Honeywell 2MLF-RD4A User manual

Honeywell Process Solutions
Resistance Temperature Detector
2MLF-RD4A
User's Guide
ML200-RTD
R200
September 2010
Release 200
Honeywell

ii Resistance Temperature Detector 2MLF-RD4A User's Guide R200
Honeywell September 2010
Notices and Trademarks
Copyright 2010 by Honeywell International Sárl.
Release 200 September 2010
While this information is presented in good faith and believed to be accurate, Honeywell disclaims
the implied warranties of merchantability and fitness for a particular purpose and makes no
express warranties except as may be stated in its written agreement with and for its customers.
In no event is Honeywell liable to anyone for any indirect, special or consequential damages. The
information and specifications in this document are subject to change without notice.
Honeywell, PlantScape, Experion PKS, and TotalPlant are registered trademarks of Honeywell
International Inc.
Other brand or product names are trademarks of their respective owners.
Honeywell Process Solutions
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Phoenix, AZ 85027 USA
1-800 822-7673

R200 Resistance Temperature Detector 2MLF-RD4A User's Guide iii
September 2010 Honeywell
About This Document
This document describes the specifications, handling, and programming methods for
2MLF-RD4A type Resistance Temperature Detector (RTD) module used in association
with CPU module of MasterLogic-200 PLC series (here after referred to as 2MLF-
RD4A).
Release Information
Document Name Document
ID
Release
Number
Publication
Date
2MLF-RD4A User's Guide - ML200 ML200-
RTD
200 September
2010
References
The following list identifies all documents that may be source of reference for material discussed
in this publication.
Document Title
SoftMaster User’s Gudie

Support and Other Contacts
iv Resistance Temperature Detector 2MLF-RD4A User's Guide R200
Honeywell September 2010
Support and Other Contacts
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Honeywell Global TAC – India
[phone]
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Honeywell Automation India Ltd
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Global-TAC-Indi[email protected]

Support and Other Contacts
R200 Resistance Temperature Detector 2MLF-RD4A User's Guide v
September 2010 Honeywell
Korea
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Honeywell Global TAC – Korea
[phone]
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Honeywell Co., Ltd
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Support and Other Contacts
vi Resistance Temperature Detector 2MLF-RD4A User's Guide R200
Honeywell September 2010
Japan
Contact:
Phone:
Fascimile:
Mail:
Email:
Honeywell Global TAC – Japan
[phone]
[phone]
Honeywell Japan Inc.
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Global-TAC-JapanJ[email protected]om
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Symbol Definitions
R200 Resistance Temperature Detector 2MLF-RD4A User's Guide vii
September 2010 Honeywell
Symbol Definitions
The following table lists the symbols used in this document to denote certain conditions.
Symbol Definition
ATTENTION: Identifies information that requires special
consideration.
TIP: Identifies advice or hints for the user, often in terms of
performing a task.
REFERENCE -EXTERNAL: Identifies an additional source of
information outside of the bookset.
REFERENCE - INTERNAL: Identifies an additional source of
information within the bookset.
CAUTION
Indicates a situation which, if not avoided, may result in equipment
or work (data) on the system being damaged or lost, or may result in
the inability to properly operate the process.
CAUTION: Indicates a potentially hazardous situation which, if not
avoided, may result in minor or moderate injury. It may also be used
to alert against unsafe practices.
CAUTION symbol on the equipment refers the user to the product
manual for additional information. The symbol appears next to
required information in the manual.
WARNING: Indicates a potentially hazardous situation, which, if not
avoided, could result in serious injury or death.
WARNING symbol on the equipment refers the user to the product
manual for additional information. The symbol appears next to
required information in the manual.

Symbol Definitions
viii Resistance Temperature Detector 2MLF-RD4A User's Guide R200
Honeywell September 2010
Symbol Definition
WARNING, Risk of electrical shock: Potential shock hazard where
HAZARDOUS LIVE voltages greater than 30 Vrms, 42.4 Vpeak, or
60 VDC may be accessible.
ESD HAZARD: Danger of an electro-static discharge to which
equipment may be sensitive. Observe precautions for handling
electrostatically sensitive devices.
Protective Earth (PE) terminal: Provided for connection of the
protective earth (green or green/yellow) supply system conductor.
Functional earth terminal: Used for non-safety purposes such as
noise immunity improvement.
NOTE: This connection shall be bonded to Protective Earth at the
source of supply in accordance with national local electrical code
requirements.
Earth Ground: Functional earth connection.
NOTE: This connection shall be bonded to Protective Earth at the
source of supply in accordance with national and local electrical
code requirements.
Chassis Ground: Identifies a connection to the chassis or frame of
the equipment shall be bonded to Protective Earth at the source of
supply in accordance with national and local electrical code
requirements.

R200 Resistance Temperature Detector 2MLF-RD4A User's Guide ix
September 2010 Honeywell
Contents
1. INTRODUCTION ..........................................................................17
1.1 Introduction to Resistance Temperature Detector .................................... 17
1.2 Features ......................................................................................................... 17
1.3 Terminology................................................................................................... 19
Analog value – A ..................................................................................................................19
Digital value - D....................................................................................................................19
Platinum resistance temperature detector (RTD) .................................................................20
2. SPECIFICATIONS........................................................................21
2.1 Performance specifications ......................................................................... 21
2.2 Part names and functions ............................................................................ 23
2.3 RTD input module characteristics............................................................... 25
Temperature conversion ......................................................................................................25
Conversion speed ................................................................................................................26
Accuracy ..............................................................................................................................26
Temperature display ............................................................................................................27
Scaling function....................................................................................................................28
Disconnection detecting function..........................................................................................29
Sensor connection ...............................................................................................................30
2.4 RTD module functions.................................................................................. 34
Averaging function ...............................................................................................................34
Filtering function...................................................................................................................36
Alarm function ......................................................................................................................37
Maximum/minimum display function ....................................................................................40
3. INSTALLATION AND WIRING ....................................................41
3.1 Installation ..................................................................................................... 41
Installation environment .......................................................................................................41
Handling precautions ...........................................................................................................41
3.2 Wiring ............................................................................................................. 42
Wiring precautions ...............................................................................................................42
Wiring examples...................................................................................................................42

Contents
Symbol Definitions
x Resistance Temperature Detector 2MLF-RD4A User's Guide R200
Honeywell September 2010
4. OPERATION SETTING AND MONITORING .............................. 45
4.1 Operation procedure .....................................................................................45
4.2 Operation parameters setting ......................................................................46
Setting items........................................................................................................................ 46
How to use I/O parameters? ............................................................................................... 48
4.3 Functions of Special Module Monitoring ....................................................56
4.4 Precautions ....................................................................................................57
4.5 Special Module Monitoring...........................................................................58
Running Special Module Monitoring.................................................................................... 58
How to use Special Module Monitoring? ............................................................................. 58
4.6 Automatic registration of Special Module Variables .................................64
Automatic registration of special module variables.............................................................. 64
Save variables..................................................................................................................... 65
View variables in the program ............................................................................................. 66
5. INTERNAL MEMORY CONFIGURATION AND FUNCTIONS .... 69
5.1 Internal memory configuration.....................................................................69
Input/output area of conversion data (%U Address)............................................................ 69
Operation parameter setting area (PUT/PUTP)................................................................... 76
Other data monitoring area (GET/GETP) ............................................................................ 79
5.2 Internal memory functions............................................................................82
Read module READY/ERROR flags (internal memory address %UXa.b.14~15) ............... 82
Run channel flag (internal memory address %UXa.b.16~27).............................................. 82
Process alarm flag (internal memory address: %UXa.b.32~47).......................................... 83
Rate of change alarm flag (internal memory address %UXa.b.48~61) ............................... 83
Temperature value (internal memory address %UWa.b.4 ~7) ............................................ 84
Scaled temperature output value (internal memory address %UWa.b.8~11)...................... 85
Temp maximum/minimum value (internal memory address %UWa.b.12 ~19).................... 85
Data upload time (internal memory address %UDa.b.10~13) ............................................. 86
Alarm (PVA/RCA) enable/disable (internal memory address %UXa.b.464~471) ................ 86
5.3 Operation parameters setting area ..............................................................88
Channel enable/disable (address No.0) .............................................................................. 88
Sensor type setting (addresses 1–4)................................................................................... 89
Temperature conversion unit (address 5)............................................................................ 90
Filter value (addresses 6 – 9) .............................................................................................. 92
Averaging method setting (addresses 10–13)..................................................................... 93
Average value setting (addresses 14–17) ........................................................................... 94
Scaling type (address 18).................................................................................................... 96
Scaling range (addresses 19–26)........................................................................................ 98
Process alarm limit setting (addresses 27–42).................................................................... 99