The VMIC VMIOMAX-2940A represents the cutting edge of industrial I/O expansion technology, designed as the core interface module for VMIC’s MAX-8000 series distributed control systems. This 32-channel universal input/output module delivers 24-bit resolution across its analog channels while achieving 1μs timestamp accuracy for high-speed digital signals in semiconductor manufacturing equipment. The VMIOMAX-2940A integrates FieldCal™ self-calibration technology, enabling continuous compensation for temperature drift in oil refinery furnace monitoring systems.
As part of VMIC’s Industrial IoT Edge Platform, the VMIC VMIOMAX-2940A supports simultaneous operation of Modbus TCP, PROFINET RT, and EtherCAT protocols – making it ideal for hybrid automation environments. Its ruggedized design withstands 50g shock impacts during military vehicle testing while maintaining ±0.01% measurement stability. The module’s patent-pending connector system allows hot-swap replacement in paper mill production lines without process interruption.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | VMIOMAX-2940A |
| Manufacturer | VMIC |
| Product Type | Universal I/O Expansion Module |
| Input Channels | 16 AI (24-bit) + 16 DI (Opto-isolated) |
| Output Channels | 8 AO (16-bit) + 8 DO (2A Relay) |
| Sampling Rate | 100kS/s (AI), 1μs (DI) |
| Protocol Support | Modbus TCP, PROFINET RT, EtherCAT |
| Voltage Range | 18-36V DC (Redundant Input) |
| Operating Temp | -40°C to +85°C |
| Isolation | 2500V AC (Channel-to-Channel) |
| Accuracy | ±0.01% FSR @25°C |
| Vibration | 10g @ 10-2000Hz |
| Certifications | ATEX II 3G, IEC 60068-2-64 |
| Dimensions | 150x110x45mm (WxHxD) |
Key Features and Advantages:
Multi-protocol flexibility: The VMIOMAX-2940A uniquely bridges legacy and modern systems through its triple-stack industrial Ethernet implementation. Automatic protocol detection eliminates manual configuration in automotive assembly line retrofits.
Ultra-rugged construction: Military-grade aluminum housing with IP67 rating protects against high-pressure washdowns in food processing plants. Spring-loaded terminals maintain 0.1Ω contact resistance under 15g vibration in mining conveyor systems.
Smart diagnostics: Embedded power quality monitoring detects phase imbalances in CNC machine tools. Predictive maintenance algorithms forecast relay contact wear 500 operating hours in advance for steel mill cranes.
Application Areas:
The VMIOMAX-2940A excels in:
- Energy: Wind turbine pitch control systems
- Chemical: Reactor pressure/temperature monitoring
- Automotive: Robotic weld cell signal conditioning
- Water: SCADA system pump station controls
In offshore oil platforms, its conformal coated PCB withstands salt spray corrosion while monitoring wellhead safety valves. The module’s 100ns synchronization accuracy meets IEEE 1588 Precision Time Protocol requirements for power grid phasor measurement.
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Installation and Maintenance:
Installation preparation: Ensure proper heat dissipation by maintaining 25mm clearance on both sides when mounting VMICVMIOMAX-2940A in enclosed PLC cabinets. Verify DIN rail grounding continuity (<1Ω) before powering in substation environments.
Maintenance recommendations: Perform annual contact resistance tests on relay outputs used in frequent switching applications like elevator control panels. Update firmware biannually using VMIC’s V-Update Pro tool, especially when integrating with new OPC UA servers.
Product Assurance:
VMIC provides 12-month extended warranty for VMIOMAX-2940A, including free lifetime technical support. Each module undergoes 72-hour burn-in testing simulating extreme conditions from -50°C arctic cold starts to 95%RH tropical humidity. Global next-business-day replacement guaranteed for registered industrial users.
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