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5

5.9 Memory Management

117

Power Meter SICAM P 7KG7750/55, Manual
E50417-B1076-C340-A6, Edition 09.2013

5.9.7

Binary States

In this dialog window you can specify the settings for recording of binary states.

Select the 

Binary outputs

 to be recorded. The states of the binary outputs will then be recorded 

in the memory.

Summary of Contents for SICAM P 7KG7750

Page 1: ...er Meter SICAM P 7KG7750 55 Manual Foreword Contents Commissioning 1 Operation 2 Measured Quantities 3 Device Parameterization 4 Parameterization via PC Software 5 Calibration 6 Maintenance Storage Transport 7 Technical Data 8 ...

Page 2: ...care to suggest Subject to technical alterations Document Release V99 06 Edition 09 2013 Copyright Copyright Siemens AG 2013 This document shall not be transmitted or reproduced nor shall its contents be exploited or disclosed to third parties without prior writ ten consent from Siemens Offenders will be liable for damages All rights including rights created by patent grant or registration of a ut...

Page 3: ... questions concerning your system please contact your local Siemens representative Hotline Our Customer Support Center provides around the clock service Phone 49 1805 24 8437 Fax 49 1805 24 2471 E mail support ic siemens com Internet http www powerquality de pq_da index_e htm Further documents SICAM P Power Meter 7KG775x Operating Instructions Ordering no E50417 B1074 C339 SICAM P PROFIBUS DP Manu...

Page 4: ...ing courses Please ask our Training Center for information on the individual courses available Siemens AG Siemens Power Academy TD Humboldtstr 59 90459 Nuremberg Germany Phone 49 911 433 7415 Fax 49 911 433 5482 E mail poweracademy ic sg siemens com Internet http www siemens com poweracademy ...

Page 5: ... or severe injury will result if the measures specified are not taken Comply with all instructions in order to avoid death or severe injuries WARNING WARNING means that death or severe injury may result if the measures specified are not taken Comply with all instructions in order to avoid death or severe injuries CAUTION CAUTION means that minor or moderate injury can occur if the measures specifi...

Page 6: ...erty can occur if the appropriate measures are not taken Before making any connections at all ground the equipment at the PE terminal Hazardous voltages can be present on all switching components connected to the power supply Even after the supply voltage has been disconnected hazardous voltages can still be present in the equipment capacitor storage Equipment with current transformer circuits mus...

Page 7: ...25 1 6 4 Connection Examples 26 1 6 4 1 General 26 1 6 4 2 Single phase 26 1 6 4 3 Three phase Three wire Balanced 27 1 6 4 4 Three phase Three wire Unbalanced 2 I Aron Circuit 27 1 6 4 5 Three phase Four wire Balanced 28 1 6 4 6 Three phase Four wire Unbalanced Low voltage System 28 1 6 4 7 Three phase Four wire Unbalanced High voltage System 29 1 6 5 Mounting 30 1 6 6 Commissioning 31 1 6 7 Elec...

Page 8: ... 1 2 Windows Structure 54 4 1 3 Notes on Parameterization 55 4 2 Overview of the Levels 56 4 3 Main Menu 57 4 3 1 Startup phase 57 4 3 2 Screens 57 4 3 3 Settings 58 4 3 4 Language 58 4 3 5 Date Time 59 4 3 6 Log 59 4 4 Basic Settings 60 4 4 1 Settings Overview 60 4 4 2 Connection Transformer 61 4 4 2 1 Current Transformer 61 4 4 2 2 Voltage Transformer 62 4 4 3 Outputs 64 4 4 3 1 Screen for Energ...

Page 9: ...ay Outputs 92 5 7 2 Information on Energy Pulse Measurement 93 5 7 2 1 Parameterization via Device 93 5 7 2 2 Pulse Time Switch Off Time Number of Pulses 93 5 7 2 3 Parameterization of Energy Pulses 94 5 7 2 4 Parameterization of Energy Pulses via Parameterization Software 95 5 7 3 Basic Settings 96 5 7 4 Analog Outputs optional 97 5 7 5 Analog Inputs optional 98 5 7 6 Binary Inputs optional 99 5 ...

Page 10: ...13 Changing the Communication Parameters 125 6 Calibration 127 6 1 Overview 128 6 2 Connection Diagrams for Adjustment 129 6 3 Procedure 130 7 Maintenance Storage Transport 131 7 1 Maintenance 132 7 2 Storage 132 7 3 Transport 132 8 Technical Data 133 8 1 SICAM P 7KG7750 134 8 1 1 General Device Data 134 8 1 1 1 Power Supply 134 8 1 1 2 Inputs and Outputs 134 8 1 1 3 Communication Interface Connec...

Page 11: ...340 A6 Edition 09 2013 Commissioning 1 Contents The following chapters describe all aspects of commissioning 1 1 Application and Mode of Operation 12 1 2 Delivery 13 1 3 Ordering Data 14 1 4 Dimensions 16 1 5 Block Diagram 20 1 6 Interface and Terminals 22 ...

Page 12: ...ated by a processor Measured quantities can be displayed on the screens and or transmitted via the serial interface With the SICAM P it is possible to program limit value groups for various measured quantities to activate limit violations when the value of a specific measured quantity exceeds a programmed threshold In addition it is possible use logical elements AND OR to combine two or more mea s...

Page 13: ...ot reverse the polarity Do not disassemble the battery Do not completely discharge the battery Do not throw the battery into a fire WARNING Warning about battery disposal Nonobservance of the safety instructions means that death severe injuries or considerable material damages can occur When discharged or when properly secured against short circuit lithium batteries can be disposed of through reta...

Page 14: ... 96 mm x 96 mm with graphic display I O module optional A 2 binary outputs B 2 binary inputs C 2 analog outputs DC 0 mA to 20 mA DC 4 mA to 20 mA D 2 analog inputs DC 0 mA to 20 mA E 3 relay outputs G Front protection class IP 41 1 IP 65 3 Communication interface and protocols PROFIBUS DP and Modbus RTU ASCII RS485 0 IEC 60870 5 103 and Modbus RTU ASCII RS485 1 A 0 0 0 0 A A Without standard Order...

Page 15: ...inputs C 2 analog outputs DC 0 mA to 20 mA DC 4 mA to 20 mA D 2 analog inputs DC 0 mA to 20 mA E 3 relay outputs G Communication interface and protocols PROFIBUS DP and Modbus RTU ASCII RS485 0 IEC 60870 5 103 and Modbus RTU ASCII RS485 1 Without standard Order No 7 7KG 7 5 5 0 A 0 A A 0 A 0 Description SICAM P Parameterization Package Type RS485 5 V power supply unit supply voltage AC 230 V 50 Hz...

Page 16: ...4 Dimensions 16 Power Meter SICAM P 7KG7750 55 Manual E50417 B1076 C340 A6 Edition 09 2013 1 4 Dimensions 1 4 1 Device Variant SICAM P 7KG7750 Fig 1 1 SICAM P 7KG7750 variant IP 41 Note All dimensions in mm ...

Page 17: ...1 1 4 Dimensions 17 Power Meter SICAM P 7KG7750 55 Manual E50417 B1076 C340 A6 Edition 09 2013 Fig 1 2 SICAM P 7KG7750 variant IP 65 Note All dimensions in mm ...

Page 18: ...mm x 92 0 0 8 mm Protection class front IP 41 or IP 65 terminals IP 20 for personal security IP 1x Terminals Terminals for power supply voltage inputs current inputs binary outputs I O modules optional Conductor cross section rigid max 2 5 mm2 Conductor cross section with ferrule 1 5 mm2 Stripping length 9 mm Tightening torque 0 4 Nm to 0 5 Nm RS485 interface 9 pole D Sub miniature female connecto...

Page 19: ... on mounting unit Protection class front terminals IP 20 for personal security IP 1x Terminals Terminals for power supply voltage inputs current inputs binary outputs I O modules optional Conductor cross section rigid max 2 5 mm2 Conductor cross section with ferrule 1 5 mm2 Stripping length 9 mm Tightening torque 0 4 Nm to 0 5 Nm RS485 interface 9 pole D Sub miniature female connector 105 1 Note A...

Page 20: ...rement Auxiliary Voltage N L Binary Outputs c ommunication J RS485 Modbus and I EC 60870 5 103 1 Protective Ground 3 A 4 RTS 5 GND 6 5 V 8 B PROFIBUS DP 1 Protective Ground 3 B 4 CTRL A 5 GND 6 5 V 8 A RS485 RS232 Voltage Current k k l l L3 N DC 24 to 250 V AC 100 to 230 V Terminal block E Terminal block H B2 B1 R Terminal block G L1 L2 PG Note The integrated battery serves to buffer the memory an...

Page 21: ...t Binary outputs 2 contacts with common contact Relay outputs 3 contacts with common contact Analog inputs 2 channels Analog outputs 2 channels A1 Binary outputs 1 2 Relay outputs 2 3 1 R R slot A optional slot A optional Binary inputs 2 1 R R DC DC slot A optional slot A optional Analogue outputs slot A optional Analogue inputs 1 2 50 Ohm 50 Ohm 1 2 2 x 0 to 20mA A2 A3 A4 A1 A2 A3 A4 A1 A2 A3 A4 ...

Page 22: ...inals 1 6 1 Terminal Assignment SICAM P 7KG7750 55 Fig 1 7 Terminal assignment SICAM P 7KG7750 55 WARNING Warning about missing protection Nonobservance of the safety instructions means that death severe injuries or considerable material damages can occur Always connect the earth to the earthing terminal of the SICAM P 7KG7750 55 ...

Page 23: ... 2 input E4 IL2 IB Phase current 2 output E5 IL3 IC Phase current 3 input E6 IL3 IC Phase current 3 output F1 UL1 UA Phase voltage 1 F2 UL2 UB Phase voltage 2 F3 UL3 UC Phase voltage 3 F4 UN UN Star point voltage measurement G1 Common contact Common contact Common contact for the internal binary outputs 1 and 2 G2 B2 B2 Binary output 2 G3 B1 B1 Binary output 1 H1 Protective ground H2 N N Supply vo...

Page 24: ... 2013 Table 1 2 I O modules see Figure 1 6 Modul Type Terminal Allocation Ordering no see chapter 1 3 not equipped A BO 2 binary outputs n c BO2 BO1 BOR B BI 2 binary inputs BI2 BIR BIR BI1 C AO 2 analog outputs AO2 AO2 AO1 AO1 D AI 2 analog inputs AI2 AI2 AI1 AI1 E RO 3 relay outputs ROR RO3 RO2 RO1 G ...

Page 25: ...pply voltage of the interface is available at the D Sub female connector thus allowing the data signal terminating resistors to be connected to the connecting cable Fig 1 8 Termination of the RS485 interface external Pin No RS485 Interface Modbus IEC 60870 5 103 Profibus DP 1 Shield Shield 2 3 A B RxD TxD P 4 5 GNDEXT GNDEXT 6 5 VEXT 5 VEXT 7 RTS CTRL A 8 B A RxD TxD N 9 5 V 390 Ω 220 Ω 390 Ω B A ...

Page 26: ...nsformers as long as the maximum voltage and current ratings of the device are not exceeded The voltage transformers can be connected in wye or open delta configurations All input and or output terminals not required for a particular input voltage and current configura tion are not used 1 6 4 2 Single phase Note The single ground connection of the instrument transformers is shown for illustration ...

Page 27: ...vance of the safety instructions means that property damage can result The maximum secondary voltage is AC 480 V in this example Do not exceed the maximum permissible voltage between phase and earth a b P1 P2 S1 S2 c A A B B a a b b P1 P2 S1 S2 PE 10 A 10 A 10 A NOTICE Do not exceed the maximum permissible voltage Nonobservance of the safety instructions means that property damage can result The m...

Page 28: ...M P 7KG7750 55 Manual E50417 B1076 C340 A6 Edition 09 2013 1 6 4 5 Three phase Four wire Balanced 1 6 4 6 Three phase Four wire Unbalanced Low voltage System a b P1 P2 S1 S2 c A B a b N PE 10 A a b P1 P2 S1 S2 c P1 S1 S2 S1 S2 N P1 P2 P2 PE resp 10 A ...

Page 29: ...inals 29 Power Meter SICAM P 7KG7750 55 Manual E50417 B1076 C340 A6 Edition 09 2013 1 6 4 7 Three phase Four wire Unbalanced High voltage System a b P1 P2 S1 S2 c P1 S1 S2 S1 S2 N P1 P2 P2 A A A B B B a a a b b b PE resp 10 A ...

Page 30: ...e and must therefore be in stalled on a switchboard or in a control cabinet After installation it is important that all terminals are properly covered to pre vent accidental contact with energized parts Notes The device location should be largely free from vibrations The device must be operated within allowable ambient temperature limits Operating the device outside of the operating temperature ra...

Page 31: ...ry scope The battery is delivered in an isolated state Remove the cover of the battery slot on the top of the device and remove the battery and the isolation Insert the bat tery without isolation according to the polarity printed on the top of the device marking shield and replace the battery cover If the battery voltage is low the battery symbol occurs in status line of the display Please change ...

Page 32: ...ircuit the current transformer secondary circuits before current connections to the device are opened The protective ground terminal of the device must be connected to the protective ground of the panel or cubicle For connection of an auxiliary DC voltage the correct polarity must be used All of the terminals should be checked to verify proper connections The polarities and phasing of all instrume...

Page 33: ...1076 C340 A6 Edition 09 2013 Operation 2 Contents The following chapters describe the operation of the SICAM P 7KG7750 The operation of the SICAM P 7KG7755 is not described because this device has no display 2 1 Screen Display 34 2 2 Screen Content 34 ...

Page 34: ...creens are arranged in a loop format i e the first screen follows the last in one direction whereas the last screen follows the first in the opposite direction etc 2 2 Screen Content The simple and individual screen design enables you to read the information relevant to your measuring tasks at a glance The number of screens max 20 the screen types and their con tents can be parameterized as requir...

Page 35: ...splay of any six measured quantities from the measured quantities Table 3 1 2 2 1 3 U I and cos φ Phasors fast overview of the network conditions digital display of all connected phases measured quantities U I cos φ UL1 231 35 V UL2 230 87 V UL3 229 46 V 2 10 AP Bd Prm UL1 10 12 kV UL2 10 34 kV UL3 10 42 kV IL1 245 4 A IL2 244 6 A IL3 249 4 A 2 10 AP Bd Prm U I 10 12 kV 245 4 A 10 34 kV 244 6 A 10...

Page 36: ... was last initiated are displayed for a specific measured quantity The values remain valid in case of a power failure Recording is initiated date and time when the device is switched on or via Reset of the Min Max values at the programming level If no date time is set the duration of the recording is indicated in hours and minutes If the time is set the date and time of recording initiation are in...

Page 37: ...mbol Meaning Serial telegram sent receive Bd Searching for the Profibus baud rate Cfg Waiting for the correct configuration of Profibus Prm Waiting for the correct parameters of Profibus Direction of rotation from UL1 to UL2 UA to UB Receive this symbol or delifer resistor symbol energy Status of binary outputs If the battery voltage falls below the defined threshold then the symbol will be displa...

Page 38: ...2 2 2 Screen Content 38 Power Meter SICAM P 7KG7750 55 Manual E50417 B1076 C340 A6 Edition 09 2013 ...

Page 39: ...13 Measured Quantities 3 Contents The following chapters describe the measured quantities 3 1 Measured Quantities Depend on the Connection Type 40 3 2 Formulas and Calculation of Derived Quantities 44 3 3 Connection Modes 49 3 4 View of Measured Quantities and Error Limits 51 ...

Page 40: ...N X X I0 14 Real power L1 X X P L1 15 Real power L2 X P L2 16 Real power L3 X P L3 17 Real power Σ X X X X X P 18 Reactive power L1 X X Q L1 19 Reactive power L2 X Q L2 20 Reactive power L3 X Q L3 21 Reactive power Σ X X X X X Q 22 Apparent power L1 X X S L1 23 Apparent power L2 X S L2 24 Apparent power L3 X S L3 25 Apparent power Σ X X X X X S 26 Active factor cos φ L1 X X COS PHI L1 27 Active fa...

Page 41: ... Harmonic current L1 X X X X X X HI L1 5 7 11 13 17 19 51 Harmonic current L2 X X X HI L2 5 7 11 13 17 19 52 Harmonic current L3 X X X HI L3 5 7 11 13 17 19 53 Active energy L1 demand X X WpL1d 54 Active energy L2 demand X WpL2d 55 Active energy L3 demand X WpL3d 56 Active energy Σ demand X X X X X WpΣd 57 Active energy L1 supply X X WpL1s 58 Active energy L2 supply X WpL2s 59 Active energy L3 sup...

Page 42: ...capacitve X X X X X WqΣc 74 Reactive energy total L1 X X WqL1t 75 Reactive energy total L2 X WqL2t 76 Reactive energy total L3 X WqL3t 77 Reactive energy total Σ X X X X X WqΣt 78 Apparent energy L1 X X WL1 79 Apparent energy L2 X WL2 80 Apparent energy L3 X WL3 81 Apparent energy Σ X X X X X WΣ 82 Counter 1 2 3 4 X X X X X X Cntr 1 2 3 4 83 Binary inputs X X X X X X 84 Analog inputs X X X X X X s...

Page 43: ... 21st The selection of single harmonics on the measured values screens is limited to the 5th 7th 11th 13th 17th and 19th For voltage harmonics values are displayed as a percentage of the first harmonic For current harmonics the values are displayed directly in A 53 to 60 Active energy demand The default setting industry mode is Load standard indicated by a positive energy flow direction You can co...

Page 44: ...7 Active power PDIN 21 1 n n n n n Ib Vb Ia Va P From the Fourier coefficients of the fundamental component and from the harmonics 8 Reactive power QStd 64 1 2 1 64 1 ν π ν ν j e i v Q Standard up to now additional fault for distortions1 9 Reactive power QFour 1 1 1 1 Ia Vb Ib Va Q 10 Reactive power QDIN 21 1 n n n n n tot Ia Vb Ib Va Q From the Fourier coefficients of the fundamental component 11...

Page 45: ...e energy demand will be calculated every second 20 Active energy supply 0 1 P for P W ν ν The active energy supply will be calculated every second 21 Active energy without sign 1 ν ν P W Calculation without sign 22 Active energy net demand 1 ν ν P W Calculation with sign 23 Asymmetrical voltage U or current I M G V Refer to note 2 Range is 0 to avoid division by 0 24 THD voltage current 1 1 M M TH...

Page 46: ...equency T Nominal value of the period length of the system frequency in µs P Counted pulses within one period V Asymmetry G Unbalanced system M Balanced system Mn Vector of the measured quantity ULN or IL from Fourier transformation Note 2 No of Equation Equation 1 2 3 4 5 6 2 2 B A G π ϕ π ϕ 3 2 cos 3 2 cos 13 3 12 2 1 M M M A π ϕ π ϕ 3 2 sin 3 2 sin 13 3 12 2 M M B 2 2 D C M π ϕ π ϕ 3 2 cos 3 2 ...

Page 47: ...tage or current M1 Fundamental component of voltage or current It is possible to derive the result from the harmonic M1 and the RMS value Mges of the distorted measured quantity With the root H from equation 8 Equation No 8 Mges RMS value of the distorted measured quantity U or I M1 RMS value of the fundamental component of the measured quantity Inserting the values into the equation results in Eq...

Page 48: ...8 Power Meter SICAM P 7KG7750 55 Manual E50417 B1076 C340 A6 Edition 09 2013 Note 4 4 Quadrants 90 I II III IV Q Q Q Q S Q P φ 270 P active energy P active energy cos φ negative cap cos φ positive cap cos φ negative ind cos φ positive ind 0 180 PF PF PF PF ...

Page 49: ... 3 For power power factor cos φ phase angle and energy only the sum is relevant The measurement values Asymmetrical U or I are not available THD and harmonics can be derived for A only 3 3 4 Three wire Three phase Current with Symmetrical Load For this connection mode an artificial neutral point is formed via resistors Since this internal neutral point is connected to the grounding conductor it ca...

Page 50: ...nt power classical method the following equation is valid Equation 16 For the apparent power according to DIN calculated from the phase voltages the following equa tion is valid Equation 17 In both cases current B must be calculated from the geometrical sum of the currents A and C To do this you can sum up the sample points or the Fourier coefficient The artificial neutral point does not allow mea...

Page 51: ... L3 Σ 0 5 Active power factor cosϕ 4 L1 L2 L3 Σ 0 5 Phase angle 4 L1 L2 L3 Σ 2 System frequency 5 L1 N 10 mHz Active energy demand L1 L2 L3 Σ 0 5 Active energy supply L1 L2 L3 Σ 0 5 Active energy total L1 L2 L3 Σ 0 5 Active energy net demand Σ 0 5 Reactive energy cap L1 L2 L3 Σ 0 5 Reactive energy ind L1 L2 L3 Σ 0 5 Reactive energy total L1 L2 L3 Σ 0 5 Apparent energy L1 L2 L3 Σ 0 5 Unbalance volt...

Page 52: ...e value of all phases 4 Measuring beginning with 2 of the internal apparent power in selected measurement range 5 Measuring beginning with 30 of the input voltage L1 N 6 Optional 7 Limit values for the complete temperature range see chapter 7 referring to 0 1 to 1 2 x nom inal range Symbol Function Measured values can be displayed on measured value screens only 7KG7750 Measured values selectable o...

Page 53: ...7750 using a graphic display The parameterization of the SICAM P 7KG7755 using PC software is explained in chapter 5 4 1 Operating Notes 54 4 2 Overview of the Levels 56 4 3 Main Menu 57 4 4 Basic Settings 60 4 5 About SICAM 74 4 6 Reset 74 4 7 Reset Memory 75 4 8 Parameterization Screens 75 4 9 I O Modules 77 4 10 Memory Management 77 4 11 Data Logger 78 4 12 Overflow of Measured Values 80 ...

Page 54: ...ough selection lists when entering settings Selecting numbers when entering numerical values If the buttons are held down the scrolling continues automatically The buttons generally cycle between cursor parameters or numbers The selected line setting or number is confirmed by pressing the ENTER button 4 1 2 Windows Structure ENTER no screens 10 repeat ratio 0Sec illumination 2Min contrast 5 screen...

Page 55: ...ge should only be switched off in level 1 measuring screens Select No via the buttons to retain the settings as they existed prior to the loss of power supply voltage Choose Yes by pressing the ENTER button to restore the default settings Attention Parameter incorrect reset No Yes arrow Enter Note This means that you should always leave the parameter screens completely OK or Cancel until the measu...

Page 56: ... Current transformer Settings overview Basic settings Settings Voltage transformer Input connection about SICAM Language Limit values Outputs Reset Date Time Energy pulse Interface Reset memory Log Changing code Calibration Additional settings Further settings Screen structure Screen content I O module Memory 2 1 2 2 2 3 2 4 2 5 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 4 1 4 2 4 3 4 4 4 5 4 6 4 7 4 8 4...

Page 57: ... 1 Startup phase After applying voltage to the power supply the SICAM P will run in the startup phase for 15 s The main menu is used to access various submenus 4 3 2 Screens Use the ENTER key to switch between the displays Main menu Measured value screens Data logger screens settings language date time log close ...

Page 58: ...rization can be selected from the Parameters menu 4 3 4 Language Language Here you can select the language of the SICAM P D German GB English Designation Change of the conductor designations in the screens a b c L1 L2 L3 basic settings about SICAM reset reset memory screen content I O module memory close language GB description a b c ok cancel ...

Page 59: ...r time synchronization via minute impulse The data for summer winter time and the binary input can only be set via the PC software SICAM P parameterization refer to chapter 5 4 3 6 Log The screen Log displays date and time of the most recent status changes date 01 02 2001 time 10 17 57 am 12 24h 12 CEST 00 00 to 00 00 binary input BE2 ok cancel failure dd mm yy hh mm ss power on settings reset lim...

Page 60: ...on the device 4 4 1 Settings Overview Settings Overview is where the most important settings associated with the device are displayed settings overview input connections output contacts interface change code calibration additional settings ok calc mode standard 4 wire unbalanced current range 1 2A voltage range 480V rel 1 limit value1 rel 2 limit value2 bus adr 111 cancel ...

Page 61: ... 3 x I Three wire unbalanced can be selected either with the connection of two current transformers standard Aron measuring circuit or three current transformers 4 4 2 1 Current Transformer Yes Current transformers utilized max primary AC 999999 A secondary AC 6 A No Current transformers not utilized Measuring range The secondary input current measuring range is selected for the SICAM P as follows...

Page 62: ... current value that can be displayed on the device Example CT rating 500 1 A Measuring range 1 2 A Maximum display range AC 0 A to 600 A Measuring range 6 A Maximum display range AC 0 A to 3000 A 4 4 2 2 Voltage Transformer Yes Voltage transformers are utilized max primary AC 1000 kV secondary AC 600 V No Voltage transformers are not utilized Measuring range 132 V nominal input AC 100 110 V 228 V ...

Page 63: ...e phase networks without neutral in V connection 1 1 transformer are possible up to a nominal voltage of ULL 400 V With this nominal voltage the measuring range ULL 690 V must be parameterized For measurements in three phase networks without neutral in V connection and a nominal voltage of ULL 690 V the voltage must be transformed to ULL 400 V The measuring range to be parameterized is then also U...

Page 64: ...alue 1 appears Limit value 2 If selected a new window Limit Value 2 appears Limit value 3 If selected a new window Limit Value 3 appears Limit value 4 If selected a new window Limit Value 4 appears Limit value 5 If selected a new window Limit Value 5 appears Limit value 6 If selected a new window Limit Value 6 appears Limit value 7 If selected a new window Limit Value 7 appears Direction of rotati...

Page 65: ...ngth Can be selected from 50 ms 100 ms 150 ms 200 ms to 500 ms 4 4 3 2 Screen for Limit Values The values entered for hysteresis pulse length and filter time are valid for all logically connected measured quantities Hysteresis Input of 0 1 to 10 of rated value Percentage refers to nominal values energy pulses energy WpL1 d value 0 0088kWh Imp pulse length 200ms ok cancel Note An explanation on pow...

Page 66: ...easured quantity from the table 3 1 no energy or metered quantities Selection as to whether triggering should be launched when the measured quantity exceeds or drops below the threshold value Selection of the threshold value that initiates triggering Additional measured quantities can be connected logically via AND or OR A maximum of six measured quantities are possible Note Limit violations are r...

Page 67: ...ster station Parity Only for Modbus N None E Even O Odd Protocol SICAM P ASCII Protocol PC RS485 for connection to a PC via programming software Profibus DP with firmware version V3 only or IEC 60870 5 103 with firmware version V4 only Modbus RTU Modbus ASCII bus address 112 baudrate 19200Bd parity E protocol IEC 103 IEC 103 settings ok cancel Note The Baud rate is selected during parameterization...

Page 68: ...the harmonics as per IEC 60870 5 103 protocol Settings yes Transmit no No transmit Transmit counter values Parameterization of the transmission of metered values for power and pulse as per IEC 60870 5 103 protocol Settings yes Transmit no No transmit MV range 240 Harmonics no Counters no ok cancel Note The IEC 60870 5 103 parameters MV range Transmission of harmonic and Transmission of metered val...

Page 69: ...d Please contact our hotline for the master password Password 1 is only active if password 2 is also activated If both password 1 and password 2 are activated password 2 can be used to access all pro tected functions of password 1 If an identical password is chosen for password 1 and password 2 all functions of password 1 and password 2 can be activated by means of a single password In Level 1 a l...

Page 70: ...d after a time of 1 minute has elapsed in level 1 4 4 6 Calibration See chapter 6 Calibration 4 4 7 Additional Settings Counter 1 to 4 Counters 1 to 4 can be displayed in the screens Limit value groups can be assigned to these counters If a counter is selected another window is opened for defining the limit value group see outputs counter1 limitvalue1 counter2 limitvalue2 counter3 limitvalue3 coun...

Page 71: ...ower positive energy flow direction energy demand negative energy flow direction energy supply positive energy flow direction energy supply negative energy flow direction energy demand Zero point The zero point suppression can be changed here Can be selected from 0 0 to 10 0 of the upper limit of the measurement range default set ting 1 calc mode standard current direction direction of power zero ...

Page 72: ...ed with an optional analog output module see table 1 2 order code D analog outputs are configured in following screen These settings allow writing the transduced measured values range 0 mA to 20 mA to analog outputs of analog output module via Modbus master or IE 60870 5 103 master Start value holding After power interruption the analog output is set to last in register saved value default After p...

Page 73: ...076 C340 A6 Edition 09 2013 Range for Modbus protocol from min 32767 to max 32767 Calculation Example from 0 to 1000 selected range 4 20 mA transmitted AO value 500 Current range 0 20 mA 4 20 mA AOfern from AOreal AOmin to from range max min 500 0 AOreal 4 1000 0 20 4 12mA ...

Page 74: ...ice characteristics are displayed on this window 4 6 Reset Reset of SICAM P Energy values Min Mean Max values Alarm counter counter for limit violations order number 7KG7750 BF Nr BF01047653 version 03 00 06 bus address 1 calibrated 15 09 2006 module A ok reset device Y reset energy Y reset min max Y reset counter Y ok cancel ...

Page 75: ...ens The contents and display mode of the various screens are established in this window Number of Screens 1 to 20 The number of screens that can be selected in level 2 via the buttons Screen interval repeat ratio 0 s to 60 s 0 s fixed screens only selection via buttons possible 1 s to 60 s scrolls automatically to the next screen after 1 s to 60 s reset power values Y reset mean values N reset ala...

Page 76: ... Selection of a specific screen among the number previously established The contents of the screen are automatically displayed when switching from one screen to the next Contents The contents of the selected screen can be established or modified here as follows 3 measured values digital 6 measured values digital 3 Min Max values Voltages currents cos φ phases L1 L2 L3 If specific screen content is...

Page 77: ...ues outputs limit violations binary state changes and oscilloscope records The total of the percentages entered must reach but not exceed 100 Notes For power recording the recording time will be calculated from the number of channels to be recorded and the period time For mean values and power recording settings you have to use the PC software SICAM P Parameterization ordering number see chapter 1...

Page 78: ...ns to access the group Data logger To leave the Data logger go back to the screen Date and Time and press ENTER to return to the Main menu 4 11 1 Data Logger Date and Time This screen shows the current time of the SICAM P to set the values refer chapter 4 3 5 4 11 2 Data Logger Limit Violation Group This screen displays all limit violations ordered by time You have to read the lines from bottom to...

Page 79: ...rn to the Main menu 4 11 3 Data Logger Binary States This screen displays all changes of the binary states ordered by time You have to read the lines from bottom to top Notes Press ENTER to activate the arrow buttons up down to display all messages Press ENTER again to deactivate this mode This allows you to switch to the other screens via the arrow buttons up down Go back to the screen Date and T...

Page 80: ...ntities such as active power reactive power harmonic power THD and cos φ is displayed by The energy counting is only stopped not reset Transmission of the measured value overflow using the Modbus protocol A special Modbus register register address 40200 has been reserved for the transmission of the measured value overflow For detailed information please see the Powermeter SICAM P Modbus manual ord...

Page 81: ...ics 82 5 2 Overview of Parameterization 83 5 3 Date Time Settings and Transmit 84 5 4 Dialog Window SICAM P 85 5 5 Basic Settings 86 5 6 Screens Setting on SICAM P 7KG7750 88 5 7 Input Output Modules 91 5 8 Additionals 100 5 9 Memory Management 106 5 10 Updating the Firmware 118 5 11 Resetting Values in the Device 120 5 12 Reading the Device Memory 121 5 13 Changing the Communication Parameters 12...

Page 82: ...nline help 2 Set the connection parameters on the device Select the protocol PC RS485 Select the baud rate for the connection 3 Set the connection parameters in the PC software SICAM P Parameterization Connection Setup connection Make sure to use the same baud rate 4 Load the settings from the device Device Connection configuration Receive 5 Edit the settings in the PC software 6 Send the new sett...

Page 83: ...0417 B1076 C340 A6 Edition 09 2013 5 2 Overview of Parameterization The following figures give an overview on all layers of the PC software SICAM P Parameteriza tion depending on the device type 5 2 1 Overview of Parameterization 7KG7750 5 2 2 Overview of Parameterization 7KG7755 ...

Page 84: ...ptions for calling up the Send date and time dialog window Select the menu item Device Setup device clock or click the clock symbol in the toolbar The Send date and time dialog window is displayed Send PC time 1 Click the Send PC time button to send the current PC time 2 If the PC time has been transmitted correctly and accepted by the connected device a con firmation will be displayed 3 Click the...

Page 85: ...dialog window you select the order number of the SICAM P device to be parameterized Note SICAM P Parameterization displays the parameters depending on the order number of the device see chapter 1 3 Thus the display above may be different for your device Reading the ID from the device recognizes the device type and sets the functional scope ...

Page 86: ...n Transformer In order to adapt the SICAM P to the network to be measured enter the network properties and the parameters for the current and voltage measurement inputs Network type Select the relevant network type Single phase Three wire three phase balanced Three wire three phase unbalanced 2 current inputs Aron circuit Three wire three phase unbalanced 3 current inputs Three phase four wire bal...

Page 87: ...e With transformer L L If a voltage transformer is used enter the primary and secondary data for the transformer here The device measurement range is extrapolated internally by the factor of the transformation ratio Current inputs Measurement range Select the maximum current measurement range up to which the device should display The pre cision information for the device relate to the range select...

Page 88: ...CAM P 7KG7750 55 Manual E50417 B1076 C340 A6 Edition 09 2013 5 6 Screens Setting on SICAM P 7KG7750 The screens displayed in the SICAM P 7KG7750 not possible with SICAM P 7KG7755 because no display and their contents are defined in the following dialog windows ...

Page 89: ... P you can switch between screens either manually using the buttons or automatically 0 s Off manual switching using keys 1 s to 60 s automatic switching after the period set the device then switches automatically from screen to screen on a loop Display illumination You can enter the time the backlighting remains on in minutes here 0 min Off no backlighting 1 min to 98 min after a button is pressed...

Page 90: ...e Content field Screen types are predefined display formats for your measured values on the SICAM P display You can choose between the screen types 3 Measured values digital 6 Measured values digital Min Max values U I cos φ For each screen type further selection options are displayed If you select 3 digital measured values 6 digital measured values or Min Max values the options are the measured v...

Page 91: ...puts are available in the device versions without I O modules As an option the device has been equipped with an I O module that is parameterized in the following dialog win dows Basic settings see chapter 5 7 3 Binary relay outputs see chapter 5 7 1 Binary inputs see chapter 5 7 6 Analog outputs see chapter 5 7 4 Analog inputs see chapter 5 7 5 ...

Page 92: ...signals via the binary outputs The pulse length indicates how long the binary contact is closed by means of a signal from a limit value group Energy counter If you assign this function to a binary output the consumption or supply of the selected work is output as a pulse Select a measured value and the related measure ment point Set a limit value energy increase per pulse for which a pulse should ...

Page 93: ...e Pulse Defines the high time of the signal at the binary output possible values 50 ms to 500 ms Switch off time Time during which the signal at the output of the binary contact is low The switch off time depends on the power measured Minimum switch off time The minimum switch off time must not be smaller than 50 ms to reach a defined switch off time Number of pulses The minimum pulse length and t...

Page 94: ...er x Current measuring range x Transformation ratio of the current transformer x 3 e g UPh N max 276 V TU 1 Imax 1 2 A TI 1 Pmax UPh N max x Imax x 3 993 6 W 3 Calculation of the minimum energy increase per pulse Depending on the pulse length and the maximum number of pulses h the following calcula tion applies Singl phase circuit Pmax W 14400 puls h 331 2 W 14400 puls h 0 023 Wh puls 0 000023 kWh...

Page 95: ...or this purpose enter the connected consumer power in the kW in total field Then switch over to another field of this dialog window to update the display The smallest possible power increase per pulse for the connected consumer power you have entered is displayed in the Help field under Input can be in range 5 For the value entered in the field Energy increase per pulse a pulse will be applied to ...

Page 96: ...e device and displayed on the screen 2 Parameterize the I O modules 3 Send the new configuration to the device A parameter set is prepared for a later transmission to a SICAM P offline 1 Define slot A for the corresponding I O module Note To ensure proper energy registration this value must not be lower than the value calculated in step 4 Note This procedure ensures that the I O modules displayed ...

Page 97: ... configure analog outputs 2 Activate Deactivate one or both analog outputs by ticking the corresponding check box under 1 and or 2 3 For each analog output used choose the Measured value together with the Test point and set the signal range in the fields from and to 4 Select the current range of the I O module 0 20 mA or 4 20 mA Note The output of analog values can be controlled via Modbus IEC 608...

Page 98: ...ng the corresponding check box under 1 and or 2 2 For each input used set the Designation together with the Dimension max 6 characters 3 You define the range of values of the signal in the fields from and to 4 The device display will be parameterized via screen contents the supervision of limit values concerning the analog inputs via limit value groups Note It is possible to save the values togeth...

Page 99: ...Dimension 3 If you want to use the input as an external counter you have to define the Factor e g as Energy increase per pulse refer to chapter 5 7 2 4 If you want to use the binary input to display binary information 0 1 0 must be entered as a factor 5 Choose the binary input to be used for time Synchronization via minute impulses The device will display the designation not the number of the Bina...

Page 100: ...e language and measured value descriptor Type of power calculation Direction of current Power direction Counter assignment of digital counter in screens Zero point suppression Device code Setting device codes to secure the device settings against unauthorized changes Limit value groups The 7 limit value groups for the device can be set here Clock Change Here you can set the data for daylight savin...

Page 101: ...ions Standard All measured values are true RMS taking all harmonics into consideration Cal culation of reactive power using methods used by traditional measuring devices electrody namics power measurement DIN All measured values are true RMS taking all harmonics into consideration Customized from standard reactive power calculation apparent power calculation cos φ and power fac tor taking into con...

Page 102: ...ign the four internal counters to the max 6 limit values groups here Zero point suppression The zero suppression enables the definition of the measuring range start in of the measuring range end Can be selected from 0 0 to 10 0 of the upper limit of the measurement range default setting 1 000 5 8 2 Device Code Setting the device code secures the SICAM P against unauthorized changes When the code i...

Page 103: ...ts interface change code adjustment other settings Notes A password always consists of a 6 digit number If you forget your password you can activate the machine either using a master password available from the hotline see Foreword or using the SICAM P parameterization software Device code 1 is only active if code 2 is activated as well If code 1 and 2 are activated the code 2 password can also be...

Page 104: ... be allocated either to binary outputs or to the internal counters The oscilloscope can be triggered using a limit value group 1 to 6 Filter time Time for which a threshold breach must remain in order to trigger an alarm Input from 0 0 s to 9 9 s Hysteresis Entry from 0 1 to max 10 The value relates to the nominal values for the individual measured values Note To make sure that limit violations wi...

Page 105: ...not have to indicate the hour since SICAM P considers the fact that the time change Day Mon will always take place at 2 a m If you have not entered a date for start and end of the daylight saving time the corresponding field remains grayed and SICAM P assumes that no time change will take place in the device The time change will only be carried out if the corresponding date field is activated ...

Page 106: ...Management 106 Power Meter SICAM P 7KG7750 55 Manual E50417 B1076 C340 A6 Edition 09 2013 5 9 Memory Management In the following dialog windows you can customize the memory of SICAM P according to your requirements ...

Page 107: ...he number of values that will be stored for this setting The oldest values will be overwritten if you have selected Ring buffer Yes for the recording or if overwriting is enabled by default If you have selected Ring buffer No the recording will be terminated when the capacity of the associated memory area is exhausted See the next chapters for details Note The device has a memory capacity of 1 MBy...

Page 108: ...10 s Power values n Number of channels max 8 Period time 15 min 30 min or 60 min Calculation example with 20 memory size n 8 channels and period time 15 min Note For technical reasons e g capacity for header data the recording capacity for the individual measured values displayed in the dialog window is slightly smaller than the capacity in the exam ples 3600 4 12 Byte n Periodtime Byte emory Allo...

Page 109: ... 20 memory size Oscilloscop RMS values Calculation example with 20 memory size Limit violations Calculation example with 20 memory size 50 16 64 Byte Byte emory AllocatedM s tMAX 209715 Byte 64 16 Byte 50 tMAX s 4 1 s 3600 8 Byte Byte emory AllocatedM h tMAX 209715 Byte 8 Byte 3600 tMAX h 7 h Byte Byte emory AllocatedM Values 12 209715 Byte 12 Byte Values 17476 ...

Page 110: ...or one of the six Limit value groups as Start selector for the average value recording It is possible to combine Date and Limit value group as start selectors The first of the two criteria fulfilled will launch the recording 3 When entering a date as Start selector you must indicate a year between 2000 and 2060 4 The Ring buffer mode allows you to select if the oldest values will be overwritten Ye...

Page 111: ...recording Proceed as follows 1 Select up to eight Measured values and Test points 2 Select a Date or one of the six Limit value groups as Start selector for the power recording It is possible to combine Date and Limit value group as start selectors The first of the two criteria fulfilled will launch the recording 3 When entering a date as Start selector you must indicate a year between 2000 and 20...

Page 112: ...t values will be overwritten Yes or not No when the capacity of the associated memory area is exhausted 5 Also you must indicate the Period time 15 min 30 min 60 min Note If you have entered a past start date SICAM P will initiate mean value recording immediately after the setting Manual start is not activated by configuration but can be initiated at any time ...

Page 113: ...ics of Instantaneous Values Recording Record length can be parameterized The recording time to be saved in the allocated memory see chapter 5 9 1 is calculated according to the following formula Sampling rate The sampling rate is adjusted such that there are 64 samples per cycle Therefore the sampling rate is as follows for 50 Hz and 60 Hz respectively at 50 Hz 3 20 kHz at 60 Hz 3 84 kHz Trigger v...

Page 114: ...ing time to be saved in the allocated memory see chapter 5 9 1 is calculated according to the following formula One sample of a measured quantity is saved each second Pre trigger history is always 30 of the selected recording time 3600 8 Byte Byte emory AllocatedM h tMAX Note Since 30 of the recording time is always allocated to pre trigger history the time for record ing the pre trigger history m...

Page 115: ...ust determine whether to record Instantaneous values or RMS values 3 The Ring buffer mode allows you to select if the oldest values will be overwritten Yes or not No when the capacity of the associated memory area is exhausted 4 Indicate the Storage duration in seconds Note When changing the value type instantaneous or RMS the present selection will be reset since the two types of measured values ...

Page 116: ...mit Violation In this dialog window you can specify the limit value groups to be recorded Select up to six Limit value groups A violation of the specified limits will be recorded in the memory Note If the memory capacity for the recording of limit violations is exhausted data within this area will be overwritten ...

Page 117: ...55 Manual E50417 B1076 C340 A6 Edition 09 2013 5 9 7 Binary States In this dialog window you can specify the settings for recording of binary states Select the Binary outputs to be recorded The states of the binary outputs will then be recorded in the memory ...

Page 118: ...bar select Connection Setup con nection and set the following parameters in the Setup device connection dialog Device connection Serial connection Device address address 0 is valid for all devices Interface e g COM1 Baud rate 9600 Baud at delivery depends on adapter type RS485 Note Make sure to set the same parameter values in SICAM P Parameterization and in the device In the device the serial int...

Page 119: ... 5 From the menu bar select Device Send new firmware 6 In the Send firmware dialog enter the path to the firmware file 7KG SX 7 Click the button Transmit firmware The transfer may take some minutes Check the ID again symbol ID see item 3 The new firmware version will be displayed Note A check sum allows to relate each firmware version to device types and hardware versions This ensures that no inco...

Page 120: ...to reset the following values Energy counter Counters for limit violations Min aver and max values Proceed as follows 1 Establish a connection to the device Make sure to set the same parameter values in SICAM P Parameterization and in the device In the device the serial interface must be set to PC RS 485 2 From the menu bar select Device Commands Reset values to reset the displayed items ...

Page 121: ...ad memory dialog 2 Select a memory area 5 12 1 Handling Cancel Click this button to interrupt the data download from the device If a large amount of the memory is assigned to a record the download of data may take a few minutes at low baud rates perhaps some hours The download progress is shown in the status line If the download was successful or interrupted by the user this button will be renamed...

Page 122: ...the measuring cursor in the diagram the corre sponding row in the chart is marked by activating a row in the chart the cursor in the diagram moves to the corresponding timestamp mean values power values and binary states only 5 12 3 Diagrams In diagrams zooming measuring and other functions are available Click the right mouse button in diagrams to activate the functions zoom optimize optimize x ax...

Page 123: ...d in one diagram for each value with trigger timestamp With the two measuring cursors measurement on signals is possible To do this select signals in the table Additional functions are available by pressing the right mouse button see diagrams 5 12 8 Limit Violation Record Limit violations are represented in a chart Limit violations of group 1 to 6 are shown when occur ring ON and disappearing OFF ...

Page 124: ...is shown 5 12 10 Log Entries Log entries are represented in a chart For each of the following entries date and time are shown Failure voltage supply Switch on auxiliary power supply Change of device parameter Reset recording limit value groups Reset recording mean values Reset recording power values Reset recording oscilloscope Set watch Note For further information on Reading the Device Memory re...

Page 125: ...rameters are preset Address 1 Protocol Serial ASCII Baud rate 9600 bit s Parity No In order to switch to another protocol proceed as follows 1 From the menu select Device Connection configuration Edit The dialog Device connection parameters will open 2 Select the combination of bus protocols supported by your device in the bus protocols in the device field PROFIBUS DP and Modbus or IEC 60870 5 103...

Page 126: ...ivated where you have to choose Measured values range 120 or 240 Transmit harmonics Yes or No Transmit energy and counters Yes or No 6 Confirm your entries by clicking OK 7 Select the menu item Device Connection configuration Send to send the new setting to the device Note The bus protocols provided in your device depend on the device type and the firmware ver sion Therefore check the correct bus ...

Page 127: ...SICAM P 7KG7750 55 Manual E50417 B1076 C340 A6 Edition 09 2013 Calibration 6 Contents The adjustment is explained in the following chapters 6 1 Overview 128 6 2 Connection Diagrams for Adjustment 129 6 3 Procedure 130 ...

Page 128: ...ngle phase adjusting device that can generate voltages and currents e g Omicron CMC 256 EP Adjustment frequency 50 Hz or 60 Hz When connecting the adjusting outputs to the appropriate inputs make sure that the SICAM P is correctly connected as per the Connection Diagrams for adjustment The following three elements should be adjusted during the adjustment process Voltage inputs V Current inputs I N...

Page 129: ...y of the measurements made by the SICAM P The following applies to the adjustment of current and voltage inputs of the SICAM P Single phase current and voltage connection Frequency 50 Hz or 60 Hz There must be no phase shift between current and voltage Connect the device terminals Ground terminal block H and N terminal block F with ter minal N on the adjusting device The SICAM P must be grounded I...

Page 130: ...lues If the default values are not available make the appropriate changes Switch the adjusting device on with the setpoints Follow the instructions SICAM P is readjusted Procedure for programming software Establish the communication between device and programming software In the menu select Calibration A dialog window appears Select the element you wish to adjust U or I Enter the setpoints for adj...

Page 131: ...131 Power Meter SICAM P 7KG7750 55 Manual E50417 B1076 C340 A6 Edition 09 2013 Maintenance Storage Transport 7 Contents 7 1 Maintenance 132 7 2 Storage 132 7 3 Transport 132 ...

Page 132: ...humidity must not lead to condensation or ice formation To avoid premature aging of the electrolytic capacitors store the device within the recommended temperature range of 10 C to 35 C 50 F to 95 F Siemens furthermore recommends connecting the device to supply voltage once a year for 1 to 2 days in order to form the inserted electrolytic capacitors This procedure should also be carried out before...

Page 133: ...r Meter SICAM P 7KG7750 55 Manual E50417 B1076 C340 A6 Edition 09 2013 Technical Data 8 Contents The following chapters include the technical data of both devices 8 1 SICAM P 7KG7750 134 8 2 SICAM P 7KG7755 142 ...

Page 134: ...ltages 24 V to 250 V Admissible input voltage tolerance 20 Permitted ripple of the input voltage 15 Maximum inrush current At 110 V 15 A At 220 V to 300 V 22 A after 250 µs 5 A Maximum power consumption 6 W Rated input voltages 110 V to 230 V System frequency at AC 50 Hz 60 Hz Admissible input voltage tolerance 20 Permitted harmonics 2 kHz Maximum inrush current At 115 V 15 A At 230 V 22 A after 2...

Page 135: ...se phase 831 V Input impedances a b c to N 8 4 MΩ 1 phase 4 2 MΩ 3 phases symmetrical a b b c c a 8 4 MΩ Further information about the voltage measuring inputs Power consumption per input for Vrated 400 V 38 mW Permissible power frequency 45 Hz to 65 Hz min 30 UIN Waveform Sinusoidal or up to the 21st harmonic Measuring error with calibration at 23 C 1 C 50 Hz or 60 Hz typically 0 1 for reference ...

Page 136: ...current measuring inputs Max rated input voltage 150 V Measuring error with calibration at 23 C 1 C 50 Hz or 60 Hz Typically 0 1 at reference conditions Thermal stability 10 A continuous 100 A for max 1 s Maximum contact voltage Alternating voltage 230 V Direct voltage 250 V Maximum currents Maximum continuous contact current 100 mA Maximum pulse current for 0 1 s 300 mA Further information about ...

Page 137: ...t current DC 0 mA to 20 mA Output range DC 0 mA to 24 mA Max load resistance 250 Ω Accuracy 0 2 typical max 0 5 of the nomi nal value Max switching voltage AC 150 V DC 150 V Max permanent current AC 5 A DC 5 A Min permanent current 1 mA at DC 5 V Rating resistive AC 5 A 150 V or DC 5 A 30 V Max response time 10 ms Max release time 7 ms Connection Terminal side 9 pin D sub socket RS485 Protocol PRO...

Page 138: ...o 55 C 13 F to 131 F Temperature during transport 25 C to 70 C 13 F to 158 F Temperature during storage 25 C to 70 C 13 F to 158 F Maximum temperature gradient 20 K h Air humidity data Mean relative humidity per year 75 Maximum relative humidity 80 for temperatures up to 31 C 87 8 F decrease linearly to 50 at 40 C 104 F Condensation during operation Not permitted Condensation during transport and ...

Page 139: ...total of 2 months over a 10 year period Display Resolution 128 x 64 pixel The display is only restrictedly readable at low temperatures 0 C 32 F Dimensions 40 mm x 60 mm Backround illumination Yellow Protection Front IP41 IP65 Terminals IP20 Personal protection IP1x Fuses Internal fuse Type T1 6A 250V according IEC 60127 Not replaceable Internal fuse secondary Type F2A 125V according UL 248 14 Not...

Page 140: ...C Auxiliary voltage UH UHN 1 Warm up time 15 min External fields no Standards IEC EN 61000 6 2 IEC EN 61000 6 4 IEC EN 61010 1 IEC EN 61010 2 030 Inputs Outputs Insulation Rated Voltage ISO Test Voltage Category Current measurement inputs E Reinforced 150 V AC 2 21 kV Cat III Voltage measurement inputs F Reinforced 480 V Surge voltage 9 76 kV Cat III Supply voltage H Reinforced 300 V DC 3 125 kV C...

Page 141: ...255 21 1 06 90 IEC EN 60068 2 6 03 95 Class 1 Vibration sinusoidal transport IEC EN 60255 21 1 06 90 IEC EN 60068 2 6 03 95 Class 1 Vibration on earthquake for stationary application IEC EN 60255 21 3 06 90 IEC EN 60068 2 57 03 95 IEC EN 60068 3 3 03 95 Class 1 Shock for stationary application IEC EN 60255 21 2 06 90 IEC EN 60068 2 27 03 95 Class 1 Shock semi sinusoidal transport IEC EN 60255 21 2...

Page 142: ...6 Edition 09 2013 8 2 SICAM P 7KG7755 With the following exceptions the technical data of the SICAM P 7KG7755 correspond to the data of the SICAM P 7KG7750 The SICAM P 7KG7755 has no display Protection class according IEC EN 60529 VDE 0470 part 1 Device IP20 Personnel protection IP1x ...

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