Honeywell UDC 3300 manual Input Calibration, Introduction What’s in this section

Section 7 – Input Calibration

7.1 Overview

Introduction

What’s in this section

This section describes the field calibration procedures for Input 1 and Input 2. Every UDC 3300 controller contains all input actuation ranges fully factory calibrated and ready for configuration to range by the user. However, these procedures can be implemented if the factory calibration of the desired range is not within specifications.

Note that the field calibration will be lost if a change in input type configuration is implemented at a later time. The original factory calibration data remains available for later use after a field calibration is done.

This section contains the following topics:

	Topic	See Page
7.1	Overview	219
7.2	Minimum and maximum range values	220
7.3	Preliminary Information	221
	• Disconnect the field wiring	221
	• Equipment needed	222
7.4	Input 1, 2, or 3 Set Up Wiring	223
	• Thermocouple inputs using an ice bath	223
	• Thermocouple inputs using a precision resistor	224
	• RTD (Resistance Thermometer Device) inputs	225
	• Radiamatic, Millivolts, or Volts except 0-10 Volts	226
	inputs
	• 0 to 10 Volts input	227
	• 4-20 Milliamps input	228
7.5	Input 1, 2, or 3 Calibration Procedure	229
7.6	Restoring Factory Calibration	231

WARNING—SHOCK HAZARD !

INPUT CALIBRATION MAY REQUIRE ACCESS TO HAZARDOUS LIVE CIRCUITS, AND SHOULD ONLY BE PERFORMED BY QUALIFIED SERVICE PERSONNEL. MORE THAN ONE SWITCH MAY BE REQUIRED TO DE- ENERGIZE UNIT BEFORE CALIBRATION.

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