Alpha Omega Instruments 800 Series - User Manual

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Series 800 and Series 850

THERMOELECTRIC COOLER CONTROLLER

INSTRUCTION MANUAL

This manual was written for users of either the Series 800 Thermoelectric Cooler Controller

or the rack mounted Series 850 Thermoelectric Cooler Controller. Where differences in the

two controllers are important to distinguish, those distinctions have been so noted.

Email: info@aoi-corp.com

401.333.5550Fax:

401.333.8580Phone:

30 Martin Street, Cumberland, RI 02864

VERSION 4.1 COPYRIGHT 2004, ALPHA OMEGA INSTRUMENTS

CORP. ALL RIGHTS RESERVED INCLUDING THE RIGHT TO

REPRODUCE THIS MANUAL, OR ANY PORTION THEREOF, IN

A

NY FORM.

ALPHA OMEGA

INSTRUMENTS

Questions and Answers

V
vsmithAug 4, 2025
What to do if [Err1], [Err2], [Err3], or [Err4] shows on the Alpha Omega Instruments 800 Controller display?
- M
  Monica BrownAug 4, 2025
  If the Alpha Omega Instruments Controller displays [Err1], [Err2], [Err3], or [Err4], it indicates a problem with the temperature sensor input. To resolve this, check the sensor wiring for reversed wires, open circuits, or shorted circuits. Also, verify the sensor programming and configuration as detailed in Step 1 of the Manual for your specific temperature sensor. Ensure that the ambient temperature is within the acceptable range and that the calibration offset parameter is appropriately set.
C
Christian TorresAug 20, 2025
Why is there no output from my Alpha Omega Instruments Controller?
- D
  David RobinsonAug 20, 2025
  The absence of output from the Alpha Omega Instruments Controller can stem from several parameter settings. Verify that [Il`A] and [IL`B] are not set to 0.0 and ensure that Alarm 3 is not disabled. Confirm that [a3lo] and [a3hi] are configured outside the normal operating range. Additionally, check if the % LED is illuminated, which signifies Manual mode operation.

Alpha Omega Instruments 800 Series Specifications

General

Brand	Alpha Omega Instruments
Model	800 Series
Category	Controller
Language	English

Summary

Warranty and Safety

Warranty Terms and Conditions

Details the warranty terms and conditions for the Series 800/850 controllers.

Safety Warnings and Precautions

Covers electrical shock, rain exposure, RF interference, and ventilation hazards.

Product Specifications

Series 800 Specifications

Technical specifications for the Series 800 Thermoelectric Cooler Controller.

Series 850 Specifications

Technical specifications for the Series 850 Thermoelectric Cooler Controller.

Controller Description and Setup

Ease of Use and Versatility

Overview of the Series 800/850 TEC Controllers, including ease of use and versatility.

Standard Features

Details features like alarm relays, soft start, and communication options.

Hardware Connections

Description of rear panel items including heat sinks and connectors.

Temperature Sensor Setup

Guide to selecting and configuring temperature sensors.

Front Panel Controls

Explanation of front panel keys, displays, and navigation.

Operation and Control

Hardware Concepts

Explanation of output functions, current limits, and alarm configurations.

Auto-Tuning Procedure

Procedure for automatically setting PID parameters for optimal control.

Control Methods Overview

Details ON/OFF, P, PI, PID, and Ramp to Set Point control strategies.

Detailed Parameter Descriptions

In-depth explanation of Main Menu parameters for controller configuration.

Appendices and Advanced Features

System Configuration

Diagrams of controller inputs, outputs, and sensor interface connections.

Power Booster Module

Information on connecting and using Power Booster Modules with controllers.

TECView Software

Features and usage of the TECView software for controller operation.

GPIB Communication

Setup and commands for controlling the Series 850 via GPIB.

Modbus Protocol

Information on Modbus RTU protocol, commands, and registers for controller communication.

Troubleshooting

Common Issues and Solutions

Common problems like no output, error messages, and their solutions.

Points of Clarification

Explanation of current limits and their interaction with set points.