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Honeywell 2MLF-RD4A User Manual

Honeywell 2MLF-RD4A User Manual

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

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Summary of Contents for Honeywell 2MLF-RD4A

  • Page 1 Honeywell Process Solutions Resistance Temperature Detector 2MLF-RD4A User's Guide ML200-RTD R200 September 2010 Release 200 Honeywell...
  • Page 2 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.
  • Page 3 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...
  • Page 4 Contact: Honeywell Global TAC – India Phone: +91-20- 6603-9400 Fascimile: +91-20- 6603-9800 Mail: Honeywell Automation India Ltd 56 and 57, Hadapsar Industrial Estate Hadapsar, Pune –411 013, India Email: Global-TAC-India@honeywell.com Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...
  • Page 5 Mail: Honeywell (China) Co., Ltd 33/F, Tower A, City Center, 100 Zunyi Rd. Shanghai 200051, People’s Republic of China Email: Global-TAC-China@honeywell.com Singapore Contact: Honeywell Global TAC – South East Asia Phone: +65-6580-3500 Fascimile: +65-6580-3501 +65-6445-3033 Mail: Honeywell Private Limited Honeywell Building...
  • Page 6 20th Floor, 1-16-1 Kaigan, Minato-ku, Tokyo 105-0022, Japan Email: Global-TAC-JapanJA25@honeywell.com Elsewhere Call your nearest Honeywell office. World Wide Web Honeywell Solution Support Online: http://www.honeywell.com/ps Training Classes Honeywell Automation College: http://www.automationcollege.com Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...
  • Page 7 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. R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...
  • Page 8 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. viii Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 9: Table Of Contents

    Maximum/minimum display function ..................40 INSTALLATION AND WIRING ............ 41 Installation ..................... 41 Installation environment ....................... 41 Handling precautions ......................41 Wiring ......................42 Wiring precautions ....................... 42 Wiring examples ........................42 R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...
  • Page 10 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 Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...
  • Page 11 RTD module status check through SoftMaster system monitoring ........135 Execution sequence ......................135 Module information ......................135 APPENDIX ................. 137 Appendix 1: Standard resistance values of Pt100/JPt100 sensors ..137 Appendix 2: Dimensions ................139 2MLF-RD4A ........................139 R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...
  • Page 12 Tables Tables Table 1 – Performance specifications ................21 Table 2 – Parts of 2MLF-RD4A ..................24 Table 3 – Disconnection detection ................. 30 Table 4 – Function of I/O parameters ................47 Table 5 – Functions of Special Module Monitoring ............56 Table 6 –...
  • Page 13 Figure 2 – Processing in the PLC .................. 20 Figure 3 – Processing in the PLC .................. 20 Figure 4 – Parts of 2MLF-RD4A ..................23 Figure 5 – Input range of Pt100 ..................25 Figure 6 – Input range of JPt100 ................... 26 Figure 7 –...
  • Page 14 Figure 82 – Parameters settings for RTD module ............124 Figure 83 – Special Module Monitoring window (flag monitor) ........125 Figure 84 – Temperature measuring module command window ......... 126 Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...
  • Page 15 Figure 89 – Troubleshooting when CPU cannot read temperature conversion value 133 Figure 90 – Troubleshooting when RTD input is not consistent with detected value .. 134 Figure 91 – Special Module Information window ............136 R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...
  • Page 16 Contents Figures Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 17: Introduction

    1.1 Introduction to Resistance Temperature Detector This user’s guide describes the specifications, handling, and programming methods of Resistance Temperature Detector (RTD), 2MLF-RD4A module. The RTD input module converts the input temperature data (analog value) measured by platinum RTD sensor (Pt100 or JPt100), to signed 16-bit binary data (digital value).
  • Page 18 The RTD module configuration parameters can be entered in the I/O parameter setting option in SoftMaster, this feature reduces the need of programming for configuring the module. In addition, temperature-converted value can be monitored using Special Module Monitor function. Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 19: 1.3 Terminology

    1 and 0, respectively, in a digital system. This is called as the binary numbering system. Decimals stored in binary format are called Binary Coded Decimals (BCD). BCD is thus a digital value. Figure 2 displays the digital value of the physical parameter (temperature). R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 20: Platinum Resistance Temperature Detector (Rtd)

    RTD is a sensor that detects temperature. The change in the resistance value of this device is directly proportional to the temperature. The resistance of these devices increases with temperature. At 0°C temperature, Pt100/JPt100 has the resistance value of 100.00Ω Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 21: Specifications

    Photo-coupler Terminal to PLC Power Wiring method 3-wire Time average (320 – 64000ms) Average Counting average (2 – 64000 count) Function Moving average (2 – 100 samples) Alarm Process alarm R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...
  • Page 22 2. Specifications 2.1. Performance specifications Item Specifications Input changing rate alarm Disconnection detection Filtering Digital filter (160 – 64000ms) Terminal block 18-point terminal block Current consumption 5V: 450mA Weight 150g Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 23: 2.2 Part Names And Functions

    2. Specifications 2.2. Part names and functions 2.2 Part names and functions The following diagram of 2MLF-RD4A shows the different parts. Figure 4 – Parts of 2MLF-RD4A R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 24: Table 2 - Parts Of 2Mlf-Rd4A

    2. Specifications 2.2. Part names and functions The respective parts of 2MLF-RD4A are as described in the Table 2. Table 2 – Parts of 2MLF-RD4A Name Description RUN LED Displays the hardware operation status (Fatal Error) ① ON: Normal Blinking: Error (0.2s Blinking)

  • Page 25: Rtd Input Module Characteristics

    RTD sensor has non-linear characteristics of resistance with temperature, so RTD input module linearizes the relationship between input temperature and output voltage values in each section. There are two types of sensors, which are connected to 2MLF-RD4A, and its input range is as follows: Pt100: JIS1064-1997 Figure 5 –...

  • Page 26: Conversion Speed

    Figure 6 – Input range of JPt100 Conversion speed The conversion speed of 2MLF-RD4A is 40ms per channel and each channel is converted sequentially, that is, channels are converted one after another. Run/stop can be specified independently for each channel.

  • Page 27: Temperature Display

    However, the precision cannot be guaranteed for any temperature out of the regular temperature input range. Maximum temperature input ranges of two sensors are as follows: Pt100: -210.0 – 860.0°C JPt100: -210.0 – 650.0°C R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 28: Scaling Function

    The scaled temperature value for 200°C input temperature is as follows. Figure 7 – Scaled output range of Pt100 − − Scale calculation: − For Pt100: X1= -200.0, X2= 850.0 JPt100: X1= -200.0, X2= 640.0 in the applicable formula. Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 29: Disconnection Detecting Function

    *B Disconnection: It is a disconnection between terminal B (two for 3-wire sensor) and terminal board of the module in the sensor, or a disconnection of both A and B terminals with the terminal board of the module in the sensor. R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 30: Sensor Connection

    2. Specifications 2.3. RTD input module characteristics The standard connection between 2MLF-RD4A module and RTD sensor is based on 3-wire RTD sensor. Disconnection will be detected on the basis of 3-wire wiring even if a 2-wire or 4-wire sensor is used.

  • Page 31: Figure 9 - 2-Wire Sensor

    Length of the wire should be as short as possible and the wire should be directly connected to the terminal block of 2MLF-RD4A without a connection terminal unit. If a connection terminal unit is used, then the compensating wire should be connected as shown below.

  • Page 32: Figure 10 - 3-Wire Sensor

    If 3-wire sensor is connected using (connection) terminal unit. Figure 10 – 3-Wire sensor ATTENTION 1*: If sensor and compensating wire are shielded, connect shield line to FG terminal of the module. Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 33: Figure 11 - 4-Wire Sensor

    2*: 4-wired sensor connection is the same as 3-wire. However, there are 4 sensor wires. The wire with an identical sign to the wire connected to terminal A should not be connected to the module. R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 34: Rtd Module Functions

    Frequency average This function adds all the temperature converted values of the specified channel for a specific number of times and outputs the average of the sum as digital data. Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 35: Figure 13 - Frequency Averaging Function

    However, in this case the moving average is calculated. The samples are taken every 40ms and the moving average of these is given as the output at every scan. R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 36: Filtering Function

    Filtering function This function derives the temperature-converted value of the specified channel based on the filtering constant (time-constant). The calculation is shown below: Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 37: Alarm Function

    This function triggers an alarm if the temperature-converted value of a specified channel exceeds the set temperature. There are four types of alarms based on four preset levels of temperature: High-High, High, Low, and Low-Low. R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 38: Figure 16 - Process Alarm Function

    (or change rate). In case of Pt100: Change rate [%] = (Present temperature-Temperature prior to alarm) ∗ 100 (8500-(-2000) Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 39: Figure 17 - Input Changing Rate Alarm Function

    2. Specifications 2.4. RTD module functions Figure 17 – Input changing rate alarm function R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 40: Maximum/Minimum Display Function

    2.4. RTD module functions Maximum/minimum display function This function displays the maximum or minimum change in the temperature-converted value of a specified channel for the specified section. Figure 18 – Maximum/minimum display function Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 41: Installation And Wiring

    3. Installation and Wiring Installation Installation environment The 2MLF-RD4A modules have high reliability regardless of its installation environment, but ensure the following for system reliability and stability. Environment prerequisites Avoid installing the module in places where it is subjected or exposed to: Water leakage and dust.

  • Page 42: Wiring

    3. Check the polarity before wiring. 4. Do not wire using high-voltage line or power line, as it can produce inductive hindrance causing abnormal operation or defect. Wiring examples Figure 19 – 2-Wire sensor Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 43: Figure 20 - 3-Wire Sensor

    2*: If 2-wired sensor is connected; short the terminals B and b on the terminal block of the module. Figure 20 – 3-Wire sensor ATTENTION 1*: If sensor and compensating wire are shielded, connect the shield line to FG terminal of the module. R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 44: Figure 21 - 4-Wire Sensor

    2*:4-wired sensor connection is the same as in 3-wire. However, there are 4 sensor wires. The wire with an identical sign to the wire connected to terminal A should not be connected to the module. Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell...

  • Page 45: Operation Setting And Monitoring

    4. Operation Setting and Monitoring Operation procedure Operation parameters of RTD module can be specified through I/O parameters of SoftMaster. Figure 22 – Operation procedures R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 46: Operation Parameters Setting

    Setting items For the user’s convenience, SoftMaster provides GUI for parameters setting of RTD module. Setting items available through I/O parameters of the SoftMaster project window are described in Table 4. Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 47: Table 4 - Function Of I/O Parameters

    RTD module when I/O Parameters are downloaded. In other words, the point of time when I/O Parameters are saved on the module has nothing to do with PLC CPU’s status RUN or STOP. R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 48: How To Use I/O Parameters

    On the I/O parameters Setting window, click the slot of the base where RTD module is installed. Here, RTD module is installed on Base No.0, Slot No.2. Search for the applicable module to select. Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...
  • Page 49 Select the module and click Details. The following window displays to specify parameters for respective channels as shown below. Click a desired item to display parameters to set for respective items. R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...
  • Page 50 4. Operation Setting and Monitoring 4.2. Operation parameters setting Step Action The module parameters are explained as below. Channel status: Select Enable or Disable. Select Enable to operate the channel. Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...
  • Page 51 4. Operation Setting and Monitoring 4.2. Operation parameters setting Step Action Sensor type: Select a sensor type to use between Pt100 and JPt100. R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...
  • Page 52 4. Operation Setting and Monitoring 4.2. Operation parameters setting Step Action Temperature unit: Select the output temperature unit among Celsius and Fahrenheit. Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...
  • Page 53 4.2. Operation parameters setting Step Action Setting value input: If you select an input item, the input range of the applicable setting value displays at the lower-half of the window. R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...
  • Page 54 4. Operation Setting and Monitoring 4.2. Operation parameters setting Step Action Incorrect setting: If you enter any incorrect value it is turned red as shown below (if input range is incorrect). Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...
  • Page 55 The figure in Step 6, shows that channel status is changed to ‘Enable’ for all the channels. R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 56: 4.3 Functions Of Special Module Monitoring

    ATTENTION The window may not be normally displayed due to insufficient system resource. In such a case, close the window and other applications and restart SoftMaster. Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 57: Precautions

    RTD module specified on the ‘Special Module Monitoring’ window will not be saved in I/O parameters located on the left pane of SoftMaster. Figure 23 – Special Module Monitor R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 58: 4.5 Special Module Monitoring

    Module Monitoring. If the status is not Online, Special Module Monitoring menu will not be activated. Figure 24 – Monitor menu How to use Special Module Monitoring? Perform the following steps to use Special Module Monitoring. Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...
  • Page 59 R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...
  • Page 60 Start Monitoring: Click Start Monitoring to display temperature-converted value of the online channel. The following figure illustrates the monitoring window displayed when all channels are in Stop status. The presently specified parameters of RTD module displays. Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...
  • Page 61 4. Operation Setting and Monitoring 4.5. Special Module Monitoring Step Action R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...
  • Page 62 Click the setting value to change the parameters. The following figure displays after Test is executed with channel 1’s input sensor type changed to PT100 if the input state is not wired. Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell...
  • Page 63 Close: Close is used for closing from the monitoring/test window. When the monitoring/test window is closed, the maximum value, the minimum value and the present value will not be saved. R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 64: 4.6 Automatic Registration Of Special Module Variables

    User can modify the variables and descriptions. Step Action Specify the special module of the slot on I/O parameters. Double-click Global Variable/Address. On the Edit menu, click Register Special Module Variables. The following Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 65: Save Variables

    Contents in the ‘View variables’ tab can be saved in a text file. On the Edit menu, click Save in a text file. Contents in the ‘View variables’ tab will be saved in a text file. R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 66: View Variables In The Program

    On the View tab, click View variables. Addresses are changed to variables. On the View tab, click Address/Variables to see addresses and variables simultaneously. On the View tab, click Addresses/Comments to see addresses and descriptions simultaneously. Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...
  • Page 67 4. Operation Setting and Monitoring 4.6. Automatic registration of Special Module Variables Step Action R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...
  • Page 68 4. Operation Setting and Monitoring 4.6. Automatic registration of Special Module Variables Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 69: Internal Memory Configuration And Functions

    Module H/W Error RTD input → %UXa.b.15 _ab_RDY Module Ready %UXa.b16 _ab_CH0_ACT CH0 Running %UXa.b17 _ab_CH1_ACT CH1 Running %UXa.b18 _ab_CH2_ACT CH2 Running %UXa.b19 _ab_CH3_ACT CH3 Running %UXa.b.20 _ab_CH0_BOUT CH0 Input Disconnection R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...
  • Page 70 Alarm Ultra Lower Limit Flag %UXa.b.37 _ab_CH1_PAL CH1 Process Alarm Lower Limit Flag RTD input → %UXa.b.38 _ab_CH1_PAH CH1 Process Alarm Upper Limit Flag %UXa.b.39 _ab_CH1_PAHH CH1 Process Alarm Ultra Upper Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...
  • Page 71 Limit Flag %UXa.b.48 _ab_CH0_RAL CH0 Rate- Change-Alarm Lower Limit Flag %UXa.b.49 _ab_CH0_RAH CH0 Rate- Change-Alarm Upper Limit Flag %UXa.b.52 _ab_CH1_RAL CH1 Rate- Change-Alarm Lower Limit Flag %UXa.b.53 _ab_CH1_RAH CH1 Rate- R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...
  • Page 72 CH0 Temp. Max. %UWa.b.13 Value _ab_CH0_MIN CH0 Temp. Min. %UWa.b.12 RTD input → Value _ab_CH1_MAX CH1 Temp. Max. %UWa.b.15 Value _ab_CH1_MIN CH1 Temp. Min. %UWa.b.14 Value %UWa.b.17 _ab_CH2_MAX CH2 Temp. Max. Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...
  • Page 73 _ab_CH3_MIN CH3 Temp. Min. %UWa.b.18 Value %UDa.b.10 _ab_CH0_TIME CH0 Data Upload Time %UDa.b.11 _ab_CH1_TIME CH1 Data Upload Time %UDa.b.12 _ab_CH2_TIME CH2 Data Upload Time %UDa.b.13 _ab_CH3_TIME CH3 Data Upload Time R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 74: Table 7 - Conversion Data Input/Output Area 2

    %UXa.b.466 Enable/Disable _11_CH3_FINDEN CH3 Max/Min Search %UXa.b.467 Enable/Disable _11_CH0_ALMEN CH0 Alarm(PVA/RCA) %UXa.b.468 Enable/Disable input ↔ _11_CH1_ALMEN CH1 Alarm(PVA/RCA) %UXa.b.469 Enable/Disable _11_CH2_ALMEN CH2 Alarm(PVA/RCA) %UXa.b.470 Enable/Disable _11_CH3_ALMEN CH3 Alarm(PVA/RCA) %UXa.b.471 Enable/Disable Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 75: Figure 25- Memory Address Of Ch0

    In order to read ‘the Flag status that detects CH3 (Channel 3) Input Disconnection’ from the RTD module installed on Base No.0, Slot No.5, The memory address used to access the flag status will be. %UX05.23 Figure 26 – Memory address of CH3 R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 76: Operation Parameter Setting Area (Put/Putp)

    Channel 2 Averaging Method Setting Channel 3 Averaging Method Setting Channel 0 Average Value Setting Channel 1 Average Value Setting Channel 2 Average Value Setting Channel 3 Average Value Setting Scaling Type Setting Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...
  • Page 77 Setting Channel 0 Process Alarm Min. L.L. Limit Setting Channel 1 Process Alarm H.H. Limit Setting Channel 1 Process Alarm H. Limit Setting Channel 1 Process Alarm L. Limit Setting R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...
  • Page 78 Channel 3 Process Alarm Hysteresis Setting Input Variation Alarm Value Unit Setting Channel 0 Input Variation Alarm Upper Limit Value Setting Channel 0 Input Variation Alarm Lower Limit Value Setting Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 79: Other Data Monitoring Area (Get/Getp)

    The internal memory is allocated for storing the monitoring data of the RTD input module. Table 9 – The other data monitoring area Address Description Default Remark Hex. Dec. Channel 0 Setting Error Information (Flag) R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...
  • Page 80 Channel 3 Input Variation Value (Input Variation Alarm Function Value) Channel 0 Disconnection Information (code) Channel 1 Disconnection Information (code) Channel 2 Disconnection Information (code) Channel 3 Disconnection Information (code) R/W implies Read/Write availability. Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...
  • Page 81 MOV, CMP, ADD, and so on (while PUT/GET instructions need to be used for parameter area of the module.) R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 82: 5.2 Internal Memory Functions

    (addresses 68–71). %UXa.b.16~19: It displays the run status of the applicable channel. If the applicable channel bit of ‘used CH setting area (address 0)’ is set to 1, it will be 1. Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell...

  • Page 83: Process Alarm Flag (Internal Memory Address: %Uxa.b.32~47)

    Rate of change alarm flag (internal memory address %UXa.b.48~61) %UXa.b.56~57: CH3 rate-change-alarm flag (upper limit/lower limit) %UXa.b.54~55: CH2 rate-change-alarm flag (upper limit/lower limit) %UXa.b.52~53: CH1 rate-change-alarm flag (upper limit/lower limit) %UXa.b.48~49: CH0 rate-change-alarm flag (upper limit/lower limit) R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 84: Temperature Value (Internal Memory Address %Uwa.b.4 ~7)

    Range of the output (measured) temperature value based on sensor type is as follows: Sensor Output range Effective measuring range Remarks type Pt100 2100 – 8600 2000 – 8500 (-210.0°C – 860.0°C) (-200.0°C – 850.0°C) Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 85: Scaled Temperature Output Value (Internal Memory Address %Uwa.b.8~11)

    Temp maximum/minimum value (internal memory address %UWa.b.12 ~19) Maximum/minimum temperature value is the output when the command to search for maximum/minimum is 1. (See Specifications for details on its functions.) R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 86: Data Upload Time (Internal Memory Address %Uda.b.10~13)

    1. Once the bit is set to 0, maximum/minimum value will not be detected. But the last detected maximum/minimum value will be saved. Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell...

  • Page 87: Figure 35 - Alarm (Pva/Rca) Enable/Disable

    5. Internal Memory Configuration and Functions 5.2. Internal memory functions Figure 35 – Alarm (PVA/RCA) enable/disable R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 88: Operation Parameters Setting Area

    Figure 36 – Channel enable/disable Description Disable Enable The value specified in B4 – BF will be disregarded. Use I/O parameter window of SoftMaster for more convenient setting of these bits. Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 89: Sensor Type Setting (Addresses 1-4)

    There are two types of RTD sensors available for RTD input module. If input is two or more, then an error will occur (UXY.01.8 – UXY.01.B) with the setting value ‘0’. Figure 38 – Sensor type setting R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 90: Temperature Conversion Unit (Address 5)

    Temperature-converted value is displayed in °C or °F as specified. The bits 0 to 3 are set to 0 or 1 to specify the temperature conversion unit. The rest of the bits are ignored. Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell...

  • Page 91: Figure 40 - Temperature Conversion Unit

    5.3. Operation parameters setting area Figure 40 – Temperature conversion unit Description Celsius Fahrenheit Use I/O parameter window of SoftMaster for more convenient setting. Figure 41 – I/O Parameter window 3 (temperature unit) R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 92: Filter Value (Addresses 6 - 9)

    0. Figure 42 – Filter value Address Description Channel 0 Filter Value Setting Channel 1 Filter Value Setting Channel 2 Filter Value Setting Channel 3 Filter Value Setting Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 93: Averaging Method Setting (Addresses 10-13)

    The value of this parameter can from 0 to 3 as shown below. If averaging method is set to ‘4’ or more, a setting error will occur and the parameter value will be rest to ‘0’ internally. Figure 44 – Averaging method R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 94: Average Value Setting (Addresses 14-17)

    If the average value is set to exceed the setting range, setting error occurs and the maximum/minimum averaging value is specified. Example: If time average is selected with the average value of 200, setting error occurs with the setting value of 320 internally produced. Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 95: Figure 46 - Averaging Value

    RED and also generates a resetting message. Figure 46 – Averaging value Address Description Channel 0 Average Value Setting Channel 1 Average Value Setting Channel 2 Average Value Setting Channel 3 Average Value Setting R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 96: Scaling Type (Address 18)

    If the bit is set to 0, the scale range will be signed integer type (Bipolar) with the output data range of -32768 – 32767 by scaled calculation (default). Information specified in Bits 4–F will be disregarded. Figure 48 – Scaling type Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 97: Figure 49 - I/O Parameter Window 7 (Scaling Data Type)

    Figure 49 – I/O Parameter window 7 (scaling data type) Bipolar: Output data has positive as well as negative values (signed integer). • Unipolar: Output data has positive values only (unsigned integer). • R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 98: Scaling Range (Addresses 19-26)

    Channel 1 Scaling Range Maximum Value Setting Channel 2 Scaling Range Minimum Value Setting Channel 2 Scaling Range Maximum Value Setting Channel 3 Scaling Range Minimum Value Setting Channel 3 Scaling Range Maximum Value Setting Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 99: Process Alarm Limit Setting (Addresses 27-42)

    (°C /°F) and the type of sensor (Pt100/JPt100). If the set value is outside the range, setting error will occur with the setting value saved inside the module. Figure 52 – Process alarm limit R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...
  • Page 100 Channel 3 Process Alarm HH value Setting Channel 3 Process Alarm H value Setting Channel 3 Process Alarm L value Setting Channel 3 Process Alarm LL value Setting Use I/O Parameter window for more convenient setting. Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 101: Process Alarm Hysteresis Setting (Addresses 43-46)

    ‘0’ saved inside the module. If process alarm function is used, the alarm output is set within the hysteresis value, though the alarming condition is cancelled. Figure 54 – Process alarm hysteresis R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 102: Input Variation Alarm Type (Address 47)

    If the bit is set to ‘1’, temperature variation rate (rate for input temperature range based on the sensor type) is the criterion of alarm for the specified channel. Example: for Pt100, Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell...

  • Page 103: Figure 56 - Input Variation Alarm Type

    If the bit is set to ‘0’, then the temperature variation value itself is criterion of the alarm. The information specified in Bits 4 – F will be disregarded. Figure 56 – Input variation alarm type Description Temperature variation value Temperature variation rate R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 104: Input Variation Alarm Upper/Lower Limit Value (Addresses 48-55)

    If input variation value is set in the input variation alarm type, the unit of the value to be set in this area represents temperature variation. Figure 58 – Input variation alarm maximum/minimum value Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell...

  • Page 105: Figure 59 - I/O Parameter Window 12 (Rca Value)

    Channel 3 Input Variation Alarm Upper Limit Value Setting Channel 3 Input Variation Alarm Lower Limit Value Setting Use I/O parameter window for more convenient setting. Figure 59 – I/O Parameter window 12 (RCA value) R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 106: Detection Cycle Of Input Variation Alarm (Addresses 56-59)

    Channel 2 Input Variation Alarm Detection Cycle Setting Channel 3 Input Variation Alarm Detection Cycle Setting Use I/O Parameter window for more convenient setting. Figure 61 – I/O Parameter window 13 Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 107: Setting Error Information (Addresses 60-63)

    Setting error of CH input variation alarm max. value (addresses 48, 50, 52, Bit C: Setting error of CH input variation alarm min. value (addresses 49, 51, 53, Bit D: Setting error of CH input variation alarm detection cycle (addresses 56–59) R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 108: Input Variation Value/Rate Output (Addresses 64-67)

    Channel 1 Variation Value (Variation Rate) Output of Input Variation Alarm Channel 2 Variation Value (Variation Rate) Output of Input Variation Alarm Channel 3 Variation Value (Variation Rate) Output of Input Variation Alarm Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell...

  • Page 109: Figure 64 - Special Module Monitoring Window

    Enable on the Special Module-Monitoring window. Figure 64 – Special Module Monitoring window Open FLAG monitoring window to set the alarm operation to enable as shown in the below screen. R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 110: Figure 65 - Flag Monitoring Window

    5. Internal Memory Configuration and Functions 5.3. Operation parameters setting area Figure 65 – Flag monitoring window Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 111: Sensor Disconnection Information (Addresses 68-71)

    Figure 66 – Sensor disconnection information Address Description Channel 0 Sensor Disconnection Information Output Channel 1 Sensor Disconnection Information Output Channel 2 Sensor Disconnection Information Output Channel 3 Sensor Disconnection Information Output R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...
  • Page 112 5. Internal Memory Configuration and Functions 5.3. Operation parameters setting area Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 113: Programming

    The data from internal memory addresses 0 and 1 is in the RTD module and is read and saved in D0 and D1 of CPU module while M00000 bit is turned ON. R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 114: Write Data To The Operation Parameters Setting Area (Put, Putp Instruction)

    Difference between PUT instruction and PUTP instruction PUT: executes at every scan when execution condition is turned ON. ( • PUTP: executes once at the rising edge of the execution condition. ( • Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 115: Figure 70 - Example Of Write Execution

    CH1 average value setting CH1 average value setting CH2 average value setting CH2 average value setting CH3 average value setting CH3 average value setting Figure 70 – Example of write execution R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 116: Basic Program

    The setting values specified through the ‘I/O Parameter’ window will be saved on the RTD module when the parameters are downloaded and the module is initialized. Figure 71 – I/O parameter setting window 1 Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell...

  • Page 117: Figure 72 - Parameters Settings For Rtd Module

    Select and place the applicable module in the slot where the module is physically installed and specify the operation parameters and thereafter download to PLC. Figure 73 – Basic program example post I/O parameter setting R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 118: Figure 74 - Basic Program Example Using Put/Get Instruction

    6. Programming 6.2. Basic program Figure 74 – Basic program example using PUT/GET instruction Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 119: Application Program

    D10 and D11 by the operation start bit (P00000). The scaled output value for the temperature conversion range of -200 to 850°C is 0–10000. Calculation formula is as shown below: R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 120: Figure 76 - I/O Parameter Setting Window 2

    It outputs information of setting error and disconnection to M0 and M10 and outputs information of setting error details to P0012 in BCD with bit P00002 ‘ON’. Program Figure 76 – I/O Parameter Setting window 2 Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 121: Figure 77 - Parameters Settings For Rtd Module

    6. Programming 6.3. Application program Figure 77 – Parameters settings for RTD module Figure 78 – Application program example post I/O parameters setting R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 122: Figure 79 - Application Program Example With Put/Get Instruction Used

    6. Programming 6.3. Application program Figure 79 – Application program example with PUT/GET instruction used Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 123: Program With °F Temperature-Converted Value And Highest/Lowest Process Alarm (I/O Slot Fixed-Points Assigned: Based On Changeable Type)

    The output contact is installed on the slot number 2. This program is used to trigger output (alarm) by means of the highest/lowest process function if the highest/lowest process alarm range is exceeded. Program Program example post I/O parameters setting R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 124: Figure 81 - I/O Parameter Setting Window 3

    Register the applicable module in the slot where the module is installed and specify the operation parameters that have to be downloaded to the PLC. Select ‘FLAG monitor’ on the Special Module Monitoring window. Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell...

  • Page 125: Figure 83 - Special Module Monitoring Window (Flag Monitor)

    6. Programming 6.3. Application program Figure 83 – Special Module Monitoring window (flag monitor) Set the alarm operation of CH0 enable on the instruction window of temperature input module. R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 126: Figure 84 - Temperature Measuring Module Command Window

    6. Programming 6.3. Application program Figure 84 – Temperature measuring module command window Figure 85 – Program example post I/O parameters setting Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 127: Figure 86 - Program Example With Put/Get Instruction Used

    6. Programming 6.3. Application program Figure 86 – Program example with PUT/GET instruction used R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...
  • Page 128 6. Programming 6.3. Application program Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 129: Troubleshooting

    Module error (ASIC RAM) Flickering Module error (Register Error) (0.2s cycle) Module error (Module Refresh Area Write Error) Module error (Module Refresh Area Read Error) Flickering Offset/Gain error (EEPROM Check Error) (5s cycle) R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 130: Table 13 - Disconnection Error Code List

    Table 13 – Disconnection error code list Error Internal memory address Code Description (Operation parameter (Decimal) area) Flickering Normal (1s) Sensor A Flickering 68 – 71 disconnection (1s) Sensor B Flickering disconnection (1s) Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 131: Troubleshooting Procedures

    7. Troubleshooting 7.3. Troubleshooting procedures Troubleshooting procedures RUN LED flickering Figure 87 – Troubleshooting when RUN LED is flickering R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 132: Run Led Off

    7. Troubleshooting 7.3. Troubleshooting procedures RUN LED OFF Figure 88 – Troubleshooting when RUN LED is OFF Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 133: Cpu Cannot Read Temperature Conversion Value

    7. Troubleshooting 7.3. Troubleshooting procedures CPU cannot read temperature conversion value Figure 89 – Troubleshooting when CPU cannot read temperature conversion value R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 134: Rtd Input Value Is Not Consistent With The Detected Value

    7. Troubleshooting 7.3. Troubleshooting procedures RTD input value is not consistent with the detected value Figure 90 – Troubleshooting when RTD input is not consistent with detected value Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 135: Rtd Module Hardware Error

    2. OS version: shows the O/S version information of RTD module. 3. OS date: shows the O/S prepared date of RTD module. 4. Module status: shows the present error code. R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...

  • Page 136: Figure 91 - Special Module Information Window

    7. Troubleshooting 7.3. Troubleshooting procedures Figure 91 – Special Module Information window Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 137: Appendix

    55.44 51.29 47.11 42.91 38.68 34.42 30.12 25.80 21.46 100.00 96.02 92.02 88.01 83.99 79.96 75.91 71.85 67.77 63.68 Temperature(℃) 100.00 103.97 107.93 111.88 115.81 119.73 123.64 127.54 131.42 135.3 R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...
  • Page 138 235.45 238.99 242.53 246.05 249.56 253.06 256.55 260.02 263.49 266.94 270.38 273.8 277.22 280.63 284.02 287.4 290.77 294.12 297.47 300.8 304.12 307.43 310.72 314.01 317.28 320.54 323.78 327.02 330.24 333.13 Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...

  • Page 139: Appendix 2: Dimensions

    8. Appendix 8.2. Appendix 2: Dimensions Appendix 2: Dimensions 2MLF-RD4A R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...
  • Page 140 8. Appendix 8.2. Appendix 2: Dimensions Resistance Temperature Detector 2MLF-RD4A User's Guide R200 Honeywell September 2010...
  • Page 141 8. Appendix 8.2. Appendix 2: Dimensions R200 Resistance Temperature Detector 2MLF-RD4A User's Guide September 2010 Honeywell...
  • Page 142 Honeywell Process Solutions 1860 W. Rose Garden Lane Phoenix, AZ 85027 USA...

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