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TREX460
User Manual
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WTE TREX460 User Manual

TReX User Manual v2.14 Firmware
WTE TReX
TELEMETRY, DATA AND PAGING I/O
TRANSCEIVER
User Manual
© WTE Limited, 2018 – Christchurch New Zealand Page 1 of 158
TReX User Manual v2.14 Firmware
Table of Contents
TReX Features........................................5
TReX Versions........................................6
MENU/BACK:.....................................13
UP:........................................................13
DOWN:.................................................13
RIGHT:.................................................13
ENTER:................................................13
IO Screens.............................................15
TX Screens............................................17
RX Screens...........................................19
Spectrum Analyser................................21
Demodulated Signal Viewer.................22
Front Panel Menu Configuration..........25
Web Browser Configuration.................27
Serial Command Configuration............29
SYSTEM Menu....................................33
TEST Sub Menu...................................36
FACTORY Sub Menu...........................37
TIME Sub Menu...................................38
SPECTRUM Menu...............................39
RX Menu...............................................41
FILTERS..........................................43
Protocol Menu.......................................46
TCP-IP Menu........................................47
Telemetry Menu....................................49
SERIAL LINK Menu............................51
STORE FWD Menu..............................52
Inputs Menu..........................................53
ADC CAL Sub-Menu...........................54
Input Config Sub-Menu...................56
Outputs Menu.......................................59
Output Config Sub-Menu.................61
DAC CAL Sub-Menu.......................62
Main Commands...................................64
*REBOOT........................................64
*CONFIG.........................................64
*SAVE..............................................64
*LIST...............................................64
*DEFAULTS....................................64
*RSSI...............................................65
*USERPASS....................................65
*IO....................................................65
*TEMP.............................................66
*PWR...............................................66
*VER................................................66
*BYPASS.........................................66
*LAB................................................67
Transmit Commands.............................68
*TX_FREQ......................................68
*TX_PROTO...................................68
*TX_BAUD.....................................68
*TX_MODE.....................................68
*TX_LEVEL....................................69
*TX_CAP.........................................69
*TX_PERIODIC..............................69
*TX_PREAMBLE...........................69
*TX_LEAD......................................70
Receive Commands..............................71
*RX_ENABLE................................71
*RX_FREQ......................................71
*RX_BAUD.....................................71
*RX_PROTO...................................71
*RX_MODE....................................71
*RX_RANGE..................................72
*RX_BUSY......................................72
Store Forward Commands....................73
*STORE_FWD................................73
Input Commands...................................74
*IN_CONFIG_L..............................74
*IN_CONFIG_H..............................74
*IN_MSG_L....................................75
*IN_MSG_H....................................75
*IN_ANALOG.................................75
Output Commands................................77
*OUT_CONFIG...............................77
*UNIT_ID........................................77
System Commands...............................78
*TREX_LANG................................78
*TREX_BACKLIGHT....................78
*TREX_SOUND..............................78
*TREX_RS232_BAUD...................78
*TREX_RS422_BAUD...................79
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*TREX_ALERT_OUT....................79
*TREX_ALERT...............................79
*TREX_FILTERS............................79
*TREX_TELEMETRY....................80
*TREX_SCREEN............................80
*TREX_PIN.....................................80
*TREX_AN_CAL............................81
*TREX_MISMATCH......................81
TCP-IP Commands...............................83
*IP_ENABLE..................................83
*IP_HOST........................................83
*IP_ADD.........................................83
*IP_PORT........................................83
*IP_MASK.......................................84
*IP_GATE........................................84
*IP_DNS..........................................84
*IP_MAC.........................................84
WT Protocol..........................................85
Variable Content Macros..................88
Modbus.................................................89
Modbus RTU....................................89
Modbus TCP....................................89
Function Codes.................................89
Modbus Mapping Table...................90
Custom Protocol...................................92
Custom Protocol Response..............95
Custom Protocol Output...................95
RAW Protocol.......................................97
Terminology..........................................99
SCADA System Single TReX
Configuration......................................101
Unit Configuration.........................102
SCADA System Multiple TReX
Configuration......................................103
Units Configuration........................104
Viewing Multiple TReX Unit IO on the
MASTER Unit....................................106
SCADA Communication Between
MASTER and SLAVE........................107
Input Handling.......................................110
Output Handling....................................112
WTE Output Control Protocol.............113
Introduction.........................................113
Digital Output Format.........................113
Examples:.......................................113
Analog & Digital Output Format........114
WTE Ack and Confirm Protocol..........116
Introduction.........................................116
Cables Supplied..................................121
Connecting to the TReX.....................122
Connector Pin descriptions.................123
RHS (Right Panel)..........................123
LHS (Left Panel)............................125
Inputs..................................................127
Outputs................................................128
RS-232................................................129
RS-422/RS-485...................................130
Point To Point Connection.............131
Multi-Point Connection..................131
2 Wire Connection..........................132
Bus Terminating Resistor...............132
Firmware Upgrade Utility...................137
Upgrade Process.................................138
DIN Rail..............................................140
Mounting Channels.............................141
TOP Mount.........................................141
SIDE Mount........................................142
Bottom Mount.....................................143
Mount Bolts Dimensions....................144
Top and Bottom Drilling Template.....145
Side Drilling Template........................146
Omni antenna......................................147
Directional antenna.............................147
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Introduction

Thank you for choosing the TReX. The TReX is an Ethernet, Serial (RS232 plus RS485/RS422) and USB capable transceiver for
data, paging (one and two-way) and general telemetry use. The TReX can be configured through; a simple integrated display and keypad, serial commands, TCP, USB or via a web browser. The TReX is suitable for commercial, industrial and remotely managed control/monitoring applications.
Use the TReX when high reliability, long range and high speed control or messaging is required .
The TReX can be used to:
• Transmit and receive paging messages.
• Connect to third party SCADA control and monitoring systems using Modbus
protocols.
• Log messages to internal memory to meet auditing requirements.
• Mirror analog and digital inputs to a remote unit.
• Inspect potential site interference using the integrated spectrum analyser.
• Report system and installation errors, such as loss of communications, and battery
states.
• Detect antenna faults during normal operation.
• Transmit and receive serial and telemetry data at high data rates.
• Act as a repeater for forwarding telemetry and paging messages in poor coverage areas.

TReX Features

• Up to 4W power output.
• DIN rail mountable aluminium enclosure that also allows simple mounting from top,
bottom or sides.
• Data transmit rates from 512 baud to 32K baud. Supported channel spacing of 25kHz,
12.5kHz and 6.25kHz.
• Support for two-way paging. Provides receipt of delivery and optionally receipt for
accepted jobs.
• Supports 512, 1200, 2400, 4800 and 9600 baud POCSAG paging messages.
• Receives 1600 baud 2 level FLEX™ paging messages.
• Modbus RTU and TCP support for easy SCADA system integration.
• Paging store and forward repeater operation with configurable duplicate reject.
• 8 digital inputs and outputs.
• Two 0-10V/4-20mA analog outputs
• Two 0-10V analog inputs.
• Integrated spectrum analyser (optional).
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• Simple to configure back to back mirroring and monitoring of analog and digital IO.
• Extended SCADA system expansion supporting up to 11 wirelessly connected units per
system (optional).
• Optional logging to SD card of all received and transmitted messages.
• Graphics display shows all radio activity including I/O state.
• Multi language support (English and Spanish) and additional languages available on
request.
• Fully configurable via front panel without the need for an external PC connection.
• Configurable via serial port, direct USB connection or Ethernet.
• RS232, RS422 and RS485 (both 4 and 2 wire) support.
• USB connection allows downloading of message logs or direct access to configuration
files.
• Configured inputs can be programmed to output messages when triggered.
• Configured digital and analog outputs can be controlled via received messages.
• Any output can be assigned to indicate: ◦ Channel busy. The channel busy output level is configurable. ◦ Alert on filtered match of message payload. ◦ Comms link fail. ◦ Antenna fault. ◦ Low output power. ◦ High temperature.
• Periodic message support to ensure radio link integrity.
• Low battery messaging.
• Inclusion of the WTE “CUSTOM” protocol, that allows support of many existing
paging protocols without the need for new firmware.
• Support for additional protocols upon request and negotiation.
• Firmware upgradable.
• High stability oscillator ensuring a maximum of 80Hz drift (at 160MHz) over the entire
specified temperature range.
• Antenna mismatch detection capability.
• High sensitivity receiver.
• Internal real time clock.
• Long-life design uses no moving or electromechanical parts. No limited life
components such as electrolytic capacitors.

TReX Versions

TReX-460, TReX-461:
Telemetry, I/O and Messaging Transceiver
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TReX-460-P, TReX-461-P:
Ethernet Paging I/O Transceiver.
TReX-460-R, TReX-461-R:
Ethernet Paging I/O Receiver (no transmit capability)
The TReX can be supplied to operate within these bands:
• TReX-16x (142MHz to 175MHz)
• TReX-46x (421MHz to 480MHz). Variants TReX-460 (USA), TReX-461 (Europe, AU
and NZ).
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Safety Information

Read these instructions carefully, and look at the equipment to become familiar with the device before trying to install, operate, or maintain it.
The following special messages may appear throughout this documentation or on the equipment to warn of potential hazards or to call attention to information that clarifies or simplifies a procedure.
!
This is the safety alert symbol. It is used to alert you to a potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death.
!WARNING
WARNING indicates a hazardous situation which, if not avoided, could result in death or serious injury.
!CAUTION
CAUTION indicates a hazardous situation which, if not avoided, could result in minor or moderate
injury
NOTICE
NOTICE is used to address practices not related to physical injury.
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!WARNING
LOSS OF CONTROL
• The designer of any control scheme must consider the potential failure modes of control paths
and, for certain critical control functions, provide a means to achieve a safe state during and after a path failure. Examples of critical control functions are emergency stop and over travel stop.
• Separate or redundant control paths must be provided for critical control functions.
• System control paths may include communication links. Consideration must be given to the
implications of anticipated transmission delays or failures of the link.
Failure to follow these instructions can result in death or serious injury
!WARNING
THIS EQUIPMENT IS NOT INTENDED FOR MAINS VOLTAGES
• TReX was NOT designed to operate and/or be connected directly to live main voltages. The
TReX must be connected to a certified, suitably rated low voltage DC supply.
Failure to follow these instructions can result in death or serious injury
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NOTICE
HAZARD OF EQUIPMENT DAMAGE
• This product is not chemical resistant, detergent, alcohol, aerosol sprays, and/or petroleum products
may damage the front panel. Clean using a soft cloth moistened in water.
• The radio can be damaged if there is any potential difference between the chassis-ground,
Serial signal ground, power (-) input, or antenna coaxial shield. Before connecting any wiring, ensure that all components are earthed to a common ground point.
• The antenna port will be damaged if signals greater than 13 dBm are injected/received.
• Do not connect any other transmitter to the RF connector or share the antenna with any
other device.
• Extreme Heat or High temperatures can damage TReX components. DO NOT expose or
operate the unit in extreme heat (above 70 degrees Celsius) or leave in direct sunlight or any other UV source.
• Although this product is designed to be rugged, it will not survive excessive shock or
vibration abuse. The TReX is intended to be mounted permanently either in a land based location or in a vehicle. When fitting in a vehicle, vibration damping mounts may be required.
• The TReX IP rating is IP-51. TReX is not waterproof or dustproof. DO NOT directly
expose to rain or use in a condensation forming environment.
• When antennas are co-located on a community (shared) site the correct site engineering
must be performed to ensure that RF exposure limits are met.
NOTICE
CARE REQUIRED WHEN TRANSPORTING
Safety and care must be taken when transporting, handling, installing and/or replacing radio equipment.
• Packaging should be adequate to ensure connectors are not damaged
• Store and handle the radio equipment in dry, clean safe environment
• Handle the equipment with care
• Avoid intrusion of any object/material into the radio case
• Care when stacking TReX boxes must be taken to not damage part of the radio, such
as connectors.
NOTICE introduction of foreign object into the TReX radio enclosure will void warranty.
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FCC NOTICE
This device complies with Part 15.247 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.
This device must be operated as supplied by the equipment supplier. Any changes or modifications made to the device without the written consent of the equipment supplier may void the user’s authority to operate the device.
End user products that have this device embedded must be installed by experienced radio and antenna personnel, or supplied with non-standard antenna connectors, and antennas available from vendors specified by the equipment supplier. Please contact the equipment supplier for end user antenna and connector recommendations.
Exposure to RF energy is an important safety consideration. The FCC has adopted a safety standard for human exposure to radio frequency electromagnetic energy emitted by FCC regulated equipment as a result of its actions in General Docket 79-144 on March 13, 1996.
This equipment complies with the FCC RF radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 43cm between the radiator and any part of your body.
NOTICE
This symbol on the product or its packaging indicates that this product must not be disposed of with other waste. Instead, it is your responsibility to dispose of your waste equipment by handing it over to a designated collection point for the recycling of waste electrical and electronic
equipment.
The separate collection and recycling of your waste equipment at the time of disposal will help conserve natural resources and help ensure that it is recycled in a manner that protects human health and the environment. For more information about where you can drop off your waste equipment for recycling, contact the dealer from whom you originally purchased the product.
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Operation

Once a 13.8V source has been connected to the power connector the TReX start-up status is displayed on the LCD.
When the TReX is operating normally, the two green status LEDs flash briefly once every second.
When decoding messages, the “A” green LED is held on for approximately one second. The “C” red LED is held on for the duration of a transmission, while processing TCP data,
Modbus protocol commands and decoding received messages. Both the “C” and ‘D’ red LEDs light while starting.
On start-up under normal operation there is a message sent out the serial port. The message indicates the firmware revision, serial number other software related information.
After finishing the start-up procedure and loading of configuration settings the TReX enters its receive and decode mode of operation. The TReX now waits for commands to be entered serially for processing or inputs to be triggered. These may be either protocol messages to be processed or commands related to the configuration of the device. Serial messages may arrive on any serial port, or may also arrive through a TCP connection.
When messages are received and decoded, they are immediately sent out the serial port in the format of the configured protocol in use.
Messages are transmitted as per the input configuration when inputs change state. Please refer to Input Output Hardware Connection or Input Handling sections on this manual for further information.
The TReX outputs are driven high or low, or for a particular period of time depending on configuration. The outputs are controlled via the WTE Output Control Protocol message received and decoded. Each output can be configured to operate under various error states (Refer to Outputs).
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Buttons

MENU/BACK:

When on the MAIN SCREENS used to enter the MENU. When inside the MENU, used to return back one level from within the MENU, until returning back to the MAIN SCREENS.
UP:
When on the MAIN SCREENS used to cycle between sub-screens. When in the MENU used to navigate or alter selected configuration items.

DOWN:

When on file related screens of the MAIN SCREENS shifts between entries. When in the MENU used to navigate or alter selected configuration items.

RIGHT:

When on the MAIN SCREENS used to cycle between main screen. Within the MENU used to enter sub MENU items or select items for configuration.

ENTER:

Used to select file related items from within the MAIN SCREENS.
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Main Screens

The TReX top icon bar provides information about the display screen and operating status. .The far right text indicates the selected main screen. This is either “IO” (inputs and outputs), “TX” (transmit) or “RX” (receive).
The far left icon indicates system voltage as a proportion of the configured high and low battery levels (MENU->INPUTS->BATT HIGH/LOW V).
The “X” icon is visible when no messages have been received for 2 minutes and on start-up. The time in the middle is the current RTC time (MENU->SYSTEM->TIME).
The “S” letter indicates that the master or slave SCADA telemetry modes are in operation. The “M” letter, when present indicates that a Modbus telemetry request packet has been
processed within the last 2 seconds.
The “Incoming” down arrow indicates that the TReX is receiving (absent when RX is DISABLED). The “Outgoing” up arrow indicates that the TReX is transmitting (if a transmitter enabled TReX).
The Icon “T” below indicates the TReX has been configured for telemetry stand­alone “Back-to-Back Mirror Mode”.
The back to back arrows indicate the unit is operating in “Serial Link” Telemetry mode.
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IO Screens

Screens that relate to inputs and outputs.
IO (1):
All input and output states. Each IO highlighted state changes if the IO level is HIGH or LOW. There is a small line above each input or output if HIGH, and a line below if LOW. All ADCs (analog inputs) and DACs (analog outputs) show a bar graph as a proportion of full scale and display a raw count from 0-1023. When scaling has been applied to an analog output, the DAC value shown is the unscaled value.
In the middle, shown in larger text is “01”. The number“01” in this case is the telemetry UNIT ID. When TELEMETRY->MODE is configured to SCADA_MASTER a small down arrow may be visible if the TELEMETRY->REMOTES have been configured to be more than 0. Pressing the down arrow (when configured as a SCADA_MASTER) allows the UNIT ID to be cycled to view the IO of each remote slave in the system – allowing a possible system of up to 88 digital IO, 22 ADCs and 22 DACs to be viewed.
Next to the UNIT ID is the smaller number “123”. Each TReX resets this number to the LINK FAIL TIME each time a message is decoded. This “link count” reduces, and if reaches 0, the link fail output can be operated.
SCADA_MASTER TReX units allow the “link count” to be viewed for all remote TReX SCADA_SLAVE units.
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IO (2):
System voltage, current and internal operating temperature. RF is the temperature read directly next to the RF power stage and will be higher than than the DIG board temperature while the TReX is transmitting (not applicable for receiver only TReX units). Temperatures of the RF power stage may reach 100 degrees Celsius under normal long term operation. These temperatures are not the ambient temperature. The case of the TReX will NOT reach these temperatures.
As with the previous IO screen, systems voltages and temperatures of all SCADA_SLAVE TReX units (up to 10 SLAVE units) can be viewed by pressing the down button if the TReX is configured to be a SCADA_MASTER.
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TX Screens

Screens that relate to messages transmitted.
TX (1):
Last message transmitted. Includes the time the message was transmitted, message RIC (radio identifying code/CAP Code) and level (0-3). To the right the modulation type and rate is displayed also with the transmit frequency.
TX (2):
List of all time-stamped messages retrieved from internal storage. Most recent message displayed at top. Next sub-screen can only be selected when top entry is displayed. Note that messages are only available here when TX logging has been enabled (MENU->TX->MSG LOG).
When an entry is selected pressing the UP/DOWN buttons, pressing the ENTER button displays the entire message.
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TX (3):
Displays the last transmitted message in large font. If the message exceeds the screen size, the DOWN button allows scrolling.
TX (4):
A TX power bar graph is displayed as a proportion of full power during a message transmission. Above the power bar is the text “POWER – 2W (168)”. “2W” relates to the power setting in use. In brackets is the power amplifier DAC setting which is for factory use only.
The POWER ADC count is used to indicate forward power. RF TEMP relates to the RF amplifier temperature (not ambient) in degrees Celsius. VOLTS is the supply voltage and AMPS is the total supply current.
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RX Screens

Screens that relate to messages received. Note, when messages are received, additional icons may be displayed in the top bar.
The second left icon changes from the “X” icon to the satellite icon when a message has been received. This indicates that the receiver is operational.
When the “BELL” icon is displayed with a following number, this means that system ALERTS are enabled. See ALERTS for ALERT configuration and operation.
RX (1):
Basic summary of last received message. If the message is too large to fit on the screen the DOWN arrow will be visible in the title bar. Pressing the DOWN button will now scroll through the rest of the message.
RX (2):
List of all time-stamped received messages retrieved from internal storage. Most recent message displayed at top. Next sub-screen can only be selected when top entry is displayed. Note that messages are only available here when RX logging has been enabled (MENU->RX­>MSG LOG).
Messages starting with “*” are messages that met the ALERT filter requirements, and were eligible to operate the ALERT output when logged.
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RX (3):
Displays the last received message in large font. If the message exceeds the screen size, the DOWN button allows scrolling.
RX (4):
Displays the signal strength of the configured channel in real time. Displays signal strength from -128dBm to 0dBm.
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Site Configuration Tools

The TReX includes tools to ensure suitability for use at the current location and quality of the installation.

Spectrum Analyser

The optional spectrum analyser is a very simple to use tool that provides a span of either 3MHz, 120kHz or 24kHz around a configured test frequency. The receive bandwidth down to 500Hz is suitable for inspection of potentially interfering adjacent channel signals. The analyser can display signals as low as -125dBm making and is suitable for site inspection. This is an optional feature that requires a feature key to be purchased.
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Demodulated Signal Viewer

The demodulated signal viewer allows inspection of raw demodulated data and the recovered clock from that data. This is useful for viewing channel activity. This facility is available for 2 level modulation modes of operation. 4 level modulation modes will display as straight lines.
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Two-Way Paging

The TReX supports two-way paging. The TReX can return responses via serial or TCP connections. Transmitter capable TReX units can additionally respond at high power across the air.
Not only can acknowledgements be returned from the TReX, but confirmation of job acceptance receipts can be returned. This means that messages can be sent to single or multiple TReX units and clear details can be returned to notify if a message has been read or an action is being performed.
Example:
An emergency dispatch system may send a paging message to a group of ambulances for attendance at an emergency. The message will be displayed on a TReX unit within the ambulance with prompt to attend if possible. Accepting the job can be performed with a simple keypress that will send receipt to the dispatch system that the vehicle is on-route.
See WTE Ack and Confirm Protocol for usage details.
With a single keypress, key messages can be responded to. Details of the responder are returned and logged.
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Configuration Methods

There are several methods to configure the TReX unit, such as:
• Directly from the front panel
• Via a web browser
• Via Serial terminal over the RS232, RS422 and or RS485.
• Via a TCP terminal (either client or server).
• USB connection and editing of the WTE_CONF.INI configuration file.
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Front Panel Menu Configuration

All typical configuration items are accessible and configurable via the on-board menu system. This includes the ability to configure input messages. Through the use of the menu system the TReX is able to be set up and configured without any PC connection.
To enter the menu, press the MENU button. The top line icon bar shows when the DOWN button can be used when the DOWN arrow is visible. When scrolling down and the DOWN arrow disappears, then the end of the menu section has been reached. The UP arrow will be visible when navigation in the up direction is permissible. The RIGHT arrow indicates that the RIGHT button can be pressed to enter a MENU category when highlighted.
Pressing the MENU button again moves back one level, until the top is reached, and then the TReX leaves the MENU mode. If any change has been made, changes will only be written to internal storage when leaving the MENU mode.
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To edit any field, first move to the item, press RIGHT to select the field. Once highlighted, the UP/DOWN arrows change the field. On completion, pressing RIGHT again will deselect the field.
Some fields are text that can be edited. There is a built-in text editor. Fields that are edited by the text editor are presented with the title “EDIT TEXT”.
Each character can be selected by pressing the RIGHT button. The selected character is inverted. Pressing the UP/DOWN buttons allows the character to be changed to any printable character. The BACK arrow indicates the end of the text. This arrow is not part of the actual text but present as a marker. To make the text longer, highlight the BACK arrow and change the character using the UP/DOWN buttons. To make the text shorter or to delete a character, highlight the BACK arrow and press the ENTER button. Press the BACK button to exit the editor.
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Web Browser Configuration

For web browser configuration to be possible (using browsers that support SVG such as “Chrome”, “Firefox” etc.), the Ethernet/IP must be ENABLED via the menu (ENABLED by default). This is located in SYSTEM->IP. In this menu section network parameters can be configured such as the IP, Mask and gateway.
Only a single connection to the TReX should be allowed. Multiple connections will result in impaired responsiveness.
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After the unit has been enabled to be use over the web, a web browser address matching the configured IP should be used. e.g.
http://192.168.1.20
This IP address is shown as a pop-up each time the TReX starts up.
Using the web browser the TReX can be remotely configured. When moving to a text field, the text box at the bottom of the browser is automatically loaded. Changes can now be made and committed by pressing the SEND button. This text box can also be used to transmit messages for a configured protocol.
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Serial Command Configuration

Parameters can be changed using any common serial terminal (available on request if required) program using the RS232 or RS422/485 ports.
Start-up baud rate is determined by the baud rate as configured through the MENU.
All configuration commands always start with the asterisk ‘*’ character. All messages that do not start with the * character are processed by the protocol decoder.
All messages are terminated by a Carriage Return character, shown in this manual as <CR> All commands that accept a value, can have that value read back by using the ‘?’ suffix.
Typical usage:
*RX_FREQ?
Typical response:
*RX_FREQ=160000000
There are some commands that support multiple entries (such as the same command but for different ranges). In this case the question mark can be followed by the parameter to be interrogated. E.g.
*RX_RANGE?<CR>
Returns (lists all ranges)
*RX_RANGE=1:8,2000000 *RX_RANGE=2:0,0
*RX_RANGE=3:0,0 *RX_RANGE=4:0,0
*RX_RANGE=5:0,0 *RX_RANGE=6:0,0
*RX_RANGE=7:0,0 *RX_RANGE=8:0,0
To find the first range only:
Usage:
*RX_RANGE?1<CR>
Response:
*RX_RANGE=1:8,2000000
In order for any configuration changes made via serial to be saved the command *SAVE<CR> must be sent to the TReX before removing power or restarting.
Note: Although most configuration changes are applied immediately, it is a good practice to
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TReX User Manual v2.14 Firmware
restart the unit after changing configuration. This can be achieved by removing power to the unit or sending the *REBOOT<CR> command.
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