EDCS-8000 Series of Power System Integrated Automation Equipment EDCS-8220 GENERAL MONITORING DEVICE INSTRUCTION MANUAL V1 13 Chongqing New Century Electrical Co., Ltd VERSION ANNOUNCEMENT Copyright: Chongqing New Century Electrical Co., Ltd This instruction is applicable to the protection program of the following version: EDCS-82201 General monitoring device version V1.** UPDATING RECORD OF INSTRUCTION’S VERSION NO Instruction Version Updating abstract V1.10 May 23rd, 2010 V1.11 Jun 3rd, 2011 V1.12 September 19,2012 V1.13 Fixed input is normal closed, input is normal open Updating date February 21.2013 10  The instruction and production may have a little change, please check the practical production and the instruction’s version  Technical support:  The first version prints in Mar 2010 Tel: （023）68694458 Fax: （023）68626689  More information please access http://www.cqnec.com.cn IMPORTANT INSTRUCT Thank you for purchased production made by Chongqing New Century Electrical Co., Ltd For safe, correct and effective usage of these devices, please read the important information below  Please read the instruction carefully, and adjust, test or manipulate under the instruction’s prescript  To protect the device, not insert or withdraw the module, touch chip and element when the power on  Please use reliable, high accuracy test instrument and device to test and measure the device  Accident analysis requires original records, the device version information, and field fault process description  If there is any abnormal or repaired requirement, please make contact with us CONTENTS PART ONE TECHNICAL INSTRUCTION 1 GENERAL 1.1 APPLICATION 1.2 CHARACTERISTIC 1.3 FUNCTION CONFIGURATION TECHNICAL PARAMETERS 2.1 ENVIROMENTAL PARAMETER 2.2 RATED PARAMETERS 2.3 PERFORMANCE INDEX 2.4 OUTPUT NODE CAPACITY 2.5 COMMUNICATION INTERFACE 2.6 INSULATION PERFORMACE 2.7 ELECTROMAGNETIC COMPATIBILITY CHARACTERISTICS 2.8 MECHANICAL PROPERTIES EDCS-82201 GENERAL MONITORING DEVICE 3.1 FUNCTION PRINCIPLE 3.2 DEVICE SETTING 15 3.3 DEVICE HARDWARE 32 PART TWO INSTRUCTION FOR USE 39 OPERATION INSTRUCTION 39 1.1 THE KEYS 39 1.2 THE MENU 39 DEVICE OPERATIONS 44 2.1 NORMAL OPERATING STATE 44 2.2 ABNORMAL INFORMATION DISPOSA 45 INSTALLATION INSTRUCTIONS 47 3.1 PACKAGING OPENING INSPECTION 47 3.2 INSTALLATION NOTICE 47 CIRCUIT TEST 48 4.1 TEST NOTICE 48 4.2 AC LOOP CHECK 48 4.3 INPUT CONTACT CHECK 48 4.4 OUTPUT CONTACT CHECK 48 4.5 MAINBOARD JUMPER SETTING 49 4.6 DEVICE UNIT TEST 49 -I- PRINT ACTION REPORT 51 TRANSPORTATION AND STORAGE 51 APPENDIX 52 7.1 CHASSIS STURCTURE 52 7.2 COMMUNICATION CONNECTION 53 7.3 ORDER NOTICE 56 - II - NEW CENTURY-RELAYS EDCS-8220 General Monitoring Device Instruction Manual PART ONE TECHNICAL INSTRUCTION GENERAL 1.1 APPLICATION EDCS-8220 general monitoring device is a new generation of new substation integrated automation system To meet the subustation integrated automation requirement of national gride and some non-electric industry, it adopt new computer technique, network comunication technique and the latest international standard in the view of comprehensive solution of substation automation based on several years development and reaserch experience of substation integrated automation.The device is suitable for 110kV and below voltage grade of various substation 1.2 CHARACTERISTIC 1) Large screen LCD and full-Chinese menu design, more humanized debug and operation 2) Full-Chinese display and printing for event and setting values, discarding character expressing 3) High-performance 32 bit microprocessor with large capacity RAM and FLASH RAM bring powerful data processing and storage ability; keeping in FLASH RAM, data wouldn’t lose after power interrupt 4) Adopting CAN net as internal communication network, data information pass in and out fluently 5) Two kind of time checking mode: IRIG-B code and background communication 6) Clean and beautiful sealed aluminum case with Strong anti-electromagnetic interference, vibration resistance, well adapted harsh electricity environment 7) Perfect self-checking function meeting the requirement of status overhaul 1.3 FUNCTION CONFIGURATION 1) Printing 2) Monitoring 3) Synchronization 4) TV fuse fail and TA disconnection alarm 5) Zero-sequence over-voltage alarm 6) Frequency over-limit monitoring 7) Remote logic latching 8) Power quality monitoring 9) Continuous monitoring and recording odd harmonics at most 31 times NEW CENTURY-RELAYS EDCS-8220 General Monitoring Device Instruction Manual The detailed configurations of each model device see the following table: MODEL NO EDCS-82201 NAME GENERAL MONITORING DEVICE Device function Zero-sequence over-voltage alarm √ TV fuse fail monitor √ TA disconnection monitor √ Synchronization function √ Frequency over-limit alarm Power calculation √ Voltage deviation Voltage unbalance Harmonic distortion ratio Telemetering, telesignalling √ Remote control √ Remote control PLC Digital input configuration √ Event record √ Independent operating circuit √ Intelligent DC module Voltage collection channel number Current collection channel number The highest harmonic 31 DC collection method DC collection channel number Binary input number 72 Binary output number 40 Communication interface Chassis structure Voltage transformer wiring mode CAN/103/Double Ethernet 6U 19"/2 YY/VV NEW CENTURY-RELAYS EDCS-8220 General Monitoring Device Instruction Manual TECHNICAL PARAMETERS 2.1 ENVIROMENTAL PARAMETER Operation Temperature: 0～40℃ Limited Temperature: -10～55℃ Storage and Transport: -25～70℃ 2.2 RATED PARAMETERS DC power: 220V or 110V（please indicate when ordering） Allowable deviation:-20%~+20% AC voltage: 100 / V（Rated phase voltage Un）; AC current: 5A or 1A（Rated phase current In, please indicate when ordering）; Rated frequency: 50Hz Overload capacity: Current loop: 1.2 times of rated current, continuous working Voltage loop: 1.4 times of rated voltage, continuous working Power dissipation: Current loop: Not more than 0.5 VA /Phase (when Rated value is 5A) Not more than 0.5 VA /Phase (when Rated value is 1A) Voltage loop:Not more than 0.5 VA /Phase (when Rated value is 100V) Not more than 0.5 VA /Phase (when Rated value is 100/ 3V) DC loop: Normal, not more than 30 W Trip, not more than 35W 2.3 PERFORMANCE INDEX 1) AC voltage monitoring Monitoring range: 0～100.0V（Phase） Monitoring accuracy: 0～80.0V, error≤±0.2% 2) AC current monitoring Monitoring range: 0～5A Monitoring accuracy: during 0～1.00A, error≤±0.01A;during1.00～5.00, error≤±0.2% 3) Power monitoring: error≤±0.5% 4) DC collection monitoring: error≤±0.5% 5) Frequency monitoring Monitoring range: 45.00～55.00Hz Monitoring accuracy: error≤±0.02Hz 6) Switch value deflection resolution is no more than 1ms NEW CENTURY-RELAYS EDCS-8220 General Monitoring Device Instruction Manual 2.4 OUTPUT NODE CAPACITY Signal node capacity: Allowable long-term utilize current 5A Sever current 0.3A（DC220V, V/R 1ms） Switch closing/tripping output node capacity: Allowable long-term utilize current 8A Sever current 0.3A（DC220V, V/R 1ms） Other output relay node capacity: Allowable long-term utilize current 5A Sever current 0.2A（DC220V, V/R 1ms） 2.5 COMMUNICATION INTERFACE communication ports are supported: CAN or RS-485, and Ethernet Power industry standard DL/T667-1999 (IEC60870-5-103), XSJ-7000DH and Modbus can be choosen for communication protocol Communication speed can be set One GPS interface One print interface 2.6 INSULATION PERFORMACE 2.6.1 INSULATION RESISTANCE In normal atmosphere environment, insulation resistances between energized and non-energized sections as well as between those circuits with no electric connections are no less than 100 tested by a mega ohmmeter at 500V open-circuit voltage 2.6.2 DIELECTRIC STRENGTH In normal testing ambient atmosphere, the device is robust enough to withstand an AC voltage-endurance test at 2000V, 50Hz(rated insulation voltage>63V), 0.5kV, 50Hz(rated insulation voltage≤63V), and lasting for 1min, yet without breakdown or flashover phenomenon In the course of trial, when a test loop is powered on the others are connected to ground with equal potential 2.6.3 Impulse voltage In normal atmosphere environment, between energized and non-energized sections as well as between those circuits with no electric connections, the device is able to withstand a short-time inrush voltage test with 1.2/50μs standard lightning surge, for the circuit of which voltage is less than 63V, the test voltage is 1kV, and for that more than 63V, the test voltage is 5kV NEW CENTURY-RELAYS 1.2.4 EDCS-8220 General Monitoring Device Instruction Manual FUNCTION INSTRUCTION OF THE MENU I menu Operation status Operation configure ① (operation password) Report manage II menu III menu Function instruction Sampling parameter Show real-time sampling value of current and voltage Calculated parameter Show real-time sampling calculated value Harmonic parameter Show harmonic parameter of device SYN parameter Show real-time synchronization parameter of device kwh Show calculation value of real-time kwh Switch status Show external input status of device Time configure Setting the operation time Setting events Show the up to date value modifying records Alarm events Show the up to date alarm event records Switch deflection event Protection action event SOE aggregate event Show the up to date switch changed records Show the up to date action event records of the protection Show the up to date all event records Deleted event query Show the up to date event deleted record Print configure Set printing mode Communication configure Unit configure ② (debug Display configure password) Set system parameters of the protection device by the applications Set communication address, baud rate and communication mode Set the display and LCD backlight way clearance of the protection device SOE events SOE event delete Removal of SOE events recorded by protection devices Password configure Set running , testing, high password of the protection devices kwh Set energy initial value Output test carry out transmission test of the switch and signal Harmonic accuracy setting Adjust the accuracy under unit input Accuracy calibration Adjust the accuracy under unit input(automatic) Accuracy coefficient Adjust the accuracy under unit input(manual) System configure Unit test ③ (debug password) Interior setting Factory configure ④(manufacture Output matrix password) Output configure Unit information 42 System parameter Manufacturers to modify the initial and set well Manufacturers to modify the initial and set well Manufacturers to modify the initial and set well Version information Show the version, check codes and time generated procedures of the protection device Self-check information Show the communication status NEW CENTURY-RELAYS EDCS-8220 General Monitoring Device Instruction Manual Note: 1) If operation password is correct, enter ―operation configure‖ menu and it will display ―time configure‖ menu If wrong, it will return to I-menu 2) If debug password is correct, enter ―unit configure‖ menu and it will display the whole II-menu, meanwhile, modifying the content of all menu is available If wrong, it will return to I-menu 3) If password is correct, enter ―unit test‖ menu and it will display the whole II-menu, meanwhile, modifying the content of all menu is available If wrong, it will return to I-menu 4) If password is correct, entering ―factory configure‖ menu can modify the content of the menu If wrong, it will return to I-menu 43 NEW CENTURY-RELAYS EDCS-8220 General Monitoring Device Instruction Manual DEVICE OPERATIONS 2.1 NORMAL OPERATING STATE 2.1.1 INDICATOR DESCRIPTION 1) Run: green, if CPU and related loop operate normally, the indicator will flicker 2) Communication: green, if there is one normal communication between communication port and outside intelligent device, the indicator will flicker If there is no communication between all communication port and outside intelligent device, the indicator will go out 3) Distance: green, if device is under remote state, the light turns on; if device is under local state, the light turns out Repair: red, when digital input is ―repair state input‖, light the indicator, after exiting, 4) the indicator goes out 5) Backup: red, no definition 6) Alarm: red, if meet all internal and external fault alarm conditions, light the indicator, otherwise the indicator goes out 7) Trip: green,If the breaker is on tripping, light the corresponding trip indicator 8) Close: red,If the breaker is on closing, light the corresponding closing indicator 2.1.2 PUT DEVICE INTO OPERATION The following items must be checked before the device is put into operation 1) Clear the test record data in the devices if no special need 2) No alarm for any abnormal phenomenon in device 3) Each group of setting should be in line with the valuation list in devices 4) The location of breaker and other auxiliary switch reflected by the device should be consistent with the actual situation 2.1.3 OPERATION NOTICE 1) Device in operation is not permitted to disassemble 2) Device in operation is not permitted to test hardware 3) Device in operation is not permitted to modify the setting and device parameter 4) Device in operation is not permitted to delete operation report 5) Device in operation will close LCD automatically (LCD screen alarm function) if that has no information or operation for a long time in order to extend life The LCD would be light if has information or operation 44 NEW CENTURY-RELAYS EDCS-8220 General Monitoring Device Instruction Manual 2.2 ABNORMAL INFORMATION DISPOSA 2.2.1 NO THE SIGNIFICATION OF DEVICE BLOCKING INFORMATION INFORMATION Setting area error Program check code CRC error 2.2.2 NO SIGNIFICATION DISPOSAL ADVICE The content of the setting area Inform manufacturers is destroyed for dealing with Program area is destroyed Inform manufacturers for dealing with THE SIGNIFICATION OF ABNORMAL ALARM INFORMATION INFORMATION SIGNIFICATION DISPOSAL ADVICE B code error B code time abnormal Timing failure Time check process unfinished Problem of clock chip Zero-sequence over voltage delay alarm Zero-sequence over voltage delay alarm Zero sequence over voltage alarm Zero sequence over voltage alarm Zero sequence over voltage alarm Zero-sequence voltage Check sampling abnormal value Zero-sequence voltage Check sampling abnormal value Zero-sequence voltage Check sampling abnormal value Zero-sequence voltage Check sampling abnormal value Zero-sequence voltage Check sampling abnormal value Determine the cause of error whether is secondary circuit or TA circuit or sample circuit is hardware by abnormal checking acquisitions and secondary circuit wiring Determine the cause of error whether is secondary circuit or TV circuit or sample circuit is hardware by abnormal checking acquisitions and secondary circuit wiring TV circuit or sample circuit is As above abnormal TV circuit or sample circuit is As above abnormal TV circuit or sample circuit is As above abnormal Voltage & frequency not meet Check sampling terms under synchronization value NOTE Check the GPS satellite clock Incorrect B code explanation or Check the GPS unreceived satellite signal satellite clock NOTE Without B code signal resource TA disconnect alarm 10 TV fuse failure alarm 11 TV fuse failure alarm 12 TV fuse failure alarm 13 TV fuse failure alarm 14 Alarm for not meeting synchronization terms 15 Return time out as voltage and Alarm for synchronization Check the state of frequency differential meet check exiting slip angle synchronization 45 NEW CENTURY-RELAYS EDCS-8220 General Monitoring Device Instruction Manual Alarm for frequency over lower limit Alarm for frequency over upper limit Frequency is over normal range Frequency is over normal range Check sampling value Check sampling value 18 Alarm for frequency over lower limit Frequency is over normal range Check sampling value 19 Alarm for frequency over lower limit Frequency is over normal range Check sampling value 20 Remote control tripping blocking Not meet tripping terms Check whether meet logic terms 21 Remote control closing blocking Not meet closing terms Check whether meet logic terms 22 I side zero sequence over voltage alarm Zero sequence abnormal Check sampling value 16 17 46 NEW CENTURY-RELAYS EDCS-8220 General Monitoring Device Instruction Manual INSTALLATION INSTRUCTIONS 3.1 PACKAGING OPENING INSPECTION 1) Open the package to check whether the device appearance is intact 2) Inspects to ensure whether the quality certificate, supporting documents, attachments, spare parts and other requirements is in line with the order as well as the type, name, number and so on described in packing list 3) If you have any questions, please contact with the factory in time 3.2 INSTALLATION NOTICE 3.2.1 1) INSTALLATION Protection cubicle (cabinet) must be reliable grounding, in which are equipped with ground copper that is required to submit the grounding net reliably 2) Devices should be firmly fixed on the cubicle (cabinet), and connected screws should be fastened 3) The grounding terminals of devices and the earth of cubicle (cabinet) must be reliably connected to the grounding bus bar and system earth with the ground wire 4) Possibly, the device should choose shielded cable to ground the shielding layer in the switching field and the control room at the same time, and each phase current line and neutral line should be placed within the same cable 5) The secondary circuit of current transformer is grounded in the protection cabinet only 6) Wiring installations should comply with the requirements of wiring diagram 3.2.2 SHIELDED GROUNDING CONNNECTION ! The device is provided with "shielding ground" terminal which must be connected to earth A well-low-impedance grounding line is an effective guarantee that prevents the device from the interference of surge and transient pulse The switchgear panel connecting shaft cannot be as a grounding circuit, and the grounding resistance should be less than Ω Note: The bad shield grounding could lead to permanent damage to the device in operation, so it should not be put into use before affirming the device to be grounded reliably 47 NEW CENTURY-RELAYS EDCS-8220 General Monitoring Device Instruction Manual CIRCUIT TEST 4.1 TEST NOTICE 1) Please read this test syllabus and this instruction manual carefully before test 2) As little as possible draw device module, not touch the module circuit and draw module with power 3) Use qualified test instrument, electric iron and oscillograph which must be grounded reliably togther with cubicle (cabinet) 4) Before the trial, check the cabinet and relay whether there is an obvious injury or screw loosening in service transit, particularly, the screw and lace of TA loop which does not allow any loosening 5) Check the procedure check code and the formation time 4.2 AC LOOP CHECK 1) Zero drift check Shorted the voltage circuit and disconnected current circuit within the terminals, enter into the sub-menu "sampling parameters" of "operating status" to view voltage and current zero-drift value, the requirements I ≤ 0.01In, U ≤ 0.01Un 2) Sampling accuracy test Enter into the sub-menu "sampling parameters" of "operating status" and add rated power in the terminals of protection screen The samples displayed on the LCD screen should be equal to the actual dosage; the error is less than ±5% 4.3 INPUT CONTACT CHECK Enter into the submenu ―Digital input Status‖ of the menu ―Operating Status‖, and simulated the conduction of contact in the alarm screen respectively, the input status showed in the liquid crystal display should be changed, meanwhile a detailed report record the displacement 4.4 OUTPUT CONTACT CHECK It can be carried out by the ―output test ―command in device operation interface and also can together with the setting verify Take a closing drive and tripping drive test with breaker to ensure the correct action of breaker Command mode: disconnect the connection with secondary circuit of external device control loop, enter ―output test‖ submenu of ―device test‖ menu, operate the corresponding output, and check the situation connected to the relay contacts by multi-meter 48 NEW CENTURY-RELAYS EDCS-8220 General Monitoring Device Instruction Manual 4.5 MAINBOARD JUMPER SETTING JP1 and JP2 on CPU board is the selected jumper of RS-485/CAN communication mode J2 and J3 is CAN and RS-485 matched resistance jumper respectively J6 and J7 is frequency selected jumper 4.6 DEVICE UNIT TEST 4.6.1 ZERO-SEQUENCE OVER-VOLTAGE ALARM In EDCS82201: Input zero-sequence over-voltrage time control command, and set zero-sequence over-voltage value Input zero-sequence voltage which is more than zero-sequence over-voltage value through the corresponding channel, the alarm should act and send out information after setting delay Input zero-sequence over-voltrage time alarm control command, and set zero-sequence over-voltage value Input zero-sequence voltage which is more than zero-sequence over-voltage value through the corresponding channel, the alarm should act and send out information after setting delay 4.6.2 SYNCHRONIZATION CLOSING Input synchronization check control command and set well the synchronizaton value Input voltage which is more than low-voltage blocking value to the two synchronization voltage channel, and the device will automaticly detect the voltage differential, frequency differential and slipping angle after ―remote control closing‖operation If all terms are satisfied, output closing will be done Note: when synchronization phase identification selection is phase voltage and line Vol 2nd value is set as 100V, synchronization voltage Um is equal to phase voltage multiply 1.732 4.6.3 TA DISCONNECTION Input rated three phase current to current channel and break one phase current, it should operate and send out information after delay 4.6.4 TV FUSE FAIL Input rated three phase current to bus voltage channel and break one phase current, it should operate and send out information after delay 49 NEW CENTURY-RELAYS 4.6.5 EDCS-8220 General Monitoring Device Instruction Manual FREQUENCY OVER LIMIT ALARM TEST Add the voltage frequency of voltage channel that sampling frequency to be greater than the lower limit setting of frequency 1, and it will alarm and send information by 10s delay Frequency over upper limit, frequency over lower limit and frequency over upper limit are the same 4.6.6 SWITCH TRANSMISSION TEST Input remoter control switching closing output matrix, and imitate switch transmission test through operating switch closing 4.6.7 ON-LOAD TEST After on-load operation, enter into the ―Operating Status‖ to check whether the protection sampling amplitude and relavent phase relationship is correct 50 NEW CENTURY-RELAYS EDCS-8220 General Monitoring Device Instruction Manual PRINT ACTION REPORT Printing device information through menu, which includes the follows: 1) Action event report; 2) Setting modifying records 3) Digital input deflection records TRANSPORTATION AND STORAGE Devices should be stored indoors that the temperature is -10 ℃ ~ +40 ℃, relative humidity not more than 80 % and the ambient air does not contain corrosive, flammable, explosive and dangerous things Avoid severe vibration, shock and collision in conveying 51 NEW CENTURY-RELAYS EDCS-8220 General Monitoring Device Instruction Manual APPENDIX 7.1 CHASSIS STURCTURE 7.1.1 PANEL LAYOUT EDCS-8220 重 庆 新 世 纪 电 气 FIG 7-1 Panel layout 7.1.2 A A 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 01 02 03 04 05 06 07 08 09 10 11 12 A B 01 02 03 04 05 06 07 08 09 10 11 12 13 C B B B B D 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 FIG 7-2 Terminal layout (back view) DEVICE INSTALLATION FIG 7-3 Vertical view 52 A A + A 24V OPERATE A FIG 7-4 Relay opening layout (Rear View) NEW CENTURY-RELAYS EDCS-8220 General Monitoring Device Instruction Manual 7.2 COMMUNICATION CONNECTION 7.2.1 CAN COMMUNICATION CONNECTION EDCA-7000, 8000 series protection of measuring and controlling device can use CAN site bus, the connection of the network adopted shielded twisted pair wire is shown as follow Computer or communication manage CAN EDCS-82202 CANH CANH 07 EDCS-81201 CANL CANH 02 07 EDCS-8210 CANL CANH 02 07 CANL 02 CANL R G00 G00 G00 G00 FIG 7-5 CAN communication connection chart In order to improve communication quality, suggestions for user’s reference are as follows: 1) Recommended: 500k（Distance≤90m）, 250k（Distance≤180m）, 125k（Distance≤300m）, 50k（Distance≤800m）, 20k（Distance≤2000m） 2) Communication lines must be connected fast and reliably The communication in whole system will be affected if the connection of communication lines is bad, disconnected, shorted-circuit or the configuration of communication parameters is not right 3) Only one resistor of 120 Ω is permitted to connect with the device side of the bus in a whole CAN network of system Communication bus and matching resistor makes a loop which effectively prevent the self-excited oscillation on the bus to influence the communication 4) The shield ground G00 of the communication network should be connected with the shield ground of computer 5) The above wring chart is taking PCL-841CAN bus communication card, for an example The CAN signal is transmitted by the short frame that the valid bytes count to 8, so that the transmitting time is short, interfered probability is low The function of automatic close will cut off the contact of the node with bus when the node communication is severity mistake so that the communication and other nodes on the bus are not influenced So the anti-interference ability is very strong The CAN bus can work in peer-to-peer, any node can send information at any time to all others on bus, which can structure many host systems 7.2.2 RS-485 COMMUNICATION LINEAR CONNECTION EDCS-7000 & 8000 is intended to adopt RS-485 for network group communication, which utilizes communication protocol of IEC-60870-5-103 RS-485 transmits signals via Shielded Twisted Pair (STP), whose communication distance is possibly up to 1200m Yet in case of a transmission line being connected with quite a few of RS-485 devices, or the operating Baud rate being fairly high, the communication distance will correspondingly get a shrinking EDCS-7000 & 8000 series products are generally used as slaver devices in a practical system, communicated 53 NEW CENTURY-RELAYS EDCS-8220 General Monitoring Device Instruction Manual with host devices as PC and communication manager etc If the master is not provided with RS-485 port but only the RS-232, the RS-232/485 convertor would be used (a kind of equipment used for transforming the interface level between RS-232 and RS-485) In fact, RS-485 net may be various topology structures, take the RS-422/485 communication car (PCL-745) for example The line form connection, which is connecting the devices of EDCS-7000, 8000 series to the communication network one after another from the place of master to the end, is suitable for the situation that the devices are fixed concentration and there is expanding demand in future It is illustrated in figure 7-6 In figure 7-6, Rt is an anti-reflective resistor which resistance must match for the cable impedance Generally be 120Ω Computer or communicate EDCS-82202 485 A A 04 EDCS-8120 B A 09 04 EDCS-8210 B A 09 04 B 09 B R G00 G00 G00 G00 FIG 7-6 Communication connected wiring of RS-485 To improve the quality of communication, suggestions for user’s reference are as follows: 1) High-quality STP is essential and it is recommended the shielded twisted pair with AWG22 （0.25mm2）Two twisted wires should differ from colour 2) Communication lines must be connected fast and reliably The communication in whole system will be affected if the connection of communication lines is bad, disconnected, shorted-circuit or the configuration of communication parameters is not right 3) Pay more attention to the single point grounding of the shielded layer; the so-called single-point grounding means that one and only one point on the shielded layer of one communication line is earthed Grounding at both ends will bring the ground loop current, resulting in inducing noise interference on the communication cable 4) On one communication line, the RS-485 ports must be the A (+) connected to A (+), B (-) to B (-), not be reverse 5) Communication lines should be away from the sources of electromagnetic interference, such as strong electricity lines, as far as possible 54 NEW CENTURY-RELAYS 7.2.3 EDCS-8220 General Monitoring Device Instruction Manual ETHERNET COMMUNICATION CONNECTION When single device is connected to Ethernet card, choose cross twisted-pair connection way When single device is connected with network device (such as switch), either direct or cross twisted-pair connection way RJ-45 white orange orange white green blue white blue green white brown brown RJ-45 8 RJ-45 white green white orange green white orange orange white green blue white blue green white blue orange white brown blue white brown brown brown FIG 7-7 Cross-twisted-pair connections RJ-45 white orange orange white green green white blue blue white brown brown FIG 7-8 Direct-twisted-pair connections To improve the quality of communication, suggestions for user’s reference are as follows: 1) Select high-quality category 5e shielding network line 2) Communication cables connection must be imprisonment, reliable; joint bad, disconnected, short-circuit or shorted, and communications parameters set incorrectly can affect normal communication of the whole system 3) The color of two crystal connection is more than above one, but it can get the best effect if choose above colors 7.2.4 B CODE COMMUNICATION CONNECTION EDCS-7000 and 8000 series device can choose B code communication to check time, and its transmission medium is shielded twisted pair The device is often used as subordinate computer in B code time checking system Linear connection: that is from GPS several EDCS-7000 and 8000 devices access B code communication network one by one This connection is suitable for those situations which with the extension requirement in the future devices are much more centralized EDCS-7000, 8000 series device can check time through GPS to achieve the synchronization of device clock and astronomical clock GPS EDCS-82202 GPS+ GPS+ 01 GPS EDCS-8120 GPS- GPS+ 06 01 EDCS-8210 GPS- GPS+ 06 01 - G00 GPS06 R G00 G00 G00 FIG 7-9 Communication connected wiring of B code 55 NEW CENTURY-RELAYS EDCS-8220 General Monitoring Device Instruction Manual 7.3 ORDER NOTICE Power supply □220V DC □110V DC □other V System voltage level □110kV □35kV □other kV Switching voltage □220V DC □110VDC □other V Input number □≤18 □other Output number □≤8 □other DC collection mode □4～20mA □0～5V DC collection □≤6 □other Rated AC current □5A □1A TV connection mode □YY □VV Device size Device color 56 mm × mm × mm □1～5V □other ... version: EDCS- 82201 General monitoring device version V1. ** UPDATING RECORD OF INSTRUCTION’S VERSION NO Instruction Version Updating abstract V1. 10 May 23rd, 2010 V1. 11 Jun 3rd, 2011 V1. 12 September... close operate Remote Ctrl 13 trip operate Remote Ctrl 13 trip operate Remote Ctrl 13 trip operate Remote Ctrl 13 close operate Remote Ctrl 13 close operate Remote Ctrl 13 close operate Remote Ctrl... times NEW CENTURY-RELAYS EDCS- 8220 General Monitoring Device Instruction Manual The detailed configurations of each model device see the following table: MODEL NO EDCS- 82201 NAME GENERAL MONITORING