Siemens SICAM P38 Manual
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Siemens SICAM P38 Manual

Siemens SICAM P38 Manual

3-phase power meter with multi-tariff function
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SICAM P38 P39
3-phase Power Meter with
Multi-Tariff function
V1.30
Manual
E50417-H8940-C564-4
Preface
Content
Overview
Technical Data
Functions
Operation and Display
Installation and Wiring
Communication
Maintenance
Ordering Number
1
2
3
4
5
6
7
8

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Summary of Contents for Siemens SICAM P38

  • Page 1 Preface Content Overview SICAM P38 P39 Technical Data 3-phase Power Meter with Functions Multi-Tariff function Operation and Display V1.30 Installation and Wiring Communication Manual Maintenance Ordering Number E50417-H8940-C564-4...
  • Page 2 All other designations in this document can be trademarks Siemens AG reserves the right to revise this document from time to whose use by third parties for their own purposes can infringe the time.
  • Page 3 Additional Support Should further information on the System SICAM be desired or 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.
  • Page 4 • The limiting values stated in the document must not be exceeded. This must also be considered during testing and commissioning. ■ SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...

  • Page 5: Table Of Contents

    Information mapping table ............48 SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual...
  • Page 6 Ordering Number ..............70 SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual...

  • Page 7: Overview

    Overview Introduction Features SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...

  • Page 8: Introduction

    1.1 Introduction Introduction SICAM P38 & P39 3-phase Multi-function Power Meter integrate measurement, record, power metering, remote communication and control, large screen LCD and network communication functions. This meter can measure various parameters of power grid, such as voltage, current, power, power factor and frequency. It is...

  • Page 9: Technical Data

    Technical Data Technical Data SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...

  • Page 10: Technical Data

    Interface type: Twisted Pair, Half Duplex Transmission RS-485 port Communication rate: 600 bps ... 38,400 bps Protocol: Modbus-RTU Environment Operating temp. -25 ℃ ... +60 ℃ SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...
  • Page 11 Others Power consumption: ≤ 2 W, 4 VA Total dimension (mm): 96×96×95 Dimension Panel cut out size (mm): 92×92 IP53 Weight Approx. 450 g ■ SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...
  • Page 12 Technical Data 2.1 Technical Data SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...

  • Page 13: Functions

    Settlement Time Division Event Record Freezing Limit violation Alarm Display and Buttons 3.10 Communication 3.11 Permission and Security Management 3.12 Digital Input and Output Interface SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...

  • Page 14: Parameter Measurement

    • 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 SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...

  • Page 15: Power Metering

    • Fundamental active power and total harmonic active energy • Import and export active energy of each phase, combined reactive energy of each phase, fundamental active energy and harmonic active energy SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...

  • Page 16: Demand Measurement

    1: minute synchronization 0: clock syn- Bit 5 Demand synchronization mode chronization Bit 4 Extreme value settlement 1: daily 0: monthly Bit 3 Reserved Bit 2 Reserved SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...

  • Page 17: Settlement

    3. Electric energy and maximum demand data recorded by the meter include 6 tariffs, but time-shared data will not be recorded for each phase (A, B and C). SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...

  • Page 18: Event Record

    2. Daily freezing: The meter can save data of 8 latest daily freezing actions, including total active energy, total reactive energy, four-quadrant reactive energy and total active maximum demand. SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...

  • Page 19: Limit Violation Alarm

    Use MODBUS RTU protocol to set alarm parameter: set 0110 address to "07", 0111 to "0000", 0112 to "5DC0" (multiply "240" by 100 to generate "24,000" and convert it into "00005DC0"), 0113 to "00" and 0114 to "02". SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...

  • Page 20: Display And Buttons

    Error count of password and lock time can be set (available in factory state). 4. Broadcast timing is available only once each day and time for adjustment is no more than 5 min. SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...

  • Page 21: Digital Input And Output 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 terminal. Figure 3-2 Circuit Diagram of Binary Input Interface SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...
  • Page 22 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 ■ SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...

  • Page 23: Operation And Display

    Operation and Display Full-screen Display Cyclic Display Key Definition SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...

  • Page 24: Full-Screen Display

    Cyclic display data in areas A and B can be defined by user. User may develop cyclic display scheme previously through inquiring "Code list of optional settings in areas A and B". SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...
  • Page 25 867 ... 873 874 ... 880 881 ... 887 888 ... 894 current demand Phase C forward 895 ... 901 902 ... 908 909 ... 915 916 ... 922 current demand Frequency Data SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...

  • Page 26: Key Definition

    50 harmonic Power factor Fundamental current current Second harmonic voltage Phase angle to 50 ratio Second harmonic current PT and CT ratio to 50 ratio SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...
  • Page 27 Firmware version number, active constant, reactive constant, Modbus communication address, etc. Note Full screen, firmware version number is displayed in order when the meter is power on. SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...
  • Page 28 Press "▲" or "▼" to view phase A total export reactive energy from previous 1 settlement day to 3 settlement days. Press " " to return to previous display. SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...
  • Page 29 " to enter second level display. Press "▲" or "▼" to view phase C net reactive energy from previous 1 settlement day to 3 settlement days. Press " " to return to previous display. SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...
  • Page 30 " again to enter third level display. Press "▲" or "▼" to view maximum export reactive demand at each tariff. Press " " to return to previous display. SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...
  • Page 31 " to return to previous dis- play. Press " " again to return to area B and press "▲" or "▼" to switch to current time display. SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...
  • Page 32 " once after adjusting parameters with "▲" and "▼" to display "Sure", and press " " once again to alter parameters. Pressing " " immediately after "Sure" appears will cancel current alteration. SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...
  • Page 33 Ratio setting (Note 2) Current ratio 0 ... 9999 Combination 0 ... integer part 9999.9999 Current ratio Default setting: 1 0 ... 9999 decimal part SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...
  • Page 34 • L2 password-all parameters except for meter reset, clearing extreme value and PT/CT conversion ratio are configurable. Note The meter should be reset after altering PT/CT ratio to ensure reasonable correspondence between communication reading and displayed metering data. SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...
  • Page 35 " once again to activate new parameter. Pressing " " at any time during parameter setting will cancel setting or return to previous menu. ■ SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...
  • Page 36 Operation and Display 4.3 Key Definition SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...

  • Page 37: Installation And Wiring

    Installation and Wiring Total Dimension Precautions of Installation Terminals and Wiring Diagram SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...

  • Page 38: Total Dimension

    6. Requirement for electric connection: In voltage input circuit and operating power supply circuit, appropriate fuses (such as 0.5 A fuse) should be connected and a CT short-circuit box should be provided to prevent open circuit of CT wiring. SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...

  • Page 39: Terminals And Wiring Diagram

    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 SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...
  • Page 40 DC/AC input, with input voltage 40 V to 420 V. For 3-phase-3-wire connection, V and V should be con- nected together, see Figure 5-5. Figure 5-3 Wiring Diagram of 3-phase-4-wire (W/O PT) SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...
  • Page 41 Installation and Wiring 5.3 Terminals and Wiring Diagram Figure 5-4 Wiring Diagram of 3-phase-4-wire (With PT) Figure 5-5 Wiring Diagram of 3-phase-3-wire ■ SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...
  • Page 42 Installation and Wiring 5.3 Terminals and Wiring Diagram SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...

  • Page 43: Communication

    Communication Use of Communication Introduction of MODBUS-RTU Communication Protocol SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...

  • Page 44: Use Of Communication

    Ethernet parameters are configured by WEB mode. Open the IE browser, enter device IP address in the address bar (factory default 192.168.0.178), shown below login interface. Password is 88888. SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...

  • Page 45: Introduction Of Modbus-Rtu Communication Protocol

    For formation rule of check code, see Annex 1. SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...

  • Page 46: Function Of Application Layer

    10 H 00 H 03 H 00 H 02 H 04 H 00 H BC H 61 H 4E H Low check High check address - Response frame Device address 10 H 00 H 03 H 00 H 02 H Low check High check SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...

  • Page 47: Crc Method

    Repeat step 3 and step 4 until shift rightwards 8 times. Now, all 8-bit data are processed. • Repeat step 2 to step 5 to process next 8-bit data. • The CRC register derived finally is CRC. SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...

  • Page 48: Information Mapping Table

    0 or 1 High byte: binary input status (note) Binary inputs 0102 H unsigned int 2 bytes Low byte: binary output status SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...
  • Page 49 0123 H 0124 H ... Alarm 5 10 bytes See Alarm 1 0128 H 0129 H ... Alarm 6 10 bytes See Alarm 1 012D H SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...
  • Page 50 B item of screen B screen of cyclic display item 015F H unsigned int 2 bytes 0 ... 999 of screen B SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...
  • Page 51 1025 H unsigned int 2 bytes 0 ... 3600 Current Phase A current 1026 H unsigned int 2 bytes 0 ... 65535 0.001 A demand SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...
  • Page 52 2 bytes 0 ... 65535 0.001 A current Phase C 50 harmonic 1295 H unsigned int 2 bytes 0 ... 65535 0.001 A current SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...
  • Page 53 2 bytes 0 ... 10000 0.01% form distortion Phase C current wave- 1505 H unsigned int 2 bytes 0 ... 10000 0.01% form distortion SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...
  • Page 54 16 bits Average current higher 1816 H 16 bits unsigned 4 bytes 0 ... 99999999 0.0001 A long Average current lower 1817 H 16 bits SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...
  • Page 55 Total apparent power 1830 H higher 16 bits -99999999 ... signed long 4 bytes 0.1 VA 99999999 Total apparent power 1831 H lower 16 bits SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...
  • Page 56 2015 H bits T4 active power high16 2016 H bits unsigned 4 bytes 0 ... 4294967295 0.1 Wh long T4 active power low16 2017 H bits SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...
  • Page 57 Phase A reactive 2108 H power high 16 bits unsigned 4 bytes 0 ... 4294967295 0.1 varh long Phase A reactive 2109 H power low 16 bits SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...
  • Page 58 T4 reactive power 2122 H high16 bits unsigned 4 bytes 0 ... 4294967295 0.1 varh long T4 reactive power 2123 H low16 bits SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...
  • Page 59 Same as import unsigned int 2T6 demand 30C3 H active demand Import apparent 30C4 H ... Same as import unsigned int demand 30CA H active demand SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...
  • Page 60 Same as import Tn current demand unsigned int active demand 31B2 H ... Same as import T6 current demand unsigned int 31B8 H active demand SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...
  • Page 61 Same as Phase unsigned int power 4092 H A voltage Total apparent 4093 H ... Same as Phase unsigned int power 4099 H A voltage SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...
  • Page 62 Phase C apparent 418C H ... Same as Phase power 4192 H A voltage Total apparent 4193 H ... Same as Phase power 4199 H A voltage SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...
  • Page 63 2 event 0: close to open) Record of previous 5109 H ... Same as previ- unsigned int 2 events 5111 H ous 1 event SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...
  • Page 64 701B H signed int 2 bytes -32767 ... 32767 1 var power Total reactive power 701C H signed int 2 bytes -32767 ... 32767 1 var SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...
  • Page 65 Note X-0 means maximum value while X=1 means minimum value. This manual applies to software version for 150910 and later released by the device. ■ SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...
  • Page 66 Communication 6.2.4 Information mapping table SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...

  • Page 67: Maintenance

    Maintenance Maintenance SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...

  • Page 68: Maintenance

    The meter should be stored in clean location free of hazardous substances or gas which may cause corrosion in air. • In the operating environment of the meter, lightning protection should be provided. ■ SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...

  • Page 69: Ordering Number

    Ordering Number Ordering Number SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...

  • Page 70: Ordering Number

    Phase voltage, current, power, power factor, frequency, electric energy, pulse output, harmonic, demand, 4 Binary inputs, 2 Binary outputs, 1 RS485 port, 1 Ethernet port Model Ordering No. SICAM P38 7KG7331-1TA12 SICAM P39 7KG7331-1TA13 ■ SICAM P38 P39, 3-phase Power Meter with Multi-Tariff function, User Manual E50417-H8940-C564-4, Release Date 06.2018...

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