Overview
Specification
| Parameter | Specification |
|---|---|
| Model / Part Number | 1C31194G01 |
| Module Function | Valve Positioner Electronics (Ovation) |
| LVDT Excitation Output | 17 V AC peak‑to‑peak ±11%, ~1 kHz |
| LVDT Load Impedance | Minimum 500 Ω |
| Position Feedback Input | Up to 25 V AC peak-to-peak, differential or single-ended |
| Servo Coil Output | ±2.04 V / ±24.9 mA (82 Ω), ±4.20 V / 16.8 mA (250 Ω), ±8.26 V / 8.3 mA (1 kΩ), ±4.5 V / 36 mA (125 Ω) |
| Control Input Signal | 4–20 mA DC |
| Supply Pressure for Output | 35–150 psi (2.4–10.3 bar) |
| Positioning Accuracy | ±0.5% full scale |
| Field Interface Insulation | 1,000 V DC isolation |
| Local Interface (SLIM) | RS‑485, ±1 kV isolation, 9600 baud |
| Digital Input (Shutdown) | 18–60 V DC, propagation delay 1.9–25.5 ms |
| Operating Temperature | –40°C to +70°C |
| Storage Temperature | –55°C to +85°C |
| Protection Class | IP20 |
| Dimensions | Approx. 216 mm × 330 mm × 133 mm |
| Weight | ~6.8 kg |
FAQ
A: It accepts a standard 4–20 mA control signal from the Ovation DCS controller.Q2: What kind of valve actuators can this module control?
A: It works with electro‑hydraulic servo valves when paired with a personality module that matches the coil impedance.Q3: How is the LVDT feedback handled?
A: The module provides 17 V AC @ 1 kHz to drive an LVDT, and reads back the position via LVDT channels.
Q4: What power‑air supply does it require?
A: It requires a pneumatic supply pressure between 35 and 150 psi (2.4–10.3 bar).
Q5: Can it withstand extreme temperatures?
A: Yes, it can operate from –40°C up to +70°C, making it suitable for harsh industrial environments.
Q6: What kind of diagnostics or status feedback does it offer?
A: It supports isolation protection, LVDT feedback, shutdown input, and SLIM interface for real‑time monitoring.
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