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SENECA | AUTOMATION INTERFACES
S203 Series Energy Power Meters

S203 Series Energy Power Meters

Product catalog summary

Overview: The S203 Line of power meters by SENECA offers advanced functionalities for energy metering, including ModBUS interface, configurable analog output, and bi-directional energy metering. These meters are designed for both single and three-phase systems and support various connection types such as CT, VT, and Rogowski sensors.

Specifications: The S203 line supports voltage inputs up to 600 Vac and current inputs ranging from 100 mA to 4,000 A, depending on the model. The meters measure key electrical parameters such as RMS voltage, RMS current, active power, reactive power, apparent power, frequency, power factor, and energy. They feature a precision class between 0.2% and 0.5% and offer isolation up to 4,000 Vac.

Communication and Configuration: All models support ModBUS RTU protocol with a maximum of 32 nodes and a baud rate of 115,200 bps. Configuration is facilitated through the EASY SETUP software, accessible via a USB port. Models with displays can also be configured via a keypad protected by a password.

Display and Connections: The S203 line includes models with a high-brightness backlit LCD display. They can be connected to commercial CTs with a secondary max of 5A, current transformers with full scale from 15 to 100 A, and Rogowski sensors up to 4,000 A.

Technical Specifications: The power meters operate on a power supply of 10-40 Vdc or 19-28 Vac, with a power consumption of 2.5 W. They feature a band-pass of 7 kHz and a retransmission error of 0.1%. The meters are mounted on a 35 mm DIN rail and have a protection degree of IP20.

Special Features: Models S203TA-D and S203RC-D include features such as double MODBUS registers for energy, average power calculation, and a backlit display. They also offer diagnostics on display and support for VT.

Standards and Approvals: The S203 line complies with standards EN 61000-6-4, EN 61000-6-2, EN 61010-1, and EN 60742, and is CE approved.

Application Notes: The meters are suitable for use with external current transformers and Rogowski sensors, which require proper orientation and calibration for accurate measurements.

Catalog excerpts

POWER METERS ModBUS Interface Configurable analog output Bi-Directional energy metering Pulse output for energy Programming through USB port & keypad

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S203 Line POWER METERS WITH ADVANCED FUNCTIONS VOLTAGE INPUT The analyzer of S203 line support voltage input with max load up to 600 Vac (50- 60 Hz). CURRENT VOLTAGE MEASURED VALUES ENERGY COUNTER The analyzers of S203 line provide single or three phase value of the main electrical measures: RMS voltage, RMS current, active power, reactive power, apparent power, frequency, power factor, energy (bi-directional). Configurable analog output allows to use the analyzer as measure converter. S203TA-D and S203RC-D have pulse digital output and retentive memory for the energy counter. CONFIGURATION All...

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3-phase power meter, up to 100 mA current input 3-phase power meter, up to 5 A current input 3-phase power meter, with display, up to 600Vac voltage input and 5 A current range 3-phase power meter, with display and input from Rogowski sensors Order Code TECHNICAL SPECIFICATIONS Software EASY SETUP (all the parameters), or keypad Software EASY SETUP (all the parameters), or keypad EASY SETUP Plug&Play configuration software SPECIAL FEATURES S203TA-D, S203RC-D • Double MODBUS registers produced/consumed energy • Average power calculation • Backlighted display • Frontal mini-USB Programming port...

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SENECA SENECA 3-phase input to use with Rogowski sensors 3-phase input to use with external current transformers Rogowski sensor (RC-V250-100, RC-V400-100 e RC-V500-100, RCV400-050)are shielded rings designed for measurements of AC waveforms, pulse DC or complex. For their proper use is necessary to wrap the ring on the wire so that the current direction in the ring is oriented in the same direction of the conductor current . For a proper fit, the cable conductor should be placed in a central position to the ring. To get a more precise measurement, it is necessary to calibrate the Rogowski sensor...

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S203 Series Energy Power Meters

S203 Series Energy Power Meters

Catalog excerpts

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