EIM...M Digital

BACnet Field Control Device

Analog I/O Expansion Module

EIM..M series of analog I/O expansion module is a remote control unit follows the format of MODBUS RTU communication rule, the main purposes is increase I/O points for AIRTEK DDC.


EIM..M series of digital I/O expansion modules are designed as expansion modules for the Airtek range of controllers, the controllers must have an EIMnet port. EIM..M modules use a 32-bit microprocessor; transmission rates are selectable up to 38,400 bps. The binary and pulse inputs have 5,000Vrms optical isolation (noise filter), binary inputs accept dry contact or open collector type signal, pulse inputs accept up to 100HZ per sec signal.

The binary outputs have 7A/250VAC/SPST dry relay contacts. The physical points of EIM can be converted directly into the controller as BI & BO points. The advantages of using EIM..M modules is that they can be mounted in close proximity to the device being controlled this reduces cabling runs and allows the service technician to carry out diagnostics local to the device being monitored and/or controlled.


  • Expansion modules work with any AIRTEK controller that has an EIMnet port.
  • Binary Input (BI) and Pulse Input (PI) has 5,000Vrms are optical isolated and have a status indicator.
  • Binary Ouput (BO) have 5,000Vrms optical isolation, status indicators and manual ON/OFF/AUTO sections select switch.
  • 8 MAC Address DIP switches for address 0~127.
  • Flexibility to configure the number of points to save on installation costs.
  • Slide track design for space-saving and easy installation.
  • Plug-in terminal blocks and LED Indicators of communication and status are convenient for system debugging.

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