Rosemount 975 Flame Detectors

Chapter 1: Introduction

This manual describes how operators can use HART® handheld field communicators to configure the Rosemount 975 Flame Detectors to suit customer needs, perform firmware upgrades, and find troubleshooting information and functionality.

This manual also describes the HART handheld communicator software and provides instructions on how to install, operate, and maintain the software.

Chapter 2: Installation

2.1 Download the HART® device driver (DD)

To download the HART device driver:

1. Go to Emerson.com.
2. Navigate to the relevant product page.
3. Scroll down to Documents and Drawings.
4. Click SOFTWARE DOWNLOADS & DRIVERS.
5. Download the relevant file.

2.2 Load device driver (DD) on HART® hand-held communicator

Procedure:

1. Load the DD on the HART hand-held communicator.
2. Select Setup.

Chapter 3: Operating the HART® hand-held communicator

From the main screen, you have three options:

Figure 3-1: Main screen

The main screen displays device status (e.g., 'Good', 'Polled') and an analog output gauge (0-22 mA). Below the gauge are navigation buttons: Menu, Overview, Service Tools, and Configure.

Navigation Options:

• A. Overview: Opens the Overview screen.
• B. Service Tools: Opens the Service Tools screen.
• C. Configure: Opens the Configure screen.

3.1 Overview screen

The Overview screen provides a summary of the device information.

Figure 3-2: Overview screen

The Overview screen lists the following information:

• A. Device Status: Displays status such as 'Good', 'Failure', or 'Maintenance Required'.
• B. Comm Status: Displays the communication method, e.g., 'Polled'.
• C. Analog Output: Shows the current analog output value (e.g., 4.000 mA).
• D. Fire Detection Status: Indicates if fire has been detected ('None' or 'Detected').
• E. Manual Built In Test: Option to perform a built-in test.
• F. Locate Device: Option to make the device's LED blink for location.
• G. Log: Shortcut to the Log screen.
• H. Device Information: Navigates to the Device Information screen (fields are read-only when accessed from Overview).

3.2 Device information screen

The Device Information screen allows access to Identification, Revisions, and Security settings.

Figure 3-3: Device information screen

The screen presents three main options:

• A. Identification: Opens the Identification screen.
• B. Revisions: Opens the Revisions screen.
• C. Security: Opens the Security screen.

3.2.1 Identification screen

This screen displays detailed identification information about the device.

Figure 3-22: Identification screen

The Identification screen displays the following fields:

• A. Tag: Detector tag (editable).
• B. Long tag: Detector long tag (editable).
• C. Model: Detector model (e.g., 975).
• D. Final asmbly num: Final assembly number (editable).
• E. Dev id: Device identification number (e.g., 2154599).
• F. Date: Current date (e.g., 04/20/2021).
• G. Descriptor: Device descriptor.
• H. Message: Device message.
• I. Model Number: Specific model number (e.g., 975D-UF-6).

Note: When accessed from the Overview screen, these fields are read-only.

3.2.2 Revision numbers screen

This screen displays the various revision numbers for the device.

Figure 3-23: Revision numbers screen

The Revision Numbers screen shows:

• A. Universal rev: HART® revision number (e.g., 7).
• B. Fld dev rev: Field device revision number (e.g., 1).
• C. Hardware rev: Hardware revision number (e.g., 1).
• D. Software rev: Software revision number (e.g., 1).
• E. DD Revision: Device driver revision number (e.g., 1).

3.2.3 Security screen

This screen manages device security settings.

Figure 3-20: Security settings screen

The Security screen displays:

• A. Device is locked: Shows the device lock status (e.g., 'Off').
• B. Lock/Unlock: Option to lock or unlock the detector for maintenance. The detector cannot be configured by other devices when locked.
• C. Password Protection: Displays the status of password protection (e.g., 'Disabled').
• D. Enable/Disable Password: Option to enable password protection for unauthorized access.

3.3 Service tools screen

The Service Tools screen provides access to various service-related device parameters.

Figure 3-4: Service tools screen

The Service Tools screen offers the following options:

• A. Alerts: Accesses the Alerts screen.
• B. Variables: Accesses the Variables screen.
• C. Trends: Accesses the Trends screen.
• D. Maintenance: Accesses the Maintenance screen.

3.3.1 Alerts screen

The Alerts screen provides information about device alerts and allows resetting active alerts.

Figure 3-5: Alerts screen

The Alerts screen shows:

• A. Refresh Alerts: Tap to refresh the alert status.
• B. No Active Alerts: Displays the current alert status (e.g., 'No Active Alerts').

3.3.2 Variables screen

The Variables screen allows viewing and selecting different device variables.

Figure 3-6: Variables screen

The Variables screen includes:

• A. Variable Summary: Displays a summary of all variables, including Analog output, Electronic temperature, and Supply voltage.
• B. Primary Variable: Allows selection of analog output variables.
• C. Secondary Variable: Allows selection of temperature-related variables.
• D. Tertiary Variable: Allows selection of voltage-related variables.
• E. Quaternary Variable: Allows selection of heater-related variables.

Primary variable screen

The Primary Variable screen displays the analog output.

Figure 3-7: Primary variable screen

This screen shows:

• A. Analog Output: Displays the analog output value (e.g., 4.000 mA).
• B. Analog Output gauge: Tap to display the Analog Output Gauge screen.

Secondary variable screen

The Secondary Variable screen displays electronics information.

Figure 3-8: Secondary variable screen

This screen shows:

• A. Electronics Temperature: Displays the electronics temperature (e.g., 42 degC).
• B. Temperature Status: Indicates the quality of the temperature reading.
• C. Electronics Temperature gauge: Tap to display the Electronics Temperature gauge screen.

Tertiary variable screen

The Tertiary Variable screen displays voltage information.

The screen shows:

• A. Supply Voltage: Displays current supply voltage (e.g., 24.2 V).
• B. Voltage Status: Indicates the quality of the voltage reading (e.g., 'Good').
• C. Supply Voltage gauge: Tap to display the Supply Voltage Gauge screen.

Quaternary variable screen

The Quaternary Variable screen displays heater information.

The screen shows:

• A. Heater State: Displays heater state - 'On' or 'Off'.

3.3.3 Trends screen

From the Trends screen, you can view the variables listed on a graph.

Figure 3-9: Trends screen

The Trends screen displays graphs for:

• A. Analog Output: Displays the analog output on a graph.
• B. Electronics Temperature: Displays the electronics temperature on a graph.
• C. Supply Voltage: Displays the supply voltage on a graph.

3.3.4 Maintenance screen

The Maintenance screen provides access to routine maintenance functions and logs.

Figure 3-10: Maintenance screen

The Maintenance screen offers:

• A. Routine Maintenance: Opens a screen with routine maintenance functions.
• B. Log: Opens a screen with event logs.
• C. Reset/Restore: Opens a screen to reset the detector.

Routine maintenance screen

This screen allows performing maintenance tasks.

The Routine Maintenance screen includes:

• A. Manual Built In Test: Performs a manual built-in test.
• B. Analog Trim: Calibrates the 4-20 mA output. (1)

(1) With the analog trim function, you can round multimeter values to a 4-mA fixed value. Tap Analog Trim and then enter and confirm the multimeter reading.

Log screen

The Log screen provides information about logs and navigation options.

Figure 3-11: Log screen

The Log screen displays:

• A. Operating Time: Amount of time the device has been powered up (e.g., 182563 s).
• B. Previous Log Records: Displays previous log records.
• C. Last Log Records: Displays the latest log record.
• D. Next Log Records: Displays the next log record.
• E. Device Log: Displays the log in a table.

Reset/Restore screen

This screen allows resetting the device.

The Reset/Restore screen contains:

• A. Reset Device: Performs a soft reset.

3.3.5 Configure screen

From the Configure screen, you can manually configure detector parameters or use the wizard.

Figure 3-12: Configure screen

The Configure screen offers:

• A. Guided Setup: Opens a screen to configure parameters using a wizard.
• B. Manual Setup: Opens a screen to manually configure parameters.

Guided setup screen

Use the Guided Setup screen to configure device parameters using a wizard.

Figure 3-13: Guided setup screen

The Guided Setup screen includes options for:

• A. Configure Detector: Guides through detector configuration.
• B. Configure BIT: Guides through built-in test (BIT) configuration.
• C. Accessory Relay: Guides through accessory relay configuration.
• D. Detection Option: Guides through detector options configuration.
• E. FOV Integrity: Guides through FOV integrity configuration.
• F. Access Control: Guides through access control configuration.
• G. 4-20 Current: Guides through the 4-20 mA current configuration.
• H. Device Information: Guides through detector information configuration.

Manual setup screen

Use the Manual Setup screen to manually configure each of the detector's parameters.

Figure 3-14: Manual setup screen

The Manual Setup screen includes:

• A. Detector Settings: Opens the Settings screen.
• B. BIT: Opens the BIT Settings screen.
• C. Activate Relay on: Activates or deactivates the relay.
• D. Detection Options: Opens the Detection Options screen.
• E. FOV Integrity: Enables or disables FOV integrity.
• F. Security: Opens the Security screen.
• G. Current Levels: Displays levels.
• H. Device Information: Displays the Device Information screen.
• I. HART: Opens HART Settings screen.

Detector settings screen

This screen allows configuration of detector settings.

Figure 3-15: Detector settings screen

The Detector Settings screen includes:

• A. Sensitivity: Selects the sensitivity. Refer to the Rosemount 975 Quick Start Guide for options.
• B. Alarm: Opens the Alarm screen.
• C. Window Heater: Opens the Window Heater Settings screen.

Alarm screen

This screen configures alarm parameters.

Figure 3-16: Alarm screen

The Alarm screen allows configuration of:

• A. Alarm Delay: Select alarm delay. Options include 0 sec, Antiflare, 3 sec, 5 sec, 10 sec, 15 sec, 20 sec, 30 sec.
• B. Alarm Latch: Activate or deactivate alarm latch.

Window heater screen

This screen configures the window heater.

Figure 3-17: Window heater screen

The Window Heater screen allows configuration of:

• A. Heater Mode: Select window heater mode: 'Off' (always off), 'Auto' (on when environment reaches activation temperature), or 'On' (always on).
• B. Heater Power: Select power mode: low or high.
• C. Heater Activation Temperature: Set heater activation temperature in degrees Celsius. Options: 0, 5, 10, 15, 20, 25, 30.

BIT screen

Use this screen to define built-in test (BIT) settings.

Figure 3-18: BIT screen

The BIT screen allows configuration of:

• A. Alarm Relay on BIT: Activate or deactivate alarm relay on BIT.
• B. Accessory Relay on Manual BIT: Activate or deactivate accessory relay on BIT.
• C. Automatic BIT: Activate or deactivate automatic BIT.
• D. BIT Interval: Manually select BIT interval.
• E. BIT Fault Count: Manually select BIT fault count.
• F. Post Manual BIT Duration: Set post manual BIT duration in seconds.

Detection options screen

Use this screen to define the detection options.

Figure 3-19: Detection options screen

The Detection Options screen allows configuration of:

• A. Explosion Detection: Enable or disable explosion detection.
• B. Fast Detection: Enable or disable fast detection.
• C. IR/UV/UV+IR: Select single infrared (IR), single ultraviolet (UV), or both UV and IR channels. (2)

(2) This is available for UV/IR models only.

Security settings screen

This screen configures security settings.

Figure 3-20: Security settings screen

The Security settings screen displays:

• A. Device is locked: Displays device lock status (e.g., 'Off').
• B. Lock/Unlock: Option to lock or unlock the detector for maintenance. The detector cannot be configured by other devices when locked.
• C. Password Protection: Displays password protection status (e.g., 'Disabled').
• D. Enable/Disable Password: Option to enable password protection to prevent unauthorized access.

Current levels screen

This screen displays current levels for various states.

Figure 3-21: Current levels screen

The Current Levels screen shows:

• A. Fault: Current displayed during fault (1 mA, not changeable).
• B. BIT Fault: Current displayed during built-in test (BIT) fault (not changeable).
• C. FOV Warning: Current displayed during FOV warning (3-5 mA, should be < the normal value; default 4 mA).
• D. Normal: Current displayed during normal function (4 or 5 mA, should be ≥ the FOV value). Default: 4 mA.
• E. Warning: Current displayed during warning (13-16 mA, should be lower than alarm value). Default: 16 mA.
• F. Alarm: Current displayed during alarm (15-20 mA, should be higher than warning). Default: 20 mA.

Device information screen

See Device information screen for information on the Device Information screen.

Figure 3-22: Identification screen

This screen displays detailed device identification information:

• A. Tag: Detector tag (editable).
• B. Long tag: Detector long tag (editable).
• C. Model: Detector model.
• D. Final asmbly num: Final assembly number (editable).
• E. Dev id: Device identification number.
• F. Date: Current date.
• G. Descriptor: Device descriptor.
• H. Message: Device message.
• I. Model Number: Specific model number.

Figure 3-23: Revision numbers screen

This screen displays revision numbers:

• A. Universal rev: Displays HART® revision number.
• B. Fld dev rev: Displays device revision number.
• C. Hardware rev: Displays hardware revision number.
• D. Software rev: Displays software revision number.
• E. DD Revision: Displays device driver revision number.

Figure 3-24: HART® screen

This screen manages HART® settings:

• A. Poll addr: Displays polling address.
• B. Change Poll Address: Tap to change polling address.
• C. Reset "Configuration Changed" flag: Tap to reset configuration change count.