Sentry - ESD Systems
Contents
1. 1 User Manual 1 CD containing the SENTRY Observer Software etc Options a Single or Double Foot Plate including cable b RS485 Network Node Host including 12 volt DC Regulated Power Supply and Terminating Connector for last slave on network c RS485 Network Node Slave including 12 volt DC Regulated Power Supply Sentry to Network Node power lead 2 metres d Optical Barcode Reader The DC Regulated Power Supply is 12 Volts for Sentry units with a serial interface or 5 Volts for units with a built in Ethernet Network RJ45 Interface Sentry Manual V2 6 June 2000 Page 7 of 61 Installation Installation of your SENTRY Static Control and Monitoring System involves fixing the main unit to a wall or other smooth vertical surface and making the following connections please refer to Fig 1 Connect the DC regulated power supply to the DC input socket Connect the ground footplate if used to mini Din or 4mm sockets Connect the jack plug end of the serial data lead to the jack socket Connect the other end of the serial data lead to a COM port of the PC running the Observer software If an external reader is to be used connect it to the 9 way DIN socket If required additional connections can be made to the voltage free relay contacts Switch on the DC supply the unit should power up in this sequence Some of the status indicators or ENTER ID light will illuminate for approximately 2 seconds and then exti2. System Modifications Using the Sentries icon additional Sentries can be included in the system configuration and the test parameters can be changed NOTE After a new Sentry is added to the system or the test parameters are changed the software will update the units A warning message will be displayed so that stored data can be retrieved as this will be deleted when the Sentry is initialised Sentry Manual V2 6 June 2000 Page 22 of 61 Operating Instructions Basic Operation 2 Sentry Manual V2 6 June 2000 Page 23 of 61 Basic Operation Before using your SENTRY Static Control amp Monitoring System for the first time set the Pass Fail limits time date log number etc Refer to Section 3 SENTRY Observer Software for details of how to do this Using your SENTRY couldn t be simpler Just follow these steps Testing Wrist Strap Continuity Connect the wrist strap to the reference connector on the front panel of the tester See Fig 1 Touch and maintain contact with one of the silver touch pads or handles if fitted Using the keypad or card reader enter your operator ID number followed by Enter Note You only have 15 seconds to enter your ID after which the unit will emit a long tone and reset The TEST indicators will light after you have pressed Enter If less than the correct number of ID characters are entered a buzzer sounds and the ID must be entered again Maintain contact with the touch pad unt
3. RS232 12V DC RS485 12V DC RS485 12V DC RS485 12V DC RS485 Control PC SENTRY 1 SENTRY 2 SENTRY N TERMINATOR SENTRY RS485 NETWORK CONNECTIONS Observer LINK PSU PSU PSU PSU Figure 2 RS232 RS232 12V DC 12V DC RS 485 RS 485 IN TO PC TO SENTRY SENTRY NETWORK HOST SENTRY NETWORK SLAVE TO SLAVE 1 IN OUT TO NEXT SLAVE FROM HOST OR SLAVE OR TERMINATOR SENTRY RS485 NETWORK NODE CONNECTIONS LINK PREVIOUS Figure 3 NOTE Each SLAVE module contains a rotary switch to set its network address in the range 1 to F Sentry Manual V2 6 June 2000 Page 12 of 61 Installing the Sentry Observer Software The Sentry Observer Software will work on any PC that has Windows 95 98 or NT and a free COM port for the Sentry hardware to connect to If you are using a local network to connect the Sentry units then instead of a free COM port you need to use a PC with a NIC Network Interface Card That PC must have TCP IP protocol installed To install the software insert the Sentry Observer Software CD into your PC s CD drive The CD should auto run but if not then run the SETUP program on the CD To do this on Windows NT 3 51 from the Program Manager select FILE and then RUN Type A SETUP in the box then press OK On Windows 95 98 NT4 under the START menu select RUN and type D SETUP replace D with the drive letter of your CD in the Open box then press OK The s
4. ones click on Skip when you are done For each new Sentry you will be shown the following screens Enter the location some text helping you determine which Sentry the software is referring to Sentry Manual V2 6 June 2000 Page 18 of 61 The ID is not the same as an RS485 or Local Area Network address The ID enables the software to confirm that the correct Sentry unit is located at the correct address or is plugged in to the correct serial port The next screen varies according to the connection type Here is the one for a Local Area Network Sentry Manual V2 6 June 2000 Page 19 of 61 The next screen offers Sentry specific settings which override the system wide default settings specified earlier Sentry Manual V2 6 June 2000 Page 20 of 61 After this step you will be returned to the earlier screen where you chose to add a new Sentry Repeat for all new Sentries click on Finish when you are done Sentry Manual V2 6 June 2000 Page 21 of 61 Step 2 For Sentry units permanently connected to a PC a pre set Automatic Scheduled Download can be established The Scheduled Download can be set for multiple downloads each day or as a daily weekly or monthly operation Using the Schedule icon users can define the time for each download to take place NOTE Scheduled Download acts on all Sentries known to the software Step 3 Using the Staff icon button names can be entered against all Staff IDs
5. 59 Sentry Manual V2 6 June 2000 4 How This Manual Is Organised Your SENTRY User s Manual is divided into five sections Getting Started Operating Instructions SENTRY Observer Software Engineering Mode and Hardware Technical Reference Getting Started contains information that is essential for proper installation and operation of the SENTRY Static Control and Monitoring System Please read this section before using the product It explains how to install the SENTRY Observer Software on your PC The Operating Instructions section explains how to use your SENTRY system Section three SENTRY Observer Software explains how to use the comprehensive control and analysis features it provides Section four Engineering Mode explains how the in built debug firmware can be used to control and fault find the system at a low level Section five the Hardware Technical Reference gives technical information regarding the SENTRY and contains data on the SENTRY I O connectors Sentry Manual V2 6 June 2000 Page 5 of 61 Getting Started General Introduction Installation Installing the SENTRY Observer Software 1 Sentry Manual V2 6 June 2000 Page 6 of 61 General Introduction What Is the SENTRY The system is designed to test and record the integrity of anti static wrist straps and footwear or foot straps worn by personnel working within a static protected area T
6. 61 Terminal Program The terminal program is provided for direct access to the Sentry unit s This function is not required in normal operation SENTRY is fitted with an RS232 serial port See Fig 1 which may be connected to a terminal or computer to allow test results to be displayed as they are gathered Such a terminal also provides 2 way communication with the Sentry firmware via the Control Menu This allows setting of parameters such as date and time pass limits etc and the inspection of logged results Please note that if you use this terminal window to change settings in the Sentry unit those settings may be changed back again when the Observer software next downloads data from the Sentry unit The Observer software is the primary store for all settings and you should normally use the SETUP function and not the Terminal Window to change any settings The engineering firmware refers to the measurement nodes as Pods This is necessary because of the low level at which the program works The normal interpretation is as follows Pod 1 Front panel wrist strap connector Pod 2 Left footplate Pod 3 Right footplate Sentry Manual V2 6 June 2000 Page 49 of 61 Engineering Mode Using the SENTRY Control Menu Engineering mode is accessed via a terminal program communicating directly with a Sentry unit A suitable terminal program is provided in the Sentry installation directory The SENTERM EXE program allows the setting of param
7. Manual V2 6 June 2000 Page 50 of 61 Using the SENTRY Control Menu To enter the Control Menu press the TAB key on the computer keyboard The menu will appear in the following format Sentry Test System Control Menu 19 30 23 11 95 Select function required 1 Read most recent pod records 2 Read log 3 Set date amp time 4 Define Pods 5 Advanced functions 6 Exit Control menu The date and time shown at the top are those which will be attributed to any changes made during the opening of the menu no matter how long the menu is open Note Normal system operation is suspended while the Control Menu is open Sentry Manual V2 6 June 2000 Page 51 of 61 Menu Items 1 Read most recent pod records Displays results from the auxiliary log mentioned above Last stored result was ID 123 Open 10 0 Meg Open 11 43 27 07 97 2 Read log Displays results from the main log after the number of results to be output has been entered in response to The log was initialised at 11 41 27 07 97 and has 10 record s Enter number of records to print Enter the number of records required or 0 to start from beginning The response will appear in the following format LOG DATA Printing 1 records starting 27 07 97 ID 123 2 39 Meg 10 0 Meg 5 67 Meg 11 43 27 07 97 END OF DATA Press any key to continue If there is more than one screenful results are displayed in groups of 20 at a time separated by Press any key to continue or ESC to
8. Sentry Static Control amp Monitoring System User Manual Sentry Manual V2 6 June 2000 2 Issue 2 6 June 2000 Expodata Technology Services Limited makes every effort to ensure that these documents are accurate However because we are always striving to improve our products we are unable to guarantee the accuracy of the contents of these documents after the date of publication and we disclaim liability for any changes errors or omissions No reproduction of these documents in any form is allowed without the express written permission of Expodata Technology Services Limited 1998 1999 2000 Expodata Technology Services Limited All rights reserved Printed in the UK Expodata Technology Services Limited Unit 7 11 15 Francis Avenue Bournemouth Dorset BH11 8NX England Telephone 44 0 1202 593777 Fax 44 0 1202 593455 Email sales sentry uk com service sentry uk com Web site www sentry uk com Sentry Manual V2 6 June 2000 3 Table of Contents HOW THIS MANUAL IS ORGANISED 4 GETTING STARTED 5 General Introduction 6 Installation 7 Installing the Sentry Observer Software 12 OPERATING INSTRUCTIONS 22 Basic Operation 23 SENTRY OBSERVER SOFTWARE 25 SENTRY Observer Software 26 ENGINEERING MODE 47 Using the SENTRY Control Menu 50 Using the SENTRY Control Menu Advanced Functions 53 HARDWARE TECHNICAL REFERENCE 57 Hardware Specifications 58 I O Connections See Fig 1
9. stop until the last screen when the message is END OF DATA Press any key to continue Sentry Manual V2 6 June 2000 Page 52 of 61 3 Set date amp time Sets date and time into the system s internal clock Current date amp time are 21 11 95 15 01 49 Enter the required date in the form ddmmyy 301095 Enter the time in the form hhmmss 12 00 00 30 10 95 12 00 00 Note that entering a carriage return in response to either prompt will cause the current value to be retained e g Current date amp time are 30 10 95 12 02 00 Enter the required date in the form ddmmyy RETURN 30 10 95 Enter the time in the form hhmmss RETURN 12 02 00 4 Define pods Allows the wrist or foot nodes to be excluded from the scan sequence if not required Active pods are 1 2 Enter the numbers of the pods in use in any order then press Return Just press Return to leave things as they are 1 Please confirm active pods will be 1 Enter Y to accept N to re enter or ESC to abort Y Active pods are 1 Pods may also be re introduced into the sequence Active pods are 1 Enter the numbers of the pods in use in any order then press Return Just press Return to leave things as they are 123 Please confirm active pods will be 1 2 3 Enter Y to accept N to re enter or ESC to abort Y Active pods are 1 2 3 5 Advanced functions Please see separate section on use of Advanced Functions 6 Exit con
10. 3 Right footplate This program ONLY works with a direct RS232 connection You must connect the Sentry directly and not via an RS485 or Local Area Network Choose the serial port if you are not using COM 1 and the program will automatically place the Sentry in Verify mode You can then verify resistance values using the first Enabled Pod Click on Next Pod to select the next enabled pod Note that only pods that have been enabled i e on the Sentry screen in the Observer software can be verified For more information on Verify see section 4 Terminal Engineering Mode of this manual Verification Procedure It is required that calibrated resistors are used for verification testing These can be those in the optional SENTRY Verification Module or individual precision resistors The procedure is straightforward requiring the operator simply to place a calibrated resistance between the touch plate and a reference point i e the wrist strap connector or footplate connector s Note that the reading taken is subject to the resolution of the system No calibration adjustment is provided See Section 5 for Hardware Specification If the Audit procedure indicates the unit is out of tolerance it should be returned to your distributor for repair Sentry Manual V2 6 June 2000 Page 47 of 61 Engineering Mode Terminal Program Using the SENTRY Control Menu Control Menu Advanced Functions 4 Sentry Manual V2 6 June 2000 Page 48 of
11. MOhms 5 New LOW limit is 0 50 Meg Enter new HIGH limit MOhms 50 New HIGH limit is 50 2 Meg Note that the system automatically adjusts Pass Fail limits to values that are compatible with the measurement circuitry resolution For example Setting the HIGH limit to 50 the system automatically sets the limit to 50 2 At a reading of 50 M the resolution of the system is approximately 300K See Section 3 Hardware Specification for system resolution 3 Set pass limits for pods 2 amp 3 Allows the setting of Pass Fail limits for the footstrap test nodes and operates exactly as above Sentry Manual V2 6 June 2000 Page 55 of 61 4 Set log identifier The log identifier is a user definable number between 0 and 255 which may be used for any purpose such as keeping logs in sequence or where more than one unit is in use relating a log to a particular SENTRY unit The log identifier is displayed in the Advanced Functions heading and is sent in the header information of a system dump see page 23 but plays no other part in the logging process Current log identifier is 0 Enter new identifier between 0 and 255 12 Control Menu Advanced Functions Log No 12 Select function required 1 Initialise log 2 Set pass limits for pod 1 3 Set pass limits for pod 2 amp 3 4 Set log identifier 5 Verify 6 Set ID parameters 7 Set memory full option 8 Exit Advanced Functions 5 Verify The Verify function forces continuous measur
12. NAL Lantronix Ethernet Network Interface Unit 1 a Using the supplied serial cable connect the Sentry unit to the Lantronix Ethernet Network Interface Unit b Using a standard network patch cable with RJ45 connectors connect the Lantronix Ethernet Network Interface Unit to the network hub c Connect the 12V DC Power Supply to the Sentry unit d Connect the 5V DC Power Supply to the Lantronix Network Interface Unit Repeat for all Sentry units 2 Connect the PC to the network using a standard RJ45 patch cable Installation Procedure for Local Network TCP IP with INTERNAL Lantronix Ethernet Network Interface Board 1 a Using a standard network patch cable with RJ45 connectors connect the Sentry unit to network hub b Connect the 5V DC Power Supply to the Sentry unit Repeat for all Sentry units 2 Connect the PC to the network using a standard RJ45 patch cable Sentry Manual V2 6 June 2000 Page 9 of 61 Figure 1 Alternative footplate connectors 4mm banana sockets Footplate mini DIN Voltage Free Contacts Serial data jack socket 12V DC Regulated supply Reader Swipe Card Sentry Manual V2 6 June 2000 Page 10 of 61 RJ45 LAN Connector 5V DC Regulated supply Footplate mini DIN Voltage Free Contacts Reader Swipe Card Serial data jack socket not used if network used Sentry Manual V2 6 June 2000 Page 11 of 61 HOST SLAVE 1 SLAVE 2 SLAVE N RS232 RS232 RS232
13. Setup screen see later Note If you delete a Sentry then measurements made at that unit will be lost The software warns you of this and asks you to confirm that this is what you really want to do Sentry Manual V2 6 June 2000 Page 36 of 61 The FACTORY DEFAULTS mode resets the Sentry unit to its default factory settings The INITIALISE function initialises the Sentry unit i e sets the Staff ID length etc and clears the log The PEEK function lets you inspect the current settings at a particular Sentry unit and then watch any activity i e measurements in real time Click on Peek and you will see the following screen Any activity will be displayed in the black terminal window Sentry Manual V2 6 June 2000 Page 37 of 61 Staff This button displays the list of Staff people who can use the Sentry units The functions are the same as for the Sentries screen All you need to do is enter the full name against each Staff ID If a Staff ID is no longer in use so you no longer want to download measurements made by that member of staff then modify it and untick the Active box Sentry Manual V2 6 June 2000 Page 38 of 61 You can also enter the Full Name of the member of staff plus any other information in the Notes box When you tab to or click on the latter whilst modifying a staff entry a text editor pops up to allow you to change the font etc Click on File Exit to lea
14. V2 6 June 2000 Page 57 of 61 Hardware Technical Reference Hardware Specifications I O Connections 5 Sentry Manual V2 6 June 2000 Page 58 of 61 Hardware Specifications SENTRY Technical Specifications Communication Port and Bar Code Reader Settings Baud Rate 19200 Data Bits 8 Stop Bits 1 Parity None Flow Control None Network Information Standard RJ45 connector TCP IP protocol General Chip Technology Advanced CMOS Internal Construction Three Printed Circuit Boards Ribbon Cable Interconnections Power Supply External Regulated 12V DC 1A adapter 5V if built in network interface Dimensions 267 x 185 x 80 mm W x L x H System Resolution 1135 M 20 0 500 M 10 08 250 M 5 35 100 M 2 31 50 M 1 26 40 M 1 05 35 M 0 94 30 M 0 84 20 M 0 63 10 M 1 69 5 M 1 41 1 M 2 18 0 5 M 3 50 Sentry Manual V2 6 June 2000 Page 59 of 61 I O Connections See Fig 1 RS232 Socket DC Input Socket The version of Sentry that requires a 5V PSU the version with internal network interface has a 2 5mm power jack the 12V PSU will not fit into the 5V socket Bar code Reader Input TX 5V GND AUX RX RX GND PHONEJACK STEREO 3 5MM POWER JACK 2 1MM D TYPE 9 PIN SOCKET SUPPLY GND 5 9 4 8 3 7 2 1 6 AUX TX Sentry Manual V2 6 June 2000 Page 60 of 61 RJ45 S
15. de In order to restore the data perform a download as usual but hold down the SHIFT key when you click on the Download button Sentry Manual V2 6 June 2000 Page 42 of 61 Schedule This displays and allows you to edit the schedule for when the system will automatically download data from all the attached Sentry units or export new measurements to a file This displays and allows you to edit the automatic schedule The schedule can be used to download data from all the attached Sentry units and also to perform automatic exports of new measurements Provided the Observer software is running when a scheduled event arrives then the event will start automatically and with no user intervention Messages on the status bar will show what is happening but you will be able to use the software as normal If a scheduled event is missed because the Observer software was not running then the software will perform the event when it is next started You can set as many events as you wish Events can be scheduled for every day weekdays Monday through Friday the same day each week or the same date each month Download events cause the system to download from all attached Sentry units Export events cause the system to export all new measurements to a specified text file That file is created if necessary If the file already exists then it is appended to The format of the file is the same as in the manual export function see the section on the Readin
16. described in Section 1 Installation of this manual or may be connected to a Local Area Network Intermittent Connection The intermittent connection requires that you manually make a connection before pressing the Download button You can use any serial port from COM1 to COM8 to connect to your Sentry unit s Sentry Manual V2 6 June 2000 Page 45 of 61 Min Max Values The set up screen includes resistance values for the minimum and maximum allowed Limits must be within the range 0 5 to 45449 0 MOhms with the upper greater than the lower Actual values will be rounded to the nearest whole number of bits within the measurement system e g setting a value of 100M results in an actual limit of 101 98M being used Default settings are 0 5M and 35 28M These values are defaults The values for individual Sentry units can be set specifically or can be set to use the defaults on this set up screen see the previous page for the Sentry Set up screen for more details Sentry Manual V2 6 June 2000 Page 46 of 61 SENTRY Verify This is accessed via a separate icon Sentry Verify This is a read only function that enables the user to verify the measurement accuracy of any Sentry unit The engineering firmware refers to the measurement nodes as Pods This is necessary because of the low level at which the program works The normal interpretation is as follows Pod 1 Front panel wrist strap connector Pod 2 Left footplate Pod
17. eleted once successfully downloaded If you have more than one Sentry unit then the above screen will appear first Using the drop down list choose the Sentry unit from which to download Click on the button when you re done If you have just one Sentry unit or your Sentry units are permanently connected then the software will skip the above screen The next screen tells you which COM port to use which will be the same one that you configured in the set up and or Sentry screens Sentry Manual V2 6 June 2000 Page 41 of 61 Click on the button when you have connected the Sentry unit to the PC The software will then attempt to communicate with the Sentry If this communication fails perhaps because the serial cable was not inserted correctly then the software will display the following message before allowing you to try again All communications failures are logged and can be seen on the log screen see below For systems with more than one Sentry unit the system will then continue by attempting to communicate with the next unit Once communications have been established then the system will step through a procedure of downloading data from the Sentry clearing the Sentry so that it can accept more measurements and uploading settings and the current time and date If for some reason the previous data downloaded from any of the Sentry units has been lost this data can be retrieved provided that no new measurements have been ma
18. elimited file You will be asked if you want to export just the selected readings or all readings from the database You will then be asked to choose the name and location of the file to create After choosing or typing in the name of the file click on the Save button The system will then create the file and copy to it all the records you chose The file is a standard comma delimited file with double quotes around strings and a title line at the beginning e g SentryLocation UserCode TimeDate Arm LeftLeg RightLeg Failed Sentry 2 123 29 03 1999 9 16 00 2 566 PASS Sentry 2 123 29 03 1999 9 22 00 4 057 PASS Sentry 2 123 29 03 1999 9 25 00 1 235 PASS You can also schedule automatic exports on the Schedule screen Such exports are to the same format as above When the automatic export runs it creates the exported file if it does not exist otherwise it appends data to it The automatic export includes only new measurements captured since the previous automatic export Sentry Manual V2 6 June 2000 Page 30 of 61 Click on Backup to backup the entire database to diskette Zip or other target device You will be asked to provide a target location for the backup Backups to diskettes will ask for further diskettes if the amount of data is too large for a single diskette However data is compressed before storage using the standard PKZIP WinZip format and a great many readings will fit on a single
19. ements to be made from a single node and is intended for use with the SENTRY Verification Module When this mode is first entered the selected pod will be the first one in the current scan sequence Pressing the SPACE BAR causes the next pod in the sequence to be selected Press the ESC key to exit Verify mode Typical displays for Verification Module switch settings Bit pattern Pod Value Hex Pod 1 Open circuit 00H Pod 1 50 Meg 3F4H Pod 1 1 00 Meg 38EH Pod 1 10 0 Meg 144H Pod 1 19 9 Meg BEH Pod 1 30 0 Meg 86H Pod 1 35 2 Meg 74H Pod 1 40 6 Meg 66H Pod 1 50 2 Meg 54H Pod 1 153 1 Meg 1DH Pod 1 249 1 Meg 12H Sentry Manual V2 6 June 2000 Page 56 of 61 6 Set ID Parameters Default parameters are set for ID to be taken from last 3 characters of string To change parameters Enter new number of characters 3 to 8 e g 4 If string entered is longer than ID length then user can choose to read the first or last characters of the ID string For First or Last characters select F or L 7 Set Memory Full Option User can select S or C to S top testing when memory is full and alarm or C ontinue testing without logging test results Note that when the stop on full option is chosen the red LEDs on the Sentry will flash and the unit will not be available for normal use until the log has been cleared 8 Exit Advanced Functions Closes the advanced function sub menu and returns to the Control Menu Sentry Manual
20. eters such as date and time pass limits etc and the inspection of logged results The engineering firmware refers to the measurement nodes as Pods This is because of the low level at which the program works The normal interpretation is as follows Pod 1 Front panel wrist strap connector Pod 2 Left footplate Pod 3 Right footplate When the SENTRY is first powered up the following typical opening screen is sent to any terminal connected to the RS232 port Sentry Static Control and Monitoring System Power up at 17 18 28 11 95 The log was initialised at 21 13 08 11 95 The log currently holds 2 record s out of a maximum of 1312 The last timecheck before this restart was at 17 18 25 11 95 User ID is the last 3 characters entered Active pods are 1 2 The main Sentry log will hold more than 2400 entries in chronological order The first entry in the log is always an initialisation record such as Log initialised at 21 12 08 11 95 NB The actual number of records the log will hold depends on the number of characters in the ID string More characters means less records The remainder will be test results such as 12345678 1 39 Meg 2 06 Meg 3 68 Meg 18 44 10 11 95 abcdefgh 2 00 Meg 3 65 Meg 7 56 Meg 18 45 10 11 95 In addition to the main log there is an auxiliary log that holds only the last test result This makes it easy to find the identity of the last operator tested and the test result without having to search the main log Sentry
21. etup program will install the software and create a program icon to run it You will be asked to re boot the machine please do so before using the software System Set up Step 1 Wizard Before use the system configuration must be defined and the test parameters set for each Sentry unit Start the Wizard Start button then Programs then Sentry then Sentry Wizard This is the first screen Sentry Manual V2 6 June 2000 Page 13 of 61 Click on Next to continue You can cancel at any time using the Cancel button You can also redo a step by clicking on Previous Once you click on Next the second screen appears Enter your company name as requested and then click on Next Sentry Manual V2 6 June 2000 Page 14 of 61 Enter the resistance limits as explained then click on Next Sentry Manual V2 6 June 2000 Page 15 of 61 Again enter the requested information and click on Next All of your choices can be changed later either by re running the Wizard or by using the various setup functions with Sentry Observer itself Choose the connection type according to the type of system you have purchased Sentry Manual V2 6 June 2000 Page 16 of 61 Now choose the serial port You can ignore this step if you are using RS485 or a Local Area Network Sentry Manual V2 6 June 2000 Page 17 of 61 The screen above shows any Sentry units that are already entered Click on Add to add any new
22. formatted diskette Please note that backup media must be formatted Sentry Observer does not do this for you Click on Restore to restore a previously made backup Click on Delete Old to delete old readings You will be asked for the date of the oldest readings you wish to keep any older readings will be deleted Make sure that you have made a backup of your data first if there is any chance that you will need it again You can delete individual readings by selecting them and then holding down Ctrl whilst you press the DEL key Sentry Manual V2 6 June 2000 Page 31 of 61 Graphs This button displays the stored readings in a graph Click on Sentry To Show to choose either a specific Sentry unit or All to include data measured at all units Click on the Draw button when you want to update the graph Click on User To Show to choose a specific user Click on the Draw button when you want to update the graph Click on the From and To dates to choose the date range If you do not do this then data will be shown from all available dates You can either type in the dates or choose from a calendar that drops down when you click on the box The calendar is an easy way to select the date by pointing and clicking Click on the Draw button when you want to update the graph Staff ID readings to display Sentry readings to display Range of dates to display Click here t
23. gs screen Sentry Manual V2 6 June 2000 Page 43 of 61 Log This function displays the system log This includes informational messages e g Download occurred at plus warnings e g Failed to communicate with Sentry and any program errors You can choose which errors to display You can clear the error log at any time however there is probably no need because the system automatically removes any logs that are more than 1 week old Sentry Manual V2 6 June 2000 Page 44 of 61 Set up This function allows you to set system parameters such as the minimum and maximum acceptable resistance values and the serial port s connected to Sentry unit s Connections can be either permanent i e the Sentry unit is always connected to the PC or intermittent i e you connect the PC to a Sentry unit when required Permanent Connection A permanent connection allows for scheduled downloads so that the PC software can download data from the Sentry unit s without user interaction You can use any serial port from COM1 to COM8 to connect to your Sentry unit s If you have up to 4 units each unit can be connected to a single COM port Choose any free port for each device or they may all be connected to a single COM port using the Sentry RS485 Network options described in Section 1 Installation of this manual If you have more than 4 units they must all be connected to a single COM port using the Sentry RS485 Network options
24. he SENTRY unit comprises a single measurement circuit that may be switched under firmware control to any or all of three measurement nodes each having independent PASS FAIL TEST status indicators Any of the test nodes may be included or excluded from the test sequence by use of the control software Foot strap users stand on the footplate s Wrist strap users connect the free end of their wrist strap to a connector on the front panel of the tester In either case the reference ground test plate or grab handle is touched held The user then enters their ID number using the built in keypad or by some alternative means such as a bar code or swipe card reader attached to the auxiliary socket The SENTRY unit then measures the DC resistance from the plate to each enabled measurement node in turn thereby testing the effectiveness of the entire earthing arrangement rather than just the wrist or foot strap Having made the measurements the system displays the test results by means of Red and Green LEDs A warning buzzer sounds in the event of a failure Results of the measurements are stored against user identity time and date in a non volatile memory for subsequent inspection or retrieval by the SENTRY Observer Software for analysis Did You Get Everything Verify that you have received the following items 1 SENTRY Test System including 1 Wall Plate Instructional Mounting panel 1 DC Regulated Power Supply see below 1 SENTRY Serial Cable 2 metres
25. il the TEST indicators have extinguished and the PASS FAIL indicators are illuminated The unit will emit a beep sound to indicate a failed measurement Test Foot Strap Continuity Ensure that the reference ground plate s is are connected to the tester See Fig 1 Touch and maintain contact with one of the silver touch pads or handles if fitted Using keypad or card reader enter your operator ID number followed by Enter Note You only have 15 seconds to enter your ID after which the unit will emit a long tone and reset The TEST indicators will light after you have pressed Enter If less than the correct number of ID characters are entered a buzzer sounds and the ID must be entered again Maintain contact with the foot plate s and touch pad or handle if fitted until the TEST indicators have extinguished and the PASS FAIL indicators are illuminated The unit will emit a beep sound to indicate a failed measurement Testing BOTH Wrist and Foot Strap Continuity Depending on the unit s configuration Sentry will test both feet and the wrist strap in one operation Maintain contact with the foot plate s and touch pad or handle if fitted until the TEST indicators have extinguished and the PASS FAIL indicators are illuminated Memory Full Indication Using the Setup icon either of two conditions can be set to apply when the memory is full 1 When the system main log is full the FAIL indicators will flash alternately The Sentry ca
26. ilst the Readings screen is displayed will bring up this section of the help file Sentry Manual V2 6 June 2000 Page 28 of 61 Readings This button displays the stored readings in a grid like so Click on Sentry To Show to choose either a specific Sentry unit or All to include data measured at all units The grid will update as soon as you change this setting Click on Staff ID To Show to choose either a specific user or All to include data for all users The grid will update as soon as you change this setting Click on the From and To dates to choose the date range If you do not do this then data will be shown from all available dates You can either type in the dates or choose from a calendar that drops down when you click on the box The calendar is an easy way to select the date by pointing and clicking The grid will update once you have set both dates Click on Results To Show to choose to show only All Passes Any Passes All Fails Any Fails or All Measurements The grid will update as soon as you change this setting Readings can be sorted by Sentry Unit User Download Time i e when downloaded from the Sentry unit or When Measured o Range of dates to display Include passes failures or both User readings to display Staff ID readings to display Sentry Manual V2 6 June 2000 Page 29 of 61 Click on Export to export readings to an ASCII comma d
27. nguish The Enter ID indicator will start to flash See Hardware Technical Reference for more details of I O connections Installation Procedure for Sentry Network RS485 Refer to figures 2 amp 3 1 Position the Network Node Host near to the control PC within 1 8 metres and the Network Node Slaves near to the Sentry units within 2 metres 2 a Using the 9 way Sentry serial data cable connect the RS485 Network Node Host to the control PC RS232 interface port b Connect the 12V DC Power Supply to the Network Node Host 3 a Using the 9 way Sentry serial data cable connect the RS485 Network Node Slave unit to the Sentry unit b Using the double ended power lead connect one of the RS485 Network Node Slave power sockets to the Sentry power input socket c Using customer supplied network cables connect the RS485 Network Node Host data port to one of the RS485 Network Node Slave data ports d Set RS485 Network Node Slave ID number 1 F starting with 1 for the first node There is a rotary switch located inside the RS485 Network Node Slave box e For the next RS485 Network Node Slave repeat steps a d except that the data cables connect the current RS485 Network Node Slave data port to the previous RS485 Network Node Slave data port f For the last RS485 Network Node Slave use the Terminating Connector on the data port socket Sentry Manual V2 6 June 2000 Page 8 of 61 Installation Procedure for Local Network TCP IP with EXTER
28. nnot be used until the main log has been downloaded and cleared 2 Alternatively the Sentry will continue to test normally but no results will be logged Refer to Section 3 SENTRY Observer Software for details of how to retrieve data from the main log Sentry Manual V2 6 June 2000 Page 24 of 61 Back up Battery Failure The FAIL indicators will flash continuously when the system is powered to indicate the battery needs to be replaced Sentry Manual V2 6 June 2000 Page 25 of 61 SENTRY Observer Software 3 Sentry Manual V2 6 June 2000 Page 26 of 61 SENTRY Observer Software Start the SENTRY Observer Software by choosing Start Programs Sentry Observer The program will appear like so The main program screen is always visible when the SENTRY Observer Software is running The top of the screen has a toolbar containing a set of buttons for the main program functions Each button contains an icon and some text To choose a function just click on the appropriate button The buttons and their functions are F1 Help F2 Readings F3 Graphs F4 Reports F5 Exit F6 Sentries F7 Staff F8 Download F9 Schedule F10 Log F11 Setup Toolbar Form Time and Date Status Bar Sentry Manual V2 6 June 2000 Page 27 of 61 Help This button displays the contents page of the help file E g Pressing the function key F1 at any time will bring up a context sensitive Help Screen E g pressing F1 wh
29. o update the graph Sentry Manual V2 6 June 2000 Page 32 of 61 Reports This button prints the stored readings as a report First you choose which measurements to include in the report When you click on the Preview button you will see a window like the one here Click on the printer icon to print the report Click on the Close button when you re done Sentry readings to display Staff ID readings to display Range of dates to be included Include passes failures or both Preview the report before printing Sentry Manual V2 6 June 2000 Page 33 of 61 Exit This button exits the software Remember that if your system is configured for automatically scheduled downloads and or exports these will only happen while the software is loaded You may wish to just minimise the Observer program instead of closing it Sentry Manual V2 6 June 2000 Page 34 of 61 Sentries This button displays the list of Sentry units known to the system You can use these buttons to Add a new Sentry or Modify or Delete an existing Sentry These are the details for each Sentry Location This is a user specified name allocated to each unit in the Observer software ID This is a unique identifier stored in each unit It can be any numeric value from 1 to 250 It is used by the Observer software during download to confirm the connection Serial Port This is the RS232 port on the PC It can be set on the Set up screen or
30. ocket To connect the Sentry to a hub a cable is wired with a straight thru cable as follows 10BaseT Wiring Chart Pin Color Signal 1 White Orange TD 2 Orange TD 3 White Green RD 4 Blue N C 5 White Blue N C 6 Green RD 7 White Brown N C 8 Brown N C A cross over swaps TD and RD That is swap pins 1 and 3 as well as pins 2 and 6 on one end of the cable swap orange and green This is required to connect the Sentry directly to a single PC without a hub Sentry Manual V2 6 June 2000 Page 61 of 61 Voltage free Relay Contacts Socket 4 pin MiniDIN socket pin connections Pin 1 Pass 1 Pin 2 Fail 1 Pin 3 Pass 2 Pin 4 Fail 2 PIN LAYOUT DRAWING Footplate Socket 3 pin MiniDIN socket pin connections Pin 1 Left footplate Pin 2 Right footplate Pin 3 RFI screen PIN LAYOUT DRAWING Note Alternative footplate connectors are 4mm banana Pin 3 n c 1 2 4 3 1 2 3
31. on each unit RS485 Address This is the value set in the Sentry RS485 Network Slave module It is used to address the unit on the RS485 network IP Address This is the value set in the Sentry Ethernet Token Ring Network Interface Unit Board It is used to address the unit on the Local Area network Resistance Limits in MOhms These are the user specified values They can be set on the Set up screen or on each unit Sentry Manual V2 6 June 2000 Page 35 of 61 If you have more than one Sentry unit then you need to set either the Serial Port if you are using RS232 or the address if you are using RS485 or Local Area Network for each unit For a Local Area Network as well as the TCP IP address you need to enter the device type Internal Ethernet Network Interface Board External Ethernet Network Interface Unit or External Token Ring Network Interface Unit Tick the appropriate boxes to enable measurements of arm and leg resistances After each new Sentry is added or an existing Sentry is modified the set up data should be sent and the unit initialised If a Sentry is no longer in use so you no longer want to download from it then modify it and untick the Active box This will ensure that you can still see measurements from when the Sentry was in use but that no further downloads take place You can set the minimum and maximum resistance values for each Sentry individually Leave these settings empty to use the default values on the
32. trol menu Closes the control menu and returns the system to normal operation Sentry Manual V2 6 June 2000 Page 53 of 61 Using the SENTRY Control Menu Advanced Functions Select Option 5 of the Control Menu and the Advanced Functions sub menu appears Current log identifier is 0 Enter new identifier between 0 and 255 12 Control Menu Advanced Functions Log No 12 Select function required 1 Initialise log 2 Set pass limits for pod 1 3 Set pass limits for pod 2 amp 3 4 Set log identifier 5 Verify 6 Set ID parameters 7 Set memory full option 8 Exit Advanced Functions Sentry Manual V2 6 June 2000 Page 54 of 61 Menu Items 1 Initialise log This option deletes all logged results and starts a new log by recording the pods used in the current scan sequence Once the log has been initialised deleted records cannot be recovered USE WITH CARE ARE YOU SURE YOU WANT TO LOSE ALL RECORDS IN THE LOG Type to confirm any other key to cancel The log is cleared It is suggested that test results are downloaded and archived before initialising the log 2 Set pass limits for pod 1 Allows the setting of Pass Fail limits for the wrist strap test node This only affects the value at which the RED and GREEN FAIL and PASS lamps are lit in response to a test it does not affect the log in any way Currents pass limits are LOW 0 78 Meg HIGH 35 2 Meg Enter 0 to leave these limits unchanged Enter new LOW limit
33. ve the editor If you have made any changes you will be asked if you want to save them You can import staff entries from a comma delimited text file Each line in the file should contain the staff ID which must be unique and the staff name Either of these can be enclosed in double quotes The ID and name should be separated by a single comma Valid examples are 123 Fred Bloggs 123 Fred Bloggs To import view the staff list and click on the Import button at the bottom left of the screen Choose the file to import from then the file will be imported automatically Any staff IDs in the file that are already in the Sentry database will be ignored All imported staff will be set to Active Sentry Manual V2 6 June 2000 Page 39 of 61 If you wish to check on who did not make a measurement on a particular day display the staff list and click on the Check Usage button at the bottom of the screen This will display a small window asking you to select the date in question To do this click on the date box and a calendar will pop up from which you can choose the day month year When you re done click on the Check button and a list of users who did NOT make one or more measurements on that date will appear Repeat for other dates if required Sentry Manual V2 6 June 2000 Page 40 of 61 Download This button starts the Download Wizard which steps you through downloading data from a Sentry unit Data from the unit is d
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