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Micro Motion CDM100P User Manual

Micro Motion CDM100P
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Configuration and Use Manual
MMI-20020944, Rev AB
June 2014
Micro Motion
®
Compact Density Meters (CDM)
Configuration and Use Manual

Table of Contents

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Micro Motion CDM100P Specifications

General IconGeneral
BrandMicro Motion
ModelCDM100P
CategoryMeasuring Instruments
LanguageEnglish

Summary

Chapter 1 Before you begin

About this manual

Provides information to configure, commission, use, maintain, and troubleshoot the CDM.

Model codes and device types

Identifies device types by model code found on the device tag.

Communications tools and protocols

Details various communication tools and protocols for interfacing with the device.

Chapter 2 Quick start

Power up the transmitter

Steps to power up the transmitter for configuration, commissioning, or measurement tasks.

Check meter status

Procedure to check the meter for error conditions that require user action or affect accuracy.

Make a startup connection to the transmitter

Guides users on establishing the first connection to the transmitter for configuration.

Zero the meter

Establishes a baseline for velocity indicator by analyzing sensor output with no flow.

Chapter 3 Introduction to configuration and commissioning

Default values

Describes factory-configured default values determined by purchase order options.

Enable access to the off-line menu of the display

Instructions to enable off-line menu access on the display for configuration.

Disable HART security

Explains how to disable HART security if using HART protocol for device configuration.

Set the HART lock

Allows locking out other HART masters to prevent unauthorized data writing.

Restore the factory configuration

Returns the transmitter to a known operational configuration, useful for resolving configuration issues.

Chapter 4 Configure process measurement

Verify the calibration factors

Verifies that configured calibration factors match factory values for sensor traits.

Configure line density measurement

Controls how density is measured and reported, including units and damping.

Configure temperature measurement

Parameters to control how temperature data from the sensor is reported.

Configure the pressure input

Methods to obtain necessary pressure data for various measurements.

Configure velocity measurement

Settings for basic velocity measurement, used as a flow indicator.

Set up the API referral application

Corrects line density to reference temperature and pressure per API standards.

Set up concentration measurement

Calculates concentration from line density and temperature using matrices.

Chapter 5 Configure device options and preferences

Configure the transmitter display

Controls process variables shown on the display and various display behaviors.

Enable or disable operator actions from the display

Configures the transmitter to allow or restrict operator actions via the display.

Configure security for the display menus

Controls operator access to display menu sections and sets a password.

Configure alert handling

Manages transmitter response to process and device conditions via alerts.

Configure informational parameters

Parameters used to identify or describe the meter, not used in process measurement.

Chapter 6 Integrate the meter with the control system

Configure Channel B

Configures Channel B to operate as an mA output or a discrete output, depending on the device.

Configure the mA output

Parameters to control how the configured process variable is reported over the mA output.

Configure the discrete output

Controls which condition is reported via the discrete output and how it is reported.

Configure an enhanced event

Provides notification of process changes based on user-defined setpoints.

Configure HART/Bell 202 communications

Supports HART communications with the transmitter over a HART/Bell 202 network.

Configure Modbus communications

Controls Modbus communications with the transmitter via RS-485 terminals.

Configure Digital Communications Fault Action

Specifies values reported via digital communications during an internal fault condition.

Chapter 7 Completing the configuration

Test or tune the system using sensor simulation

Uses sensor simulation to test system response to conditions or tune control loops.

Back up transmitter configuration

Allows saving configuration sets to a PC for backup and replication across devices.

Enable HART security

Prevents changes to configuration via HART protocol when enabled.

Chapter 8 Transmitter operation

Record the process variables

Suggests recording process variable measurements for diagnosing application issues.

View process variables

Information about the process fluid state, flowmeter operation, and troubleshooting.

View and acknowledge status alerts

How to view active alerts and understand transmitter status for troubleshooting.

Chapter 9 Measurement support

Perform the Known Density Verification procedure

Verifies meter operation against factory baseline, checking for physical problems.

Adjust density measurement with Density Offset or Density Meter Factor

Modifies reported density measurement by adjusting offset or meter factor.

Perform density offset calibration

Verifies or adjusts the Density Offset value using laboratory reference density.

Adjust temperature measurement with Temperature Offset

Adjusts reported temperature measurement by modifying the Temperature Offset value.

Adjust concentration measurement with Trim Offset

Adjusts the meter's concentration measurement to match a reference value.

Adjust concentration measurement with Trim Offset and Trim Slope

Adjusts concentration measurement using both trim offset and trim slope for reference matching.

Set up user-defined calculations

Creates new process variables by inserting constants and existing variables into equations.

Chapter 10 Troubleshooting

Quick guide to troubleshooting

Provides a systematic approach to identify and resolve problems caused by installation or operation.

Check power supply wiring

Ensures the transmitter receives adequate power by inspecting power supply wiring.

Check grounding

Verifies that the sensor and transmitter are properly grounded.

Perform loop tests

Verifies transmitter and remote device communication and checks mA output trimming needs.

Status LED states

Interprets status LED indicators to understand device status and active alerts.

Status alerts, causes, and recommendations

Lists alerts, their possible causes, and recommended actions for resolution.

Density measurement problems

Identifies and resolves issues related to density measurement accuracy and readings.

Temperature measurement problems

Addresses inaccuracies or deviations in temperature measurement readings.

API referral problems

Troubleshoots issues with API referral application configuration and data readings.

Concentration measurement problems

Resolves problems with concentration measurement accuracy after matrix loading.

Velocity measurement problems

Diagnoses and resolves issues related to velocity measurement accuracy and readings.

Milliamp output problems

Addresses issues with mA output signals, including no output, loop test failures, and incorrect values.

Discrete output problems

Troubleshoots issues with discrete output signals, such as no output or reversed readings.

Time Period Signal (TPS) output problems

Resolves problems with the Time Period Signal (TPS) output.

Using sensor simulation for troubleshooting

Utilizes sensor simulation to distinguish process noise from external variation.

Trim mA outputs

Calibrates the transmitter's mA output to match the receiving device for accurate measurement.

Check HART communications

Troubleshoots HART communication failures or fixed mA output values.

Check Lower Range Value and Upper Range Value

Verifies LRV and URV configuration to prevent saturation alerts and fault actions.

Check mA Output Fault Action

Checks mA output behavior during internal fault conditions.

Check for radio frequency interference (RFI)

Identifies and mitigates radio frequency interference affecting TPS or discrete outputs.

Check Flow Direction

Ensures correct velocity data reporting by verifying Flow Direction configuration.

Check the cutoffs

Verifies density and velocity cutoff configurations for accurate calculations.

Check for two-phase flow (slug flow)

Diagnoses two-phase flow issues that cause rapid drive gain changes and measurement problems.

Check the drive gain

Analyzes drive gain data to identify process conditions or sensor problems.

Check the pickoff voltage

Collects pickoff voltage data to diagnose low readings related to process or equipment issues.

Check for internal electrical problems

Identifies shorts between sensor terminals or to the sensor case causing operational failure.

Locate a device using the HART 7 Squawk feature

Uses the HART 7 Squawk feature to display a pattern for locating or identifying a device.

Appendix A Calibration certificate

Sample calibration certificates

Describes the three calibration certificates provided with the meter.

Appendix B Using the transmitter display

Components of the transmitter interface

Identifies the transmitter interface components: status LED, display, and optical switches.

Use the optical switches

Explains how to use the Scroll and Select optical switches to control the transmitter display.

Access and use the display menu system

Guides users on navigating and performing tasks using the transmitter's display menu system.

Enter a floating-point value using the display

Details how to enter floating-point values using decimal or exponential notation on the display.

Appendix C Using ProLink III with the transmitter

Basic information about ProLink III

Introduces ProLink III as a configuration and service tool for Micro Motion transmitters.

Connect with ProLink III

Provides instructions on establishing connections to the transmitter using ProLink III.

Appendix D Using the Field Communicator with the transmitter

Basic information about the Field Communicator

Introduces the Field Communicator as a handheld tool for configuration and management.

Connect with the Field Communicator

Guides on connecting the Field Communicator to the transmitter for data and configuration.

Appendix E Concentration measurement matrices, derived variables, and process variables

Standard matrices for the concentration measurement application

Describes standard concentration matrices applicable for various process fluids.

Concentration measurement matrices available by order

Lists concentration matrices that can be ordered or loaded for specific applications.

Derived variables and calculated process variables

Explains the sets of process variables calculated from derived variables in concentration measurement.