Seneca S Series Installation Manual
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Seneca S Series Installation Manual

Advanced three-phase networkanalyzer with display for rogowski's sensors
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SENECA
S
EN
EN
Advanced Three-phase Network Analyzer
Installation
Installation
Installation
Installation
Manual
Manual
Manual
Manual
Contents:
Contents:
- General Specifications
- General specifications
- Technical Specifications
- Technical features
- Installation Rules
- Functioning
- Electrical connections
- Rogowski's coil
- Modbus connection rules
- Electrical quantities
- DIP-switches settings
- Electrical connections
- Digital inputs
- LEDs signallings
- Leds Signallings
- Serial interface
- Factory Settings
- Case and screw terminal numbers
- Front panel
- Display programming
SENECA s.r.l.
Via Austria, 26 – 35127 – PADOVA – ITALY
Tel. +39.049.8705355 - 8705359 - Fax +39.049.8706287
For manuals and configuration software, please see www.seneca.it
This document is property of SENECA srl. Duplication and reprodution are forbidden, if not
Contents of the present documentation refers to products and technologies described in it. All technical data
contained in the document may be modified without prior notice Content of this documentation is subject to
periodical revision.
Serie S - Analizzatori di rete
with display for Rogowski's sensors
S203RC-D
S203RC-D
MI003074-E
authorized.
ENGLISH 1/8

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Summary of Contents for Seneca S Series

  • Page 1 Tel. +39.049.8705355 - 8705359 - Fax +39.049.8706287 For manuals and configuration software, please see www.seneca.it This document is property of SENECA srl. Duplication and reprodution are forbidden, if not authorized. Contents of the present documentation refers to products and technologies described in it. All technical data contained in the document may be modified without prior notice Content of this documentation is subject to periodical revision.

  • Page 2: General Specifications

    • 100 mV correspond to 1000 A @ 50 Hz (sinusoidal) features, supplied by • 120 mV correspond to 1000 A @ 60 Hz (sinusoidal) Seneca and calibrated Max measurable current: 100 kA @ 50/60 Hz (accessory Internal resistance: 30 Ohm / 400 mm RC-V400-100) Accuracy after calibration: ±...
  • Page 3 Analog Output Voltage Output Min. load resistance 0..10 Vdc, 0..5 Vdc, : 2 k Max load resistance Current Output 0..20 mA, 4..20 mA, : 500  Transmission error max range 0,1 % ( 10%..90% Response time 2 s ( Thermal stability 100 ppm / K Other Specifications Voltage...

  • Page 4: Operating Logic

    OPERATING LOGIC The module measures the following electrical quantities: Vrms, Irms, Watt, VAR, VA, Frequency, Cos and Active Energy, and provides the values in the corresponding MODBUS registers. In three-phase environments, measurements given above corresponding to any phase are available, other than the three-phase value (except the frequency). These measurements are rendered in both floating point and normalized format (except Frequency and Active energy) between 0..+10000 (-10000 ..+10000 for VAR e Cos).
  • Page 5 - For an more accurate measurement, place the cable conductor in a central position with reference to the ring - For a correct measurement, calibrate the Rogowski’s coil: write the calibration coefficient to the corresponding Modbus register (refer to the user manual) or set it using the menu on the display (see display programming manual).

  • Page 6: Electric Connections

    ELECTRIC CONNECTIONS RS 485 POWER SUPPLY There is no insulation between 11 ÷ 40 VDC RS485 and the 19 ÷ 28 VAC analog output 2.5 W + - + - + - SINGLEPHASE Phase Neutral Rogowski’s coil + - + - + - ARON Three-Phase without Neutral...

  • Page 7: Analog Output

    RS485 comm. port (RED) SERIAL INTERFACE For detailed information on RS485 serial interface, consult the documentation provided by the website www.seneca.it, in the section Prodotti/Serie Z-PC/MODBUS TUTORIAL. Segnalazione tramite LED Segnalazione tramite LED Programming The communication parameters have the following default values:: baudrate=38400, no parity, bit number=8, bit stop=1.

  • Page 8: Front Panel

    36 35 34 33 32 31 30 29 28 26 25 22 21 20 19 For communication debugging, remove the terminals cover to see the internal LEDs. S SENECA S203RC-D 10 11 12 13 14 15 16 17 18 FRONT PANEL S203RC-D A)MEASURE CONFIG MENÙ...

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