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Installation and Wiring

5.3 Terminals and Wiring Diagram

SICAM P30 P31 P32, 3-phase Current Power Meter, User Manual

E50417-H8940-C561-

, Release Date 

25

5.3

Terminals and Wiring Diagram

Definition of Terminals (viewed from rear to front and from left to right)

1. Upper main terminals

 

Note

NC means no connection, the same below.

 

2. Lower main terminals

 

Note

Main terminals are barrier terminals which 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 supp

ly 

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nd

Re
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rve
d

Re
se

rve
d

Rel
ay output 1

Rel
ay output 2

V1

V2

V3

VN

I11

I12

I21

I22

I31

I32

Re
se

rved

Re
se

rved

Re
se

rved

Re
se

rved

Ph
ase 

A cu

rre
nt i

nput

Ph
ase 

A cu

rre
nt o

utp

ut

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ase 

B cu

rre
nt i

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Summary of Contents for SICAM P30

Page 1: ...SICAM P32 3 phase Current Power Meter V1 0 Manual E50417 H8940 C561 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: ...should 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...

Page 4: ...he 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...

Page 5: ...al Input and Output Interface 14 4 Operation and Display 15 4 1 Full screen Display 16 4 2 Cyclic Display 16 4 3 Key Definition 17 5 Installation and Wiring 23 5 1 Overall Dimension 24 5 2 Precautions of Installation 24 5 3 Terminals and Wiring Diagram 25 6 Communication 29 6 1 Use of Communication 30 6 2 Introduction of MODBUS RTU Communication Protocol 31 6 2 1 Overview 31 6 2 2 Function of Appl...

Page 6: ...Contents SICAM P30 P31 P32 3 phase Current Power Meter User Manual E50417 H8940 C561 Release Date 6 ...

Page 7: ...SICAM P30 P31 P32 3 phase Current Power Meter User Manual E50417 H8940 C561 Release Date 7 Overview 1 1 1 Introduction 8 1 2 Features 8 ...

Page 8: ...ation system industrial control and industrial automation system energy management system and community power monitoring etc 1 2 Features This product uses high precision sampling and metering unit and high speed MCU data processing unit sup porting high precision wide range and accurate measurement and quick data analysis segmented multi line WVA LCD realizing various and abundant display white b...

Page 9: ...SICAM P30 P31 P32 3 phase Current Power Meter User Manual E50417 H8940 C561 Release Date 9 Technical Data 2 2 1 Technical Data 10 ...

Page 10: ...5 Hz Digital signal Binary output optional 2 electromagnetic relay output Normal Open Contact Contact capacity AC 250 V 3 A DC 30 V 3 A Binary input optional 4 dry contact inputs Opto coupler isolation 4 000 VRMS Communication RS 485 port optional Interface type Twisted Pair Half Duplex Transmission Communication rate 600 bps 38 400 bps Protocol Modbus RTU Environment Operating temp 25 60 Operatin...

Page 11: ...eter User Manual E50417 H8940 C561 Release Date 11 Functions 3 3 1 Measurement 12 3 2 Limit violation alarm 12 3 3 Display and Buttons 13 3 4 Communication 13 3 5 Permission and Security Management 13 3 6 Digital Input and Output Interface 14 ...

Page 12: ...select output relay for alarm signal Code of various detected data hexadecimal number for Modbus RTU When detected data is FF limit value group alarm function is disabled Threshold of detected data threshold judging whether detected value is out of limit different units for dif ferent types of data such as current A Judging condition 0 means alarm activated when exceeding limit 1 means alarm activ...

Page 13: ...nd modifying L2 and L4 passwords L4 password used for parameter setting and modifying L4 password not for 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 mode Steps for entering programming mode press and at the same time to enter PASS screen input correct password and press to enter SET...

Page 14: ...ry inputs interface based on passive dry contact Terminals are identified as DI1 DI2 DI3 DI4 and COM COM is the common terminal Figure 3 1 Circuit Diagram of Binary Input Interface Relay Output Interface This product is provided with two relay output interfaces for alarm indication or protection control output in many conditions Electric parameter of internal relay AC 250 V DC30 V 3 A Figure 3 2 C...

Page 15: ...SICAM P30 P31 P32 3 phase Current Power Meter User Manual E50417 H8940 C561 Release Date 15 Operation and Display 4 4 1 Full screen Display 16 4 2 Cyclic Display 16 4 3 Key Definition 17 ...

Page 16: ...Number of items to be defined with one byte 4 high bits are number of items in display area A while 4 low 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 only area A cyclic display item for this product Cyclic Display Data Cyclic display data in area A can be defined by user U...

Page 17: ...1 Switch between A multi line and B single line display areas 2 Return to previous menu No Display content 1st level Display content 2nd level 1 Current Extreme value 2 Neutral current Extreme value 3 CT ratio 4 Version number 5 Device ID 6 Error code Example 1 This screen shows current items At cyclic display mode press or to enter key display mode Press or again to switch to current items In the...

Page 18: ...mals part of ratio are not displayed Example 5 This screen shows display items of software version number At cyclic display mode press or to enter key display mode Press or again to switch to display items of software version number 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 6...

Page 19: ...essing immediately after Sure appears will cancel current alteration NO 1st level menu 2nd level menu Symbol Definition Symbol Definition Range Remarks 1 Communi cation setting Baud rate 600 38400 Default setting 2400 Parity 8E1 8o1 8n1 8n 2 Default setting 8E1 Modbus address 0 247 Default setting 0 Modbus sending delay 0 2999 Unit ms Default setting 10 DL T645 high 6 address 0 999999 Default sett...

Page 20: ...arameter setting with keys At any time press and simultaneously to enter PASS screen The first digit of displayed data means password level and the remaining 6 data make up the password press to change digits and to move cursor Press to confirm FAIL will appear if password level and password are wrong To re enter password press To quit and return to cyclic display state enter if specified error co...

Page 21: ...onfigurable 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 SURE screen appears after selecting or inputting parameter and pressing Press once again to activate new parameter Pressing at any time during parameter setting will cancel setting or return to...

Page 22: ...Operation and Display 4 3 Key Definition SICAM P30 P31 P32 3 phase Current Power Meter User Manual E50417 H8940 C561 Release Date 22 ...

Page 23: ...P30 P31 P32 3 phase Current Power Meter User Manual E50417 H8940 C561 Release Date 23 Installation and Wiring 5 5 1 Overall Dimension 24 5 2 Precautions of Installation 24 5 3 Terminals and Wiring Diagram 25 ...

Page 24: ...ted 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 w...

Page 25: ...als which 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 end Reserved Reserved Relay output 1 Relay output 2 V1 V2 V3 VN I11 I12 I21...

Page 26: ...ring diagram of main terminal 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 This product needs no connection to voltage terminals V1 V2 V3 and Vn Figure 5 3 Wiring Diagram of 3 phase P Q COM1 DI1 DI2 DI3 DI4 COM2 A B NC NC Reserved Reserved Reserved Binary input 1 Binary input 2 Binary input 3 Binary input 4 Common binary inp...

Page 27: ...Installation and Wiring 5 3 Terminals and Wiring Diagram SICAM P30 P31 P32 3 phase Current Power Meter User Manual E50417 H8940 C561 4 Release Date 06 2018 27 ...

Page 28: ...Installation and Wiring 5 3 Terminals and Wiring Diagram SICAM P30 P31 P32 3 phase Current Power Meter User Manual E50417 H8940 C561 4 Release Date 06 2018 28 ...

Page 29: ...SICAM P30 P31 P32 3 phase Current Power Meter User Manual E50417 H8940 C561 4 Release Date 06 2018 29 Communication 6 6 1 Use of Communication 30 6 2 Introduction of MODBUS RTU Communication Protocol 31 ...

Page 30: ...s 19 200 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 accordanc...

Page 31: ...cket 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 master E...

Page 32: ...ngth of data Low byte of CRC High 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 08 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...

Page 33: ...culating 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 i...

Page 34: ...default when CT 0 16 LBs of current conversion ratio 0005 H Clearingextreme value 0006 H unsigned int 2 bytes W Arbitrary value Parity bit 0020 H unsigned int 2 bytes R W 0 3 0 8E1 1 8o1 2 8n1 3 8n2 Parameter Address Data Type Length R W Data Range Remark Relay output 1 0100 H unsigned int 2 bytes R W 0 1 Write operation is valid when alarm control byte is 0 or 2 Relay output 2 0101 H unsigned int...

Page 35: ...3000 for pulse output BO2 Relay oper ation time 0109 H unsigned int 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 16 UBs of limit violation threshold 0111 H unsigned long 4 bytes R W Arbitrary value Threshold set val ue 100 16 LBs of limit violation thresho...

Page 36: ...ned int 2 bytes R W 0 999 See cyclic display code table of area A Number n screen of cyclic display item of screen A unsigned int 2 bytes R W 0 999 16th screen of cyclic display item of screen A 014F H unsigned int 2 bytes R W 0 999 Parameter Address Data Type Length R W Data Range Unit Phase A current 1008 H unsigned int 2 bytes R 0 65535 0 001 A Phase B current 1009 H unsigned int 2 bytes R 0 65...

Page 37: ...SICAM P30 P31 P32 3 phase Current Power Meter User Manual E50417 H8940 C561 4 Release Date 06 2018 37 Maintenance 7 7 1 Maintenance 38 ...

Page 38: ...vibration 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 orig inal package At most 5 layers are allowable for stacking The meter is inappropriate for storing after unpack ing The meter should be stored in clean location free of haza...

Page 39: ...SICAM P30 P31 P32 3 phase Current Power Meter User Manual E50417 H8940 C561 4 Release Date 06 2018 39 Ordering Number 8 8 1 Ordering Number 40 ...

Page 40: ...al E50417 H8940 C561 4 Release Date 06 2018 40 8 1 Ordering Number Model SICAM P 3 Function 3 phase current no communication port 0 3 phase current one RS485 port 1 3 phase current 4BI 2BO one RS485 port 2 Model Order No SICAM P30 7KG7331 1AA00 SICAM P31 7KG7331 1AA01 SICAM P32 7KG7331 1AA11 ...

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