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The Emerson Ovation 5X00622G01 is a 16-channel RTD (Resistance Temperature Detector) input module designed for integration with the Ovation Distributed Control System (DCS).
16-channel RTD input (supports 2-wire, 3-wire, or 4-wire RTD configurations)
High accuracy (±0.1°C typical, depending on RTD type)
Supports multiple RTD types (Pt100, Pt1000, Cu10, Ni120, etc.)
Galvanic isolation (channel-to-channel and channel-to-system)
Hot-swappable (for maintenance without system shutdown)
Built-in diagnostics (open-circuit detection, lead resistance compensation)
Ovation DCS integration (real-time data acquisition & control)
RTD INPUT 16CH 5X00622G01 OVATION
Technical Specifications
| Parameter | Specification |
|---|
| Input Type | RTD (2/3/4-wire) |
| Channels | 16 single-ended |
| RTD Types Supported | Pt100, Pt1000, Cu10, Ni120 (configurable per channel) |
| Excitation Current | 0.5mA (typical, low-power to minimize self-heating) |
| Measurement Range | -200°C to +850°C (dependent on RTD type) |
| Resolution | 0.01°C (16-bit ADC) |
| Accuracy | ±0.1°C (typical for Pt100) |
| Update Rate | 10 samples/sec per channel (configurable) |
| Isolation | 500V channel-to-channel & system |
| Communication | Ovation backplane (PCI-based) |
| Power Supply | 24V DC (module-powered via Ovation rack) |
| Operating Temp. | -20°C to +60°C |
Functional Description
1 RTD Signal Conditioning
Provides constant current excitation (0.5mA) to RTD sensors.
Lead resistance compensation (for 3-wire & 4-wire RTDs).
Linearization for non-linear RTD responses (e.g., Pt100 at extreme temperatures).
2 Ovation DCS Integration
Communicates via Ovation backplane with the Ovation controller (DPU).
Supports real-time temperature monitoring for closed-loop control.
Configurable alarms (high/low limits, rate-of-change).
3 Diagnostics & Redundancy
Open-circuit detection (alerts on broken RTD wires).
Module health monitoring (reported to Ovation DCS).
Hot-swappable (for maintenance in redundant systems).
Wiring & Configuration
1 RTD Wiring Options
| Wiring Type | Description | Accuracy Impact |
|---|
| 2-Wire | Simple, but affected by lead resistance | Lowest accuracy |
| 3-Wire | Compensates for lead resistance (most common) | High accuracy |
| 4-Wire | Best accuracy (eliminates lead resistance errors) | Highest accuracy |
2 Ovation Builder Configuration
Channel Assignment (select RTD type per channel).
Scaling (set engineering units, e.g., °C or °F).
Filtering (adjust sampling rate for noise reduction).
Alarm Settings (high/low limits, fault detection).
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