ScaleLink 2 - Avery Weigh
Contents
1. 6 Unique Radio Channels Weather proof enclosure Multiple communication modes Supports RS 232 RS 422 amp 20 mA Current Loop Active amp Passive Supports different data formats parity stop bits etc Continuous data stream up to 9600 kbs Communicate between devices using different baud rates Easy to install and use ScaleLink replaces any serial cable transmitting receiving right out of the box No software set up required Technicians use a Pushbutton Menu System to adjust communication settings including baud rate radio channel and more Terminal wiring with no special cables connectors or soldering 2 2 Specifications amp radio principles Transmit Output Power 250 mW Transmission strength of the radio signal Receiver Sensitivity Frequency Band Spread Spectrum Frequency Hopping 12 109 dBm Sensitivity is maximized so super strong transmissions are not needed reducing power consumption and cost 900 MHz Transmissions are rapidly switched among 25 frequency channels within the band and re organized by the receiving unit reducing interference from other signals on the same band ScaleLink 2 Installation Data Throughput 9600 bps Transmissions always occur at this rate If the ScaleLink is fed data at 1200 bps it is transmitted at 9600 bps The receiving ScaleLink may then feed this data ata different rate to its device Transmitting data above 9600 bps to the ScaleLink may caus2. in Set Up mode P1 0 and has the following default communications settings RS 232 Communications 9600 Baud No Parity 8 Data Bits 1 Stop Bit ScaleLink 2 Installation communicating device is transmitting to the ScaleLink at power up the communication settings may be learned and will automatically change the Direct Connect mode default settings These settings can be changed See Set up mode on page 24 esa ag The ScaleLink is set to Auto Connect by default If the ScaleLink 2 Installation 23 5 Set up mode 5 1 Entering set up mode 1 Press amp hold the UP and DOWN arrow keys together SEtuP is flashed on the display 2 The first Set Up mode parameter P1 0 is displayed a GEEGP I P AT aL Lu 5 2 Navigating set up parameters 1 Use the UP and DOWN arrow keys to find the parameter Set Up Parameters are designated by the letter P preceding the parameter number Ex P1 0 P1 1 P1 2 5 3 Editing set up parameters 1 Navigate to the parameter and press ENTER to display the parameter value 2 Use the UP and DOWN arrow keys to edit the parameter value 3 Press ENTER to confirm the parameter value g ad Pic S _ 9600 S 4809 24 ScaleLink 2 Installation 5 4 Exit amp save set up 1 Press the UP and DOWN arrow keys together 2 The display flashes SAVE and rESEt before exiting Set Up mode All
3. the ScaleLink com ports and transmitted over the air by the radio Green RX LED Flashes each time a character is received over the air by the radio and transmitted out the ScaleLink com ports 14 ScaleLink 2 Installation 3 Installation 3 1 Pre installation Itis always good practice to verify that the ScaleLink is complete and undamaged upon receipt Check over packaging for any signs of damage Remove the ScaleLink from its protective packaging and check for damage Verify that the shipment includes O ScaleLink Wireless Transceiver O Screw on Antenna O Power Adaptor Dimensions Hole diameter 13 64 5 16mm Figure 3 1 ScaleLink Dimensions Pe Le ee ee ee ScaleLink 6 6 5 3 4 T 1 1 7 lb G2 171mm 152mm 137mm 76mm 108mm 197mm 43mm 0 75 kg 3 2 Mounting instructions 1 Inspect the installation site for properly grounded power The socket outlet shall be installed near the equipment and shall be easily accessible ScaleLink 2 Installation 15 2 Allow proper clearance for running cables up into the enclosure via the cable strain reliefs as necessary 3 The ScaleLink can be mounted on interior or exterior surfaces with 10 screws or 3 16ths bolts Use proper hardware including wall anchors where necessary The appropriate length must be determined specifically for each application 3 3 Opening the ScaleLink enclosure 1 Make s
4. 7 1 3 2 Wet conditions Under wet conditions the plug must be connected to the final branch circuit via an appropriate socket receptacle designed for washdown use Installations within the USA should use a cover that meets NEMA 3R specifications as required by the National Electrical Code under section 410 57 This allows the unit to be plugged in with a rain tight cover fitted over the plug Installations within Europe must use a socket which provides a minimum of IP56 protection to the plug cable assembly Care must be taken to make sure that the degree of protection provided by the socket is suitable for the environment 1 4 Routine maintenance IMPORTANT This equipment must be routinely checked for proper operation and calibration Application and usage will determine the frequency of calibration required for safe operation Always turn off the machine and isolate from the power supply before starting any routine maintenance to avoid the possibility of electric shock 8 ScaleLink 2 Installation 1 5 Cleaning the machine Table 1 1 Cleaning DOs and DON Ts Wipe down the outside of Attempt to clean the inside of the standard products with a clean machine cloth moistened with water and Use harsh abrasives solvents scouring cleaners or alkaline cleaning solutions a small amount of mild detergent Spray the cloth when using a Spray any liquid directly on to proprietary cleaning fluid the display wi
5. A prescrites dans le R glement sur le brouillage radio lectrique edict par le minist re des Communications du Canada European Countries 10 ScaleLink 2 Installation 2 Introduction The ScaleLink Wireless Transceiver allows Scale Technicians with little or no knowledge of radio communications to guickly and confidently set up wireless systems Combining trusted radio freguency technology with scale specific features the ScaleLink can be universally connected to any device with a serial port such as indicators remote displays PC computers and digital summing modules The ScaleLink can eliminate costly and time consuming installation steps like trenching running wire and conduit while increasing the range of the system and decreasing the risk of damage due to transient voltages and lightning Like all Avery Weigh Tronix products the ScaleLink is engineered for durability functionality and the versatility of today s weighing industry The following information is for the exclusive use of Avery Weigh Tronix dealers and customers 2 1 ScaleLink features SMA Connector A amp Washer 6 POT Transmit LED Antenna gt LED Diagnostics amp Menu Display Receive LED MR NS RX TX 3 Mounting holes Cable Strain Reliefs gt Figure 2 1 ScaleLink ScaleLink 2 Installation 11 Robust amp long range Up to 300 ft Indoor Urban Through walls Over 1000 ft Outdoor Line of sight
6. Avery Weigh Tronix EE ScaleLink 2 Transceiver Installation and Technical Instructions AWT35 501165 Issue AA scalelink2_i_en_501165 book AWT35 501165 Table of Contents page Table of Contents EE RR EE i Re eek adele sda ages Re EERS GE 3 Chapter 1 General information and warnings ee ee 5 About this manual ee ek AAR Re EA Ee ee ER AR AA ee 5 Text CONVENTIONS ee ee ee RR RA Re Re ee ee ee ee 5 Special MESSAGES ie i 5 REENEN N GO nia ii 6 Electrical installation se ee Re Ee ee ER RR AA ee 7 Pluggable equipment 7 Wet conditions ee ee ee GR RR AA ee ee ee ee 8 Routine maintenance Re ee Ee ee ee Ee Re ren 8 Cleaning the machine ee ee RR ee ee 9 Training is ER EE eo 9 FCC and EMC declarations of compliance 10 Chapter 2 Introduction GR ER RA ee ee ee Ge ER Re Re AA ee 11 ScaleLink features ie ee ee EA Re AA ee ee ee ea ee 11 Specifications amp radio principles iss ee ee ee ee 12 Approvals EERS EE AE alii tha EDE 13 Display amp LEDS RE GE RO aa 14 Chapter 3 Installation ee RR RR Re ee ee ee ee Ge ER Re Re ee ee 15 Presinstallatioin 2 25 Ee EE EE de SE DE nie ates 15 Mounting instructions i 15 Opening the ScaleLink enclosure ee ee 16 Powar ie Arial OE teats 17 Power requ
7. NTINUOUSLY 6 Power up the wireless XR 4500TL display Verify the ScaleLink to XR connection the same way as in Example 1 32 ScaleLink 2 Installation 7 Test the switch The default condition for the switch contact open is a GREEN light When the switch contact is closed the light turns RED CLOSED Example 3 Indicator To Pc 2 Way Communication Equipment Scale Indicator PC 2 ScaleLink wireless transceivers Indicator Side 1 Ensure power is disconnected from the indicator and ScaleLink 2 Connect the indicator com port to the appropriate port on the ScaleLink RS232 to RS232 20mA to CLOOP etc 3 Apply power to the indicator and ScaleLink Enter the ScaleLink s Set Up mode and select Direct Connect from P1 0 4 Ensure the following parameters match those of the indicator ScaleLink 2 Installation 33 P1 1 Com Port P1 2 Baud Rate P1 3 Parity P1 4 Stop Bits 5 Exit Set Up mode PC Side 1 Ensure power is disconnected from the PC and ScaleLink 2 Connect the PC com port to the appropriate port on the ScaleLink This will usually be RS232 and a 9 pin connector may be required SCALELINK RS232 TERMINAL PC SERIAL PORT PIN 2 RX PIN 3 TX PIN 5 SIG GND 3 Apply power to the ScaleLink and boot the PC Enter the ScaleLink s Set Up mode and select Direct Connect from P1 0 4 Ensure the following parameters match those of the indicator P1 1 Com Port P1 2 Bau
8. available in Direct Connect mode Parameter 1 4 Stop bits direct connect only Set Stop Bits to match with the communicating device Only available in Direct Connect mode Parameter 1 5 Radio channel select Value Description Sets the radio frequency channel 0 5 If there are multiple point to point wireless installations at a given site each installation must have its own unique radio channel selected to prevent interference This parameter functions in both Auto Connect and Direct Connect modes 9 All components of the wireless system must be set to the same radio channel Example A ScaleLink set to channel 0 will communicate with a wireless Avery Weigh Tronix remote display also set to channel 0 problems from another radio site switching radio channels will most likely correct the problem eCG Ff ad If the wireless connection experiences interference ScaleLink 2 Installation 27 Parameter 1 6 Traffic light switch default Value Description Sets the function of the Traffic Light Switch In Auto Connect mode the ScaleLink sends a traffic light command in its output string based on this setting and the switch condition OFF No traffic light command characters are ever sent RED Switch OPEN normal Sends amp Dec 38 Switch CLOSED activated Sends Dec 42 GREEN Switch OPEN normal Sends Dec 42 Switch CLOSED activated Sends a
9. d Rate P1 3 Parity P1 4 Stop Bits 5 Exit Set Up mode Verify TX and RX LEDs are blinking as expected For example if the indicator is transmitting weight continuously its ScaleLink TX LED should be much more active than the other In this case the PC ScaleLink RX LED will be blinking rapidly with its TX LED only blinking when the occasional command is sent 34 ScaleLink 2 Installation 7 Troubleshooting amp error messages Unit won t power up Verify power source Breakers outlets adapters etc Check power connections to the ScaleLink board 9VDC terminal Display reads Err 1 Baud Rate Auto Learn has failed Verify the correct terminal RS 232 422 CLOOP is being used Verify cable connection to indicator TX to RX etc Verify that data is being CONTINUOUSLY transmitted to the ScaleLink from the indicator and that the data string contains numeric characters Display reads Err 2 Data String Auto Learn has failed Verify the correct terminal RS 232 422 CLOOP is being used Verify cable connection to indicator TX to RX etc Verify that a data string is being sent to the ScaleLink CONTINUOUSLY from the indicator and that the data string contains either an STX character ASCII 02 or a CR character ASCII 13 Display reads Err 3 The ScaleLink is receiving data on multiple communications ports Display reads Err 4 The Radio Module has not been detected Dashes acro
10. e some data loss 9600 bps K 9600 bps Figure 2 2 Data throughput 2 2 1 Approvals FCC Contains FCC ID MCQ XBPS3B The enclosed device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions i this device may not cause harmful interference and ii this device must accept any interference received including interference that may cause undesired operation IC Contains IC 1846A XBPS3B ScaleLink 2 Installation 13 2 3 Display amp LEDs Diagnostic display Processor status GreenRXLED N Red TX LED Display 6 digits 7 segments each In Auto Connect mode Displays the scale weight as auto learned from the connected indicator In Direct Connect mode Displays the number of characters received and or transmitted over the air by the ScaleLink s radio In Set Up mode Displays Set Up Menu parameters and settings For more information see Set up mode on page 24 Processor status LED The leftmost decimal point LED In Auto Connect mode Rapid blinking 3 times per second indicates that the ScaleLink is in Auto Learn mode attempting to interpret a data string Regular blinking Once per second indicates that the ScaleLink has successfully learned a data string and the processor is running properly in Direct Connect mode Indicates the processor is running properly Red TX LED Flashes each time a character is received from
11. enna 21 4 ScaleLink operating modes The ScaleLink has 2 modes of operation Auto Connect and Direct Connect 4 1 Auto connect mode Auto Connect is the default operation mode ScaleLink functions are simplified and optimized for connecting to Avery Weigh Tronix remote displays and other weighing devices In Auto Connect mode the ScaleLink receives data from a communicating device such as a weight indicator and uses the same Auto Learn Technology found in Avery Weigh Tronix remote displays to interpret the data format baud rate data bits parity amp stop bits and output string Once the data is received and learned the ScaleLink re organizes the data in real time and wirelessly transmits an enhanced output string complete with the scale weight status data traffic light control characters and other diagnostic information As a diagnostic aid the Auto Learned weight is displayed on the ScaleLink s display 4 2 Direct Connect mode 22 Direct Connect mode is most often used for two way radio communications and advanced networking applications The ScaleLink performs no Auto Learn so the communication port and settings must be entered manually Input Data from the ScaleLink Com port RECEIVE terminal is transmitted via the radio exactly as itis received Also any data picked up by the radio is transmitted via the ScaleLink Com port TRANSMIT terminal exactly as it was received Direct Connect mode must be enabled
12. indicator is not plugged in 2 Verify that indicator s power source will be able to meet the ScaleLink s minimum power requirements ScaleLink 2 Installation 17 3 Run an appropriate power cable through the strain relief and wire the indicator power to the 9VDC Terminal See Figure 3 4 amp the table below SCALELINK 9VDC TERMINAL INDICATOR POWER 8 to 12 Volts DC or COM 89 ra Check with your indicator s manufacturer regarding using piggy back power for the ScaleLink Transceiver 3 4 4 Communications wiring RS232 RS422 CLOOP av x 2 z SES x EERI e ies NEE NEE Figure 3 5 Communication terminals 9 18 ScaleLink 2 Installation 3 4 5 RS 232 Wiring 1 Ensure the ScaleLink and communicating device indicator are disconnected from power 2 Run the communication cable through the strain relief and wire to the RS232 Terminal See Figure 3 5 amp table below SCALELINK RS232 TERMINAL COMMUNICATING DEVICE RX TX TX RX OM 3 4 6 RS 422 Wiring 1 Ensure the ScaleLink and communicating device indicator are disconnected from power 2 Run the communication cable through the strain relief and wire to the RS422 Terminal See Figure 3 5 amp table below SCALELINK RS422 TERMINAL COMMUNICATING DEVICE RX TX RX TX TX RX TX RX SIG GND or COM ScaleLink 2 Installation 19 3 4 7 20 mA Curre
13. irements ee ee ER AR Re Re ee 17 AG adaptor EE EE EE Ee ee EA feats EE Ee oe 17 Indicator piggy back power ee ee 17 Communications Wiring i 18 RS 282 Winn Geis n alari EE E 19 RS 422 Wiring ee ER RA Re EE ee ee 19 20 mA Current Loop wiring passive only 20 20 mA Current Loop mode switch 20 Re assembly EE MERE ER iaia 21 Chapter 4 ScaleLink operating modes ii ee ee ER Re RR ee 22 Auto connect mode ee ER AR Re RA ee 22 Direct Connect mode ie se ee Ee nnn 22 Chapter 5 Set up mode ER RR AA Ge ee ee ee ee ee AR AR Re Re ee 24 ScaleLink 2 Installation 3 Entering set up mode se ke ee ee ke ee ee ee ke ee ee 24 Navigating set up parameters ee ee ee ee 24 Editing set up parameters esse se se ee ee ee ee ee ee 24 Exit amp save setsUD n Es Ek eg eie kg Re SEA Gee Se AE PES 25 Set up parameters Re Ee ee ee ee AR AR Re ee ee 26 Diagnostic DUttONS i 30 Chapter 6 ScaleLink examples ie ee ee ee ee AR RR de ee ee ee ee 31 Chapter 7 Troubleshooting amp error messages 35 4 ScaleLink 2 Installation 1 General information and warnings 1 1 About this manual This manual is divided into chapters by the chapter number and the large text a
14. mp Dec 38 Ex When set to GREEN the command character is sent when the switch is OPEN turning the light GREEN The command character for a RED light amp is sent when the switch is CLOSED This function is not available in Direct Connect mode For traffic light information please see the remote display service manual ey ag For more information on changing the traffic light when using Direct Connect mode consult the remote display service manual Parameter 1 7 Com Port Echo Out Value Description The ScaleLink Com ports may be set to automatically echo out All data received on the main com port RX input is re transmitted out the TX output of the port selected here This parameter is useful for diagnostics and for applications where the communicating device has run out of available Com ports 28 ScaleLink 2 Installation Parameter 1 8 Checksum Description Select whether or not to have a checksum to the end of the ScaleLink s output string when in Auto Connect mode The checksum may need to be removed for interfacing with older equipment Parameter 9 3 Set Up Lockout This parameter acts as a security feature to prevent accidental changes to the ScaleLink set up When set to LOC no Set Up Parameters can be changed Set this parameter to OFF to allow changes Parameter 9 8 Test Display Description Cycles through display digits followed by the software
15. ndows 1 6 Training Do not attempt to operate or complete any procedure on a machine unless you have received the appropriate training or read the instruction books To avoid the risk of RSI Repetitive Strain Injury place the machine on a surface which is ergonomically satisfactory to the user Take frequent breaks during prolonged usage ScaleLink 2 Installation 9 1 7 FCC and EMC declarations of compliance United States This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Canada This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications Le pr sent appareil num rique n met pas de bruits radio lectriques d passant les limites applicables aux appareils num riques de la Classe
16. nt Loop wiring 1 Ensure the ScaleLink and communicating device indicator are disconnected from power 2 Run the communication cable through the strain relief and wire to the CLOOP Terminal See Figure 3 5 amp table below SCALELINK CLOOP TERMINAL COMMUNICATING DEVICE TX TX 3 4 8 20 mA Current Loop mode switch After the current loop is wired ACTIVE ACTIVE or PASSIVE mode must be selected via the switch on the ScaleLink board SW 3 N Select ACTIVE if the ScaleLink is required to supply the 20 mA current LUI to the communicating device indicator PASSIVE Select PASSIVE if the communicating device indicator supplies the current to the ScaleLink If unsure of these requirements check the device s manual iS is EE LE EE EE EL ET ag The ScaleLink converts 20 mA Current Loop transmissions to RS 232 before transmitting them This is a one way operation The ScaleLink will NOT convert received RS 232 signals to 20 mA 20 ScaleLink 2 Installation 3 4 9 Re assembly ScaleLink 2 Installation Tighten the strain reliefs to ensure a moisture tight seal Verify the all cables and wires are secure and that the radio module is seated properly in the terminals Place the front cover on the unit and secure with the four screws and sealing washers Ensure the rubber washer on the radio module s SMA connector is creating a seal against the main enclosure and screw on the ant
17. ot come on verify that the indicator is outputting CONTINUOUSLY 5 Power up the wireless AWT display Verify that the remote display is correctly displaying Weight Measurement Units kg Ib and Weighing mode GR NT as shown on the scale indicator 6 AWT displays do not transmit any data If the ScaleLink s RX light green LED flashes or if the display s readings are incorrect erratic or very slow a different radio channel may need to be selected ScaleLink 2 Installation 31 Example 2 Indicator to XR 4500TL Traffic Light Control Equipment Scale Indicator XR 4500TL display with integrated wireless option ScaleLink wireless transceiver Dry contact Push to make switch 1 Ensure power is disconnected from the indicator and ScaleLink 2 Connect the indicator com port to the appropriate port on the ScaleLink RS232 to RS232 20mA to CLOOP etc 3 Connect a dry contact push to make switch to the SWITCH terminal on the ScaleLink DO NOT supply any external power to this terminal nO 3 ScaleLink Switch Dry Contact Terminal Switch 4 Apply power to the indicator and ScaleLink The ScaleLink will take a moment to Auto Learn indicator s output string and begin transmitting 5 The scale weight will be displayed on the ScaleLink s display and the TX light red LED will blink to indicate the radio is transmitting If the TX light does not come on verify that the indicator is outputting CO
18. set up information is saved and the display resets itself for normal operation a v SAJE IESEE Ly v ScaleLink 2 Installation 25 5 5 Set up parameters Parameter 1 0 Functional mode Value Description AUTO lt Selects the ScaleLink s operating mode DIRECT Auto Auto Connect mode Direct Direct Connect mode For information on these two operating modes see ScaleLink operating modes on page 22 Parameter 1 1 Com port direct connect only Value Description RS 232 lt Select the Com port for connection to the communicating device RS 422 C LOOP NOTE If 20 mA Current Loop CLOOP is selected be sure to set the SW3 switch on the PCB to ACTIVE or PASSIVE as required For more information see 20 mA Current Loop mode switch on page 20 Only available in Direct Connect mode Parameter 1 2 Baud rate direct connect only Value Description Set the Com port baud rate to match with the communicating device Only available in Direct Connect mode If the Com port baud rate is set over 9600 some loss of data may occur SECC The maximum data throughput of the radio transmission is 10kbs 26 ScaleLink 2 Installation Parameter 1 3 Data bits amp parity direct connect only Value Description Set Data Bits and Parity to match with the communicating device 8 non 8 Data bits No parity 7 Evn 7 Data bits Even parity 7 Odd 7 Data bits Odd parity Only
19. ss the display Communications have failed or been interrupted after Auto Learn in Auto Connect mode Verify cable connection to indicator Verify indicator serial port function Processor Status LED light NOT blinking Consistently OFF or ON Verify that unit has power If so cycle the power If the Status light remains OFF the processor is not running Processor Status LED blinking 3xsecond for over 1 min in Auto Connect mode The ScaleLink is not able to Auto Learn the data string or baud rate See Error Messages Err 1 and Err 2 TX LED doesn t flash The ScaleLink is not receiving data from the com ports RX LED doesn t flash ScaleLink 2 Installation The ScaleLink is not receiving data over the air from another ScaleLink 35 36 ScaleLink 2 Installation Avery Weigh Tronix a TT Avery Weigh Tronix USA 1000 Armstrong Dr Fairmont MN 56031 USA Tel 507 238 4461 Fax 507 238 4195 Email usinfo awtxglobal com www wtxweb com Avery Weigh Tronix UK Foundry Lane Smethwick West Midlands England B66 2LP Tel 44 0 8453 66 77 88 Fax 44 0 121 224 8183 Email info awtxglobal com www averyweigh tronix com
20. t the top of a page Subsections are labeled as shown by the 1 1 and 1 1 1 headings The names of the chapter and the next subsection level appear at the top of alternating pages of the manual to remind you of where you are in the manual The manual name and page numbers appear at the bottom of the pages 1 1 1 Text conventions Key names are shown in bold and reflect the case of the key being described This applies to hard keys and onscreen or soft keys Displayed messages appear in bold italic type and reflect the case of the displayed message 1 1 2 Special messages Examples of special messages you will see in this manual are defined below The heading words have specific meanings to alert you to additional information or the relative level of hazard ELECTRICAL WARNING THIS IS AN ELECTRICAL WARNING SYMBOL ELECTRICAL WARNINGS MEAN THAT FAILURE TO FOLLOW SPECIFIC PRACTICES OR PROCEDURES MAY RESULT IN ELECTROCUTION ARC BURNS EXPLOSIONS OR OTHER HAZARDS THAT MAY CAUSE INJURY OR DEATH CAUTION This is a Caution symbol Cautions give information about procedures that if not observed could result in damage to equipment or corruption to and loss of data ScaleLink 2 Installation 5 EY NOTE This is a Note symbol Notes give additional and important information hints and tips that help you to use your product 1 2 Installation PERSONNEL FOR SERVICE CAUTION Installation configura
21. tion and servicing are only to be done by qualified service personnel as authorized by Avery DANGER RISK OF ELECTRICAL SHOCK NO USER SERVICEABLE PARTS REFER TO QUALIFIED SERVICE O Weigh Tronix ScaleLink 2 Installation 1 3 Electrical installation CAUTION Scale Service Technicians handling ScaleLink PCBs must observe proper electrostatic discharge ESD handling procedures CAUTION The power cable must be connected to an earth grounded electrical outlet The electrical supply must have a circuit breaker with an appropriate rating to protect from over current conditions For your protection all electrical 110V or 230V equipment used out of doors or in wet or damp conditions should be supplied from a correctly fused power source and protected by an approved ground fault protection device RCD GFCI etc IF INDOUBT SEEK ADVICE FROM A QUALIFIED ELECTRICIAN WARNING ONLY APPROVED ANTENNAS MAY BE USED WITH THIS DEVICE TO ENSURE COMPLIANCE CONTACT THE FACTORY FOR MORE INFO THIS EQUIPMENT IS APPROVED ONLY FOR MOBILE AND BASE STATION TRANSMITTING DEVICES ANTENNA S USED FOR THIS TRANSMITTER MUST BE INSTALLED TO PROVIDE A SEPARATION DISTANCE OF AT LEAST 20 CM FROM ALL PERSONS AND MUST NOT BE CO LOCATED OR OPERATING IN CONJUNCTION WITH ANY OTHER ANTENNA OR TRANSMITTER 1 3 1 Pluggable equipment Pluggable equipment must be installed near an easily accessible socket outlet ScaleLink 2 Installation
22. ure the unit is disconnected from power 2 Remove the four screws with sealing washers from the front of the enclosure 3 Guide the front cover away from the enclosure Be sure to mind the internal connections RADIO RADIO TO 6 O be ave 9VDC SWITCH RELAY RS232 RS422 CLOOP 1 S535 6 23 ES O S OO Ol Sl HE EER BRL N ScaleLink PCB LED display Configuration buttons Diagnostic buttons 20 mA Active Passiv switch 20 mA Current Loop terminal RS422 terminal RS232 terminal Traffic light switch terminal 0 9V power input terminal BOONDAAWNS Figure 3 2 Inside the ScaleLink 16 ScaleLink 2 Installation 3 4 Power wiring 3 4 1 Power requirements The ScaleLink requires 8 Volts DC at 250 mA at minimum The ScaleLink may be powered by the optional AC Adaptor or via piggy back power from the indicator or other communicating device SCALELINK POWER REQUIREMENTS Voltage 8 to 12 Volts DC Current 250 mA minimum Figure 3 3 Power Terminal 3 4 2 AC adaptor 1 Ensure the AC Adaptor is not plugged in 2 Run the power cable through the strain relief and wire to the 9VDC Terminal See Figure 3 4 amp the table below SCALELINK 9VDC TERMINAL AC ADAPTOR BLACK WIRE WHITE WIRE Figure 3 4 Power terminal 3 4 3 Indicator piggy back power 1 Ensure the
23. version Parameter 9 9 Reset Defaults ABORT lt Resets Set Up Parameters to factory defaults Select RESET __ Abort to exit this parameter without resetting ScaleLink 2 Installation 29 5 6 Diagnostic buttons RESET Cycles power to the ScaleLink RESET TEST In Auto Connect mode sends a test string g counting up 0 to 9 for transmission verification on the other side Press twice for a slower TEST transmission and a third time to exit the test STATUS Press to quickly display Software version Radio Channel Selected Com port Baud STATUS Rate and Operating mode 30 ScaleLink 2 Installation 6 ScaleLink examples Follow these examples of common ScaleLink applications Remember the ScaleLink can be used to replace any serial communication cable Example 1 Scale indicator To AWT remote display Equipment Scale Indicator AWT remote display with integrated wireless option ScaleLink Wireless Transceiver 1 Ensure power is disconnected from the indicator and ScaleLink 2 Connect the indicator com port to the appropriate port on the ScaleLink RS232 to RS232 20mA to CLOOP etc 3 Apply power to the indicator and ScaleLink The ScaleLink will take a moment to Auto Learn indicator s output string and begin transmitting 4 The scale weight will be displayed on the ScaleLink s display and the TX light red LED will blink to indicate the radio is transmitting If the TX light does n
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