RMA42 – Panel-Mounted Process Display and Controller
The Endress+Hauser RMA42 is a versatile panel-mounted process display and controller with 4 analog inputs, 4 relay outputs, and advanced math functions. It serves as a central display and control unit for process monitoring in control panels and cabinets.
Key Features
- 4 universal analog inputs (4–20 mA, 0–10 V, RTD, TC)
- 4 relay outputs for alarm and control
- Math functions: sum, difference, ratio, flow totalization
- Integrated data logger (up to 50,000 values)
- Large backlit LCD display
- Communication: RS485 Modbus RTU, HART
- Panel mounting (DIN 96 × 96 mm)
Applications
- Process value display and monitoring
- Alarm management and relay control
- Flow totalization and batch control
- Energy monitoring and management
Technical Specifications
| Parameter | Specification |
|---|---|
| Analog inputs | 4 × universal (4–20 mA, 0–10 V, RTD, TC) |
| Relay outputs | 4 × SPDT, 250 V AC / 3 A |
| Display | Backlit LCD, 4-line |
| Data logger | Up to 50,000 values |
| Communication | RS485 Modbus RTU, HART |
| Mounting | Panel mounting DIN 96 × 96 mm |
| Power supply | 100–240 V AC / 24 V DC |
| Protection class | IP65 (front) |
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