EPRO CON031+PR6423/002-131 Signal Converters

The Emerson CON031+PR6423/002-131, also cataloged as the CON031 Signal Converter with PR6423 Eddy Current Sensor, operates as a dedicated hardware component for non-contact shaft displacement and vibration processing within turbomachinery monitoring systems.

Suffix Breakdown & Model Matrix

Hardware Specifications

4-20 mA HART Loop Protocol and Channel-to-Channel Isolation

The CON031 signal converter conditions dynamic coil impedance changes from the PR6423/002-131 sensor head into linear, high-bandwidth voltage signals. Delivering dynamic response up to 20,000 Hz (-3 dB) with a rise time under 15 us, the internal circuitry supports precise measurement of high-speed vibration and shaft position. The module incorporates channel-to-channel isolation circuits to prevent ground loop noise from corrupting measurement channels across multi-bearing machinery trains. Integration into Emerson DeltaV and AMS monitoring systems enables 4-20 mA HART loop protocol conversion for continuous parameter acquisition and system health logging.

Frequently Asked Questions

Q: What power supply range is required to achieve the -4 VDC to -20 VDC output span on the CON031?

A: Generating a -4 VDC to -20 VDC output requires a negative DC supply voltage rated between -23 VDC and -32 VDC connected to the screw terminals.

Q: What wire gauge size is supported on the CON031 connection terminals?

A: The CON031 screw terminals accept conductors up to 1.5 mm2 utilizing wire-end sleeves for secure electrical contact.

Field Installation Guidelines

• Mechanical Installation: Secure the CON031 aluminum alloy housing to the mounting plate using the four included M5x20 screws. Torque fasteners evenly to prevent mechanical stress on the enclosure.
• Sensor Gap Setup: Thread the PR6423/002-131 sensor body perpendicularly toward the target shaft surface. Adjust the mechanical position to establish the static gap voltage reference before locking the mounting jam nut.
• Cable Wiring and Shielding: Connect signal wires to the screw terminals using 1.5 mm2 ferruled leads. Route armored sensor cables through grounded metal conduits away from AC power lines and VFD output conductors to eliminate high-frequency electromagnetic interference.