1C31197G01

Product Overview

The 1C31197G01 Emerson Ovation Valve Positioner Module is a personality module designed for precise valve positioning and feedback within Ovation systems.

Valve Positioner Interface

• Control Channels: 1 field interface channel

• LVDT Feedback Input: 25 V AC peak-to-peak max

• Input Impedance: 20 kΩ differential, 10 kΩ single-ended

• Excitation Output: 17–23.75 V AC peak-to-peak depending on module

• Load Impedance: Minimum 500 Ω

• Drift: 0.5% max/year

Servo Valve Control

• Peak Coil Voltage: ±2.04 V for up to three 82 Ω coils

• Voltage Accuracy: 0.4% of full scale

• Resistors: 330 Ω, providing up to ±24.9 mA into 82 Ω coils

Connectivity & Isolation

• Ports: 1 LIM/SLIM port, 1 RS-232 serial port, SLIM interface via RS-485

• Dielectric Isolation: 1000 V DC on field interface

• Short-Term Isolation: 50 V and 150 V from logic common/Ovation I/O bus

Electrical Ratings

• Current: 1.25 A

• Voltage: 250 V

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