Publication 1769-UM005A-EN-P
Table of Contents
ii
Field Wiring Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
System Wiring Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
RTD Wiring Considerations . . . . . . . . . . . . . . . . . . . . . . . . 3-9
Terminal Door Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10
Removing and Replacing the Terminal Block . . . . . . . . . . 3-10
Wiring the Finger-Safe Terminal Block. . . . . . . . . . . . . . . 3-11
Wiring the Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
Wiring RTDs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13
Wiring Resistance Devices (Potentiometers) . . . . . . . . . . . 3-14
Module Data, Status, and
Channel Configuration
Module Memory Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Input Data Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
General Status Flag Bits (S0 to S5) . . . . . . . . . . . . . . . . . . . 4-3
Open-Circuit Flag Bits (OC0 to OC5) . . . . . . . . . . . . . . . . . 4-4
Over-Range Flag Bits (O0 to O5) . . . . . . . . . . . . . . . . . . . . 4-4
Under-Range Flag Bits (U0 to U5) . . . . . . . . . . . . . . . . . . . 4-4
Configuring Channels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
Configuration Data File . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
Channel Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
Enabling or Disabling a Channel (Bit 15) . . . . . . . . . . . . . . 4-8
Selecting Data Format (Bits 12 to 14) . . . . . . . . . . . . . . . . . 4-8
Selecting Input/Sensor Type (Bits 8 to 11) . . . . . . . . . . . . 4-13
Selecting Temperature Units/Mode (Bit 7) . . . . . . . . . . . . 4-14
Selecting Open-Circuit Response (Bits 5 and 6) . . . . . . . . 4-14
Selecting Cyclic Lead Compensation (Bit 4) . . . . . . . . . . . 4-14
Selecting Excitation Current (Bit 3) . . . . . . . . . . . . . . . . . 4-15
Setting Filter Frequency (Bits 0 to 2) . . . . . . . . . . . . . . . . 4-15
Selecting Enable/Disable Cyclic Autocalibration
(Word 6, Bit 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-19
Determining Effective Resolution and Range . . . . . . . . . . . . . 4-19
Determining Module Update Time . . . . . . . . . . . . . . . . . . . . 4-26
Effects of Autocalibration on Module Update Time. . . . . . 4-27
Calculating Module Update Time with Autocalibration
Enabled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-28
Effects of Cyclic Lead Wire Compensation on Module
Update Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-30
Calculating Module Update Time with Cyclic Lead Wire
Compensation Enabled . . . . . . . . . . . . . . . . . . . . . . . . . . 4-31
Impact of Autocalibration and Lead Wire Compensation on
Module Startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-32
Effects of Autocalibration on Accuracy . . . . . . . . . . . . . . . . . 4-33
Содержание Compact 1769-IR6
Страница 1: ...Compact I O RTD resistance Input Module Catalog Number 1769 IR6 User Manual AB PLCs ...
Страница 10: ...Publication 1769 UM005A EN P P 4 ...
Страница 40: ...Publication 1769 UM005A EN P 3 16 Installation and Wiring ...
Страница 74: ...Publication 1769 UM005A EN P 4 34 Module Data Status and Channel Configuration ...
Страница 115: ...AB PLCs ...
Страница 116: ...Publication 1769 UM005A EN P February 2001 2001 Rockwell International Corporation Printed in the U S A ...