1/01 UDC3300 Limit Controller Product Manual 57
Section 6 – Input Calibration
6.1 Overview
Introduction
This section describes the field calibration procedures for Input 1.
Every UDC3300 Limit 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.
What’s in this section
This section contains the following topics:
Topic See Page
6.1 Overview 57
6.2 Minimum and maximum range values 58
6.3 Preliminary Information
• Disconnect the field wiring
• Equipment needed
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6.4 Input 1 Set Up Wiring
• Thermocouple inputs using an ice bath
• Thermocouple inputs using a precision resistor
• RTD (Resistance Thermometer Device) inputs
• Radiamatic, Millivolts, or Volts except 0-10 Volts
inputs
• 0 to 10 Volts input
• 4-20 Milliamps input
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6.5 Input 1 Calibration Procedure 67
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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