has passed professional thermal cycling startup tests, ensuring rapid and stable boot-up even under extreme temperature differences.

Whether it’s a cold start in winter or a reboot in summer heat, the FCU1501 responds instantly—without crashes or delays—entering full operational readiness quickly. This effectively prevents production interruptions caused by startup issues and maintains continuity and efficiency in industrial workflows.

Cold/Hot Start Test Details
Ambient Temperature & Humidity Conditions:	25℃/55%RH		Performance Criteria Requirement	A
Operating Mode	Normal Configuration		Number of Samples	2 Sets
Test Voltage	DC 12V		Number of Tests	10000
Power-on Time	55 seconds		Power-off Time	30 seconds
Functional Test Items	rtc emmc eth 4G wifi Bluetooth memory
Cold Restart Test Data
Start Time:	06/03/2026		End Time:	01/04/2026
Number	Normal Count	Abnormal Count	Description of Abnormality	Test Results:
1	10000	0	Normal	A
2	10000	0	Normal	A

Hot Restart Test Details
Ambient Temperature & Humidity Conditions:	25℃/55%RH		Performance Criteria Requirement	A
Operating Mode	Normal Configuration		Number of Samples	2 Sets
Test Voltage	DC 12V		Number of Tests	1500
Decision Time	≤90 seconds		Power-off Time	-
Functional Test Items	rtc emmc eth 4G wifi Bluetooth memory
Hot Restart Test Data
Start Time:	01/04/2026		End Time:	01/04/2026
Number	Normal Count	Abnormal Count	Description of Abnormality	Test Results:
1	1500	0	Normal	A
2	1500	0	Normal	A

3. Electromagnetic Compatibility (EMC) Test: Reliable Communication in Strong Interference Environments

Industrial sites are often saturated with powerful electromagnetic interference sources such as frequency converters, motors, and high-voltage equipment. Such disturbances can easily lead to communication packet loss, signal instability, or system reboots, severely impacting operational reliability. The Forlinx Embedded FCU1501 control unit has passed stringent EMC testing, demonstrating strong anti-interference capability. Even in intense electromagnetic environments, it maintains stable communication—without packet loss, restarts, or failures.

Particularly suited for industries with high interference—such as power, metallurgy, petrochemicals, and rail transportation—the FCU1501 excels in resisting on-site electromagnetic disturbances. It ensures stable transmission of control signals, significantly reducing failure rates while enhancing overall system reliability and safety.

Industrial-grade Quality: Built Through Rigor, Sustained Through Commitment Supported by triple-core certification, the Forlinx Embedded FCU1501 breaks through the environmental limitations faced by embedded control devices. It is fully adaptable to demanding industrial environments—including outdoor, underground, workshop, base station, and remote field applications—delivering uninterrupted 24/7 stable operation.

Electrical Fast Transient/Burst Immunity Test Results:
Disturbance Coupling Point	Test Voltage (kV)	Coupling Mode	Test Phenomenon	Test Results
CAN	± 1	Test Phenomenon	Normal	A
DIDO	± 1	Test Phenomenon	Normal	A
NET	± 1	Test Phenomenon	Normal	A
485	± 1	Test Phenomenon	Normal	A
232	± 1	Test Phenomenon	Normal	A
Power supply	± 2	Coupled network	Normal	A

Electrostatic Discharge (ESD) Immunity Test Results
Contact Discharge Point	Discharge Voltage (kV)	Polarity	Test Phenomenon / Observation	Test Results
DI/DO Interface	6	+/-	Normal	A
CAN	6	+/-	Normal	A
Network port	6	+/-	Normal	A
485	6	+/-	Normal	B
232	6	+/-	Normal	A
USB	6	+/-	Normal	A
Enclosure	6	+/-	Normal	A
debug	6	+/-	Normal	A

Lightning (Surge) Immunity Test Results:
Disturbance Coupling Point	Test Voltage (kV)	Coupling Mode	Test Phenomenon	Test Results
CAN Interface	± 1	Line to line	Normal	A
CAN Interface	± 2	Line to line	Normal	A
232 Interface	± 1	Line to line	Normal	B
232 Interface	± 2	Line to line	Normal	B
DI/DO Interface	± 2	Line to line	Normal	A
485 Interface	± 1	Line to line	Normal	B
485 Interface	± 2	Line to line	Normal	B
Power interface	± 1	Line to line	Normal	A
Power interface	± 2	Line to line	Normal	A
Network port	± 1	Shielded to ground	Normal	A

Forlinx Embedded has consistently focused on the needs of industrial environments, from research and development to certification. The company adheres to strict quality standards, ensuring that each product is built with meticulous attention to detail. The Forlinx Embedded FCU1501 Embedded Control Unit guarantees equipment stability through its robust certifications, supports industrial advancements with reliable performance, and protects the consistent operation of industrial systems across various sectors.

---