1. Product Overview
Positioning: The XYCOM 82034CA is an industrial on-site Operator Interface/I/O module. It forms a complete automated control system when paired with XYCOM XVME, PC boards, or other industrial PCs.Model: 82034CA (also referred to as 82034CA/276/278 3‑BD Assembly) and labeled as “1820 I/O MODULE” in some catalogs.Key Functions: Provides high-speed digital/analog I/O, communication interfaces (RS‑485, Ethernet, etc.), and power management. It enables real-time monitoring, parameter setting, and fault diagnosis of on-site equipment.
2. Technical Specifications
| Item |
Description |
| Product Category |
Control Board / I/O Module |
| Compatible Platforms |
XYCOM XVME Series, PC / VME Backplanes |
| Interface Types |
RS‑485, 10/100 Mbps Ethernet, XVME Connector |
| Power Supply |
24 V DC (Operating Range: 18‑30 V) |
| Protection Class |
IP65 (Dustproof and Waterproof) |
| Operating Temperature |
–20 °C to +60 °C |
| Dimensions |
Approximately 150 mm × 100 mm × 50 mm |
| Core Features |
Digital/Analog I/O, Hot-Swappable, Easy Replacement, Low-Power Design, Passive Cooling |
3. Structure and Composition
- Main PCB: Carries the processor, I/O expansion chips, and communication controllers.
- Interface Pins: Provide RS‑485, Ethernet, XVME backplane slots, and optional analog/digital I/O interfaces.
- Power Module: Features internal voltage regulation circuitry, supports 24 V DC input, and includes overvoltage/overcurrent protection.
- Cooling Structure: Adopts passive heat sinks to reduce noise and extend service life.
- Protective Enclosure: Metal or high-strength plastic housing compliant with IP65 standards. Suitable for dusty, humid, or mildly corrosive environments.
4. Typical Application Fields
- Industrial Automation Control Stations: Works with XYCOM HMI/PC chassis to enable human-machine interaction for on-site operators.
- Manufacturing Production Lines: Facilitates machine debugging, parameter setting, and fault diagnosis.
- Heavy Industries: Ideal for energy, petrochemical, and metallurgical sectors. Delivers reliable I/O interfaces in high-temperature, humid, or dusty environments.
- Logistics and Warehousing Systems: Supports equipment status monitoring and manual intervention control.
5. Installation and Maintenance Guidelines
| Step |
Key Points |
| Preparation |
Turn off the host power supply. Verify that the on-site voltage is within the 18‑30 V DC range. |
| Removing the Old Board |
First remove the original keyboard/front panel. Record the positions of the original cables to avoid incorrect connections. |
| Inserting the New Board |
Align the 82034CA with the corresponding slot. Secure the screws only after confirming the cable interfaces are fully inserted. |
| Checking Sealing |
Ensure the front panel gasket is intact to prevent dust ingress. |
| Power-On Testing |
After re-powering on, check if the I/O status indicators and communication functions are normal. |
| Regular Maintenance |
Inspect the heat sink for dust accumulation every 6‑12 months and clean if necessary. Check the tightness of power cables and interfaces. |
6. Selection and Procurement Recommendations
- Compatibility: Confirm that the model of the XYCOM XVME or PC backplane in use is compatible with the backplane interface of the 82034CA.
- Environmental Requirements: If the operating temperature may exceed 60 °C, select models with active cooling or a higher protection class.
- Expansion Needs: For additional analog channels, consider matching analog I/O expansion cards. For high-speed networking, optional Gigabit Ethernet modules are available.
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