Rockwell-automation 1734-IT2I Thermocouple and RTD Input Module User M Manuale Utente Scaricare il pdf (Pagina 58)

Publication 1734-UM004F-EN-E - December 2012

48 Calibrate Your Module

Tools and Equipment

Required to Calibrate

Your RTD Module

To calibrate your RTD module, you need the following tools and equipment.

Calibrate the RTD Input

Module

To calibrate your RTD input module, connect the module to a DeviceNet

system similar to that shown in the figure and perform the following

procedures.

Module Calibration

1. Double-click the icon to bring up the General Parameter dialog.

Tool or Equipment Description

Precision Resistors High precision resistors:

100 Ω, 0.04%, 5 ppm/ oC

500 Ω, 0.03%, 5 ppm/ oC - for 1734-IR2 module

200 Ω, 0.03%, 5 ppm/ oC - for 1734-IR2E module

Calibrated resistor Decade Box, 0.05%

Precision Voltage Source +100 mV, 1 mV resolution - accuracy +

3 μV or better

IMPORTANT

Apply power to the power supply and module for at least 10

minutes before calibrating the module.

01 01 01 01 01 0101

DeviceNet Input

100 Ω for Low;

500 Ω for High

Channel 0

Connect to 0 and 2

Decade

Resistance Box

(0.05% or better)

Channel 1

Connect to 1 and 3

1734-IR21734-PDN

Channel 0

Channel 1

45998

45999

100 Ω for Low;

500 Ω for High

1 Ω resistor

1 2 ... 53 54 55 56 57 58 59 60 61 62 63 ... 83 84

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Rockwell-automation 1734-IT2I Thermocouple and RTD Input Module User M Manuale Utente Pagina 58

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