SEC 3100 AIM Analog Input Module from SEC


A non-SEC device with a conventional analog 4-20 mA output is wired to the SEC 3100 AIM. It receives a sourced 4-20 mA signal from the device, converts the analog signal into a digital signal compatible with the SEC 3100 transmitter. The SEC 3100 LIM is factory programmed with the following customer variables:

  • Device Name
  • Range
  • Unit of Measure
  • Calibration Value

The SEC 3100 visually displays the variables on the LCD the same as if the SEC 3100 had an SEC gas detector connected. A SEC 3100 transmitter reports the foreign status bidirectional to the SEC 3500 HMI Operator Interface via the MODBUS RS485 communication network. The SEC 3100 AIM can be installed in the SEC 3100 explosion proof transmitter housing using a taller window dome.

The SEC 3100 AIM accepts one device input. Examples of 4-20 mA devices that can be used with the SEC 3100 AIM are:

  • Open Path Gas Detectors
  • Fire detectors
  • Temperature Switch
  • Pressure Transmitters
  • Pyrolyzers


Operating Voltage 18-32 VDC
Operating Current (No Sensor) 50 mA @ 24 VDC
Output (Digital) SEC SSP, smart sensor protocol
Temperature Range -40° to +70°C
Humidity 0-99% rH
Input Impedance: 200Ω
Maximum applied voltage: 32 VDC
Device Variable Characters Device Name: 8
Range: 4
Unit of Measure: 4
Calibration Value: 4

Ordering Information

For pricing, please call AFC International at 1-800-952-3293, 219-987-6825 or fax 219-987-6826 or email


SEC3100 AIM Literature

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