The TMEIC ARND-3110A is a high-performance analog input module developed by TMEIC Corporation—a global leader in industrial automation, power electronics, and large-scale drive systems formed from the merger of Toshiba and Mitsubishi Electric’s industrial drive divisions. This module is primarily used in TMEIC TMdrive™ platforms, including medium-voltage (MV) and low-voltage (LV) AC drives, as well as distributed control systems (DCS) deployed in demanding sectors such as steel rolling mills, oil & gas compression, mining conveyors, and power generation.
The ARND-3110A provides eight isolated analog input channels, typically configurable for industry-standard signals like 4–20 mA, 0–20 mA, 0–10 V, or ±10 V, enabling precise acquisition of critical process variables such as motor temperature (via RTD converters), speed feedback, pressure, flow rate, and torque reference. Each channel features galvanic isolation (typically 500 VAC or higher) between field wiring and internal logic, ensuring immunity to ground loops and electrical noise common in high-power environments near variable frequency drives (VFDs) or rectifiers.
Designed for mission-critical applications, the TMEIC ARND-3110A integrates seamlessly into TMEIC’s modular I/O architecture, often mounted on backplanes within drive control cabinets or remote I/O stations. It supports real-time data exchange with TMEIC’s TMdrive-GT or TMdrive-MVW controllers, enabling closed-loop regulation, fault logging, and predictive diagnostics. In many installations, this module serves as the primary interface between smart field instruments and the drive’s embedded PLC or motion controller—making it indispensable for system reliability and performance optimization.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | TMEIC ARND-3110A |
| Manufacturer | TMEIC Corporation (Toshiba Mitsubishi-Electric Industrial Systems) |
| Product Type | Analog input module (8-channel, isolated) |
| Input Types | 4–20 mA, 0–20 mA, 0–10 V, ±10 V (software or DIP-switch configurable) |
| Resolution | 16-bit A/D conversion |
| Accuracy | ±0.1% of full scale (typical at 25°C) |
| Isolation | ≥500 VAC channel-to-backplane; group or per-channel isolation |
| Update Rate | ~5–20 ms per channel (system-dependent) |
| Operating Voltage | 24 VDC (supplied via backplane or external source) |
| Mounting | DIN rail or TMEIC-specific rack/backplane (e.g., in TMdrive I/O chassis) |
| Operating Temperature | 0°C to +60°C |
| Certifications | CE, UL, CSA, RoHS; compliant with IEC 61000-4 EMC standards |
Note: Exact specs may vary slightly by firmware revision or regional variant. Always consult official TMEIC documentation.
Main Features and Advantages
Precision signal integrity in electrically noisy drive environments: The TMEIC ARND-3110A employs advanced filtering and robust isolation to reject EMI/RFI from nearby power semiconductors—ensuring stable readings even when installed adjacent to multi-megawatt inverters or DC link capacitors.
Seamless integration with TMEIC drive ecosystems: Unlike generic I/O modules, the ARND-3110A is natively recognized by TMEIC engineering tools (e.g., DriveWorksEZ or TMdrive Configurator), allowing rapid parameterization, scaling, and alarm setup without custom programming. This reduces commissioning time and minimizes configuration errors.
Long-term support for legacy and modern systems: Despite being part of older TMEIC/Toshiba drive families (e.g., MVW, LVW, or early TMdrive), the ARND-3110A remains actively supported due to the 20+ year service life of industrial drives. Its continued availability ensures plant operators can maintain uptime without full system replacement.
Application Field
The TMEIC ARND-3110A is most commonly found in heavy industrial applications where large motors and precise process control intersect:
- Steel Mills: Monitors roll force, coiler tension, and bearing temperature in hot-strip rolling stands controlled by TMdrive-MVW systems.
- Oil & Gas: Acquires suction/discharge pressure and vibration feedback from compressor trains driven by multi-MW VFDs.
- Mining & Minerals: Interfaces with slurry density meters and conveyor load cells in long-distance overland conveyor systems.
- Power Generation: Reads boiler feed pump differential pressure and generator cooling water flow in combined-cycle plants.
- Water/Wastewater: Integrates with level and turbidity sensors in large lift stations using TMEIC low-voltage drives.
Related Products
- TMEIC ARND-3120A: Analog output module (e.g., 4–20 mA retransmission); often used alongside ARND-3110A.
- TMEIC DRND-3210A: Digital input/output module for discrete signals (start/stop, fault reset, etc.).
- TMEIC TMdrive-MVW: Medium-voltage drive platform where ARND-3110A is frequently installed.
- Toshiba VFS15 / Mitsubishi FR-A800: Legacy drive series that may use compatible I/O architectures.
- ABB AI810 / Siemens SM331: Functional equivalents in competing DCS ecosystems.
- TMEIC I/O Base Unit (e.g., BARD-1000): Required backplane or terminal block assembly for module mounting.
Installation and Maintenance
Pre-installation preparation:
- Verify compatibility with your TMEIC drive model and I/O rack type.
- Use shielded, twisted-pair cables for each analog input; ground shields at the controller cabinet only.
- Ensure loop-powered transmitters have sufficient voltage headroom (account for cable drop).
- Configure input ranges via DIP switches or software before powering up.
Maintenance recommendations:
- Periodically inspect terminal blocks for corrosion or loosening—especially in high-humidity or corrosive atmospheres.
- Monitor diagnostic LEDs (if present) for open-circuit or overrange conditions.
- Validate calibration annually using a precision current/voltage source.
- Store spare ARND-3110A modules in static-safe, dry environments at room temperature.
