SignalFire Pressure Scout Manual

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The SignalFire Pressure Scout is an Intrinsically Safe wireless pressure sensor with the following features:

Powers integrated pressure sensor and radio for years with an internal battery

Rapid pressure sampling with configurable alarms and report by exception

Available in standard pressure ranges

Pushbutton or remote zeroing

Sends data to a SignalFire Modbus Gateway

Compact and simple to install and maintain

AES 128bit Encryption

Rev 1.10

Manual

Pressure Scout

SignalFire Model: Scout-PSIx-1BIS

SignalFire Telemetry

Page 1

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Summary of Contents for SignalFire Pressure Scout

Page 1 Pressure Scout SignalFire Model: Scout-PSIx-1BIS The SignalFire Pressure Scout is an Intrinsically Safe wireless pressure sensor with the following features: Powers integrated pressure sensor and radio for years with an internal battery Rapid pressure sampling with configurable alarms and report by exception...
Page 2: Specifications
½” NPT 316L wetted parts: Up to 6500 psi (448 Bar) ½” NPT Hastelloy C276 wetted parts: Up to 10,150 psi (700 Bar) Battery 19Ah - SignalFire 1BIS Lithium Thionyl Chloride Battery Pack – Cl1 Div1 Certified 1–10+ years depending on reporting frequency. Battery Life Battery Life Examples: 5-second pressure sample interval with a 1-minute reporting interval = 5 years.
Page 3: Table Of Contents
Table of Contents Specifications ................................... 2 Control Drawing ................................4 Connections and Components ............................5 Setup ....................................6 Using the SignalFire Toolkit ............................6 Network Setting ................................8 Modbus ID ................................... 9 Pressure Sensor Calibration Settings ...........................11 Offline Mode ..................................12 Remote Modbus Register Mapping ..........................13...
Page 4: Control Drawing
Refer to control drawing 960-0081-01 for requirements when used in a Class I Division 1 area. Reportez-vous à l'illustration de contrôle 960-0081-01 pour connaître les exigences lorsqu'elle est utilisée dans une zone de classe I division 1. SignalFire Telemetry Page 4 Rev 1.10...
Page 5: Connections And Components
Allows the pressure sensor to be zeroed. Hold the ‘Zero’ button down for 3 seconds to zero the pressure sensor. The status LED will come on and then blink twice to indicate that the sensor has been zeroed. SignalFire Telemetry Page 5 Rev 1.10...
Page 6: Setup
Select the COM port associated with the Pressure Scout and click “Auto-Detect Device on COM Port.” This will open the device configuration window, where all device settings can be configured.
Page 7 Serial Port Settings Scout Information Radio Settings Node Device Settings Custom Scale Settings Alarm Threshold Settings Battery Life Estimate Modbus Register Values Connection Status SignalFire Telemetry Page 7 Rev 1.10...
Page 8: Network Setting
Note that keys may not contain spaces or angle brackets. If you are setting up a new network, you will need to set the encryption key on all your devices. If you are adding a Pressure Scout to a legacy network, you can simply set the Corporate ID without clicking the Enable Encryption box, and it will remain compatible with the older system.
Page 9: Modbus Id
Modbus ID The Modbus ID can be set with the SignalFire Toolkit. Each remote device connected to the gateway must have a unique Modbus ID (1-240). Every SignalFire device must have a unique ID to prevent conflicts. Alarm Threshold Settings Optional alarm threshold settings are available which allow for rapid pressure sample interval (5 or 15 seconds) and will cause the Pressure Scout to check-in immediately if the threshold is crossed.
Page 10 Pressure Sensor Zero pull-down menu, or the “Zero” button on the Scout’s front panel. Leave the Pressure Scout open to atmospheric pressure (0PSI gauge). To zero without the ToolKit, simply hold the “Zero” button down for 3 seconds until the “ACT” light turns solid, and the Pressure Scout will apply a baseline offset.
Page 11: Pressure Sensor Calibration Settings
Ideally, the first pressure should be open atmospheric pressure (0 PSI), and the second should be at full scale, or at a minimum at least half of the sensor span. For example, if the Pressure Scout is a 0 – 1,000PSI unit, the low calibration input should be 0 PSI, while the high calibration input should be greater than 500PSI (ideally 1,000PSI).
Page 12: Offline Mode
Pressure Scout is unable to communicate with a Gateway. If the configured check-in interval is less than 15-minutes, and the Pressure Scout cannot contact a Gateway for 2 consecutive hours it will enter “offline mode”. In offline mode the Scout will back off and only attempt to scan for the gateway every 15-minutes.
Page 13: Remote Modbus Register Mapping
Remote Modbus Register Mapping The Scout Node sends data to a SignalFire Telemetry Modbus Gateway. The data that is sent to the gateway is available at the gateway in registers where it can then be read by a Modbus RTU.
Page 14: Mounting And Care
The Pressure Scout should be mounted vertically. How you install the Pressure Scout may also depend on the process fluid. Refer to the diagram below for installation on gas, steam, or liquid.
Page 15: Internal Lithium Battery Replacement
Debug and configuration information is available if a connection is made via the debug port on the main board. A USB converter cable (USB-Serial-4PIN, available from SignalFire) must be used for this interface. Debug and advanced configuration may be done using the SignalFire Toolkit PC application.
Page 16: Disposal
In the USA or more information, visit: EPA’s battery disposal guide EPA’s electronics recycling page By following these guidelines, you help reduce waste and support environmental sustainability. Technical Support and Contact Information SignalFire Telemetry 140 Locke Dr., Suite B Marlborough, MA 01752 (978) 212-2868 support@signal-fire.com...
Page 17 Added Low Battery Alarm register 65523. 8/6/18 Updated screenshots, calibration settings 1/10/20 Added detail about offline mode 5/19/20 Added graphics for mounting instructions 9/1/21 Updated two-point calibration 1.10 12/6/2024 Fixed formatting in ‘Network Setting’ section. Updated Compliance, Add disposal SignalFire Telemetry Page 17 Rev 1.10...
Page 18 APPENDIX - FCC and IC Statements Changes or modifications not expressly approved by SignalFire Telemetry, Inc could void the user’s authority to operate the equipment. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

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