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Tescom ER3000 - User Manual

Tescom ER3000
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ER3000 Electronic
Pressure Controller
User Manual

Table of Contents

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Tescom ER3000 Specifications

General IconGeneral
BrandTescom
ModelER3000
CategoryController
LanguageEnglish

Summary

Product Warranty

Introduction

Specifications

Enclosure

Details on the ER3000's NEMA 4X enclosure and wiring port requirements.

Media

Recommended media and filtration for ER3000 operation.

Inlet Pressure

Specifies minimum, maximum, and typical inlet pressure ratings.

Environment

Operating temperature, pressure, and humidity ranges for the ER3000.

Flow Rate

Defines the flow rate (Cv) and notes on using a booster regulator.

Power Requirement

Specifies voltage and current requirements for the ER3000.

RS485 Communication Interface

Details networking capabilities, cable length, and baud rate.

Accuracy

Specifies room temperature and temperature effects on accuracy.

Response Time

Defines rise and fall times for pressure response.

Ports

Lists conduit and pneumatic port sizes and types.

Weight

Provides the physical weight of the ER3000 unit.

External Analog Input Impedance

Specifies impedance for analog input signals (4-20mA, 1-5V, 0-10V).

Digital Outputs

Defines current, voltage, and type for digital outputs.

Digital Inputs

Specifies voltage range and impedance for digital inputs.

Analog Output

Details accuracy for the 4-20mA analog output.

Sensor Update Rate

Indicates the rate of sensor reading and processing.

ER3000 Part Numbering System

Installation

Interface Cable Assemblies

Wiring configurations for main and auxiliary cable assemblies.

Voltage;Current Select Jumpers

Explains jumper settings for analog input signal selection.

Basic ER3000 to PC Wiring

Illustrates the essential wiring for PC communication.

Setting up a Typical ER3000 Pressure Control System

Details a common setup with power, regulator, and transducer.

Connect Transducer Wiring

Guides on wiring for 2, 3, and 4-wire transducers.

Analog Setpoint Source

Shows wiring for analog setpoints from PC/PLC or potentiometer.

Monitor the Feedback Signal

Wiring diagrams for monitoring feedback signals via A/D card.

Networking ER3000 s

Instructions for daisychaining up to 32 ER3000 controllers.

Operation

Theory of Operation

Explains the ER3000's microcontroller-based control algorithm.

Control Modes

Describes the four available modes: Internal, External, Cascade, Manual.

Internal Feedback Mode

Uses the ER3000's internal sensor for pressure control.

External Feedback Mode

Uses a user-supplied external transducer for pressure control.

Setpoint Sources

Details sources for setpoints: RS485, analog signal, or profile.

Failsafe Limits

Configures programmable limits and their associated failsafe states.

RS485 Communication

Explains RS485 communication protocol and network configuration.

Tuning Procedure

Typical Application to Tune

Overview of a typical application setup for tuning.

Tune the Typical Application

Step-by-step guide for tuning the ER3000 using Windows software.

Calibration

Zero;Span Calibration

Procedure for adjusting zero and span settings for accuracy.

Software Programs

Windows Tune Program

Comprehensive software for monitoring, tuning, and configuration.

Tescom Protocol Support

Information on the non-proprietary protocol for custom software.

DOS Programs

Details on DOS-based utilities like TUNE.EXE and ERTALK.

ER3000 Internal Variables

Setpoint and Feedback Variables

Variables related to controller setpoint and feedback signals.

Configuration Variables

Variables for setting control mode, failsafe, and network node.

Inner Loop Tuning Variables

Parameters for tuning the inner PID control loop.

Outer Loop Tuning Variables

Parameters for tuning the outer PID control loop.

Failsafe Variables

Variables defining failsafe states and limits for specific signals.

Troubleshooting

LED Indicators

Interpreting LED status for power and communication.

ER3000 Power-up Test

Procedure to test ER3000 functionality using LED indicators.

ER3000 Data Communications Test

Testing data communication using LED indicators and software.

Pressure Control Problems

Troubleshooting common issues with pressure control.

Leak Test

Procedures for leak testing the ER3000 using DOS or Windows software.

ER3000 Accessories

Mechanical Dimensions of ER3000

CE Declaration of Conformity