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The RANGER is a self-contained, device that provides sensor readings over an LTE-M1 cellular network.
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Powers attached analog (4-20mA / 1-5V) sensor and cellular modem with internal battery
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Dual digital inputs report state, total counts, and input frequency. K-Factor configurable for Flow
Totalizing
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SPDT Latching relay for local on/off control
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Configurable from the SignalFire Cloud website
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SignalFire Cloud allows for data visualization, trending and alarming
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Supports MQTT Sparkplug B communication protocol for connection to other servers
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Compact and simple to install and maintain
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Local configuration and diagnostics available using the micro-USB port and the SignalFire RANGER
ToolKit PC software
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Expansion modules for additional I/O (2AI/1DI, Modbus, HART, SDI-12)
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Internal backlog of a minimum of 200 datapoints (200,000 for RANGERs shipped 1/27/2022 or
later) in the event of loss of signal. Backlog will be automatically sent when the RANGER
reconnects.
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Class 1 Division 2 certified
Rev 1.13
RANGER Manual
signal-fire.cloud
1
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Summary of Contents for SIGNAL FIRE RANGER LTE-M1
- Page 1 RANGER Manual The RANGER is a self-contained, device that provides sensor readings over an LTE-M1 cellular network. Powers attached analog (4-20mA / 1-5V) sensor and cellular modem with internal battery Dual digital inputs report state, total counts, and input frequency. K-Factor configurable for Flow Totalizing SPDT Latching relay for local on/off control Configurable from the SignalFire Cloud website...
- Page 2 Specifications Enclosure Size 7.1” tall × 4.6” diameter Power Source Internal Lithium battery pack (SignalFire Part Number: 4DPak) Optional solar or external DC power options also available Temperature Rating -40°C to +85°C Enclosure IP67 rated. Polycarbonate, ½” NPT Fitting SIM Slot 4FF Nano SIM card (LTE Cat M SIM and data plan required) Local config port Standard micro-USB connector...
- Page 3 Model Numbers Table of Contents Specifications ................................... 2 Table of Contents ..................................3 Hazardous Location Certification ............................. 5 Connections and Components ..............................6 Sensor Connections ................................. 7 Analog Input ..................................7 Digital Inputs ..................................8 Relay Output ..................................9 2AI/1DI ....................................10 Modbus RS-485 ..................................
- Page 4 Revision History ..................................20 Rev 1.13...
- Page 5 Hazardous Location Certification The RANGER is rated Class 1 Division 2 non-incendive when powered by its internal battery pack. or its internal DC-DC converter. The HCSolar unit is not C1D2 certified so it is for general purpose areas only. WARNING: EXPLOSION HAZARD. DO NOT REMOVE OR REPLACE COMPONENTS UNLESS POWER HAS BEEN DISCONNECTED OR THE AREA IS FREE OF IGNITIBLE CONCENTRATIONS.
- Page 6 Connections and Components STATUS LED The STATUS LED (green) will flash 3 times on a successful data transmission to the server ERROR LED The ERROR LED (red) will blink 3 times to indicate that an attempted data transmission failed Check-in Button If this button is pressed the RANGER will blink the Green or Red status LED 3 times to indicate the status of the last transmission to the server.
- Page 7 Sensor Connections Screw Terminal Connections Analog Input The analog input provides 13V/18V (selectable in software, see page 11) to the attached sensor. The analog input can operate in either current (4-20mA), or voltage (1-5V). The input mode must be set by the slide switch. Slide the switch up to Volts for a voltage input, or down to mA for a current input.
- Page 8 4-20mA Transmitter Sensor setup in Active Loop 1-5V Wiring Diagram Vout 1-5V Sensor Digital Inputs The digital inputs (2 total) can be dry contact or voltage (must be push-pull, 30 Volts max). Be sure to connect the ground bus from the module to either the ground of the voltage pulse device or the dry contact. Rev 1.13...
- Page 9 Relay Output The RANGER has a single latching SPDT relay which may be controlled remotely from the server or by using the RANGER’s internal relay control logic. The Relay will connect the COM terminal to NC when de-energized and the COM will be connected to the NO terminal when energized. Relay Energized (COM connected to NC) Relay De-Energized (COM connected to NO) Rev 1.13...
- Page 10 Expansion Cards The RANGER has the option of being ordered with daughter cards to expand the I/O capabilities. Currently, four expansion cards are offered: the 2AI/1DI, Modbus, HART and SDI-12cards. If the expansion cards are installed separately after first purchasing the RANGER without them, the expansion cards must be enabled using the RANGER ToolKit.
- Page 11 Modbus RS-485 The Modbus card provides the RANGER with the ability to read a Modbus sensor over two-wire RS-485. Follow the diagram below for wiring the Modbus expansion card to a sensor. Sensors can be powered off the RANGER’s onboard analog sensor power output. Like the analog sensor, its voltage is set in the RANGER configuration tile (see page 11).
- Page 12 HART The HART card provides the RANGER with the ability to power a HART transmitter and read its variables. The HART sensor should be wired to the RANGER’s HART terminals as shown below. Note that the HART card also has 1 digital input available. The system can supply up to 18V to the sensors and then read the HART data from each sensor.
- Page 13 SDI-12 The SDI-12 card provides the RANGER with the ability to read from SDI-12 sensors. The SDI-12 bus contains three lines, Power (12V), Data, and GND. Across multiple sensors, these three lines must be connected in parallel, such that all the Power lines are connected, the Data lines are connected, and GND lines are connected.
- Page 14 The RTD card supports a direct connection to a 3-wire or 2-wire PT100 RTD temperature probe. The RTD should be wired as pictured below. RTD 3-wire Jumpers on the Left RTD 2-wire Jumpers on the Right The F+ and RTD+ terminals should be wired to the two wires with the same color from the RTD (typically red), while the RTD- should be connected to the third RTD wire (typically white).
- Page 15 Power Options Lithium Battery Pack (4DPak) The internal lithium battery pack is the default power source for the ranger, simply plug the battery pack into the RANGER PCB battery connector to power the RANGER on. DC-DC converter In situations where DC power is available, the RANGER can be ordered with an internal DC-DC converter that accepts 9-36VDC from an external source.
- Page 16 4. Remove/replace battery 5. Re-install circuit board assembly. Do not overtighten the screws 6. Connect the battery to the main PCB battery connector. Install the enclosure cover. Rev 1.13...
- Page 17 Mounting and Care The RANGER unit comes with an integrated ½” NPT fitting with leads for connection to the sensors. It is important to mount the RANGER, so it is vertically oriented with the NPT fitting facing down. Junction Box The RANGER can also be purchased with a junction box to make wiring more convenient.
- Page 18 Product Disposal Information To ensure environmental safety and compliance, please follow these disposal instructions for the product and its components: Lithium Primary Battery: This product contains lithium primary batteries, which must be removed before disposal. Lithium batteries must be recycled through specialized facilities due to their fire risk. Do not place batteries in regular trash. Electronic Components: This product contains electronics that must be recycled through approved e-waste recycling programs.
- Page 19 Cloud Setup and Information Full documentation on using the SignalFire Cloud features and how to remotely configure your RANGER is available in an online knowledge base. The manual provides instructions on user management, configuring alarms, generating reports, and more. Whether you are a new or experienced user, this manual serves as a valuable resource to maximize the platform's capabilities.
- Page 20 Technical Support and Contact Information SignalFire Telemetry 140 Locke Dr., Suite B Marlborough, MA 01749 (978) 212-2868 support@signal-fire.com Revision History Revision Date Changes/Updates 11/12/19 Initial release 1/27/20 Added section on GPS 1/31/20 Added detail about linking RANGER using its serial number 4/24/20 Updated to reflect changes to the SignalFire Cloud 5/29/20...
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