Topworx DXP - User Manual

Installation, Operation & Maintenance Manual
3300 Fern Valley Road, Louisville, Kentucky 40213 USA www.topworx.com
502.969.8000 phone 502.969.5911 fax info@topworx.com
Table of Contents
2 Features and Specifications
3 Installation
4 Calibration & Operation
6 Calibration Flow Chart
7 Maintenance
DXP with 4-20mA Position Transmitter
The DXP combines position sensors, internal mount pilot device and an
on-board spool valve into a single enclosure.
• Explosion-proof Class I, Div.1, Groups C & D (Ex d IIB+H2, II 2 G)
• GO Switch, Mechanical, Proximity and Inductive Sensor switch
options
• Optional Solenoid Pilot Valve
0518

Topworx DXP Specifications

General

Power Supply	24 VDC
Enclosure Material	Aluminum
Certifications	ATEX, IECEx, CSA
Ingress Protection	IP66
Communication Protocols	Foundation Fieldbus

Summary

Features and Specifications

Electrical Data

Electrical specifications including voltage range, output signal, and input polarity for the transmitter.

Potentiometer Only Shaft Position Monitoring

Details on the potentiometer-only version and its voltage output based on valve position.

Installation

Potentiometer Electrical Data

Electrical specifications for the potentiometer-only version, including voltage, current, and linearity.

Installation Procedure

Step-by-step guide for installing the 4-20mA transmitter module or potentiometer.

Calibration & Operation

4-20 mA Current Position Transmitter Calibration

Procedure for calibrating the 4-20mA transmitter, including set point configuration.

+;- 3% Over and Under Travel Calibration

Calibration option for +/- 3% over and under travel at set end points.

No Under and Over Travel Calibration (Full Linear)

Calibration option for full linear output without over/under travel correction.

Stand Alone Potentiometer Setup

Calibration Flow Chart

Maintenance

Error Code and Problem Table

Troubleshooting guide correlating error codes with potential causes and solutions.

4-20 mA Current Position Transmitter Operation

Details on the output behavior of the 4-20mA transmitter during run mode.

Stand Alone Potentiometer Operation

Explanation of the ratio metric voltage output for the potentiometer-only version.