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SICAM Power Quality and Measurement

SICAM Power Quality and Measurement
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SICAM Power Quality and Measurement Catalog ⋅ Edition 6 siemens.com/powerquality

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2 SICAM Power Quality and Measurement ⋅ Catalog ⋅ Edition 6.

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SIEMENS www.siemens.com/powerquality

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Power Meters SICAM P850 – Description Description SICAM P850 are multifunctional devices to capture, represent and transfer measured electrical quantities, such as alternating current, alternating voltage, power types, harmonics, etc. The measured quantities can be output via the communication interfaces to a PC and to the systems control, or be shown on an optional display. SICAM P850 is a flush-mounting switch panel with a graphic display for the representation of measured values and for parameterization. SICAM P850 is also available as a DIN-rail device without a display. Communication...

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Power Meters SICAM P850 – Description Figure 3.1/2 Application Example Hardware Design Depending on the device variant, the following electrical components are contained: • Digital signal processor (DSP) • Display and front buttons • 4 inputs for alternating voltage measurements • 3 inputs for AC current measurements • 2 binary outputs • Power supply • Ethernet interface • RS485 interface (according to order variant) • 2-GB primary storage Measurands The following measurands are captured or calculated by the device from the measured quantities: • True RMS alternating voltage and alternating...

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Power Meters SICAM P850 – Description time base and permits time stamping of the process data. The following time synchronization methods are possible: • Time synchronization via Ethernet NTP (preferred) The device is equipped with an SNTP client (Simple Network Time Protocol) that can be connected to 2 NTP servers (Network Time Protocol) for external time synchronization. These are the primary and the secondary (redundant) NTP server. • External time synchronization via Fieldbus with communication protocol Modbus RTU or IEC 60870-5-103 • Real Time Clock (RTC) If external time...

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Power Meters SICAM P850 – Description Figure 3.1/6 Visualization of Operational Indications SICAM ⋅ Power Quality and Measurement ⋅ Katalog ⋅ Edition 6

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Operating/Instantaneous Measured Values (10/12 Periods) Sine Recording 76 SICAM ■ Power Quality and Measurement ■ Katalog ■ Edition 6.0

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Operating/Instantaneous Measured Values (10/12 Periods) Modbus TCP, Modbus RTU, IEC 60870-5-103, IEC 61850, HTML and Display Measured-Value Recorder (30 s, Sine Recording 60 s, 10 min, 15 min, 30 min, 1 h, 2 h) IEC 61850 (COMTRADE File Transfer) and HTML COMTRADE HTML CSV Download and Download for COMTRADE Viewer Modbus TCP Protocol or SIGRA Visualization Values Values Values Apparent energy Detailed information about data availability and measurands can be found in the SICAM 85x, 7KG85xx device manual. Table 3.1/1 Data Availability of the Operational Measured Quantities 1) (1) Data...

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SICAM Power Quality and Measurement - 10

Power Meters SICAM P850 – Connection Types and Examples Connection Types And Examples Special operating conditions need not be taken into account when used in the IT, TT and TN systems. Connection Types Possible connection types: • 1-phase system • 3-wire network with same (symmetrical) load • 3-wire network with any (asymmetrical) load (2 current inputs) • 3-wire network with any (asymmetrical) load (3 current inputs) • 4-wire network with same (symmetrical) load • 4-wire network with any (asymmetrical) load 3.1 [Appl 3 wire, no vt, 2 ct, 1, en_US] Figure 3.1/10 Connection Example 3-Wire...

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Power Meters SICAM P850 – Connection Types and Examples Figure 3.1/13 Connection Example 3-Wire Network, 1 Voltage and 1 Current Transformer, Any Load [Appl 4 wire, no vt, 1, en_US] Figure 3.1/14 Connection Example 4-Wire Network, No Voltage Transformer and 3 Current Transformers, Any Load [Appl 4 wire, 3 vt, 3 ct, 1, en_US] Figure 3.1/15 Connection Example 4-Wire Network, 3 Voltage and 3 Current Transformers, Any Load SICAM ⋅ Power Quality and Measurement ⋅ Katalog ⋅ Edition 6

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Supply Voltage Direct Voltage Inputs for AC Current Measurements (Terminal Block E) Rated input voltage Alternating Voltage Rated input voltage Binary Outputs (Terminal Block G) Rated Input Alternating Voltages Table 3.1/2 Inputs for Alternating Voltage Measurements (Terminal Block F) Maximum contact voltage Communication Interfaces Ethernet, electrical 80 SICAM ■ Power Quality and Measurement ■ Katalog ■ Edition 6.0

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SICAM Power Quality and Measurement - 13

Serial Interface (Connection J), Optional SICAM ■ Power Quality and Measurement ■ Katalog ■ Edition 6.0 81

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Power Meters SICAM P850 – Technical Data Dimensions Mass Device without display: approx. 0.49 kg Device with display, without door: approx. 0.52 kg Device with display and door: approx. 0.6 kg Figure 3.1/17 Dimensional Drawing of the SICAM P850/P855 with Display Figure 3.1/16 Dimensional Drawing of the SICAM P850/P855, DIN-Rail Device 82 SICAM ⋅ Power Quality and Measurement ⋅ Katalog ⋅ Editio

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Power Meters SICAM P850 – Technical Data Figure 3.1/19 Cutout In the Control Panel Figure 3.1/18 Dimensional Drawing of the SICAM P850/P855 with Display and Cover SICAM ⋅ Power Quality and Measurement ⋅ Katalog ⋅ Edition

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SICAM Power Quality and Measurement - 16

Table 3.1/3 Selection and Ordering Data 84 SICAM ■ Power Quality and Measurement ■ Katalog ■ Edition 6.0

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Description SICAM MMU (Measurement and Monitoring Unit) is a power monitoring device that measures electrical quantities in power supply system. SICAM MMU is used in industrial plants, power plants and substations to measure and calculate parameters (for example current, voltage, power, phase angle, harmonics, energy, or frequency) and forward these measured values to network control systems (SCADA, DMS, EMS etc.) via IEC 60870-5-104 or to automation systems via Modbus where they can be further processed and visualized. Device type Benefits • Compact and rugged design • Over 100 measured or...

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