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GEM-25 modemRTU

GEM-25 modemRTU

GEM-25 modemRTU

Product catalog summary
Overview: The GEM-25 series is a versatile product designed for communication, control, and data logging in various industrial applications. It supports Ethernet, GPRS/3G, and RS-485 communication, and includes digital and analog I/O, relay outputs, and temperature sensor inputs.
Key Features:
  • Communication via Ethernet, GPRS/3G, and RS-485.
  • Digital and analog I/O, relay outputs, and RTD temperature sensor inputs.
  • 1 GB internal storage with 32 GB SD card compatibility for data logging.
  • Control via SMS and support for IEC62056-21 standard for electricity meter reading.
  • Reliable communication with VPN protocol and web user interface for configuration, monitoring, and control.
  • 128 alarm definitions and digital time switch functions for daily and weekly programming.
Specifications:
  • Power Input: 9-36V DC with optional battery charger.
  • Digital Inputs: ON voltage level 3.5V-36Vrms, OFF voltage level 1 VDC max.
  • Digital Outputs: Current rating 500 mA per channel, leakage current < 10 uA@ 24V.
  • Analog Inputs: Range 0-10V, 0-5V, 4-20mA, or 0-20mA with accuracy ±0.1% FSR @ 25°C.
  • Relay Outputs: Normally open, 5A, 250V.
  • Memory: 1 GB internal, up to 32 GB SD card.
  • Operating Temperature: -20/+70 °C, Storage Temperature: -40/+85 °C.
  • Standards: Complies with EN 55022, EN 55024, IEC 61000 series.
Application Areas: Suitable for base stations, industrial automation, power distribution, and oil & gas sectors.
Product Variants: The GEM-25 series includes models GEM-25B, GEM-25C, GEM-25D, and GEM-25F, each with varying configurations of inputs and outputs.
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Catalog excerpts

GEM-25 modemRTU-1

Communication - Control - Data Logging FEATURES Ethernet , GPRS/3G and RS-485 communication Digital -Analog I/O, Relay Output, Temperature Sensor Inputs (RTD) 1 GB internal storage and 32 GB SD card compatibility for data logging Digital output and relay output control via SMS Support IEC62056-21 Standard for Electricity Meter reading Auxilary supply with battery Reliable communication with VPN Protocol Web User Interface for; Configuration Monitoring Double Supply 128 alarm definitions Digital time switch functions for daily and weekly programming Relay Output Alarms for; Digital Analog I/O, RTD inputs, Modbus Register values Application Areas Communication Digital Time Switch Functions Base Stations Power Distribution Industrial Automation Data Logging

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GEM-25 modemRTU-2

GENERAL Power Input Battery Charger COMMUNICATION 9-36V DC Optional Modbus TCP slave, TCP/IP Modbus RTU slave,IEC 62056-21 Mod-C Modbus TCP slave,TCP/IP INTEGRATED INPUTS OUTPUTS Digital Inputs ON Voltage Level OFF Voltage Level Input Resistance DIGITAL OUTPUTS Current Rating Leakage Current ANALOG INPUTS Input Range Accuracy Input Impedance Sample period ANALOG OUTPUTS Outputs Range Load Resistance Update Time 500 mA per Channel < 10 uA@ 24V 0..10V,0…5V,4…20mA or 0..20 mA ±0.1% FSR @ 25°C ; ±0.3% FSR @ -20°C / +70°C 200KΩ Min. for Voltage Inputs\ 100Ω for Current Inputs 20 ms 0-10V,2-10V,-5/+5V,-10/+10V,0-20mA,4-20mA...

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