Circutor Computer SMART III 12 Instruction Manual Download Page 4

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CONTENTS

SAFETY PRECAUTIONS ��3

1�- VERIFICATION UPON RECEPTION ��7

2�- PRODUCT DESCRIPTION ��7

3�- DEVICE INSTALLATION ��9

3�1�- PRIOR RECOMMENDATIONS ��9

3�2�- RECOMMENDATIONS FOR USING THE COMPUTER SMART III REGULATOR IN MEDIUM-VOLTAGE AUTOMATIC

CAPACITOR BANKS ��9

3�3�- INSTALLATION ��10

3�4�- DEVICE TERMINALS �� 12

3�5�- CONNECTION DIAGRAM �� 13

3�5�1�- 3 VO NEUTRAL AND 3 CURRENTS, COMPUTER SMART III 6 MODEL �� 13

3�5�2�- 3 VO NEUTRAL AND 3 CURRENTS, COMPUTER SMART III 12 MODEL �� 14

3�5�3�- 3 VO NEUTRAL AND 3 CURRENTS, COMPUTER SMART III 14 MODEL �� 15

3�5�4�- 3 VO NEUTRAL AND 1 CURRENT, COMPUTER SMART III 6 MODEL �� 16

3�5�5�- 3 VO NEUTRAL AND 1 CURRENT, COMPUTER SMART III 12 MODEL �� 17

3�5�6�- 3 VO NEUTRAL AND 1 CURRENT, COMPUTER SMART III 14 MODEL ��18

3�5�7�- 2 VOLTAGES AND 1 CURRENT, COMPUTER SMART III 6 MODEL �� 19

3�5�8�- 2 VOLTAGES AND 1 CURRENT, COMPUTER SMART III 12 MODEL �� 20

3�5�9�- 2 VOLTAGES AND 1 CURRENT, COMPUTER SMART III 14 MODEL �� 21

3�5�10�- LEAKAGE CURRENT CONNECTION, IΔ ��22

3�6�- STARTING UP THE DEVICE ��23

4�- OPERATION ��24

4�1�- DEFINITIONS ��25

4�1�1� FOUR-QUADRANT REGULATOR ��25

4�1�2� STAGES AND STEPS ��25

4�1�3� FCP SYSTEM (FAST COMPUTERIZED PROGRAM) ��25

4�1�4� REGULATION PROGRAM ��25

4�1�5� PLUG AND PLAY ��26

4�1�6� CONNECTION TIME (TON) AND RECLOSING TIME (TREC) ��26

4�1�7� THD AND HARMONICS ��26

4�2�- MEASUREMENT PARAMETERS ��27

4�2�1� Connection type:

3U.3C

��27

4�2�2� Connection type:

3U.1C

��28

4�2�3� Connection type:

2U.1C

��29

4�3�- KEYBOARD FUNCTIONS �� 30

4�4�- DISPLAY ��32

4�4�1� STATUS OF THE CAPACITORS ��33

4�4�2� STATUS OF THE DEVICE ��33

4�4�3�

ANALOGUE BAR ��34

4�4�4� OTHER SYMBOLS OF THE DISPLAY ��34

4�5�- LED INDICATORS ��35

4�6�-

OPERATING STATES ��36

4�6�1� MEASUREMENT STATUS ��36

4�6�2� TEST STATUS ��55

4�7�- INPUTS �� 58

4�8�- OUTPUTS �� 58

4�9�- COMMUNICATIONS ��59

4�9�1� CONNECTIONS ��59

4�9�2� PROTOCOL �� 60

4�9�3� MODBUS MEMORY MAP �� 61

4�9�4� EXAMPLE OF A MODBUS QUERY ��70

5�- CONFIGURATION �� 71

5�1�-

PLUG&PLAY ��72

5�2�- CURRENT TRANSFORMATION RATIO ��75

5�3�- TARGET COS

��76

Computer SMART III

Instruction Manual

Summary of Contents for Computer SMART III 12

Page 1: ...INSTRUCTION MANUAL M015B01 03 21A REACTIVE ENERGY REGULATOR Computer SMART III...

Page 2: ...2 Computer SMART III Instruction Manual...

Page 3: ...owing 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...

Page 4: ...SMART III 12 MODEL 20 3 5 9 2 VOLTAGES AND 1 CURRENT COMPUTER SMART III 14 MODEL 21 3 5 10 LEAKAGE CURRENT CONNECTION I 22 3 6 STARTING UP THE DEVICE 23 4 OPERATION 24 4 1 DEFINITIONS 25 4 1 1 FOUR QU...

Page 5: ...UE BAR 90 5 17 FAN 90 5 18 UNDERVOLTAGE TRIP 91 5 19 COMMUNICATIONS 93 5 20 CLEAR 94 5 21 ENABLING ALARMS 95 5 22 VOLTAGE ALARMS 96 5 23 COS LOW ALARM 97 5 24 COS HIGH ALARM 98 5 25 VOLTAGE THD ALARM...

Page 6: ...ation in sections 2 4 4 4 5 4 9 3 5 14 05 20 M015B01 03 20B Modification in sections 4 9 3 5 17 01 21 M015B01 03 21A Modification in sections 4 6 1 4 9 3 5 3 5 13 5 23 5 24 Note Devices images are for...

Page 7: ...es the power grid cosine and controls capacitor connection and disconnection in order to correct it It also calculates and displays the main electrical parameters of balanced or unbalanced single phas...

Page 8: ...model or 14 output relays Computer SMART III 14 model for regulating the cos by means of capacitors RS 485 communications MODBUS RTU 8 Computer SMART III Instruction Manual...

Page 9: ...nomaly or malfunction is detected in the device do not use it to take any measurements Inspect the work area before taking any measurements Do not take measurements in dangerous ar eas or where there...

Page 10: ...n could lead to faulty operation and lead to a risk of electrical shock for the user or person handling the device Resonance can occur when the device is connected with no load In this case the voltag...

Page 11: ...compensated as well as the current that is specific to the capacitors Figure 1 CORRECT INCORRECT P1 P2 S1 S2 TC LOAD CAPACITORS The current transformers CT must measure the combined current of the cap...

Page 12: ...urrent input 32 1 Digital input 2 11 S1 L3 current input 33 C Common to the digital inputs 12 S2 L3 current input 34 1 Digital output 1 13 S1 Leakage current input 35 2 Digital output 2 14 S2 Leakage...

Page 13: ...A B Power Supply COM 1 2 3 4 5 6 Relay Power Supply Figure 3 3 voltages neutral and 3 currents Computer SMART III 6 model Note If the connection layout mentioned above is not respected the phase must...

Page 14: ...6 7 8 9 10 11 12 Relay For Computer SMART III 12 Power Supply Figure 4 3 voltages neutral and 3 currents Computer SMART III 12 model Note If the connection layout mentioned above is not respected the...

Page 15: ...supply COM 1 2 3 4 5 6 7 8 9 10 11 12 Relay 13 14 COM Figure 5 3 voltages neutral and 3 currents Computer SMART III 14 model Note If the connection layout mentioned above is not respected the phase m...

Page 16: ...s neutral and 1 current Computer SMART III 6 model Note If the connection layout mentioned above is not respected the phase must be adjusted follow ing the procedure described in section 5 6 PHASE CON...

Page 17: ...ply Figure 7 3 voltages neutral and 1 current Computer SMART III 12 model Note If the connection layout mentioned above is not respected the phase must be adjusted following the procedure described in...

Page 18: ...e 8 3 voltages neutral and 1 current Computer SMART III 14 model Note If the connection layout mentioned above is not respected the phase must be adjusted follow ing the procedure described in section...

Page 19: ...ter SMART III 6 model Note If the connection layout mentioned above is not respected the phase must be adjusted following the procedure described in section 5 6 PHASE CONNECTION Note In this type of c...

Page 20: ...s and 1 current Computer SMART III 12 model Note If the connection layout mentioned above is not respected the phase must be adjusted follow ing the procedure described in section 5 6 PHASE CONNECTION...

Page 21: ...current Computer SMART III 14 model Note If the connection layout mentioned above is not respected the phase must be adjusted following the procedure described in section 5 6 PHASE CONNECTION Note In...

Page 22: ...he capacitor bank TC LOAD CAPACITORS S1 S2 P1 P2 I S1 S1 S2 S2 IL1 IL2 IL3 Figure 12 Connection of the leakage current transformer I Note The earth leakage transformer must have a ratio of 500 turns T...

Page 23: ...ered on the following screen appears on the display Figure 13 which shows the name of the device the version and the model Figure 13 Computer SMART III home screen After a few seconds the main measure...

Page 24: ...Computer SMART III Performs the functions of a network analyzer measuring and viewing multiple parameters Has a Plug Play function for automatic configuration of the device Has an AutoTest and manual...

Page 25: ...ected 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 various...

Page 26: ...mpact on the compensation speed in other words on the capacity for monitoring load changes Setting a shorter connection time improves the power factor correction when the load can change quickly Howev...

Page 27: ...ent 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...

Page 28: ...Inductive 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 Breakd...

Page 29: ...ductive 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 Harmon...

Page 30: ...ter the Test screens Note See 4 6 1 MEASUREMENT STATUS for further details Keys functions on the Configuration and Test screens query mode Table 8 Table 8 Keys functions on the Configuration and Test...

Page 31: ...d Test screens edit mode Key Short keystroke Increase the value or show the next option Reduce the value or show the previous option Previous configuration parameter Next configuration parameter Exit...

Page 32: ...The data area displays the instantaneous maximum and minimum values of each one of the phases which the device is measuring or calculating Status of the capacitors displays the status of the relays o...

Page 33: ...rent alarm E15 In the setup menu 5 14 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 device...

Page 34: ...tors 4 4 4 OTHER SYMBOLS OF THE DISPLAY The display also shows the following Alarm When the device detects an alarm the backlight of the screen flashes and the alarm icon lights up The cause of the al...

Page 35: ...rly by flashing 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 five keys are pressed CPU Fa...

Page 36: ...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 minimu...

Page 37: ...ase 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 maximu...

Page 38: ...s L1 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 I...

Page 39: ...active 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 Paramet...

Page 40: ...nimum 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...

Page 41: ...5 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 C...

Page 42: ...y III generated kvarLh or MvarLh Capacitive Reactive Energy III generated kvarCh or MvarCh Apparent Energy III generated kVAh or MVAh Operations Parameters No of operations of stage C1 to C14 Three sc...

Page 43: ...this alarm has a predefined delay of 5 seconds E05 Overvoltage The voltage measured in some of the phases exceeds the configured voltage Vp n The device disconnects the capacitors automatically In ord...

Page 44: ...ransformer E17 Number of connections alarm The configured number of operations has been exceeded any capacitor In these alarms two levels have been configured The Lo value When the device exceeds this...

Page 45: ...to 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...

Page 46: ...meters 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 fac...

Page 47: ...II 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 th...

Page 48: ...Change 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...

Page 49: ...y III generated kvarLh or MvarLh Capacitive Reactive Energy III generated kvarCh or MvarCh Apparent Energy III generated kVAh or MVAh Operations Parameters No of operations of stage C1 to C14 Three sc...

Page 50: ...Active 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 maximu...

Page 51: ...meters 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 fac...

Page 52: ...Apparent 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 v...

Page 53: ...o 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 5 7 9 11 13 15 17...

Page 54: ...y III generated kvarLh or MvarLh Capacitive Reactive Energy III generated kvarCh or MvarCh Apparent Energy III generated kVAh or MVAh Operations Parameters No of operations of stage C1 to C14 Three sc...

Page 55: ...ong keystroke 10s of the key in any of the measurement screens causes the device to enter the Test status A very long keystroke 10s of the key in any of theTest screens causes the device to return to...

Page 56: ...ke 3 s of the key cancels the AutoTest At the end of the AutoTest the device automatically returns to the Individual Test screen Step Test Parameters Leakage current mA Capacitive Reactive Power kvarC...

Page 57: ...urrent 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 P...

Page 58: ...pre determined temperature is exceeded which can be programmed in 5 17 FAN also connected to the Fan LED A fully programmable alarm relay terminals 39 40 and 41 of Figure 2 see 5 21 ENABLING ALARMS Tw...

Page 59: ...d the master device of 1200 metres A maximum of 32 Computer SMART III devices can be connected to this bus Use an intelligent RS 232 to RS 485 network protocol converter M54020 intelligent converter t...

Page 60: ...ltiple logs Exception codes If the bit with greatest weight of the byte corresponding to the function in the reply of the device is 1 this indicates that the next byte is an exception code Table 12 Ex...

Page 61: ...urrent 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...

Page 62: ...71 370 371 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 8...

Page 63: ...ic 42C 42D 4B0 4B1 V 100 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 458 459 4DC...

Page 64: ...t 3 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 E1...

Page 65: ...dress Valid data window Default value Current primary 1090 1 10000 5 Current secondary 1091 0 1 A 1 5 A 1 Voltage primary 1095 1096 1 99999 400 Voltage secondary 1097 1098 1 99999 400 Table 19 Modbus...

Page 66: ...variables Table 7 Display Configuration variable Address Valid data window Default value Lighting Backlight 1125 0 Comes on when pressing a key 1 ON 2 OFF 0 Light level 1126 0 10 Value 10 7 Language 1...

Page 67: ...es Table 13 Connection and reclosing time Configuration variable Address Valid data window Default value Connection time 113C 0 999 seconds 10 Reclosing time 113D 0 999 seconds 50 Table 29 Modbus memo...

Page 68: ...ble Address Valid data window Default value Overvoltage value 114E 114F 0 99999 440 No Voltage Value 1150 1151 0 99999 360 Table 37 Modbus memory map programming variables Table 22 No of operations Co...

Page 69: ...associated 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...

Page 70: ...0000 log from which to start reading No of logs 0002 number of logs to be read CRC 70B0 CRC character Response Address Function No of Bytes Log no 1 Log no 2 CRC 0A 04 04 0000 084D 8621 Address 0A Re...

Page 71: ...e 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 device returns to the previous measurement screen If it is entere...

Page 72: ...key to start the Plug Play function Once started the device undertakes a process of connecting and disconnecting capacitors measurement and calculation in order to obtain the following parameters of...

Page 73: ...results screen 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 corre...

Page 74: ...son it is necessary prior to the Plug Play function to 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...

Page 75: ...Current 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 seco...

Page 76: ...eing inductive L or capacitive C Press the key to enter edit mode It is identified by the symbol and the flashing of the digits to be modified The key increases the digit value or shows the next optio...

Page 77: ...t value The key reduces 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 999...

Page 78: ...This parameter is used to adapt the device 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 connec...

Page 79: ...witches to the simulation screen 5 30 SIMULATION SCREEN Table 42 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...

Page 80: ...eys are pressed for 5 minutes the device 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 the number of relay out...

Page 81: ...next ones have four times the power of the first one See 4 1 4 REGULATION PROGRAM When configuring the program remember that the subsequent stage cannot be lower than the prior stage and that the firs...

Page 82: ...0 57 1500 5 0 05 0 06 0 07 0 10 0 12 0 14 0 19 0 24 0 29 0 36 0 38 2000 5 0 05 0 07 0 09 0 11 0 14 0 18 0 22 0 27 0 28 2500 5 0 06 0 07 0 09 0 12 0 14 0 17 0 22 0 23 3000 5 0 05 0 06 0 07 0 10 0 12 0...

Page 83: ...itor is of 60 kvar with a current transformer having a ratio of 500 5 and the calculation would be made as follows Current of the smallest capacitor Ic A IC 6 8 6 400 3 60000 K Factor 100 5 500 K The...

Page 84: ...than the maximum value the backlight of the display flashes and the value entered is replaced with the minimum or maximum value or with the last value validated Press the key to access the next progra...

Page 85: ...ss the next programming step If no keys are pressed for 5 minutes the device switches to the simulation screen 5 30 SIMULATION SCREEN 5 11 EXPERT SETUP In this point it is possible to decide whether t...

Page 86: ...e data the symbol disappears from the display Voltage primary Maximum value 99999 Minimum value 1 Voltage secondary Maximum value 99999 Minimum value 1 Maximum possible voltage ratio 1000 Note The vol...

Page 87: ...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 digit and the key skips to the next digit Press to validate t...

Page 88: ...the system 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 botto...

Page 89: ...minutes 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 dig...

Page 90: ...key shows the next option The key shows the previous option Press to validate the data the symbol disappears from the display Press the key to access the next programming step If no keys are pressed f...

Page 91: ...the backlight of the display flashes and the value entered is replaced with the minimum or maximum value or with the last value validated Press the key to access the next programming step If no keys a...

Page 92: ...key skips to the next parameter Press to validate the data the symbol disappears from the display Maximum value 0 Minimum value 100 Note If 0 is programmed the functionality is disabled Note The valu...

Page 93: ...option The key reduces 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 th...

Page 94: ...eters 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 paramet...

Page 95: ...or or alarm Association with a relay or digital output alarm reLe the activation of the alarm is associated with the alarm relay d1 the activation of the alarm is associated with digital output 1 d2 t...

Page 96: ...ms are triggered the device enters the Disconnection status and disconnects all the stages The device does not return to its normal operating status until the cause for the alarm disappears The key in...

Page 97: ...ode It is identified by the symbol and the flashing of the digits to be modified In order to avoid possible false activations of said alarms they have a predefined delay of 15 seconds The parameters t...

Page 98: ...d value and the current is higher than the programmed value Note The alarm must be enabled 5 21 ENABLING ALARMS Press the key to enter edit mode It is identified by the symbol and the flashing of the...

Page 99: ...hich the device measures Note The alarm must be enabled 5 21 ENABLING ALARMS Press the key to enter edit mode It is identified by the symbol and the flashing of the digits to be modified The parameter...

Page 100: ...the maximum value the backlight of the display flashes and the value entered is replaced with the minimum or maximum value or with the last value validated Press the key to access the next programming...

Page 101: ...10 minutes it deactivates the alarms and returns to the normal operating status In the No Connection status the device does not connect the stages but also does not disconnect them if the operation r...

Page 102: ...9 is triggered and if alarm E12 is enabled the Computer SMART III device enters the Disconnection status and activates alarm E12 If the device falls back under the Lo value during 10 minutes it deacti...

Page 103: ...flashing of the digits to be modified The parameters to be configured are The alarm value when the device exceeds this value alarm E13 is triggered Search for the responsible stage if this parameter...

Page 104: ...of any of the stages above which the alarm E17 will be triggered can be configured Note The alarm must be enabled 5 21 ENABLING ALARMS Press the key to enter edit mode It is identified by the symbol a...

Page 105: ...certain information which can be used to decide to enter the measurement status when pressing the key during 3 seconds or if no keys are pressed during 5 minutes or to return to the configuration scre...

Page 106: ...mum measurement current Istart 50 mA Leakage current measurement circuit By means of an earth leakage transformer with a ratio of 500 turns Nominal current of the secondary 3 mA Current measurement ma...

Page 107: ...Modbus RTU Baud rate 9600 19200 Stop bits 1 2 Parity none even odd Environmental features Operating temperature 10 C 55 C Storage temperature 20 C 70 C Relative humidity non condensing 5 95 Maximum al...

Page 108: ...61010 2010 Electromagnetic compatibility EMC Part 6 2 Generic standards Immuni ty for industrial environments UNE EN 61000 6 2 2005 Electromagnetic compatibility EMC Part 6 4 Generic standards Emis s...

Page 109: ...per 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 i...

Page 110: ...9 CE CERTIFICATE 110 Computer SMART III Instruction Manual...

Page 111: ...111 Instruction Manual Computer SMART III...

Page 112: ...112 Computer SMART III Instruction Manual...

Page 113: ...113 Instruction Manual Computer SMART III...

Page 114: ...CIRCUTOR SA Vial Sant Jordi s n 08232 Viladecavalls Barcelona Tel 34 93 745 29 00 Fax 34 93 745 29 14 www circutor com central circutor com...

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