1.1 Part No.: A02B-01201.2 Product Category: Industrial CNC System Mainboard / Electronic Control Unit1.3 Application: Suitable for CNC machine tools, machining centers, industrial automation control system and related numerical control equipment1.4 Purpose: Used for system operation control, signal processing, data transmission and core program operation of equipment

2.1 Working Voltage: DC 24V ±10%2.2 Working Temperature: 0℃ ~ +55℃2.3 Storage Temperature: -20℃ ~ +70℃2.4 Relative Humidity: 10% ~ 90% non-condensing2.5 Insulation Resistance: ≥1MΩ under standard test condition2.6 Anti-interference Level: Industrial EMC standard grade2.7 Installation Type: Built-in cabinet mounting, standard card slot installation2.8 Communication Interface: Standard industrial internal bus interface

3.1 Adopt industrial-grade circuit design, stable performance and strong anti-interference ability.3.2 Compact integrated structure, compatible with standard A02B series installation size.3.3 Support long-term continuous operation, suitable for heavy-duty industrial working environment.3.4 Strict component screening and aging test, low failure rate and long service life.3.5 Standard interface definition, good compatibility and interchangeability.3.6 With over-current, over-voltage and static protection function.

4.1 Cut off the total power supply of the equipment before installation to ensure power off state.4.2 Check the part number A02B-0120 to confirm it matches the equipment model requirement.4.3 Clean the installation slot and surrounding dust, keep the cabinet inside dry and clean.4.4 Align the circuit board with the standard card slot, insert it slowly and firmly in place.4.5 Fix the locking screws properly, do not over-tighten to avoid board deformation.4.6 Connect all signal lines and power lines according to the standard wiring definition, ensure firm connection and no loose contact.4.7 After installation, check all connections again, and close the cabinet door before power-on test.

5.1 Strictly follow the rated voltage specification, do not use abnormal power supply.5.2 Avoid working in strong corrosive, dusty, vibrating and splash water environment.5.3 Do not plug or unplug the board with power on, to prevent circuit burnout.5.4 Prohibit private disassembly, modification or cutting of any circuit and components.5.5 If abnormal alarm, system crash or signal abnormality occurs, stop running immediately and inspect.5.6 Keep away from strong electromagnetic interference sources during equipment operation.

6.1 Daily Maintenance: Regularly clean surface dust of the board with dry air blower; check connector tightness periodically.6.2 Storage Environment: Store in dry, ventilated, dust-free and corrosion-free indoor space.6.3 Storage Condition: Ambient temperature 5℃~35℃, humidity below 85%, no condensation.6.4 Protection Requirements: Avoid static electricity, heavy pressure, collision and bending of the board.6.5 Shelf Life: 12 months under standard sealed storage condition.

7.1 Part number A02B-0120 complies with industrial CNC electronic component manufacturing standards.7.2 All products pass strict factory testing, aging inspection and functional verification before delivery.7.3 This manual is applicable to all standard A02B-0120 original and compatible replacement parts.