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1. Flow meter switchbox Data Backup Signaling system device Other devices 3 1 2 System interface The signaling system interface defines the connection to the other part of the system Signaling system process the input signal and output the processed signals The following sections will specify the interface signals and direction of the interface The connector will be specified in the chapter with hardware description while the pin and cable assignment will be specified in the appendix A Edge Power International HK Ltd Document Name Interface of signal controller 1 Pump 1 10 GSM P Le 2 Pump 2 Antenna m p ei MS 3 Pump 3 11 DCV 12 i pe E ika 4 Tank Status 12 Battery DCV oar gt 12 Water Tank PLC 5 Power Status ii EF Power Signal controller supply 6 Flow Rate 1 13 Host Interface 7 Flow Rate 2 Flow Flow gt RS232 USB 8 Volume 1 meters convertor gt 9 Volume 2 P 3 2 System features The system is a distributed system with two subsystems installed in different locations which is geographically disconnected The following is an outline of the system features Monitor and data collection Display Communication Host interface eu xn aa A Host application 3 2 1 Monitor and data collection The stat2. Edge Power International HK Ltd Document Name periodically The operation status of the pump station are displayed on the remote monitor panel installed in the STSTW control room In an event system failure device failure or alarm conditions are reached the system will send SMS message to the predefined mobile phones Chapter two of the document defines the scope of the document Chapter three will have a general description of the system The system configurations interface between components will also be defined in the chapter The chapter will also describe the inter system communication system hardware and the system performance Chapter four will have detail description system operation and how to use the system 2 Scope This document is the user manual of the signaling system for the TSPF The connection and interface to the other system and or devices will be described The function of the signaling system will be enlisted along with the performance of the signaling system The document will also cover where the status and data being display and how to use the functions The implementation of the function is beyond the scope of this document More over the daily operation procedures 1 e when the report should be generated belong to a higher level of document and will not be covered in this document The installation of the system is also outside the scope of this document 3 System The signaling system is p
3. sample saved on PC 60 Sec host application sample data into data file Volume 1s reset to zero at 00 00 00 am every Volume accumulation 24 hour J ay SMS message day end event Total volume 1s send to SMS subscriber Data log file A data log file 1s create every day 3 4 1 Sample rate A valid sample is created every 0 5 second in the system The sample is stamped with date and time according to the real time clock The internal sample clock is running at 100 ms and the filter length is set to 5 In other word sample is validated if signal is stable for 0 5 second 3 4 2 Display The signaling system displays the operation using LED and LCD on the panel The panel on the server side update the according to the valid sample The panel on the client side will display the status according to the time stamp of the sample 3 4 3 Data link When all the pumps are off the server send status update message to client every 30 second The server will accelerate and send message to client in every 20 second The delay from server send out message to client receive the message is network dependent Edge Power International HK Ltd Document Name 3 4 4 SMS message The SMS message is delivered through GSM network The delay time is depending on the GSM network condition 3 4 5 Host interface data The signaling system responds to the request from host interface with up to date sample The current host application
4. The I2C is assigned to access the on board EEPROM 3 3 1 6 USB USB 1s used for the system development 3 3 1 7 GSM modem The GSM modem is the bridge between the signaling system and the GSM network 3 3 2 SCB physical layout Flow meter 1 Power Tank Pump 3 Pump 2 Pump 1 Connector Connector Connector Connector Connector Connector ANB oe ir Power and Flow meter 2 779 m ES EE E LR LEGS a e a a Battery Connector CCAA LL ML AS EN DN Connector LCD LED 2 Connector Connector LED 1 GSM Connector Antenna Reset RS232 GSM Key 32 bit MCU button Connector Connector Modem While the SCB is installed inside the box the signals are passed to the LED and LCD through cables from the box Appendix B defines the cables and pin assignments 3 4 Signaling system performance The signaling system performance is measured by the time delay of the system input and the output The signaling system outputs are listed below Edge Power International HK Ltd Document Name 1 Client 2 Display 3 SMS message 4 Host interface The table below enlisted the timing parameters of the signaling system Data sample External inputs are sampled every 0 1 sec Data link Send data sample to client 1n every 30 second Data link pump on Increate send sample rate to 20 second Host interface application query the data every 5 sec samples are stored no data query received sample stored internal Sec from host
5. 1 0 LED is igita Extender 1 Optical Isolated inputs 4 UART 1 7 Output Extender 2 Digital inputs 5 USB 8 Analog Inputs 3 UART O 6 SPI Hardware connectors E 32 bit MCU Cortex MO 3 3 1 1 Optical Isolator and I O extender The optical isolator isolates the signaling system from the other part of the system The isolator interfaces with the external devices with the industrial standard of 24 DCV Since the SCB handles a large amount of I O signals an input extender circuitry is designed to expand the digital inputs and an output extender circuitry is designed to expand the output signals 3 3 1 2 MCU The MCU is the central component of the SCB The 32 bit MCU is running at 36 MHz clock speed with internal peripheral controller to control the other functional blocks of the SCB In additional an internal real time clock keep a system time and provides a accurate time base to time stamped the sample 3 3 1 3 Analog inputs The flow meter use current to indicate the flow rate The SCB use two internal ADC one for each flow meter to acquire data from the flow meter The operational amplifiers are used to as pre condition the analog signal inputs Edge Power International HK Ltd Document Name 3 3 1 4UARTS The MCU has two internal UARTS UART 0 is assigned to the GSM modem while UART 1 1s used for the host interface 3 3 1 5 SPI and 12C The SPI interface is used to control the LCD display
6. button failed the system is down and need to be reset or restart The system clock may have a variation of 3 4 second per day Please check and synchronize the system clock using the host application 5 1 2 2 Sample clock client panel The clock display the time stamp of the current sample received The clock will be updated approximately 30 second 20 second if the one or more pump is on 5 1 2 3 Host Link As described in the previous chapter the host link icon indicates the status of host connection Under normal operation the host should be connected to the panel at the server side If the animated icon is not moving please follow the procedure listed below 1 Check the USB cable to the PC 2 Check host application 3 If step 1 2 could not correct the problem restart the host application Edge Power International HK Ltd Document Name 5 1 2 4 Flow rate and calibration The flow rate field will display the total of flow meter 1 and 2 The reading should be within 5 of the reading show at flow meter A re calibration will be needed if the discrepancy exceeded the range Flow rate calibration may be performed when system 1s running However since this is a critical procedure calibration should not be performed by ordinary user 5 1 3 Data link LED client The data link LED indicates the linkage between the server and client The under normal operation data link LED should be always on In circumstances
7. like network traffic is congested or server has a large number of SMS to send the data link LED may be temporary for a while However if the data link LED is off for a few minute please follow the procedure listed below l Check GSM antenna and signal strength 2 Check GEM modem light blink at the frequency of about 1 Hz 3 If the blink faster then 1 Hz check SIM card connection and subscription expiration date 4 If step 1 2 3 could not correct the problem Go to the server site and 5 Check GSM status LED and check if it blinks twice every 30 second 6 Reset the server panel if GSM status LED does not blink 4 Consult network service provider 5 2 System start up This section will specify the procedure for reset or power down up the system 5 2 1 Before reset power down When system is reset or power down there will be data lost Some may need to be recorded and restored when the system 1s up Please follow the procedure listed below prior to system reset or power down 1 Record the flow volume on signaling system 2 Record the flow volume on the flow meter 3 Record the pump on time for all three pumps 4 Record the data time of the reset power down 5 2 2 After reset power up When system 1s back on running data has to be re installed and system parameters have to be set Please follow the procedure listed below after system reset or power down Edge Power International HK Ltd Document Name 1 Reset sys
8. panel indicates the linkage between the client and the server the LED will be off if the client did not receive a message for 1 5 minute 4 1 1 2LCD display The LCD display on the panel indicates the status as follow GSM signal strength Real time clock sample time stamp Host interface Total volume reading a x X e Current flow rate Real Time Clock Sample GSM Signal Time stamp indicator Host interface indicator Volume reading Real time flow rate reading GSM signal indicator The GSM signal indicator indicates the signal strength of the GSM signal The signal is at maximum with four vertical lines on the right of the antenna icon A stable system operation requires signal strength of two or more vertical lines Real time clock sample time stamp On the server panel this field shows the system clock in real time On the client panel this field shows the time stamp of the sample received In an event of the client panel just turned on with the server already on a string of samples will received and display After the client is synchronized with the server the sample time stamp field will be Edge Power International HK Ltd Document Name update every 30 second Host interface indicator The host interface indicator displays the status of host interface connection When the host interface 1s connected USB RS232 cable connected and the PC application is running the indicator will bec
9. requests status update in every 5 second 3 5 Events and SMS message Event is a change of state in the system i e the water pump start stop or water reached high level Some of the event must be notified by other part of the system while other may be the interest of a user or a group of user A user will receive the SMS for the specific event by subscription Appendix will enlist all the events and the SMS text for the event The chapter for operation will describe the host application and how to manage user and subscription 4 Operation This chapter will focus on the operation of signaling system The first section specifies the components which may connected by wire or wireless network The second section will describe the host application and how to use it to manage the user and generate reports The block diagram below shows the system components of the signaling system and the linkage between Signaling system components A Client Server Link WV ee N m N Q q O PES 5 a N A l NO o BEN O e c NA Dd jit A Sole o BE e N 20 T N P E AT y NIS RAK Host PC Persons Edge Power International HK Ltd Document Name 4 1 System components The signaling system has the following components 5 Server panel 6 Client panel 7 Host PC 8 SMS subscribers 4 1 1 Server and cli
10. 009 14 PUMPI STOP EVENT TSPF in CUHK Pump 1 E Stop DC 2009 14 TSPF in CUHK Pump 1 E Stop released Pressed b DC 2009 14 DC 2009 14 4 PUMPI PWR FAILUR EVENT ILS PE OBI TSPF in CUHK Pump 1 Power Failure Pump 1 back frm Power Failure PUMP2 ON EVENT Yes DC 2009 14 DC 2009 14 PUMP2 FAULT EVENT TSPF in CUHK TSPF in CUHK Pump 2 Tripped Pump 2 back frm Trip DC 2009 14 DC 2009 14 PUMP2 STOP EVENT TSPF in CUHK TSPF in CUHK Pump 2 E Stop pressed Pump 2 E Stop released DC 2009 14 DC 2009 14 PUMP2 PWR FAILUR EVENT TSPF in CUHK TSPF in CUHK Pump 2 Power Failure Pump 2 back frm Power Failure Edge Power International HK Ltd Document Name PUMP3 ON EVENT Yes Yes NO DC 2009 14 DC 2009 14 PUMP3 FAULT EVENT Yes Yes Yes TSPF in CUHK TSPF in CUHK Pump 3 Tripped Pump 3 back frm Trip DC 2009 14 DC 2009 14 PUMP3 STOP EVENT Yes Yes Yes TSPF in CUHK TSPF in CUHK Pump 3 E Stop pressed Pump 3 E Stop released DC 2009 14 DC 2009 14 PUMP3 PWR FAILUR EVENT Yes Yes YES TSPF in CUHK TSPF in CUHK Pump 3 Power Failure Pump 3 back frm Power Failure rg es es Yes The power 1s back to normal POWER EMO PWR EVENT Y pou POWER UPS FAIUREVENT Y JG DC 2009 14 DC 2009 14 TSPF m CUHK TSPP m CUHK NO NO NO Fe I I I I Nyo ON TI bd Uo Uo CO O lt fes lt JORE O O O WN Ja DAY END EVENT Yes sewage Discharge Volume sewage Discharge Volume XXX m 3 Reset to Zero O mM i
11. 2 E STOP E3 Pump 2 POWER Pump 2 POWER 4S P 20 CUP K 6793 10 ADI Pump 3 RUNNING STATUS E5 Pump2 On A22 Pump 3 RUNNING STATUS E6 Pump 3 TRIP STATUS A23 ET Pump2 Fault Pump 3 TRIP STATUS A24 E8 Pump 3 E STOP E3 m mg 1o ump2 Emg Stop Pump 3 E STOP E4 A27 Pump 3 POWER FAILURE El Pump2 Pwr Failur ADR Pump 3 POWER FAILURE E2 Al5 Al6 A17 DO Pump2 Pwr Failure Mi np OI oo gt OO Uo DO NS MM ININ NH DS NO SD Woop eS Ii MRS Le ae OO SJL DIN NO QI NE UO SJ DIN Edge Power International HK Ltd Document Name Z 9 Uo NO A29 A30 Bl am Z O CUP K 6793 11 EMER OVERFLOW EI EMER OVERFLOW E2 HIGH LEVEL E3 HIGH LEVEL EA LOW LEVEL E5 LOW LEVEL E6 OVER FLW OVER FLW GND HIGH LEVEL HIGH_LEVEL_GND LOW ALE VEL LOW_LEVEL_GND Over Flw Station High Level Status B2 B3 B4 Station Status 29 T Remum a E CEN M Nc ES s B5 B Z 62 Z O OO CUP K 6793 12 CLP POWER FAILURE ES CLP POWER FAILURE E6 ESSENTIAL POWER E3 ESSENTIAL POWER E4 CLP_PWR_FAILURE 9 CLP Pwr Failure CLP PWR FAILURE GN Pa ES EMG_POWER IN i 10 Bll Power Status EMG POWER GND 5 B12 dps P STE Emg Pwr Status 8 Pins UPS Failur UPS FAILURE UPS FAILUR GND NC GND Sella B13 3 B14 B15 eA WN OO B16 CUP K 6793 13
12. Edge Power International HK Ltd Document Name 1 Introduction This document specifies the signaling system for the Temporary Sewage Pump Facility TSPF project The TSPT a sewage water pump station located at Chinese University The TSPT is remotely monitored at Sha Tin Sewage Treatment Works STSTW As part of the pump station system signaling system is the key component that makes remotely monitoring possible The signaling system provides the following functions 1 Monitor and display devices and operation status of the pump station 2 Sendreal time operation status to the remote location 3 Generates and store operation records 4 Create reports summary in digital file format for analysis 5 Send critical data and alert messages to mobile phone through GSM network The system is partition in to two parts or subsystems which are in different locations They are digitally connected with wire and wireless link The diagram below shows locations of and the link between TSPF TSPF 1 8lip Control Pump Cable Room If Station ji 4 9 Wireless Data link SMS warning msg Control EE Room A 4 FA uu The signaling system is located at both the TSPF server panel control room and STSTW client panel control room Devices and operation status of the pump station are monitored by the signaling system The data along with other status information are packaged and send to STSTW Control Room
13. Edge Power International HK Ltd Document Name ES Vol l 6 1 Flow Vol 1 In Flow Covertor 6 2 Convertor 3 d P 2 63 Flowl In Flow l 6 4 4 Pins Vol 24 Vol 2 Flow 24 Flow 2 Vol 1 PLC Vol 1 PLC Volume Out Vol 2 PLC Vol 2 PLC Flow 1 PLC Flow 1 PLC Flow Rate Out Flow 2 PLC Flow 2 PLC C e e a I Uo Flow Vol 2 In E ES OO Flow Convertor Covertor 2 4 Pins Uo 2 In Flow2 In B17 CUP K 6793 12 Volume to Vol 1 Out PLC 4 NO Pins Vol 2 Out Flow Rate Flow Out Out 4 Pins eses UN Flow2 Out Sai Es E UA Es Ln Es Uh UA Es de Es Es Es SS Oo 1111511851151 Oo c oo se scorre Cra ESA Sd Sal esr esee Jaf Aa UO NDND Ra Ra O bD Ri Ra O Dn 1 Edge Power International HK Ltd Document Name Appendix B Internal cables and signal assignment Edge Power International HK Ltd Document Name CUHK Pumn Station SISIPW GSM Antenna 300 mm GSM Antenna p gt 1 2 3 1 Power GSMStatus Y Data Link Power GSMStatus Q Data Link A Power Status Power Status CLP Power Failure 6 CLP Power Failure 6 5 O Emergency Power 5 O Emergency Power Suppl Supply UPS Failure ii UPS Failure 2 3 Flow Rate and Level Flow Rate and Level K1 7 K B High Level Alarm A 1 7 High Level Alarm 8 K2 8 e Ne Over Flow Alarm O O
14. Edge Power International HK Ltd Document Name Sewage Signaling System For CUHK pump station User s Manual Contract No DC 2009 14 19 11 2011 Revision history 19 11 2011 Original by York M Hwe 6 1 2012 Added Maintenance section Edge Power International HK Ltd Document Name MEE cuiii IA 4 2 ASCO ou ge ment ay Ere Dee eee IE IU UM MEL 5 A A 5 3 1 Conte r ON iu t Ee 6 od System block Orb ETT eae tu Eo ne tod Eo aec tu OPPIDO lic 6 EN MEME CC ON SHE NS T LI 6 32 SY SECM Te aD OS tla do Aen O A ein wetted antl rete 7 3 2 1 M nitoraonddata COLE 7 S2 DI A E eee 7 324527 JBOSUEESSUDDDICS aia 8 22423 Mater tan lin celseks 8 so O A O A A vr 8 See Dp eeraa a 8 9059 COM Oi Ai a Ese tu 8 2 2 9 D Data A a 9 3 2 2 2 PNET SMS SS I ES as tra 9 32A EOS tte ii 9 ar OD ouais nitas ty Oe Extra dab aid o ty Oe Eine mene rer pete 9 3 3 System ANC Water ii 9 Sl SCB H rdwa re block Mara i cr te oup edes ale deut 10 3 3 1 1 Optical Isolator and I O extender sss 10 22 M E iere 10 SOA AA a ete ufa pea fetu eee sass 10 Silk UAR iii des it 11 E Il GAD A E o de uM CT 11 2l A kk 11 FET ESA tind icin ea achat E 11 32 SSEDB PpAvSiC a Ill VOL 11 3 4 Sionalime system pertornmanes suicida 11 Sl AM RN OO OE INTERES 12 Ds DIS VAY sciat O eben eva A eo uci mE 12 Dr MEME P IC dU EE EE 12 2 4 4 SMI MESSAGE oie carac 13 y JHOSCIDCEEEdE e OE seite d
15. art of the pump station system Through hardware connection the signaling system monitors the operation status devices in real time The operation status will be recorded in a format easy to understand i e report in Excel format as well as SMS message to mobile phone In an event of abnormal operation the signaling system will send SMS to alert to the group of predefined user This chapter will describe the system The first section will provides the configuration of the signaling system from the system point of view The second section will describe the features of the signaling system The first section covers the partition and the configuration of the system The second section will descript the functions of each subsystem and the interface between The first section is the system configuration The third chapter will describe the general features of the system Edge Power International HK Ltd Document Name 3 1 Configuration The system block diagram shows the system and the interface between signaling system and other subsystem The block diagram also shows partition of the signaling system The system interface defines the signal and connection between the signaling system and the other part of the system 3 1 1 System block diagram TSPF Project GSM SMS CUHK Control Room STSTW Control Room Switch Signal board and m Controller Signal Controller Client PLC Server
16. ation Report Phone Mo Peter 25122011 Paul 24122011 har 22122011 sun an Tue wed Thu Fri Sat John 23122011 1 3 Belly 21122011 4 5 B 7 8 10 Meil 20122011 11 12 13 14 15 17 Barry 19122011 sE 19 20 21 22 24 David 18122011 25 26 27 JB 29 31 Janice 17122011 Selina 16122011 60 cB Co mM 42 co r2 ot ID Phone No i Data File Name 12 hee ferr SMS Message Subscription 20111218 dat Report File Mame W Power Failure Iw Water Tank I Water Pump End of Day 2 CLP Power High Level Fault Discharge Vol 20111217 xls Emergency Over Flow Emo Stop Report Power Pwr Failure UPS Power Create Report Cancel OK Edge Power International HK Ltd Document Name SMS subscriber and event subscription SMS subscriber may be modified by selecting the user from the list make change of name phone number and the subscription Report generator Reports are generated by selected the day first and click the Create Report button A report in excel format for the selected day will be create at the Reports folder of under the installation folder Pump Operation Report 14 12 2011 Pump 1 Run Time Summary Pump on Time On Time 401 Minute O Minute 250 Minute O Minute O Minute Daily Summary 14 12 2011 Discharge volume t Med ch is Discharge Vol 4286 Cubic Meter Max Flow Rate 160 Lite S The report file name is generated automatically according to the data sel
17. ected There are three sheets work sheets in the report data log discharge volume and pump operation report 5 Maintenance The signaling system will run 24 hours a day continuously When the pump station or the signaling system is start up after repair or failure it is important to have system up and running correctly This section will specify the procedures to identify system failure and recover from failure Edge Power International HK Ltd Document Name 5 1 Normal operation 5 1 1 Lamp test button The Lamp test button 1s located in the lower right hand corner of the panel box The lamp test button is designed to check if the LED display is function correctly The respond to the button push is also an indication of the system is still running When the button is pushed all the LEDs will be turn on If none of the LED responds to the button push please follow the procedure listed below l Check connector 2 Check wiring 3 Check LED 4 If 1 2 3 step could not correct the problem the system need to be reset 5 1 2 LCD display 5 1 2 1 System clock server panel As indicates by previous section the LCD display shows the system clock of the signaling system The clock will be updated every second and it is an indication of the system 1s running If the clock stopped please follow the procedure listed below 1 Check connection cable from the PCB to the LCD 2 Lamp test button If the Lamp test
18. ent panel The panels are use to collect and display the operation status The server panel connects the external devices through wire While the client panel is connect to the system wirelessly The panel is powered by AC power with internal battery enable uninterrupted operation during power outage The panels are layout according to the devices it monitored and the LEDs and LCD are direct indication of the status The server panel is located in the pump station with connection to the other devices external to the signaling system Data link and operation status ES Power supply u status Flow meter status LCD display Power supply status Water pump status The client panel may be located in any place with GSM network cover for the service provider When the system is in operation the client panel will be a mirror image of the server panel with a delay as specified in the performance section Edge Power International HK Ltd Document Name 4 1 1 1 Data link and operation indicator There are three LED indicates the operation and data link Power GSM status and data link The power LED is on when the panel is powered The LED will not distinguish whether the panel is powered by battery or the power supply The GSM status indicates the activities of the GSM network The LED will brink once with it a message 1s received and twice with it send out a message The data link LED indicates on the client
19. ge 1 m x m x m How Rate L s Flow Meter 2 Total Sewage Discharge m x m x m How Rate L s Sewage Discharge 2 EN NUN ES Flow Rate L s s Come Devos a ca MENHEHENIN Set up connection with signaling system The PC connects to signaling system through RS232 When the system is connected a port is assigned for the connection The Connect Device button enable user to select the port Edge Power International HK Ltd Document Name number use for the connection When the two systems are connected the Start Stop button will be enabled Setup system time The signaling system has its own real time clock The clock should be synchronized with the outside world i e the computer time The system time field display the computer time while the current sample time shows the signaling system time The Set data and time button will change the signaling system clock to the computer time Set up initial value for volume The discharge volume for the signaling system is reset to zero and start counting from 00 00 00 am When the signaling system is interrupted and restarted again an initial value may be set to adjust for the interruption time 4 2 2 SMS subscriber and report generation The GUI screen is designed mange the SMS subscriber event subscription of each subscriber and the report The SMS subscriber and the report screen is showed below SMS Subscriber and Reports SMS Subscriber Inform
20. iode DR dauid D quad 13 3 5 Events and SMS Messa SE ue kk la dias 13 e adeo or dead Meno aM M MALI MIL M M MAI MM LT e 13 4 SYSTEM COMPONEN So E UM EUM 14 Edge Power International HK Ltd Document Name 4 Lil Semer and client panels cosas A e oat 14 4 1 1 1 Data link and operation Indicator nnnnnnnnnnnnennzznnnnnznna 15 O A E tb edes 15 AE A E 16 d Nise SMS l l dod oeste dia ee re oO ud Me Ede 16 4 2 HOoSCapDpIat OB cic tui eoa lolis 16 4 2 1 System setup and operation monitor oooccnncncnnnnnnnnncnnnnnnnnnnnnnnnnnnnnnnnnonononoss 17 4 2 2 SMS subscriber and report generation ccccccccnnccconnnononnnnnnnannnnnnnnnnnnnnnnnnnos 18 2c GNIGIDG EE A ii t testa o 19 5 Normal Opera Mia ratur Ud eed ue UID Ten M IUE 20 ou ESU DO a A ccc ipto Loeb LL od 20 Sm PA MEE BEL TE 20 3121 System clock Server panela abt iat idee esuada 20 512 2 Sample clock client parebat dis 20 SANUS ame a A TU TM 20 5 1 2 4 Flow rate and calibration ssse 21 StS Dada AED Os e etr 21 2 2 Y SEMEN ate uae ORE Lec ate eae taa a i 21 DAL BELO TESEO POW CL COW nudae Ro Demi daten BH NI I e eua i dan 21 S22 AMET Tese DOWEGE UD da 21 2 29 Resetand POWER dO Wa a 22 O SUMMI a erm 22 Appendix A Hardware interface with other system components 23 Appendix B Internal cables and signal assignment nneenennnnnnnnnnzzzznnnnnnana 20 Appendix C Event and SMS messa Cheen 33
21. k to normal 4 2 Host application The host application is a software application running on PC The application will acquire time status from the server panel and display result on the screen in real time The status 1s Edge Power International HK Ltd Document Name stored at the PC in a format of data file The host application use the data file to create report in excel format The host application provide graphic user interface for setting system parameters and manage SMS subscriber as well as subscriptions The function is divided in to two GUI screen The system setup and operation monitor screen is used for system setup and real time monitoring The second screen is used for manage SMS subscriber and subscription and report mange reports The following section will have a detail description of how to use the functions in host application 4 2 1 System setup and operation monitor This is the main screen of the host application The screen provides the following functions Set up connection with signaling system Set up system time Monitor pumps operation accumulated on time for each pump Set up initial value for volume Monitor flow rate and volume in real time b UE dee SY xs Display track record of flow rate CUHK Pump Station Statu Set Date and time Set Sewage Discharge Volume Set Sewage Discharge 1 mxmxm Yv Set Sewage Discharge 2 a mxmxm Set Volume How Meter 1 Sewage Dischar
22. ome animated with arrow flashed on top of the PC icon Total volume reading The volume reading 1s the total volume flow through the pipes which installed flow meters The reading is reset to zero at 00 00 00 am every day and start counting for the day Flow rate reading The flow rate reading is the summary flow rate in two pipes with the flow meters installed 4 1 2 Host PC The host PC connects to the panel through a serial data link A communication protocol with a set of command will enable user perform the function as listed below 1 Collect status information of the signaling system 2 Setup system parameters 1 e day and time 3 Setinitial values 4 Fine tune reading from external device 5 Setup SMS user and event subscription A PC application implemented utilized the command set enable user to perform the function listed above with a graphic user interface The PC application will be described in detail in the PC application section 4 1 3 SMS subscribers A user may subscript to SMS message for events from the signaling system The signaling system is capable to handle up to 12 users A SMS subscriber of the signal system mush provides a valid mobile phone number and the selection of events he she want to subscript to Some of the event will have one message indicates it happened 1 e total volume for the day While others may have two messages for an event i e one message for power failure and one for power bac
23. p 2 l E as Si 3 7 Flow Comeran O Table of Connectors pin and wire assignments Label Connector Signal Name Remark ire pun Pl ON E Pump 1 TRENT m Pump 1 RUNNING um um n j Con 10 oe STATUS E5 ET p Data from flow meter convertor 1 T 0 0 0 4 4 Data from flow meter convertor 2 4 4 ES m Edge Power International HK Ltd Document Name PI ON GND PI FAULT PI FAULT GND P EMG STOP P EMG STOP GND P PWR FAILURE m Rajraj nA IAIA A UY DO PI PWR FAILURE GND 1 8 NO GND I Ea P2_ON P2_ON_GND 72 P PAULI P2 FAULT GND HA NO DO Pump 2 HA i Z Pins Pump 2 Con 10 Pins Pumpl Fault Pumpl Eme Stop Pump2 Pwr Failure Pump 1 RUNNING STATUS E6 A2 A3 Pump 1 TRIP STATUS E AA Pump 1 TRIP STATUS ES Pump 1 E STOP E3 Pump 1 E STOP FA Aq Pump 1 POWER FAILURE El AR Pump 1 POWER FAILURE E2 e aro rk Pump2 On Pump2 Fault A Pump 2 RUNNING STATUS E5 ALD Pump 2 RUNNING STATUS E6 Pump 2 TRIP STATUS Al3 E Pump 2 TRIP STATUS Al4 ES Edge Power International HK Ltd Document Name P2 EMG STOP 2 Pump2 Eme Stop P2 EMG STOP GND 2 6 P2 PWR FAILURE P2 PWR FAILURE GND P3 ON Sl P3 ON GND 3 4 P3 FAULT 4 4 Pump 3 P3 FAULT GND 3 P3 EMG STOP P3 EMG STOP GND P3 PWR FAILURE at 8 P3_PWR_FAILURE_GND Pump
24. re 1 Mobile phone number is entered into the system 2 Subscripted to the event 3 2 4 Host interface The host interface is design for host device 1 e PC connect to the system The signaling system defined a set of interface command enable the host to collect data and make configuration change the signaling system 3 2 5 Host Application The PC application provides a graphic user interface for use to monitor and manage the system through the host interface 1 Collect data from the signaling system 2 Store data for statistic analysis 3 Setup signaling system 4 Manage change system configuration 5 Create reports 3 3 System Hardware The main hardware for the signaling system 1s the Signal Controller Board SCB one for the server and one for the client A block diagram of the SCB shows the components and connection of the SCB follow by a brief description of the components and connections A picture of the SCB shows the layout and physical location of the components and Edge Power International HK Ltd Document Name connectors 3 3 1 SCB Hardware block diagram Hardware block diagram for controller board Signal T switch box Opto Isolator 1 5 PC I O Extender EMS Flow 3 meter convertor 2 6 Display lo MCU LCD gt Input 4 Buttons DITS 8 Jae 7
25. re are two flow meter installed at the site and the signaling system collect both the flow rate and volume of two flow meters 3 2 2 Display The signaling system displays the operation status of the pump station on the devices appropriate for the message being delivered The following are list of devices methods 1 LED light on the signal controller both the server and client 2 LCD display on the signal controller both the server and client 3 SMS message to the mobile phone The display function of the signaling system will be described in detail in user interface chapter 3 2 3 Communication The communication channel for signaling system is GSM in SMS format The signal system use SMS for communication between server and client as well as with human being Edge Power International HK Ltd Document Name 3 2 3 1 Data link For communication between server and client the signaling system will package the information into a message and deliver periodically The message includes the information as follow 1 Message start indicator 2 Message type 3 Port number term for internal component intended to deliver 4 Information 1 e the current status information 5 Check sum 6 Message end indicator 3 2 3 2 Alert SMS messages Alert SMS messages are delivered to mobile phone for user The alert messages informed the user a predefined alert has happened The conditions of user receiving the alert SMS message a
26. tem clock click Set date and time button on the main screen 2 Set volume use up arrow at Sewage discharge volume field and click set button 5 2 3 Reset and Power down up There is a power switch on the right hand side of the panel box In order to reset the system please open the cover of the panel box and locate the SCB and push the button indicated in the SCB physical layout section 6 Summary The introduction of the signaling system into the pump station elevated the automation of pump station management into a new level Since the operation of a pump station for a sewage system is critical for the environment of the area The addition of advance signaling system in the pump station will enable pump station status to be recorded automatically monitored remotely Important status 1 e abnormal system behavior or data i e end of the day data will be notice by SMS immediately Edge Power International HK Ltd Document Name Appendix A Hardware interface with other system components Connection Block Diagram Flow meter C 4 convertor 1 Signaling Digital Interface board Flow meter convertor 2 Table of Cables Cabl Edge Power International HK Ltd Document Name Flow Convertor 1 DIB 4 4x4 0 mm2 single core Table of Connectors No of Wire P I wl a 1 9 4 4 E l 10 Status of pum
27. us outputs from the external device are connected to the signaling system through the switch board The signal system will sample the inputs periodically and filter the noise The following devices are monitor by the signaling system 1 Water pumps 2 Power supply 3 Water tank 4 Flow meters 3 2 1 1 Water pump The CUHK station has three water pumps The signaling system monitors the following status of each water pump 1 On Off 2 Fault trip 3 Emergency stop Edge Power International HK Ltd Document Name 4 Power failure As by design the power failure will also trigger the emergency stop and the fault status 3 2 1 2 Power supplies The power for the pump station may come from three different sources 1 CEP 2 Emergency power 3 UPS Under normal operation power is provided by CLP In an event CLP failure Emergency power will kick in UPS will be final power source The signaling system monitors the status of all three power sources In additional the signaling system has its own build in battery with enough power to issue SMS alert even all other power source failed 3 2 1 3Water tank The status of the water tank is monitored by the signaling system The signaling system monitors the following abnormal status of the water tank 1 High level 2 Over flow 3 2 1 4 Flow meters Flow meter provides real time information of the water flow rate and accumulated volume flowed through the pipe The
28. ver Flow Alarm Vk WV Pump Status Pump Status P3 P2 P3 On Off e SWITCH On Off Fault 3 Fault Emergency Stop 3 Emergency Stop PWR Power Failure Power Failure K4 K4 e Lamp Test e Lamp Test H1 6 H2 Ce H2 Edge Power International HK Ltd Document Name Label Pins on connector Signal Name Wireling Remark Power LED Green LED on panel Flo m ua OIO GU RO PA IN Re A CO NOS OO On WM BR ColNMBmo lrRe Un CG Nh re Edge Power International HK Ltd Document Name 11 10 LED 21 G10 Green LED on board internal use NC e KB th m jm 1 A eg lt WYWIININININININ ININIXN MikRea O poOjoo AJO NY FS Wy dw Edge Power International HK Ltd Document Name Appendix CEvent and SMS message Event and Event Messages Client Link N e e e RININ Persons a Table of Event and Event messages Edge Power International HK Ltd Document Name Event Client Host IO On message Off message y Notice Notice Notice E RUMIONEVNT Ys Ye No DC 2009 14 DC 2009 14 PUMPI FAULT EVENT TSPF in CUHK TSPF in CUHK Pump 1 Tripped Pump 1 back frm Trip DC 2
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