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4�9�- RS-485 COMMUNICATIONS

Computer SMART III FAST

units have an RS-485 serial communication output with the

Modbus RTU

® communications protocol

4�9�1� CONNECTIONS

The RS -485 cable should be wired with a twisted pair cable with mesh shield (minimum 3 wires), with

a maximum distance between the

Computer SMART III FAST

and the master unit of 1,200 metres.

A maximum of 32

Computer SMART III FAST

units can be connected to this bus.

Use an intelligent RS-232 to RS-485 network protocol converter (M54020 intelligent converter) to

establish the communications with the master unit. This converter does away with the need for the Pin

7 connection on the RS-485 side.

B ( - )

A ( + )

A( + )

B( - )

RS-232 / USB / Ethernet / Profibus ...

RS-485

RS-232

USB

Ethernet

Profibus

...

Figure 16: RS-485 Connection diagram�

Instruction Manual

Computer SMART III FAST

Содержание Computer SMART III FAST 12

Страница 1: ...INSTRUCTION MANUAL M021B01 03 21A REACTIVE ENERGY REGULATOR Computer SMART III FAST Static operation...

Страница 2: ...2 Computer SMART III FAST Instruction Manual...

Страница 3: ...ing should be taken into consideration Incorrect handling or installation of the unit may result in injury to personnel as well as damage to the unit In particular handling with voltages applied may r...

Страница 4: ...4 1 2 STAGES AND STEPS 21 4 1 3 FCP SYSTEM FAST COMPUTERIZED PROGRAM 21 4 1 4 REGULATION PROGRAM 21 4 1 5 PLUG AND PLAY 22 4 1 6 CONNECTION TIME TON AND RECONNECTION TIME TREC 22 4 1 7 THD AND HARMON...

Страница 5: ...S 90 5 19 CPC NET COMMUNICATIONS 91 5 20 CLEAR 92 5 21 ENABLING ALARMS 93 5 22 VOLTAGE ALARMS 94 5 23 COS LOW ALARM 95 5 24 COS HIGH ALARM 96 5 25 VOLTAGE THD ALARM 97 5 26 CURRENT x I THD ALARM 98 5...

Страница 6: ...1B01 03 20B Changes in sections 4 9 3 5 16 01 21 M021B01 03 21A Changes in sections 4 6 1 4 9 3 5 3 5 12 5 23 5 24 Note Devices images are for illustrative purposes only and may differ from the actual...

Страница 7: ...at measures the grid cosine and regulates capacitor connection and disconnection in order to correct it It also calculates and displays the main electrical parameters of balanced or unbalanced single...

Страница 8: ...Computer SMART FAST III 12 model for regulating the cos by means of capacitors RS 485 communications MODBUS RTU CPC NET communications port 8 Computer SMART III FAST Instruction Manual...

Страница 9: ...is detected in the unit do not use the unit to take any measurements Inspect the work area before taking any measurements Do not take measurements in dangerous ar eas or where there is a risk of expl...

Страница 10: ...lly the transformation ratio of these CTs is In 5 A where In is at least 1 5 times the total maximum load current The secondary cables of the current transformers CT must have a minimum cross section...

Страница 11: ...ent input 31 1 Digital input 1 10 S2 L2 current input 32 2 Digital input 2 11 S1 L3 current input 33 C Digital inputs common 12 S2 L3 current input 34 1 Digital output 1 13 S1 Leakage current input 35...

Страница 12: ...Power Supply COM 1 2 3 4 5 6 COM ACT C1 C6 Power Supply Figure 3 3 voltages Neutral and 3 currents Computer SMART III FAST 6 model Note If the connection layout mentioned above is not respected you mu...

Страница 13: ...9 10 11 12 COM ACT C1 C12 Power Supply Power Supply Figure 4 3 voltages Neutral and 3 currents Computer SMART III FAST 12 model Note If the connection layout mentioned above is not respected you must...

Страница 14: ...ages Neutral and 1 current Computer SMART III FAST 6 model Note If the connection layout mentioned above is not respected you must adjust the phase following the procedure described in section 5 6 PHA...

Страница 15: ...6 3 voltages Neutral and 1 current Computer SMART III FAST 12 model Note If the connection layout mentioned above is not respected you must adjust the phase following the procedure described in sectio...

Страница 16: ...mputer SMART III FAST 6 model Note If the connection layout mentioned above is not respected you must adjust the phase following the procedure described in section 5 6 PHASE CONNECTION Note In this ty...

Страница 17: ...rrent Computer SMART III FAST 12 model Note If the connection layout mentioned above is not respected you must adjust the phase following the procedure described in section 5 6 PHASE CONNECTION Note I...

Страница 18: ...apacitor bank TC LOAD CAPACITORS S1 S2 P1 P2 I S1 S1 S2 S2 IL1 IL2 IL3 Figure 9 Connection of the leakage current transformer I Note The earth leakage transformer must have a ratio of 500 turns The ma...

Страница 19: ...ed on the following screen appears on the display Figure 10 which shows the name of the unit the version and the model Figure 10 Computer SMART III FAST home screen After a few seconds the main measur...

Страница 20: ...mputer SMART III FAST Performs the functions of a network analyzer measuring and displaying multiple parameters Has a Plug Play function for automatic configuration of the unit Has an AutoTest and man...

Страница 21: ...connected the longest is connected when there is demand and the stage that has been connected the longest is disconnected when there is a surplus 4 1 4 Regulation program The power ratings of the vari...

Страница 22: ...er connection time improves the power factor correction when the load can change quickly However a shorter Ton will lead to a higher number of connections per time unit possibly shortening the useful...

Страница 23: ...Power M kVA Total Reactive Power M kvar Inductive Reactive Power M kvarL Capacitive Reactive Power M kvarC Power factor PF Cos Voltage THD THD V Current THD THD A Harmonic Breakdown Voltage up to the...

Страница 24: ...ductive Reactive Power M kvarL Capacitive Reactive Power M kvarC Power factor PF Cos Voltage THD THD V Current THD THD A L1 Harmonic Breakdown Voltage up to the 17th harmonic harm V Harmonic Breakdown...

Страница 25: ...tive Reactive Power M kvarL Capacitive Reactive Power M kvarC Power factor PF Cos Voltage THD THD V L1 L2 Current THD THD A L1 Harmonic Breakdown Voltage up to the 17th harmonic harm V L1 L2 Harmonic...

Страница 26: ...he Test screens Note See 4 6 1 MEASUREMENT STATUS for further details Key functions on the Configuration and Test screens query mode Table 8 Table 8 Key functions on the Configuration and Test screens...

Страница 27: ...d Test screens edit mode Key Short press Increase the value or show the next option Reduce the value or show the previous option Next configuration parameter Previous configuration parameter Exit Edit...

Страница 28: ...e data area displays the instantaneous maximum and minimum values of each one of the phases which the unit is measuring or calculating Status of the capacitors displays the status of the unit s relays...

Страница 29: ...menu 5 13 STATUS OF THE STAGES the status of the stages is selected from the following options AUTO The status of the stage depends on the operation performed by the unit On Stage forced to ON always...

Страница 30: ...apacitors 4 4 4 OTHER SYMBOLS ON THE DISPLAY The display also shows the following Alarm When the unit detects an alarm the backlight of the display flashes and the alarm icon lights up The cause of th...

Страница 31: ...by blinking once per second An Alarm LED Indicates that an alarm is activated A Fan LED Indicates that the fan is operating A key pressed LED Lights up when any of the 5 keys are pressed CPU Fan Alarm...

Страница 32: ...s activated the symbol flashes on the display screens every 5 seconds Delete maximum values On the maximum value display screen press the key for more than 3 seconds Delete minimum values On the minim...

Страница 33: ...e Phase Voltages Parameters L1 Phase Phase Voltage V or kV L2 Phase Phase Voltage V or kV L3 Phase Phase Voltage V or kV Phase Phase Voltage III V or kV Display the minimum values Display the maximum...

Страница 34: ...1 Power Factor L2 Power Factor L3 Power Factor Power Factor III L Inductive C capacitive Consumed generated Display the minimum values Display the maximum values Power III Parameters Active Power III...

Страница 35: ...ive Power L2 Inductive Reactive Power L3 Inductive Reactive Power Inductive Reactive Power III kvarL or MvarL Display the minimum values Display the maximum values Capacitive Reactive Power Parameters...

Страница 36: ...um values Display the maximum values Leakage current Frequency Temperature Parameters Leakage current mA Frequency Hz Temperature C Display the minimum values Display the maximum values Voltage THD Pa...

Страница 37: ...17 Display the maximum values Current THD Parameters L1 Current THD L2 Current THD L3 Current THD Display the maximum values Current harmonics Parameters L1 Current harmonic L2 Current harmonic L3 Cur...

Страница 38: ...Energy III generated kvarCh or MvarCh Apparent Energy III generated kVAh or MVAh Operations Parameters No of operations of stage C1 to C12 Three screens show the number of operations of the 12 possib...

Страница 39: ...onds E04 Overcurrent The measured current exceeds the nominal current by 20 in some of the phases The nominal current is considered to be that of the CT primary In order to avoid possible false action...

Страница 40: ...again view the configuration of the Leakage alarm E16 Leakage transformer detection Alarm The Leakage alarm has been enabled but the unit does not detect the connection of the leakage current transfo...

Страница 41: ...o switch to the Currents screen Phase Neutral Voltages Parameters L1 Phase Neutral Voltage V or kV L2 Phase Neutral Voltage V or kV L3 Phase Neutral Voltage V or kV Phase Neutral Voltage III V or kV D...

Страница 42: ...ters Cos L Inductive C capacitive consumed generated Display the minimum values Display the maximum values Press the key to switch to the Energy III consumed screen Power Factor Parameters Power facto...

Страница 43: ...kVA or MVA Display the minimum values Display the maximum values Leakage current Frequency Temperature Parameters Leakage current mA Frequency Hz Temperature C Display the minimum values Display the m...

Страница 44: ...ange the harmonic no 3 5 7 9 11 13 15 17 Display the maximum values Current THD Parameters Current THD Display the maximum values Current harmonics Parameters Current harmonic Change the harmonic no 3...

Страница 45: ...generated kvarCh or MvarCh Apparent Energy III generated kVAh or MVAh Operations Parameters No of operations of stage C1 to C12 Three screens show the number of operations of the 12 possible stages f...

Страница 46: ...tive Power III kW or MW Reactive Power III kvar or Mvar inductive capacitive Cos L Inductive C capacitive consumed generated Phase Phase Voltage V or kV Display the minimum values Display the maximum...

Страница 47: ...ters Cos L Inductive C capacitive consumed generated Display the minimum values Display the maximum values Press the key to switch to the Energy III consumed screen Power Factor Parameters Power facto...

Страница 48: ...parent Power III kVA or MVA Display the minimum values Display the maximum values Leakage current Frequency Temperature Parameters Leakage current mA Frequency Hz Temperature C Display the minimum val...

Страница 49: ...5 7 9 11 13 15 17 Display the maximum values Current THD Parameters Current THD Display the maximum values Current harmonics Parameters Current harmonic Change the harmonic no 3 5 7 9 11 13 15 17 Dis...

Страница 50: ...generated kvarCh or MvarCh Apparent Energy III generated kVAh or MVAh Operations Parameters No of operations of stage C1 to C12 Three screens show the number of operations of the 12 possible stages f...

Страница 51: ...A very long press 10s of the key in any of the measurement screens causes the unit to enter the Test status A very long press 10s of the key in any of the test screens causes the unit to return to the...

Страница 52: ...of the key cancels the AutoTest At the end of the AutoTest the unit automatically returns to the Individual Test screen Individual Test Parameters Leakage current mA Capacitive Reactive Power kvarC or...

Страница 53: ...rent THD Test Parameters Display screen of the Current THD 2U 1C and 3U 1C connection L1 Current THD 3U 3C connection L2 Current THD 3U 3C connection L3 Current THD 3U 3C connection Power III Test Par...

Страница 54: ...s 37 and 38 of Figure 2 dedicated to activating a fan when a pre determined temperature is exceeded which can be programmed in 5 16 FAN is also connected to the Fan LED A fully programmable alarm rela...

Страница 55: ...ST and the master unit of 1 200 metres A maximum of 32 Computer SMART III FAST units can be connected to this bus Use an intelligent RS 232 to RS 485 network protocol converter M54020 intelligent conv...

Страница 56: ...iple logs Exception codes If the bit with greatest weight of the byte corresponding to the function in the reply of the unit is 1 this indicates that the next byte is an exception code Table 12 Except...

Страница 57: ...rent 1C 1D 21C 21D 31C 31D mA L2 Active power 1E 1F 21E 21F 31E 31F W L2 Inductive Reactive Power 20 21 220 221 320 321 varL L2 Capacitive Reactive Power 22 23 222 223 322 323 varC L2 Reactive Power 2...

Страница 58: ...70 371 mA Leakage Current 72 73 272 273 372 373 mA Temperature 74 75 274 275 374 375 C 10 L1 voltage THD 7C 7D 27C 27D L2 Voltage THD 7E 7F 27E 27F L3 Voltage THD 80 81 280 281 L1 Current THD 82 83 28...

Страница 59: ...oltage Harmonic 42C 42D 4B0 4B1 mA L3 Voltage Harmonics 42E 441 4B2 4C5 10 L1 Fundamental Current Harmonic 442 443 4C6 4C7 mA L1 Current Harmonics 444 457 4C8 4DB 10 L2 Fundamental Current Harmonic 45...

Страница 60: ...Bit 2 Bit 1 Bit 0 E16 E15 E14 E13 E12 E11 E10 E09 E08 E07 E06 E05 E04 E03 E02 E01 Bit 32 Bit 31 Bit 30 Bit 29 Bit 28 Bit 27 Bit 26 Bit 25 Bit 24 Bit 23 Bit 22 Bit 21 Bit 20 Bit 19 Bit 18 Bit 16 E17 Wh...

Страница 61: ...odd 2 even 0 Stop bits 1085 0 1 bits 1 2 bits 0 Table 19 Modbus memory map programming variables Table 4 Transformation ratios Configuration variable Address Valid data margin Default value Current p...

Страница 62: ...map programming variables Table 8 Display Configuration variable Address Valid data margin Default value Lighting Backlight 1125 0 Comes on when pressing a key 1 ON 2 OFF 0 Lighting level 1126 0 10 Va...

Страница 63: ...s Table 14 Connection and reconnection time Configuration variable Address Valid data margin Default value Connection time 113C 0 999 network cycles 10 Reconnection time 113D 0 999 network cycles 50 T...

Страница 64: ...Address Valid data margin Default value Overvoltage value 114E 114F 0 99999 440 No Voltage Value 1150 1151 0 99999 360 Table 38 Modbus memory map programming variables Table 23 No of operations Confi...

Страница 65: ...sociated with Alarm E10 1179 0 Output associated with Alarm E11 117A 0 Output associated with Alarm E12 117B 0 Output associated with Alarm E13 117C 0 Output associated with Alarm E14 117D 0 Output as...

Страница 66: ...s are designed to control static capacitor banks where they can operate through optoMOS relay outputs or through communications If communications are used they must be connected to CPC3i xRS zero swit...

Страница 67: ...Table 43 Meaning of the 8 bytes DD0 DD7 Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 DD0 thy3_np2 thy2_np2 thy1_np2 thy3_np1 thy2_np1 thy1_np1 DD1 thy3_np4 thy2_np4 thy1_np4 thy3_np3 thy2_np3...

Страница 68: ...display The password to be entered is a combination of keys It is unique and cannot be configured If it is not entered correctly the unit returns to the previous measurement screen If it is entered co...

Страница 69: ...to start the Plug Play function Once started the unit undertakes a process of connecting and disconnecting capacitors measurement and calculation in order to obtain the following parameters of the ca...

Страница 70: ...If any errors occur during the execution of the Plug Play function the process will be aborted and the errors will be displayed on the screen When a parameter has been calculated correctly before the...

Страница 71: ...solve the possible problems with faulty capacitors by means of maintenance or replacement as well as to configure all the stages in Auto mode as they come by default Conditions for the correct operati...

Страница 72: ...urrent primary Maximum value 9999 Minimum value 1 Current secondary Possible values 1 or 5 Maximum possible current ratio 2500 Note The current ratio is the ratio between the current primary and secon...

Страница 73: ...it is inductive L or capacitive C Press the key to enter editing mode It is identified by the symbol and the blinking of the digits to be modified The key increases the digit value or shows the next o...

Страница 74: ...igit value The key decreases the digit value The key skips to the previous digit and the key skips to the next digit Press to validate the data the symbol disappears from the display Ton Maximum value...

Страница 75: ...s parameter is used to adapt the unit to the various options for connecting the power supply and measurement cables and the current transformers to the phases of the three phase system The connection...

Страница 76: ...hes to the simulation screen 5 30 SIMULATION SCREEN Table 45 Phase connection options Phases V measurement phase CT connection phase PH1 L1 L2 L3 L1 PH2 L1 L2 L3 L2 PH3 L1 L2 L3 L3 PH4 L1 L2 L3 L1 inv...

Страница 77: ...t programming step If no keys are pressed for 5 minutes the unit switches to the simulation screen 5 30 SIMULATION SCREEN 5 7 NO OF STAGES In this point the number of stages is selected in other words...

Страница 78: ...M When configuring the program remember that the subsequent stage cannot be lower than the prior stage and that the first stage is always 1 Also program the system that controls the connection sequenc...

Страница 79: ...tage Table 46 C K factor table 1 CT Ratio Ip Is Power of the smallest stage at 400 V in kvar 2 5 5 0 7 5 10 0 12 5 15 0 20 0 25 0 30 0 40 0 50 0 60 0 75 0 80 0 150 5 0 12 0 24 0 36 0 48 0 60 0 72 0 96...

Страница 80: ...5 0 04 0 05 0 05 0 07 0 09 0 11 0 14 0 14 4000 5 0 04 0 05 0 07 0 08 0 10 0 11 For other voltages or conditions not included in the table the value of C K can be obtained by means of a simple calculat...

Страница 81: ...its to be modified The key increases the digit value The key decreases the digit value The key skips to the previous digit and the key skips to the next digit Press to validate the data the symbol dis...

Страница 82: ...e Plug Play configuration screen 5 1 PLUG PLAY Press the key to enter editing mode It is identified by the symbol and the blinking of the digits to be modified The key shows the next option The key sh...

Страница 83: ...99999 Minimum value 1 Voltage secondary Maximum value 99999 Minimum value 1 Maximum possible voltage ratio 1000 Note The voltage ratio is the ratio between the primary and secondary voltage Maximum va...

Страница 84: ...ncreases the digit value or shows the next option The key reduces the digit value or shows the next option The key skips to the previous digit and the key skips to the next digit Press to validate the...

Страница 85: ...stem does not take into account its connected power By default all the stages are configured as AUTO On the measurement screens the forced states of the stages are shown by activating the bottom line...

Страница 86: ...nutes The light level is also configured between 0 and 100 when the display is on The display language options are as follows ESP Spanish EnG English FrA French Tr Turkish The key increases the digit...

Страница 87: ...tage of power connected to the capacitor bank relative to the total power THdI the Current THD of each phase I the current of each one of the phases nO no parameters are displayed The key shows the ne...

Страница 88: ...digit value or shows the next option The key decreases the digit value or shows the next option The key skips to the previous parameter and the key skips to the next parameter Press to validate the da...

Страница 89: ...ORMATION RATIO The key increases the digit value or shows the next option The key reduces the digit value or shows the next option The key skips to the previous parameter and the key skips to the next...

Страница 90: ...xt option The key decreases the digit value or shows the next option The key skips to the previous digit or the previous parameter The key skips to the next digit or the next parameter Press to valida...

Страница 91: ...ecreases the digit value or shows the next option The key skips to the previous digit or the previous parameter The key skips to the next digit or the next parameter Press to validate the data the sym...

Страница 92: ...ameters can be deleted n maximum and minimum values E energies C number of connections of the stages The key shows the next option The key shows the previous option The key skips to the previous param...

Страница 93: ...ror or alarm Association with a relay or digital output alarm reLay the activation of the alarm is associated with the alarm relay d1 the activation of the alarm is associated with digital output 1 d2...

Страница 94: ...ms are triggered the unit enters the Disconnection status and disconnects all the stages The unit does not return to its normal operating status until the cause for the alarm disappears The key increa...

Страница 95: ...ctivations of said alarms they have a predefined delay of 15 seconds The parameters to be configured are The current value The cos value it is inductive L The key increases the digit value or shows th...

Страница 96: ...false activations of said alarms they have a predefined delay of 15 seconds The current value The cos value it is capacitive C The key increases the digit value or shows the next option The key reduce...

Страница 97: ...30 minutes alarm E08 is triggered and if alarm E11 is enabled the Computer SMART III FAST unit enters No Connection status and activates alarm E11 The HI value if the unit exceeds this value for 30 s...

Страница 98: ...ENT x I THD ALARM In this point the thresholds above which the alarm for the percentage of the value of the current x ITHD E09 is activated can be configured The programmed values are useful for the 3...

Страница 99: ...t them if the operation requires it In the Disconnection status it disconnects all the stages and does not allow them to connect The key increases the digit value The key decreases the digit value The...

Страница 100: ...9 is triggered and if alarm E12 is enabled the Computer SMART III FAST unit enters Disconnection status and activates alarm E12 If the unit falls back under the Lo value for 10 minutes it deactivates...

Страница 101: ...this value alarm E13 is triggered Search for the responsible stage if this parameter is programmed as ON the unit performs a process of connecting and disconnecting all the stages in order to find whi...

Страница 102: ...abled 5 21 ENABLING ALARMS Press the key to enter editing mode It is identified by the symbol and the blinking of the digits to be modified There are thousands of operations k so a value of 100 k will...

Страница 103: ...hich can be used to decide to enter the measurement status if the key is pressed for 3 seconds or if no keys are pressed for 5 minutes or to return to the configuration screens when pressing any of th...

Страница 104: ...uit By means of an earth leakage transformer with a ratio of 500 turns Nominal current of the secondary 3 mA Current measurement margin 10 mA to 1 5 A Minimum measurement current Istart 10 mA Measurem...

Страница 105: ...top bits 1 2 Parity none even odd Environmental features Operating temperature 10 C to 55 C Storage temperature 20 C to 70 C Relative humidity with no condensation 5 95 Maximum altitude 2 000 m Protec...

Страница 106: ...EM UNE EN 61000 2007 Electromagnetic compatibility CEM Part 6 Generic standards Section 2 Generic immunity standards for industrial environments UNE EN 61000 6 2 2005 Electromagnetic compatibility CEM...

Страница 107: ...installation or improper usage of the unit Consequently this guarantee does not apply to failures occurring in the following cases Overvoltages and or electrical disturbances in the supply Water if t...

Страница 108: ...9 CE CERTIFICATE 108 Computer SMART III FAST Instruction Manual...

Страница 109: ...109 Instruction Manual Computer SMART III FAST...

Страница 110: ...110 Computer SMART III FAST Instruction Manual...

Страница 111: ...111 Instruction Manual Computer SMART III FAST...

Страница 112: ...CIRCUTOR SA Vial Sant Jordi s n 08232 Viladecavalls Barcelona Tel 34 93 745 29 00 Fax 34 93 745 29 14 www circutor es central circutor com...

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