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The RMS100, Class 1 Division 2 is ideal for monitoring assets in hazardous locations around the world.

The RMS100 combines local sensor, actuator and serial interfaces with a cost-effective satellite modem. Software controllable events, RS485 and discrete input/output lines make the RMS100 a highly flexible hardware component of M2Ms remote monitoring services.

Whether using standalone or with RTU/PLC, native Modbus support on the RMS100 provides a direct connection to common industrial automation equipment, for quick and easy installation. 

Features & Benefits

  • Class 1 Division 2, Groups A, B, C, D certified terminal meets industry standards for electronic equipment in Oil and Gas markets.
  • Modbus protocol interfaces directly with common SCADA devices such as RTU, PLC and flow meters to quickly and easily implement reporting and telemetry capabilities for remote equipment.
  • RS485 serial interface allows connection to SCADA devices over large distances to enable flexible deployment in a wide range of operating conditions.
  • Seamless global coverage based on the Inmarsat satellite constellation enables operational benefits in remote regions.
  • Expanded operating temperature range allows reliable deployment in some of the world’s most demanding environments.
  • Immediate reporting of digital status change (all data sent with report).
  • Discrete inputs enable monitoring of local devices not using Modbus.
  • Over-the-air programming enables M2M to remotely reconfiguration of parameters such as threshold levels or report frequency.


RMS100 Part No Power RS485 Digital Inputs Modbus Registers Comms
RMS100 300-01061 12 or 24 Vdc 1 2 8 IsatM2M


  • Size: 160mm (diameter) x 47 mm (height). Mounting kit adds 70mm to height
  • Mass: ~535 g


  • Operating Temperature: -40°C to +85°C
  • Storage Temperature: -40°C to +85°C
  • Humidity: 95% Relative Humidity at +30°C non-condensing
  • Dust & Water Ingress: IP67/NEMA-4X
  • Vibration: 5-20 Hz; 1.92 m2/s3 random noise. 20-500 Hz: -3dB octave random noise
  • Shock (survival): Half sine 6ms, 300 m/s2


  • Input Voltage: 9 VDC to 32 VDC
  • Power Consumption (Typical @ 12VDC)
  • Transmit mode: 10.5 W
  • Tracking mode (GPS on): 1.1W
  • Hibernate mode: 0.24mW
  • RS485 ESD: ± 15kV HBM
  • Mating Connector: Conxall Mini-Con-X® 6282-8SG-3DC


  • Frequency: Rx: 1525.0 to 1559.0 MHz & Tx: 1626.5 to 1660.5 MHz
  • EIRP: 9 dBW max
  • Elevation Angle: 0 to +90 degrees
  • GPS
  • Channels: 16 channels; 1575.42 MHz
  • Acquisition:
  • Cold-start: 34s
  • SuperSense®: -148 dBm
  • Accuracy: 3 m CEP; 5 m SEP


  • Satellite: Inmarsat D+/IsatM2M Type Approval
  • Regulatory:
  • ANSI/ISA-12.12.01-2007 (supersedes UL1604); CAN/CSA C22.2 No.142,213; UL916; UL50
  • FCC, RoHS, Anatel, IC pending
  • CE0 Mark (R&TTE)


  • Data Log: 320kB: Up to 17,200 positions


  • Serial:
    RS485: MODBUS RTU interface (8 Modbus RTU read coil/input status channels)
  • I/O:
    Qty (1) Digital input (reserved for run status)
    Qty (1) Digital (selectable as input or output; max sink 250mA)


  • Script Logic
  • 128 Actions; 64 Alarms; 64 Timers; 32 Data transformers
  • 2 programmable I/O lines – digital or analog
  • 128 Geofences (circular, rectangular, polygons)
  • Low Power modes
  • Modbus
  • Read/write up to 64 registers


  • From-Terminal: Up to 192 bytes
  • To-Terminal: 4 alert codes + up to 100 bytes

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