Tempco tec-920 User Manual

Instruction Manual
TEC-220 and TEC-920
Auto-Tune Fuzzy / PID Process
Temperature Controller
Agency Approvals
Manual TEC-220/920 Revision 9/2016
TEMPCO Electric Heater Corporation
607 N. Central Avenue • Wood Dale, IL 60191-1452 USA
Tel: 630-350-2252 • Toll Free: 800-323-6859
Fax: 630-350-0232 • E-mail: info@tempco.com
Web: www.tempco.com
Serving Industry Since 1972

Tempco tec-920 Specifications

General

Brand	Tempco
Model	tec-920
Category	Temperature Controller
Language	English

Summary

1-4 Keys and Displays

Keypad Operation and Navigation

Explains the function of each key on the controller's front panel for navigation, setup, and setpoint adjustment.

1-6 Parameter Descriptions

PID Control Loop Tuning Parameters

Sets Proportional Band, Integral Time, and Derivative Time constants for PID control.

Communication and Data Settings

Sets communication interface, address, baud rate, data bits, parity, and stop bits.

Chapter 2 Installation

2-2 Mounting Procedures

Details panel cutout dimensions and mounting procedures for the controllers.

2-4 Power and Sensor Wiring

2-4 Power Wiring Guidance

Guidance on connecting the power supply to the controller, noting voltage compatibility.

2-6 Sensor Input Wiring

2-8 Alarm and Data Communication Wiring

2-9 Data Communication Wiring

Chapter 3 Programming

3-2 Signal Input Settings

3-3 Control Output Modes

Details available control modes and their setup for outputs 1 and 2.

3-4 Alarm Functions

3-10 Failure Transfer

3-11 Auto-tuning and Manual Tuning

3-11 Auto-tuning Process

Details the auto-tuning process for optimizing PID control parameters.

3-12 Manual Tuning Guide

Provides guidance for manually adjusting PID parameters to improve control performance.

Chapter 5 Calibration

Manual Calibration Procedures

Step-by-step guide for manually calibrating the controller's inputs and functions.

Chapter 7 Modbus Communications

7-2 Exception Responses and Parameter Table

7-3 Parameter Table