SEM is a compact and highly capable monitoring and control device for commercial, industrial and utility based energy management applications. It supports most of the common industrial communication protocols ( Modbus, IEC104, IEC62056 etc.) as well as those being used for IoT applications (REST, MQTT, CoAP etc.). Owing to its embedded click-on communication board, you can choose any type of media over GSM, Wi-fi, Ethernet, Zigbee or Lora. SEM’s power measurement feature provides monitoring of two three-phase circuits simultaneously with a sampling rate of 3.2kHz. Besides, it has an SD Card option up to 32GB to restore data even if there is a loss of communication. Its embedded and expandable digital inputs and outputs make it very easy to have more information from other communicable devices opening the door to a world of connectivity and control.
Standard (Quad Band GSM module 850/900/1800/1900 MHz)
Number of Connections
6
GSM Antenna
On Board SMA Connector
Ping Blocking
yes
Stop Bit and Parity Bit Adjustment
yes
Identification With Phone Number
yes
Dispatch of warnings and alarms from software as text message to administrators possible
yes
Identification With Phone Number
optional
Communication Specifications
Communication Protocols
Modbus-RTU (Slave), IEC60870-5-104, IEC62056-21
Serial Interfaces
RS-485, Micro USB C Type 2.0
Serial Communication Speed
1200bps – 115200bps
USB Data Transfer Speed
480 Mbit/s
Power Measurement Specifications
Voltage Measurement Range
0 – 275 VAC,RMS (L – N), 0 – 500 VAC,RMS (L – L)
Curren Measurement Range
1 – 4000 AAC,RMS (Split Type)
Frequency
50 / 60 Hz ±5%
Voltage Channels
3P + N (3 Phase Voltage and Neutral)
Current Channels
2 x 3P (Either 3 Phases or 6 Single Phases)
Sampling Frequency
128 Sample / Cycle
Voltage Accuracy
±0,5%
Current Accuracy
±0,5%
Active Energy Accuracy
IEC 62053-22 Class 0.5S
Accuracy Class
IEC 61000-4-30 Class S
Basic Measurements
V, I, f, P, Q, S / kWh, kVArh, kVAh (Four Quadrant) / PF, cos φ / THD-I, TDD-I, THD-U, THD-V / K-Factor / Ih(1-13) – Vh(1-13)
Detailed Measurements
Outage / Maximum Voltage, Current and Power Demand
Programmable Alarms
Under Voltage / Over Voltage / Low Current / High Current
Environment Conditions
Standards
IEC 61326-1, EN 301489-1, IEC 61010-1, EN 60950-1
Operating Temperature
-25°C / +70°C
Operating Humidty
25% – 95% RH
Protection Class
IP20
Mechanical Specifications
Device Dimensions (W x H x D)
35mm x 100mm x 115mm
Weight
190gr
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