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Siemens SICAM P37 Manual Download Page 14

Functions
3.1 Measurement

SICAM P37, 3-phase Harmonic Power Meter, User Manual

E50417-H8940-C563-

4

, Release Date

06.2018

14

3.1

Measurement

This meter is provided with various measuring functions. Power grid parameters and index measurable are as
follows:

• Voltage of each phase and mean voltage

• Voltage of each line and mean voltage

• Current of each phase, average current and neutral current

• Total and separate active power, reactive power and apparent power of each phase

• Phase angle of voltage and current of each phase

• Total and separate power factor of each phase

• Power grid frequency and measuring range 45 Hz to 65 Hz

• Effective value and ratio of 2

nd

to 50

th

harmonic voltage and harmonic current of each phase

- Harmonic voltage ratio:

where, U

h

- No. h harmonic voltage (RMS); U

1

- fundamental voltage (RMS).

- Harmonic current ratio:

where, I

h

- No. h harmonic current (RMS); I

1

- fundamental current (RMS).

• Total harmonic voltage distortion and total harmonic current distortion of each phase
- Total harmonic voltage distortion:

- Total harmonic current distortion:

• Voltage wave crest factor (CF) of each phase, indicating peak of distorted waveform

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Summary of Contents for SICAM P37

Page 1: ...3 phase Harmonic Power Meter V1 0 Manual E50417 H8940 C563 Preface Content Overview 1 Technical Data 2 Functions 3 Operation and Display 4 Installation and Wiring 5 Communication 6 Maintenance 7 Ordering Number 8 ...

Page 2: ...content does not form part of a contract or of business relations nor does it change these All obligations of Siemens AG are stated in the relevant contractual agreements Siemens AG reserves the right to revise this document from time to time Document Version V01 10 01 Release date Copyright Copyright Siemens AG 2015 All rights reserved The disclosure duplication distribution and editing of this d...

Page 3: ...uld particular problems arise which are not covered sufficiently for the purchaser s purpose the matter should be referred to the local Siemens represen tative Our Customer Support Center provides a 24 hour service Phone 49 180 524 7000 Fax 49 180 524 2471 E mail support energy siemens com Notes on Safety This document is not a complete index of all safety measures required for operation of the eq...

Page 4: ...standards of safety engineering Proper Use The equipment device module may be used only for such applications as set out in the catalogs and the technical description and only in combination with third party equipment recommended and approved by Siemens Problem free and safe operation of the product depends on the following Proper transport Proper storage setup and installation Proper operation an...

Page 5: ...3 7 Digital Input and Output Interface 18 4 Operation and Display 21 4 1 Full screen Display 22 4 2 Cyclic Display 22 4 3 Key Definition 24 5 Installation and Wiring 33 5 1 Total Dimension 34 5 2 Precautions of Installation 34 5 3 Terminals and Wiring Diagram 35 6 Communication 39 6 1 Use of Communication 40 6 2 Introduction of MODBUS RTU Communication Protocol 41 6 2 1 Overview 41 6 2 2 Function ...

Page 6: ...Contents SICAM P37 3 phase Harmonic Power Meter User Manual E50417 H8940 C563 Release Date 6 ...

Page 7: ...SICAM P37 3 phase Harmonic Power Meter User Manual E50417 H8940 C563 Release Date 7 Overview 1 1 1 Introduction 8 1 2 Features 8 ...

Page 8: ...tem and community power monitoring etc This 3 phase electronic multi function power meter meets following standards IEC 62052 11 2003 Electricity metering equipment a c General requirements tests and test conditions Part 11 Metering equipment standard IEC 62053 22 2003 static meters for active energy classes 0 2 S and 0 5 S IEC 62053 23 2003 static meters for reactive energy classes 2 and 3 Modbus...

Page 9: ...SICAM P37 3 phase Harmonic Power Meter User Manual E50417 H8940 C563 Release Date 9 Technical Data 2 2 1 Technical Data 10 ...

Page 10: ...uracy 0 5 Resolution 0 001 kW kVar kVA Power grid frequency Measuring range 45 Hz 65 Hz Accuracy 0 2 Resolution 0 01 Hz Harmonic Frequency 2nd 50th Precision 5 Metering Active power Accuracy level 0 5 S Acc To IEC 62053 22 Resolution 0 01 kWh 5000 imp kWh Reactive power Accuracy level Class 2 Acc To IEC 62053 23 Resolution 0 01 kvarh 5000 imp kvarh Digital signal Power pulse output 2 electric ener...

Page 11: ...r Meter User Manual E50417 H8940 C563 Release Date 11 Others Operating power supply AC or DC power supply Max input range 40 V 420 V Power consumption W VA Dimension Total dimension mm 96 96 95 Panel cut out size mm 92 92 IP53 Weight Approx 450 g Item Technical Data ...

Page 12: ...Technical Data 2 1 Technical Data SICAM P37 3 phase Harmonic Power Meter User Manual E50417 H8940 C563 4 Release Date 06 2018 12 ...

Page 13: ...417 H8940 C563 4 Release Date 06 2018 13 Functions 3 3 1 Measurement 14 3 2 Energy Metering 15 3 3 Limit violation Alarm 16 3 4 Display and Buttons 17 3 5 Communication 17 3 6 Permission and Security Management 17 3 7 Digital Input and Output Interface 18 ...

Page 14: ...ach phase Phase angle of voltage and current of each phase Total and separate power factor of each phase Power grid frequency and measuring range 45 Hz to 65 Hz Effective value and ratio of 2nd to 50th harmonic voltage and harmonic current of each phase Harmonic voltage ratio where Uh No h harmonic voltage RMS U1 fundamental voltage RMS Harmonic current ratio where Ih No h harmonic current RMS I1 ...

Page 15: ... communication system noise reducing quality of connection Consultative Committee of International Telephone and Tele graph CCITT measures harmonic interference to telecommunication using weight coefficient Ph of noise expressed with THFF where Ph weight coefficient of noise 3 2 Energy Metering This meter can meter various energy data combined active energy combined reactive and four quadrant reac...

Page 16: ...oltage V current A active KW reactive power KVAR apparent KVA frequency Hz Judging condition 0 means alarm activated when exceeding limit 1 means alarm activated when falling below limit Alarm signal output relay 0 means no alarm signal output 1 means alarm signal outputted from relay 1 2 means alarm signal outputted from relay 2 3 means alarm signal outputted from relay 1 and relay 2 at the same ...

Page 17: ...L4 passwords L4 password used for parameter setting and modifying L4 password not for meter reset clearing extreme values and PT CT ratio setting All level default PASSWORD is 000000 2 Parameter setting is available only when this product is in programmable state Steps for entering programming state press and at the same time to enter PASS screen input correct password and press to enter SET scree...

Page 18: ... reactive with internal opto isolation pulse output width 80 20 ms maximum allowable passing current 10 mA DC and operating voltage range 5 V to 80 V DC Figure 3 1 Circuit Diagram of Power Pulse Output Interface Binary Input Interface This product is provided with 4 digit binary inputs interface based on passive dry contact Terminals are identi fied as DI1 DI2 DI3 DI4 and COM COM is the common ter...

Page 19: ...0417 H8940 C563 4 Release Date 06 2018 19 Relay Output Interface This product is provided with two relay outputs interfaces for alarm indication or protection control output in many conditions Electric parameter of internal relay AC 250 V DC 30 V 3 A Figure 3 3 Circuit Diagram of Relay Output Interface ...

Page 20: ...Functions 3 7 Digital Input and Output Interface SICAM P37 3 phase Harmonic Power Meter User Manual E50417 H8940 C563 4 Release Date 06 2018 20 ...

Page 21: ...SICAM P37 3 phase Harmonic Power Meter User Manual E50417 H8940 C563 4 Release Date 06 2018 21 Operation and Display 4 4 1 Full screen Display 22 4 2 Cyclic Display 22 4 3 Key Definition 24 ...

Page 22: ... one byte 4 high 4 bits are number of items in display area A while 4 low 4 bits are number of items in display area B 16 items are acceptable to each area At any time display area A and display area B should have at least one cyclic display item Cyclic Display State Cyclic display data in areas A and B can be defined by user User may develop cyclic display scheme previously through inquiring Code...

Page 23: ...angle 22 Data item Data type current value Data item Data Tran sient Maximun Minimu m Current month Phase L1 Phase L2 Phase L3 Average phase voltage 228 229 230 Import active power 251 252 253 254 Average line voltage 231 232 233 Export active power 255 256 257 258 Average current 234 235 236 Total active power 259 260 261 262 Neutral current 237 238 239 Net active power 263 264 265 266 Total acti...

Page 24: ...age 1 Extreme value PT and CT ratio 10 Line voltage 2 Extreme value Voltage distortion rate 11 Current 3 Extreme value Current distortion rate 12 Neutral current 4 Extreme value Fundamental voltage 13 2nd 50th harmonic voltage Active power 5 Extreme value Fundamental current 14 2nd 50th harmonic current Reactive power 6 Extreme value Second harmonic voltage ratio 15 3rd 50th Apparent power 7 Extre...

Page 25: ...mple 2 This screen shows maximum value display items of current line voltage At cyclic display mode press or to enter key display mode When area A is selected press or again to switch to voltage items and press to enter maximum value display In the figure L1 380 0 V L2 380 1 V L3 380 5 V and maximum 3 phase average line voltage 380 2 V You can press or to switch to minimum line voltage display Pre...

Page 26: ... 0 320 kvar L2 0 351 kvar L3 0 322 kvar and total reactive power 0 993 kvar Example 7 This screen shows current apparent power items At cyclic display mode press or to enter key display mode When area A is selected press or to enter ap parent power items In the figure L1 1 210 kVA L2 1 168 kVA L3 1 174 kVA and total apparent power 3 552 kVA Example 8 This screen shows current power factor items At...

Page 27: ...72 L2 0 90 L3 1 05 and mean voltage distortion rate 0 89 Example 12 This screen shows fundamental voltage items At cyclic display mode press or to enter key display mode When area A is selected press or to enter fun damental voltage items In the figure L1 10 20 V L2 11 03 V L3 9 88 V and mean fundamental voltage 10 37 V Example 13 This screen shows second harmonic current ratio items At cyclic dis...

Page 28: ... again to switch to display items of software version In the figure Soft means software version 13 means product specification 121121 means software version date and 00 means serial number of software production Example 17 This screen shows active pulse constant items At cyclic display mode press or to enter key display mode press to switch to area B and press or to switch to active pulse constant...

Page 29: ...Press or again to switch to error code display items E means fault prompt the 7 bits from right to left mean respectively phase A loss phase B loss phase C loss voltage phase inversion phase C reverse phase B reverse and phase A reverse For example E0110001 means phase B and phase C loss and phase C reverse fault occurs Key symbol Function a to switch digit or flip over b to move cursor or flip ov...

Page 30: ...sending delay 0 2999 Unit ms Default setting 10 DL T645 high 6 address 0 999999 Default setting 0 DL T645 low 6 address 0 999999 Default setting Last 3 digital of S N 2 Ratio setting Note 2 Voltage ratio integer part 0 9999 Combination 0 9999 9999 Default setting 1 Voltage ratio decimal part 0 9999 Current ratio integer part 0 9999 Combination 0 9999 9999 Default setting 1 Current ratio decimal pa...

Page 31: ...are configurable All default password is 000000 Note The meter should be reset after altering PT CT ratio to ensure reasonable correspondence between communication reading and displayed metering data 3 Parameter setting with keys take Conn communication setting for example Figure 4 2 Parameter setting with keys 5 Display setting Time of returning to cyclic display state when no operation 1 99 Unit...

Page 32: ...e wrong To re enter password press To quit and return to cyclic display state enter if specified error count is reached parameter setting function will be locked for certain period which is configurable in advance If the password is validated you may enter the first level menu The figure shows the read write items under Conn menu baud rate and communication address of RS485 port can be set Note SU...

Page 33: ...P37 3 phase Harmonic Power Meter User Manual E50417 H8940 C563 4 Release Date 06 2018 33 Installation and Wiring 5 5 1 Total Dimension 34 5 2 Precautions of Installation 34 5 3 Terminals and Wiring Diagram 35 ...

Page 34: ... to avoid accident arising from vibration 4 For the reason of convenient installation maintenance and operation and safety enough space around this product should be reserved during installation especially when one panel for multiple meters 5 Requirement for electric wiring Stranded fire retarded copper wire over 2 5 mm2 should be used for current circuit 1 5 mm2 stranded fire retarded copper wire...

Page 35: ...ich can be connected using fork or ring type lug no more than 6 5 mm wide For cables to be connected to upper and lower main terminals cold pressed UT2 5 3 terminal is recommended before connection The diagram of connection is below Figure 5 2 Connection Diagram of Main Terminal V V NC NC R11 R12 R21 R22 Power supply Reserved Reserved Relay output 1 Relay output 2 V1 V2 V3 VN I11 I12 I21 I22 I31 I...

Page 36: ... is showed below V and V are power supply terminals This product sup ports DC AC input with input voltage 40 V to 420 V For 3 phase 3 wire connection Vn and V2 should be con nected together see Figure 5 5 Figure 5 3 Wiring Diagram of 3 phase 4 wire W O PT P Q COM1 DI1 DI2 DI3 DI4 COM2 A B NC NC Active pulse Reactive pulse Common pulse output terminal Binary input 1 Binary input 2 Binary input 3 Bi...

Page 37: ... 5 3 Terminals and Wiring Diagram SICAM P37 3 phase Harmonic Power Meter User Manual E50417 H8940 C563 4 Release Date 06 2018 37 Figure 5 4 Wiring Diagram of 3 phase 4 wire With PT Figure 5 5 Wiring Diagram of 3 phase 3 wire ...

Page 38: ...Installation and Wiring 5 3 Terminals and Wiring Diagram SICAM P37 3 phase Harmonic Power Meter User Manual E50417 H8940 C563 4 Release Date 06 2018 38 ...

Page 39: ...SICAM P37 3 phase Harmonic Power Meter User Manual E50417 H8940 C563 4 Release Date 06 2018 39 Communication 6 6 1 Use of Communication 40 6 2 Introduction of MODBUS RTU Communication Protocol 41 ...

Page 40: ... bps and 38 400 bps RS485 port of this product should be connected using Shield Twisted Pair When wiring layout of the entire network should be considered length and orientation of communication cable position of upper computer matched resistance at network end point communication converter network scalability network coverage EMI etc Note 1 Wiring should be conducted strictly in accordance with r...

Page 41: ...ta packet will receive and check the data If no error slave will execute the request in data packet and send the responsive date packet to the master The data packet sent back by slave contains slave Address Function executed Data generated from function execution and CRC Address Address is at the beginning of data packet and consists of an 8 bit data which means slave address specified by the mas...

Page 42: ...gh byte of CRC Communication address 0 247 Function code 03 H Number of bytes of data length Content of data Content of data Content of data Low byte of CRC High byte of CRC Device address 03 H 10 H 00 H 00 H 03 H Low check High check Device address 03 H 06 H Data 1 Data 2 Low check High check Device address 0 247 Func tion code 10 H Highbyte of start address of vari able Low byte of start address...

Page 43: ...ating CRC Preset 16 bit register to hexadecimal FFFF namely all to 1 and this register is called CRC register Execute exclusive OR of low bytes of 1st 8 bit data and 16 bit CRC register and put the result in CRC register Shift the content of register rightwards by one bit towards lower bit and fill the highest bit with 0 Check the lowest bit If the lowest bit is 0 repeat step 3 shift again if it i...

Page 44: ...000 as default when PT 0 Low 16 bits of voltage ratio part 0003 H High 16 bits of current ratio part 0004 H unsigned long 4 bytes R W 0 99999999 CT ratio set val ue 10 000 10 000 as default when CT 0 Low 16 bits of current ratio part 0005 H Clearingextreme value 0006 H unsigned int 2 bytes W Arbitrary value Parity 0020 H unsigned int 2 bytes R W 0 3 0 8E1 1 8o1 2 8n1 3 8n2 Parameter Address Data T...

Page 45: ... 2 bytes R W 0 or 100 3000 Unit ms Value 0 is for latched output value 100 3000 for pulse output Alarm 1 Limit viola tion data type 0110 H unsigned int 2 bytes R W 0 31 See alarm type table High 16 bits of limit viola tionthreshold 0111 H unsigned long 4 bytes R W Arbitrary value Threshold set val ue 100 Low 16 bits of limit viola tionthreshold 0112 H Limit viola tiondetection type 0113 H unsigned...

Page 46: ...e Date 06 2018 46 Note High bytes BIT0 BIT3 respectively mean status of binary input 1 to 4 Bit value 0 means input is open while 1 means input is closed Low bytes BIT0 and BIT1 respectively mean status of relay output 1 and 2 Bit value 0 means contact is open relay no operation while 1 means contact is closed relay closed ...

Page 47: ... 2 bytes R W 0 999 16th screen of cyclic display item of screen B 015F H unsigned int 2 bytes R W 0 999 Parameter Address Data Type Length R W Data Range Unit Phase A voltage 1000 H unsigned int 2 bytes R 0 65535 0 01 V Phase B voltage 1001 H unsigned int 2 bytes R 0 65535 0 01 V Phase C voltage 1002 H unsigned int 2 bytes R 0 65535 0 01 V Average phase voltage 1003 H unsigned int 2 bytes R 0 6553...

Page 48: ...ned int 2 bytes R 0 3600 0 1 Phase A fundamental voltage 1100 H unsigned int 2 bytes R 0 65535 0 01 V Phase B fundamental harmonic voltage 1101 H unsigned int 2 bytes R 0 65535 0 01 V Phase C fundamental harmonic voltage 1102 H unsigned int 2 bytes R 0 65535 0 01 V Phase A 2nd harmonic voltage 1103 H unsigned int 2 bytes R 0 65535 0 01 V Phase B 2nd harmonic voltage 1104 H unsigned int 2 bytes R 0...

Page 49: ...o n harmonic ratio unsigned int 2 bytes R 0 10000 0 01 Phase B voltage No n harmonic ratio unsigned int 2 bytes R 0 10000 0 01 Phase C voltage No n harmonic ratio unsigned int 2 bytes R 0 10000 0 01 Phase A voltage 50th harmonic ratio 1393 H unsigned int 2 bytes R 0 10000 0 01 Phase B voltage 50th harmonic ratio 1394 H unsigned int 2 bytes R 0 10000 0 01 Phase C voltage 50th harmonic ratio 1395 H ...

Page 50: ...ve power high 16 bits 2002 H unsigned long 4 bytes R 0 4294967295 0 1 Wh Phase B import active power low 16 bits 2003 H Phase C import active power high 16 bits 2004 H unsigned long 4 bytes R 0 4294967295 0 1 Wh Phase C import active power low 16 bits 2005 H Total import active power high 16 bits 2006 H unsigned long 4 bytes R 0 4294967295 0 1 Wh Total import active power low 16 bits 2007 H Phase ...

Page 51: ...67295 0 1 varh Phase C export reactive power low 16 bits 210D H Total export reactive power high 16 bits 210E H unsigned long 4 bytes R 0 4294967295 0 1 varh Total export reactive power low 16 bits 210F H Parameter Address Data Type Length R W Data Range Unit Parameter Address Data Type Length R W Data Range Unit Phase A voltage 4X00 unsigned int 2 bytes R 0 65535 0 01 V Phase B voltage 4X07 unsig...

Page 52: ...e while X 1 means minimum value This manual applies to software version for 150113 and later released by the device Phase A apparent power 4X7E unsigned int 0 65535 1 VA Phase B apparent power 4X85 unsigned int 0 65535 Phase C apparent power 4X8C unsigned int 0 65535 Total apparent power 4X93 unsigned int 0 65535 Parameter Address Data Type Length R W Data Range Unit ...

Page 53: ...SICAM P37 3 phase Harmonic Power Meter User Manual E50417 H8940 C563 4 Release Date 06 2018 53 Maintenance 7 7 1 Maintenance 54 ...

Page 54: ...bration free during installation Upward view of the meter provides the best display effect so it should be installed verti cally The meter should be stored in environment free of condensation at 35 to 70 and 95 humidity in original package At most 5 layers are allowable for stacking The meter is inappropriate for storing after un packing The meter should be stored in clean location free of hazardo...

Page 55: ...SICAM P37 3 phase Harmonic Power Meter User Manual E50417 H8940 C563 4 Release Date 06 2018 55 Ordering Number 8 8 1 Ordering Number 56 ...

Page 56: ...CAM P37 3 phase Harmonic Power Meter User Manual E50417 H8940 C563 4 Release Date 06 2018 56 8 1 Ordering Number Model SICAM P 3 7 Function 3U 3I P Q PF f kwh kVarh 2 pulse Harmonic 4BI 2BO 1 RS485 Model Ordering No SICAM P37 7KG7331 1HA11 ...

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