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TReX User Manual v2.14 Firmware

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.

© WTE Limited, 2018 – Christchurch New Zealand

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Summary of Contents for WTE TReX

Page 1: ...TReX User Manual v2 14 Firmware WTE TReX TELEMETRY DATAAND PAGING I O TRANSCEIVER User Manual WTE Limited 2018 Christchurch New Zealand Page 1 of 158 ...

Page 2: ...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 Serial Command Configuration 64 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_PERI...

Page 3: ...og Digital Output Format 114 WTE Ack and Confirm Protocol 116 Introduction 116 Store Forward Operation 120 Installation 121 Cables Supplied 121 Connecting to the TReX 122 Connector Pin descriptions 123 RHS Right Panel 123 LHS Left Panel 125 Input Output Hardware Connection 127 Inputs 127 Outputs 128 Serial Connections 129 RS 232 129 RS 422 RS 485 130 Point To Point Connection 131 Multi Point Conne...

Page 4: ...TReX User Manual v2 14 Firmware Specifications 155 WTE Limited 2018 Christchurch New Zealand Page 4 of 158 ...

Page 5: ...alyser 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...

Page 6: ...gital 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 sup...

Page 7: ...r 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 WTE Limited 2018 Christchurch New Zealand Page 7 of 158 ...

Page 8: ...arifies 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 resu...

Page 9: ...cal 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 T...

Page 10: ...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 sh...

Page 11: ...ty 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 o...

Page 12: ...ve 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 ...

Page 13: ...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 fro...

Page 14: ...he 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 trans...

Page 15: ... 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 Nex...

Page 16: ... 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 ...

Page 17: ...played 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 e...

Page 18: ...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 WTE Limited 2018 C...

Page 19: ...ic 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 me...

Page 20: ...essage 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 WTE Limited 2018 Christchurch New Zealand Page 20 of 158 ...

Page 21: ...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 WTE Limited 2018 Chri...

Page 22: ...nspection 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 WTE Limited 2018 Christchurch New Zealand Page 22 of 158 ...

Page 23: ...turned 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 t...

Page 24: ...re 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 WTE Limited 2018 Christchurch New Zealand Page 24 of 158 ...

Page 25: ... 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 re...

Page 26: ...er 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 tex...

Page 27: ... 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 WTE Limited 2018 Christchurch New Zealand Page 27 of 158 ...

Page 28: ...wn 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 WTE Limited 2018 Christchurch New Zealand Page 28 of 158 ...

Page 29: ...he 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 ...

Page 30: ...r 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 WTE Limited 2018 Christchurch New Zealand Page 30 of 158 ...

Page 31: ... configuration items Includes frequency baud rates and logging settings SPECTRUM Configures and allows access to the spectrum analyser PROTOCOL Control of the formatting in and out of the TReX for incoming and outgoing messages TCP IP Control of all aspects of internet connectivity Allows remote configuration and operation through the use of the Chrome or Firefox web browser TCP client or TCP serv...

Page 32: ...ates to a remote TReX device STORE FWD Configuration of the paging store and forward repeater operation including duplicate reject INPUTS Configuration of all inputs OUTPUTS Configuration of all outputs Also responsible for assigning of alerting functions to any output WTE Limited 2018 Christchurch New Zealand Page 32 of 158 ...

Page 33: ... language support please contact WTE Limited directly BACKLIGHT The backlight setting is how long in seconds the backlight is lit after each key press and also when a message is received Setting to 0 disables the backlight completely TIME Sets the internal clock WTE Limited 2018 Christchurch New Zealand Page 33 of 158 ...

Page 34: ...ows any page on any main screen to be set as the default main screen This results in this screen being the screen that is first seen when powering up the unit or after any period of inactivity the TReX will automatically revert to this screen Setting to DEFAULT will unset the last custom set screen and will return to the factory default main screen Setting to SET will set the screen to be the scre...

Page 35: ...gulatory items such as FCC ID Note Publication number 784748 D01 FCC Part 90 allows for devices with integrated display to not require a printed label on the device holding this information WTE Limited 2018 Christchurch New Zealand Page 35 of 158 ...

Page 36: ...r Manual v2 14 Firmware TEST Sub Menu 1 8 Digital output to test Pressing up pulls the output to ground for 60 seconds Pressing down releases the output WTE Limited 2018 Christchurch New Zealand Page 36 of 158 ...

Page 37: ...serial number KEY The key used to unlock unit features If features are purchased after sale a new key may be required to be entered here They key is unique to the unit serial number SET DEFAULTS Used to set the TReX back to factory defaults Calibration data is not cleared This may be used at any time to restore the unit to a known starting point WTE Limited 2018 Christchurch New Zealand Page 37 of...

Page 38: ...ed in the TReX RTC uses the internal real time clock to keep time FLEX takes the time from the FLEX transmission time details if present SEQ TEST takes the time from national paging network used in N Z only NONE only uses the internal processor clock This will only be the time since last reset WTE Limited 2018 Christchurch New Zealand Page 38 of 158 ...

Page 39: ...tomatically set when the Hz Div changes HZ DIV RBW Frequency Span 250kHz 25kHz 3MHz 10kHz 1kHz 120kHz 2kHz 500Hz 24kHz SAMPLE When set to CONT the spectrum analyser screen will be updated with new values approximately twice a second When set to PEAK only higher values will be written to the screen At any time the ENTER button can be pressed on the SCREEN to clear the screen and load new PEAK value...

Page 40: ...er Manual v2 14 Firmware Scales the signal level displayed Either 10 dB DIV or 20 dB DIV can be set When 20 is set a dynamic range of 120 dB is possible WTE Limited 2018 Christchurch New Zealand Page 40 of 158 ...

Page 41: ...his includes whether the modulation is 2 or 4 levels GFSK plus the channel width 512_25 indicates 512 baud with 25kHz channel spacing 2 level GFSK 9600 4L_6 indicates 9600 baud with a 6 25kHz channel spacing 4 level GFSK Modulation rates from 512 baud to 48K baud can be set PROTOCOL Specifies the protocol to apply for serial output accepts WTE CUSTOM RAW and AUX Other protocols may be added and su...

Page 42: ...RIC RANGES Specifies up to 8 RIC RX ranges for decoding Messages received with RIC codes not allowed with the RX_RANGE will be discarded by the receiver Note When configuring the RIC RANGE the LOW RIC must not be higher than the HIGH RIC and the HIGH RIC must not be lower than the LOW Any attempt to configure illegally will reset the RIC RANGE to ensure these rules are not broken Any RIC RANGE wit...

Page 43: ...o these messages based on filter setting There are 3 types of supported filters Include filters messages must include one or more of the matching entries Exclude filters messages must NOT include any of the matching entries Alerts filters Alerts are raised for message with any of the matching entries Alert filters take priority over Exclude filters This means that if PUKEKO has been specified in A...

Page 44: ...only the messages found in the ALERT TXT file will raise an alert No other messages even if displayed will raise an alert NOTE Filtered messages must still fall within configured RIC ranges in order to be displayed NOTE When the ALERT TXT filter option has been set a value enabled alerts are raised by matching key words in arriving messages that are within the specified RIC range When this option ...

Page 45: ...d accessible via the USB port If the feature is ENABLED this file if present will be searched for key words Any of these key words MUST NOT be present in order for the message to be processed Example A text file named EXCL TXT is added to the SD card root directory that has the following contents THIS IS A TEST DISCARD All messages WITH these key words WILL BE DISCARDED Even though non matching me...

Page 46: ...ified SENT RESP This the response out the serial port at the completion of each transmitted message By default this is Page Sent Note The default overriding response for WT protocol is WT xxx To change the sent response to Page Sent a leading character must be used e g Page Sent MODBUS Specifies parameters used for the MODBUS protocol RAW Specifies parameters used for the RAW protocol CUSTOM Speci...

Page 47: ...for transmitting Only a single connection is allowed however multiple users can conceivably connect in this mode for short durations in order to offload content to be transmitted A long term or held connection will allow decoded messages to be viewed in real time preventing further connections CLIENT This setting allows the TReX to be operated as a TCP client on the specified TCP port and REMOTE I...

Page 48: ...isable the TCP stack HOST This is the name that can be associated to the TReX This name can be used directly instead of the IP address to address the TReX By default is WTE TReX ADDR IP Address for access to the TReX MASK IP Mask GATE IP Gateway DNS1 Primary Domain Name Server DNS2 Secondary Domain Name Server PORT The port to use for TCP client TCP server connections Default is 5080 MAC Non edita...

Page 49: ...sible in this MODE SCADA_MASTER Optional feature only The TReX unit can be connected via Mobus TCP or RTU serial This unit can then optionally report the status and control SCADA_SLAVE TReX units SCADA_SLAVE Optional feature only The TReX can be installed in a remote location and wirelessly controlled by a SCADA_MASTER See SCADA Configuration LOCAL ID It is possible to have many TReX units operati...

Page 50: ...OT change the units outputs This may be desired if the OUTPUT is already configured for another purpose such as LINK FAIL OUTPUT Outputs to be used should be set to LATCHED REFRESH TIME How long in seconds before sending all input information again If any INPUT changes then there is an immediate transmission The REFRESH TIME ensures that if a message is lost the remote device will eventually resyn...

Page 51: ...smission If the TX TIMEOUT has been configured then the TX TIMEOUT will take priority TX CHAR This configures a special character that can be used to mark the end of a serial message This could be configured to be a carriage return for example value to use is 13 for a carriage return When any carriage return character is seen then an immediate transmission would be forced The TX LEN and TX TIMEOUT...

Page 52: ...e immediately queued for transmission and up to 5 messages may be retransmitted after the store forward delay DUPL REJECT Setting to 0 disables the feature otherwise this is the number of seconds to reject identical messages for up to 60 seconds Duplicate rejection operates only on messages decoded for forwarding This means that receiving of duplicate messages is not prevented nor the transmission...

Page 53: ... protocol messages via serial ports or a TCP connection BATT Treated as the 9th input Messages transmitted when system voltage is high or low high and low levels configurable ADC 1 2 Treated as Inputs 10 and 11 Messages transmitted when ADC levels are above or below set thresholds ADC CAL This manages calibration of analog inputs WTE Limited 2018 Christchurch New Zealand Page 53 of 158 ...

Page 54: ... is useful if a small voltage range is of interest such as 1 5V instead of 0 10V See following calibration procedure for full example 1 2 Access to calibration items for ADC 1 and ADC 2 MIN This is the minimum used INPUT ADC value If no scaling is to be applied set to 0 MAX This is the maximum used INPUT ADC value If no scaling is to be applied set to 1023 SCALED This is a read only field that dis...

Page 55: ...imum voltage that will be used up to 16V 5 Set ADC CAL MAX to the value shown in the INPUT field 6 Check that when the minimum voltage is connected the SCALED field displays close to 0 7 Check that when the maximum voltage is connected the SCALED field displays close to 1023 8 Check that when a mid voltage between the maximum and minimum is connected the SCALED field displays a mid value between 0...

Page 56: ...in start condition so that an immediate transmission on start is possible UNSET The input state is read on start up There will not be a transmission until the input changes if configured to transmit on that HIGH or LOW level HIGH The input is considered to be HIGH on start If on start the input is read and found to be LOW then there will be an immediate transmission if configured to transmit LOW T...

Page 57: ...onfigured MSG LOW The message that is transmitted formatted for the selected protocol when the input moves to the LOW level Input messages must always use WT Protocol TX COUNT HI If set to 0 then there will there will be NO transmissions when moving to the HIGH state If non zero then this is the number of times the HIGH message will be transmitted If there is a change of state again then any remai...

Page 58: ... are also used to set the battery icon on the main screens MSG HI The message that is transmitted formatted for the selected protocol when the input moves to the HIGH level Input messages must always use WT Protocol WTE Limited 2018 Christchurch New Zealand Page 58 of 158 ...

Page 59: ...a special output function the function will be displayed against the output e g RF ERROR If the output has been configured to more than one function the output setting will display MULTI The output can be configured to operate on many actions at once Note Care must be taken when assigning an output to more than one function as the behaviour of the output can be difficult to predict or determine th...

Page 60: ...ically the LINK FAIL output would be used in conjunction with a known periodic message from another transmitter TEMP This is the over temperature output When DISABLED there is no output change when the TReX has reached the max temperature The max temperature is set in MENU SYSTEM OVERTEMP This is the TReX board operating temperature and NOT the ambient temperature When set to 1 8 this is the outpu...

Page 61: ...of any MONOSHOT period for an output the OUTPUT will return to the LOW state When RIC RANGE X then the output is configured to close either LATCHED or MSHOT when a message is received with a RIC within that RANGE RIC RANGE N controls OUTPUT N MONOSHOT If LATCHED or RIC RANGE the output will remain in the set state until another message is received to change the state If set to a time then after re...

Page 62: ...ll series resistor if required since the internal series resistance is only 5 ohms When the analog outputs are being controlled scaling can be applied that allows the user to specify an OUTPUT from 0 1023 over a useful range from MIN to MAX For example if MIN is 200 and MAX is 400 then setting the analog output to a SET value of 1023 will in fact set the OUTPUT to the MAX value of 400 SET configur...

Page 63: ... must be set by connecting an ammeter through a small series resistor such as 100 ohms This setting would then be adjusted until the reading is the same as the reading from the ammeter Calibration Procedure for Voltage Output 1 Connect load a resistance not less than 2 k ohm 2 Set DAC output to 0 using the DAC OUT parameter 3 Alter DAC MIN until the low limit output can be obtained 4 Set DAC outpu...

Page 64: ...mand not being processed Main Commands REBOOT Forces the unit to immediately restart Usage REBOOT CR CONFIG Displays current configuration Usage CONFIG CR SAVE Saves all configuration settings all configuration changes are restored on start up Usage SAVE CR LIST Displays all available commands This command also lists many specific field names that need to be used with listed commands Usage LIST CR...

Page 65: ...n To completely disable all web and TCP connection user and passwords enter USERPASS none none CR SAVE CR By default the user and password is set to none none IO Returns all input and output states Typical usage IO CR Typical output IO I 01000000 O 00000000 ADC 257 252 DAC 0 0 In this typical output there are 11 inputs shown First 8 are the digital inputs The 9th input is 1 or 0 based on battery h...

Page 66: ...ng The second value is the forward power recorded during the last message transmission Parameter 3 is the system current Parameter 4 is the system current recorded during the last message transmission VER Sends the TReX sign on message back to the user This is useful to determine the model and serial number of the unit Usage VER CR BYPASS This a command that is useful for test and special serial c...

Page 67: ...s if received across the air In this case the message will also be processed as a WTE Output Protocol message and immediately operate the TReX outputs LAB Set the unit in transmit mode it can be configured to transmit carrier only or modulated This feature together with the RSSI command are useful when antenna alignment is necessary LAB syntax LAB x y CR Where x is used to enable 1 or disable 0 th...

Page 68: ...12 512_6 1200_25 1200_12 1200_6 1600_25 2400_25 2400_12 2400_6 3200 4L_25 4800_25 4800_12 4800 4L_6 9600_25 9600_12 9600 4L_25 9600 4L_12 16K 4L_25 16K 4L_12 32K 4L_25 Typical usage TX_BAUD 512_25 CR TX_MODE Specifies the transport method of the transmitter how the information is transmitted over the air POCSAG_A must be used in order to transmit alphanumeric messages POCSAG_N must be used in orde...

Page 69: ...tween 8 and 2000000 Typical usage TX_CAP 1 1324560 CR TX_PERIODIC Allows a periodic message to be transmitted This could be used as a heartbeat to confirm that the system is continuing to operate as expected WT protocol must be used for the periodic message TX_PERIODIC TT MMMM CR where TT is the time in seconds between transmissions 0 255 0 disables the feature MMMM is the periodic message to tran...

Page 70: ...nds of the link a setting of 2 64 bits will work equally well Typical usage TX_PREAMBLE 18 CR TX_LEAD Sets the transmit lead in and lead out time in multiples of 10ms Some receivers require time to settle when a transmitter is keyed up The command allows the lead in and lead out times to be set TX_LEAD II OO CR where II is the lead in time This is the duration after the carrier is applied BEFORE d...

Page 71: ... 4L_25 16K 4L_12 32K 4L_25 Typical usage RX_BAUD 512_25 CR RX_PROTO Specifies the protocol to apply for serial output accepts WTE CUSTOM RAW and AUX See protocol section for more detail on protocols and configuration Typical usage RX_PROTO WTE CR RX_MODE Specifies the transport method of the receiver how the information is received over the air POCSAG_A must be used in order to receive alphanumeri...

Page 72: ...utput to operate and channel busy level for the configured channel First parameter is the output to operate from 1 8 The second parameter is the signal level from 0 to 130 in dBm If the signal strength on the receiving channel is above this configured value the channel will be considered to be busy Transmissions will not be possible if the channel is considered to be busy After a period of 5 secon...

Page 73: ...quipment to clear the message Max store forward delay is 24 seconds All messages are immediately queued for transmission and up to 5 messages may be retransmitted after the store forward delay Duplicate Reject Operation Setting to 0 disables the feature otherwise this is the number of seconds to reject identical messages for up to 60 seconds Duplicate rejection operates only on messages decoded fo...

Page 74: ...ing the specified debounce period The input message is configured using the IN_MSG_L command Usage is as follows IN_CONFIG_L I N D R Where I The input to configure 1 11 valid Input 9 is the VIN input 10 is ADC 1 and 11 is ADC 2 the colon character N number of transmissions 0 no transmissions 9 is max tx count the comma character D debounce in 100 ms steps from 0 255 the comma character R time in s...

Page 75: ...e IN_MSG_L 1 WT1234560A10 IN_1_LOW CR IN_MSG_H Specifies the high level message that will be transmitted if configured Input messages must always use WT Protocol Typical usage IN_MSG_H 1 WT1234560A10 IN_1_HIGH CR IN_ANALOG Specifies the high and low ADC count thresholds for an analog input to be considered a digital HIGH or digital LOW When these thresholds are exceeded then programmed messages fo...

Page 76: ...TReX User Manual v2 14 Firmware 3L ADC2 voltage low ADC count Typical usage IN_ANALOG 138 114 200 100 500 400 CR WTE Limited 2018 Christchurch New Zealand Page 76 of 158 ...

Page 77: ... O The output to configure 1 2 valid the character E 1 to enable the set GPIO pin to an output T time for output to close for in 100ms steps E g 100 is 10 seconds Max value is 32000 Setting to 0 disables the timer and output is latched indefinitely Typical usage IN_CONFIG_L 1 1 10 CR UNIT_ID Specifies the output unit ID UNIT_ID XX CR where XX are any characters up to 12 either numeric or alphanume...

Page 78: ...cklight will be lit for after a key is pressed Setting to 0 disables Setting to 30 enables permanently Typical usage TREX_BACKLIGHT 10 CR TREX_SOUND Controls sounds made when a key is pressed or when a message is received that results in an ALERT being raised Typical usage TREX_SOUND 1 CR TREX_RS232_BAUD Sets the serial baud rate of the RS232 port Typical usage TREX_RS232_BAUD 9600 CR WTE Limited ...

Page 79: ...s between sounding the buzzer if TREX_SOUND has been set to 1 Alerting will continue until a key is pressed to acknowledge the ALERT Setting the output to 0 does not disable the alert Typical usage TREX_ALERT 1 60 CR TREX_FILTERS Sets the message filters that are in use when a message is received TREX_FILTERS I E A CR where I is set to 1 if the INCL TXT filter is to be used E is set to 1 if the EX...

Page 80: ...gain Typical usage TREX_TELEMETRY 0 0 1 2 10 CR TREX_SCREEN Sets the default main screen and the page for that main screen On start up the first screen viewed is this screen After a period of keypress inactivity this is the return screen This is shown here only for completeness Typically this would only be set through the MENU system and has no relevance when the TReX is being serially controlled ...

Page 81: ...t Default 0 HH ADC2 maximum count Default 1023 Typical usage TREX_AN_CAL 0 1023 0 1023 0 1023 0 1023 TREX_MISMATCH Sets parameters that control the antenna mismatch detection feature When an antenna is missing damaged or mismatched the following may be observed The current may increase the RF power detected may increase decrease through reflection or the output power may be low Should any of these...

Page 82: ...ual v2 14 Firmware DD the number of seconds to operate the output MM the min permitted output power ADC count Typical usage TREX_MISMATCH 2 300 1500 5 200 CR WTE Limited 2018 Christchurch New Zealand Page 82 of 158 ...

Page 83: ...pical usage IP_ENABLE 1 CR IP_HOST Configures the name used by the DNS server to allocate name to IP translation on the network Typical usage IP_HOST WTE TReX CR IP_ADD Specifies the default IP number set to be used by the network Typical usage IP_ADD 192 168 1 20 CR IP_PORT Specifies TCP Port used by the TCP server and client Port for web configuration is fixed at 80 Typical usage IP_PORT 5080 CR...

Page 84: ... DNS server up to 2 DNS servers can be set IP_DNS aaa bbb ccc ddd eee fff ggg hhh where aaa bbb ccc ddd first DNS server IP eee fff ggg hhh second DNS server IP Typical usage IP_DNS 192 168 1 1 0 0 0 0 CR Note The IPs are separated by the use a COMMA IP_MAC Returns the MAC Media Access Code number of the unit this is a readable field only Typical usage IP_MAC CR Typical output IP_MAC 60AD45676000 ...

Page 85: ...e the 2 characters WT NNNNNNN are 7 ASCII digits from 0000000 9999999 A is the Transport method A POCSAG Alpha N POCSAG Numeric W POCSAG WTE WTE 8 bit format allowing all 8 bit characters to be transmitted S Message Payload sent directly to serial port without transmission See note Serial Only Transport of Messages B is the Level 1 9 Note that POCSAG only supports levels 1 4 which is the same as t...

Page 86: ...odulation rates determined by regional restrictions SPACE is a single space character MMM is the payload up to 240 characters CR is the carriage return character Example To send a 512 baud alpha message to 1234567 level 1 with payload of TEST WT1234567A10 SPACE TEST CR After processing transmitting responds with WT TTT NNN CR where TTT is the ticket ID that was assigned to the transmission Rotates...

Page 87: ...es out a serial port and not transmitted on a particular event For example if an input changes state it might be desirable to send a message out the serial port to control another piece of equipment or it might be useful to use the periodic message to send a health check message out the serial port once every 5 seconds Receiver only TReX units use this method to output messages The transport type ...

Page 88: ...g Description Example Output 01 Auto Incremented Ticket ID 3 digits rotating 123 02 Time Date 23 34 01 02 03 Digital IO I 11110000 O 1111000000 04 Analog IO ADC 1023 1003 DAC 1023 1003 05 System Voltage 12 1 06 Temperature Digital RF degrees Celsius 23 4 44 5 Example To transmit the system voltage when input 1 goes low program the input 1 low message with WT1234567A10 SPACE INPUT 1 05V CR The mess...

Page 89: ... Modbus Slave ID The TReX uses the Slave ID as the Unit ID when the Modbus TCP protocol is used These ID codes allow multiple units to be addressed or in the case of Modbus TCP multiple units to be used on the same IP address Modbus TCP The Modbus TCP extension includes 6 additional bytes to the original Modbus RTU protocol which allows for transport over the TCP IP layers Only a single TCP connec...

Page 90: ...01 to 30011 30257 to 30267 30513 to 30523 30769 to 30779 31025 to 31035 31281 to 31291 05 Write Single Coil Code to write to the 8 TReX outputs MASTER TReX plus up to 10 wireless SLAVE TReX units 0x0000 0x0057 1 to 88 06 Write Single Register Code to write DAC1 Code to write DAC2 Special Command Code 0x0000 0x000A 0x0100 0x010A 0x0200 0x020A 40001 to 40011 40257 to 40267 40513 to 40523 15 Write Mu...

Page 91: ...ter This means that not only can the generic third party SCADA application control and monitor IO using standard Modbus commands but the SCADA application can also send paging messages using the WT Protocol This allows the SCADA application to directly message to pager send information to devices such as LED signs or to output serial data from any TReX unit In order to send a pager message the SCA...

Page 92: ...the start index in message from 0 255 This field rule will start looking at this index in the incoming message index is 0 based is the comma character L is the length of the field to parse 0 255 If 0 is specified then parsing will continue until the first non printable character is found match is any string that should be matched in the incoming message This may or may not be used as described bel...

Page 93: ... the beep level and TEST is the message payload If the ET at the start is in capitals then the message is transmitted at 512 baud If the message starts with et then the message is transmitted at 1200 baud Implementation Set match field 1 start index 0 for a length of 2 characters If the match string is found then BAUD rate of 1200 is used CUST_FIELD 1 0 2 et BAUD_1200 CR Set match field 2 start in...

Page 94: ... ignores all following fields Note that field 9 and 10 in this example do not need to be set to UNUSED but only done here to reduce confusion CUST_FIELD 8 0 0 UNUSED CR CUST_FIELD 9 0 0 UNUSED CR CUST_FIELD 10 0 0 UNUSED CR Full Example of Minimum Configuration If default fields are configured setting cap code level etc then for the same input of ET1234567 1 TEST CR The very least configuration re...

Page 95: ...cludes the message payload transmitted in the response Example 1 e g if response of SENT CR is desired CUST_RESP 1 SENT CONST CR CUST_RESP 2 UNUSED CR CUST_RESP 3 UNUSED CR Example 2 e g if response of JX1234567 CR is desired where 1234567 is the CAP code of the transmitted message and JX are the characters JX CUST_RESP 1 JX CONST CR CUST_RESP 2 CAP CR CUST_RESP 3 UNUSED CR Custom Protocol Output ...

Page 96: ...constant AABBCCCCMMM Consider an example where the decoded over the air message will have a CAP code of 1234567 LEVEL of 1 and message body of TEST It is required in this example that output should have the format ET1234567 1 TEST First configure the expected message format as follows CUST_OUTPUT ET1111111 2 TEST CR With the CUST_OUTPUT set the TReX can now be configured to replace part of this te...

Page 97: ...th can still be sent but there will be a small delay between each transmission Transmission delays may be longer than expected if the TReX determines that the channel is busy Typical usage RAW_LEN 100 CR RAW_END Specifies a character that results in immediate transmission or displayed after reception 0 if unused Decimal value of ASCII character Typical usage RAW_END 13 CR This means transmit immed...

Page 98: ...ission Transmission delays may be longer than expected if the TReX determines that the channel is busy Parameter 3 specifies a character that results in immediate transmission 0 if unused Decimal value of ASCII character Typical usage RAW_CONFIG 4 100 13 CR WTE Limited 2018 Christchurch New Zealand Page 98 of 158 ...

Page 99: ...eX units are connected to This includes also the SCADA application MASTER This is the unit that is connected through Ethernet or another interface to a SCADA monitoring application This master unit can now control and hold the details of up to 10 TReX slaves Input and output status of all units can be immediately requested or modified directly by the SCADA application To set the TReX as a master s...

Page 100: ...nt is being served to a PC and mobile devices using the open source application RapidSCADA SCADA applications have the advantages to provide a means to notify through email paging messages SMS or to generate alarms of critical system events WTE Limited 2018 Christchurch New Zealand Page 100 of 158 ...

Page 101: ...TReX User Manual v2 14 Firmware SCADA System Single TReX Configuration This is a system that requires no expansion through use of SLAVE units WTE Limited 2018 Christchurch New Zealand Page 101 of 158 ...

Page 102: ...nd can be set to anything The MODBUS ID can be any value from 0 127 except 42 or 87 MENU PROTOCOL MODBUS is used to configure the key SCADA parameters such as unit ID and the protocol Typically if an Ethernet connection is used the TCP protocol will be used See MODBUS Protocol for more Modbus information WTE Limited 2018 Christchurch New Zealand Page 102 of 158 ...

Page 103: ... several pumps and other I O devices connected Here the Remote Station is configured as MASTER and the Pump Station are configured as SLAVE units Example Configuration Remote Station has a LOCAL ID configured to be 01 Pump Station 1 SCADA_SLAVE has a LOCAL ID of 02 Pump Station 2 SCADA_SLAVE has a LOCAL ID of 03 All Units have been configured to refresh I O each 30 seconds REFRESH TIME Note Refres...

Page 104: ...ion Configuration The LOCAL ID must be configured to a system unique value default 01 REMOTE ID must be configured to the ID of the first SLAVE LOCAL ID MODBUS ID can be any value from 0 127 except 42 or 87 WTE Limited 2018 Christchurch New Zealand Page 104 of 158 ...

Page 105: ...ystem must be consecutively numbered The SLAVE configuration is unique in that both the LOCAL ID and REMOTE ID need to be the same In this configuration the MASTER unit requires these settings in order to identify the SLAVE unit messages The SCADA application will report inputs 1 8 to be from Remote Station inputs 9 16 from Pump Station 1 and inputs 17 24 from Pump Station 2 See Modbus Protocol fo...

Page 106: ...ase is the number 01 followed by 069 where 01 in this case is the UNIT ID in the system The 069 is a link fail counter used to determine loss of communication for a unit This number is reset whenever a new message is decoded from a SLAVE unit Pressing the DOWN button will cycle through all the remote UNIT IDs in the system displaying all system IO link states temperatures and battery voltages WTE ...

Page 107: ... variation of the WTE Output Control Protocol There are however special codes used reserved for internal use only Messages from MASTER to SLAVE Code Description U1 DAC 1 Control Value U2 DAC 2 Control Value U3 Digital Output Bitmap U4 Special Slave Commands Messages from SLAVE to MASTER Code Description U1 DAC 1 Control Value U2 DAC 2 Control Value U3 Digital Output Bitmap U4 Digital Input Bitmap ...

Page 108: ... MODE the output must be configured to be TELEMETRY It is possible to restrict outputs s that are updated by DISABLING outputs on the REMOTE ID device REMOTE ID devices are automatically controlled using the WTE output control protocol When there is any input change or an analog input changes by more than a configured threshold amount there is an immediate transmission that updates a REMOTE ID dev...

Page 109: ...a requirement this can be achieved by configuring some input message using the WTE output control protocol After selecting a frequency to transmit on the default settings will in many cases be enough for the system to be ready to test before deployment NOTE Make sure the REMOTE ID of one device matches the LOCAL ID of the other WTE Limited 2018 Christchurch New Zealand Page 109 of 158 ...

Page 110: ...e transmitted if configured IN_MSG_L specifies the low level message that will be transmitted if configured The IN_CONFIG_H and IN_CONFIG_L commands allow the input to specify How many messages are transmitted once triggered The debounce period how long the input must be in a new state continuously in order to transmit before the input is triggered How long to wait until the message is retransmitt...

Page 111: ...nfigured messages to be transmitted once triggered IN_MSG_L 1 WT1234560A10 IN 1 LOW CR IN_MSG_L 2 WT1234560A10 IN 2 LOW CR High level messages can be set to anything since they are configured not to be used IN_MSG_H 1 CR IN_MSG_H 2 CR For more details on command usage please refer to the Configuration section if required WTE Limited 2018 Christchurch New Zealand Page 111 of 158 ...

Page 112: ... and outputs to the TReX The TReX supports up to 8 outputs These outputs can be shared with special output functions such as the LINK FAIL output Outputs are configured using the commands OUT_CONFIG OUT_ID The outputs are controlled through messages received that conform to the WTE output control protocol WTE Limited 2018 Christchurch New Zealand Page 112 of 158 ...

Page 113: ...y be many seconds or permanently latched The control message can be placed in any position in the message payload and there can be multiple control messages in the same payload Digital Output Format The payload of a message must fit the following format in order to operate the unit outputs Note that this description is extended below to describe how this format is extended to also allow control of...

Page 114: ...12 Consider that we have several TReX Units and each one is configured with a different OUT_ID Unit_A Unit_B and Unit_C Scenario 5 To turn output 1 and 2 ON in the Unit_A Message payload Unit_A 12 Scenario 6 We want to turn output 1 and 2 ON in the Unit_A to turn output 1 ON and turn OFF output 2 on the Unit_B turn OFF output1 and 2 on the Unit_C Message payload Unit_A 12 Unit_B 1 2 Unit_C 12 Anal...

Page 115: ...set Note that both a digital output and analog output can have the same output number When analog outputs are controlled they must always be before any digital outputs Example 1 Unit configured to have WTE_ID of UNIT 1 Digital outputs 2 and 4 are to be set and output 1 cleared Analog Output 2 is to have the DAC set a value of 927 Message payload UNIT 1 U2 927 24 1 Example 2 Unit configured to have...

Page 116: ...ccept the message and details of the attending vehicle would then be sent to the communications room The WTE Ack and Confirm Protocol can be embedded into the payload of any message Typically the protocol message would be attached to the end of a message so that paging messages would display normally for typical users Note In order for a TReX unit to acknowledge any message the receiving TReX RIC ...

Page 117: ...omatically incrementing ticket ID Receiving TReX units can acknowledge multiple messages if messages have been received in a batch e g The remote TReX unit receives 3 messages all to be acknowledged ticket IDs 345 346 and 347 The following is transmitted ACK 345 346 347 Upon reception of any message requiring confirmation the TReX shifts from any screen currently on and does not allow leaving of t...

Page 118: ...e Unit 41 in the confirmation response is the TReX programmed unit ID Example 3 Message is transmitted from base station using WT Protocol together with the Acknowledge and Confirm Protocol added to the end to the message WT1234567A10 HEART ATTACK 45 YO MALE 12 PUKEKO PL 01 3 ATTEND CR Note The WT Protocol must be used to automatically expand the 01 macro to an automatically incremented ticket id ...

Page 119: ...user ACCEPT the message to attend the remote TReX transmits to the base station the message ACC 666 Unit A where 666 is the ticket id is the character Unit A is the unit ID programmed through SYSTEM ID WTE Limited 2018 Christchurch New Zealand Page 119 of 158 ...

Page 120: ...terest to forward The duplicate reject feature is essential to use when the TReX is been used in a multi hop store forward system If this is set to 0 rejection of duplicated messages are not possible and messages may bounce back and forward between repeaters The duplicate reject period if used ALWAYS must be of a longer duration than the store forward delay for reliable operation Multiple repeater...

Page 121: ...tenna with as much elevation as possible for best results see Antenna Elevation below Maximum tolerated input power into the RF connector is 17 dBm Levels above this will destroy the receiver RF input and invalidate the unit warranty Cables Supplied By default NO cables are supplied on purchase Because there are so many possible frequencies and variations in installation an antenna is NOT supplied...

Page 122: ...s for a usable system 1 Connection to a 50 ohm antenna constructed for the frequency of interest Mismatched antennas may result in increased current draw and reduced power output 2 13 8V 3A supply connected to the power terminals WTE Limited 2018 Christchurch New Zealand Page 122 of 158 ...

Page 123: ...nector Input Output Connector Inputs Outputs Pin Number Description 1 Input Digital 1 2 Input Digital 2 3 Input Digital 3 4 Input Analog 1 5 Input Analog 2 6 GND 7 GND 8 Output Analog 1 9 Output Analog 2 10 Output Digital 1 11 Output Digital 2 12 Output Digital 3 WTE Limited 2018 Christchurch New Zealand Page 123 of 158 ...

Page 124: ...7 Reserved Do NOT Connect 8 GND 9 Output Digital 1 10 Output Digital 3 11 Output Digital 5 12 Output Digital 7 13 Output Analog 1 14 Input Digital 2 15 Input Digital 4 16 Input Digital 6 17 Input Digital 8 18 Input Analog 2 19 GND 20 GND 21 Output Digital 2 22 Output Digital 4 23 Output Digital 6 24 Output Digital 8 25 Output Analog 2 WTE Limited 2018 Christchurch New Zealand Page 124 of 158 ...

Page 125: ...nector Pin Number Description 1 RS422 RX IN 2 RS422 RX IN 3 RS422 TX OUT 4 RS422 TX OUT 5 RS232 TX 6 RS232 RX 7 Ground GND Power Connector Power Connector Pin Number Description 1 Ground GND 2 13 8V 3 Not Connected N C WTE Limited 2018 Christchurch New Zealand Page 125 of 158 ...

Page 126: ... NC 5 NC 6 RX 7 NC 8 NC Note pins 4 and 5 are connected to ground via a 75R resistor 7 and 8 are connected to ground via a 75R resistor Do not connect a Power over Ethernet PoE connection to the TReX Ethernet port as this will result in damage WTE Limited 2018 Christchurch New Zealand Page 126 of 158 ...

Page 127: ...ReX User Manual v2 14 Firmware Input Output Hardware Connection Examples of how to connect external devices to the TReX input output pins Inputs WTE Limited 2018 Christchurch New Zealand Page 127 of 158 ...

Page 128: ...rrent does not exceed 100mA When using inductive loads such as relay coils flyback diodes must be fitted to prevent damage to the TReX VDD is voltage source externally provided between 5 and 24VDC depending on the control application WTE Limited 2018 Christchurch New Zealand Page 128 of 158 ...

Page 129: ...User Manual v2 14 Firmware Serial Connections RS 232 WTE Limited 2018 Christchurch New Zealand Page 129 of 158 Illustration 1 TReX RS 232 DB9 Connector as DTE Illustration 2 TReX RS 232 DB9 Connector as DCE ...

Page 130: ... receiver for example RS 485 is a multipoint interface that allows each device to be a transmitter and also a receiver This interface also allows for more devices to be connected on a common serial bus Because each device on the same bus can transmit each device must be capable of setting all transmit lines to a high impedance state when not in use to ensure that all devices have the ability to tr...

Page 131: ...nfiguration only applies if driving less than 10 listeners receivers when using RS 422 devices or less than 32 devices for RS 485 devices WTE Limited 2018 Christchurch New Zealand Page 131 of 158 Illustration 3 TReX RS 422 Point to Point Connection Illustration 4 TReX RS 485 RS 422 Multi Point ...

Page 132: ...tor between the signal lines on the extreme ends of the transmission line The rule of thumb for termination is If the propagation delay of the data line is much less than one bit pulse width termination is not needed This assumes reflections will damp out in several trips back and forth on the data line Typically for slow speeds of 9600bps or below no termination resistor is required If terminatio...

Page 133: ...TReX User Manual v2 14 Firmware There are many online references available to calculate these resistors if required WTE Limited 2018 Christchurch New Zealand Page 133 of 158 ...

Page 134: ...operly ground or bond the cable outer CAUTION When the TReX is operating there is RF energy radiated from the antenna Do not stand in front of the antenna while the radio is operating see the RF Exposure Warning CAUTION Lightning will destroy electronic equipment To avoid this risk install primary lightning protection devices on any interfaces that are reticulated in the local cable network You sh...

Page 135: ...s described in the section 16 3 Connecting to the TReX WARNING EXPLOSION HAZARD TReX was NOT designed to operate and or be connected to voltages above what has been specified Failure to follow these instructions can result in death or serious injury WTE Limited 2018 Christchurch New Zealand Page 135 of 158 ...

Page 136: ...ports auto MDIX Standard Ethernet Bandwidth allocation The Ethernet capacity maximum is determined by the available radio link capacity Ethernet mode 10Base T or 100Base TX Full duplex or half duplex Auto negotiating and auto sensing Diagnostics Green LED Off No data present on the interface On Data present on the interface Orange LED Off no Ethernet connection On Ethernet signal received WTE Limi...

Page 137: ...t intended for use with the TReX will render the TReX inoperable Uploading firmware should only be performed if instructed to do so by WTE Limited or an authorised agent Firmware Upgrade Utility This bootloader software has been customised by WTE to simplify the firmware replacement process for the TReX This application automatically handles erasing and verifying of uploaded firmware This utility ...

Page 138: ...age saying Device Connected The TReX backlight will now stay constantly on 6 You can now RELEASE the TReX UP button 7 On the PC application press the Load Hex File button 8 Select the supplied TReX hex file NOTE the firmware used must MATCH the TReX receiver variant A TReX can only be used with TReX encrypted firmware Failure to comply will leave the device inoperable 9 Press the WTE Firmware Upda...

Page 139: ...TReX User Manual v2 14 Firmware Physical Dimensions TReX physical dimensions are 104mm x 130 5mm x 40mm Length x Width x Height Weight 550 grams WTE Limited 2018 Christchurch New Zealand Page 139 of 158 ...

Page 140: ...nserts Please look the following images and descriptions to correctly mount the TReX radio DIN Rail Inbuilt into the TReX custom extrusion there is a DIN rail slot patent pending for easy snap fit DIN rail mounting After location on the DIN rail 2 5mm locking pins may optionally be fitted from each end plate if desired a 2 5mm split pin is a perfect fit WTE Limited 2018 Christchurch New Zealand Pa...

Page 141: ... removal of the end plate The mounting channel allows an M4 bolt head or M4 nut to lock inside If an M4 nut is used inside the channels instead of a M4 bolt head attention must be taken to NOT use a bolt or screw longer than the channels depth Not paying attention to this detail may result in damage to the TReX and invalidate the product warranty TOP Mount The flush mount option is suitable for an...

Page 142: ...TReX User Manual v2 14 Firmware SIDE Mount WTE Limited 2018 Christchurch New Zealand Page 142 of 158 ...

Page 143: ...TReX User Manual v2 14 Firmware Bottom Mount WTE Limited 2018 Christchurch New Zealand Page 143 of 158 ...

Page 144: ...metric as are the left and right sides of the TReX radio this allows a wide range of mounting configurations The channels space from centre to centre in the top and bottom of the radio is 117 40mm Dimension are in millimetres WTE Limited 2018 Christchurch New Zealand Page 144 of 158 ...

Page 145: ...14 Firmware Top and Bottom Drilling Template Note All dimensions are in millimetres The drilling template will need to be scaled depending on your printer settings WTE Limited 2018 Christchurch New Zealand Page 145 of 158 ...

Page 146: ...mplate Note All dimensions are in millimetres The drilling template will need to be scaled depending on your printer settings Depending on installation not all mounting points may be required WTE Limited 2018 Christchurch New Zealand Page 146 of 158 ...

Page 147: ...ntal directions This means that if the transmitter or the receiver moves the antenna will not need to be changed adjusted to compensate This is the common antenna used in cellular phones and handhelds radios Directional antenna Directional antenna have the ability to focus energy in a particular direction This advantage increasing the maximum distance between transmitter and receiver units Since t...

Page 148: ...nals are mainly line of sight is the curvature of the earth The typical distance to expect can be approximately calculated as follows D 2r0 hf 6076 1β0 Where D is the distance to the horizon in NM r0 is the mean radius of the earth 3440 1 NM hf is the height of your antenna β0 0 8279 accounts for terrestrial refraction This formula can be simplified to d 1 17 hf Where d range in nautical miles hf ...

Page 149: ...el will help to address a less than ideal antenna or poor line of sight conditions When line of sight or elevation is poor the range can also be approximately doubled with every 6dB increase in link budget either increase in TX power or increase in RX sensitivity From testing these ranges can be expected from a 20dBm transmitter at the indicated elevation The TReX has an output power of 36dBm 4W c...

Page 150: ...ry It is the users responsibility to ensure local regulations are adhered to No User Serviceable Components There are no user serviceable components within the radio RoHS and WEEE Compliance TReX is fully compliant with the European Commission s RoHS Restriction of Certain Hazardous Substances in Electrical and Electronic Equipment and WEEE Waste Electrical and Electronic Equipment environmental d...

Page 151: ...tails can be found via MENU SYSTEM REGULATORY Note Publication number 784748 D02 FCC Part 90 allows for devices with integrated display to not require a printed label on the device holding this information Maintenance No User Serviceable Components Servicing is only to be performed by WTE Limited or agent appointed by WTE Limited Servicing outside of the warranty period is at the discretion of WTE...

Page 152: ... 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 your local dealer or city council Please recycle this device responsibly The TReX has a residual scrap value that includes 400g o...

Page 153: ...nd the product will be repaired or replaced The product warranty will be invalidated through evidence of Unauthorised work carried out Tampering including evidence of removal of internal electronics from the case Installation in wet or corrosive environments Exposure to impact or excessive vibration Use or installation outside of the specified operating parameters WTE Limited 2018 Christchurch New...

Page 154: ...ectro Static Discharge ETSI European Telecommunications Standards Institute FW Firmware HW Hardware IP Internet Protocol I O Input Output ISP Internet Service Provider kbit s Kilobits per second kHz Kilohertz LAN Local Area Network LED Light Emitting Diode mA Milliamps MAC Media Access Control Mbit s Megabits per second MHz Megahertz ms milliseconds PC Personal Computer RF Radio Frequency RoHS Res...

Page 155: ...Additional 1 0A for correctly matched antenna External fusing should be 2A Digital Inputs 8 optically isolated To operate pull to ground or may be driven high or low High level from 5 24V Low Level less than 1V Analog Inputs 2 0 16 V Input impedance approx 50K Slope and offset configurable e g to support 1 5V or 1 10V Digital Outputs 8 open drain Max allowed supply voltage 24V Max rated current 10...

Page 156: ...t Antenna fault Comms link fail Max Rx Input Power 17dBm Direct connection above 17dBm 50mW will destroy the receiver Receiver at 450 5MHz 512 baud 12 5kHz compliant with EN300113 Sensitivity 123dBm Desensitised at frequency multiples of 26MHz and within 50kHz Selectivity 1 channel 61dB Bocking at 1MHz offset Tolerates 20dBm Co channel Rejection Ratio Rejects unwanted signal at 4dB Error Behaviour...

Page 157: ...SK 9600 GFSK 9600 4GFSK 16K 4GFSK 6 25kHz Channel Width 512 baud FSK 1200 GFSK 2400 GFSK 4800 4GFSK Europe AU and NZ Model TReX 461 Modulations Supported 25kHz Channel Width 512 baud GFSK 1200 FSK 1600 FSK 2400 GFSK 3200 4GFSK 4800 2GFSK 9600 GFSK 9600 4GFSK 16K 4GFSK 12 5kHz Channel Width 512 baud FSK 1200 FSK 2400 GFSK 4800 GFSK 9600 4GFSK 6 25kHz Channel Width 512 baud FSK 1200 GFSK 2400 GFSK 4...

Page 158: ...imum 95 non condensing Acoustic noise emission No emission when sounder is disabled Maximum sound output from sounder is less than 80dBA Compliance Standards EN 300 113 base station and portable mobile compliant EN 301 489 EN 60950 IEC 62368 1 EN 50385 FCC part 90 AS NZ 4768 Testing Laboratory Base station and mobile compliant testing completed 8 2 2019 WTE Limited 2018 Christchurch New Zealand Pa...

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