Brainchild IO-16DI Module

  • 16 Digital Inputs
  • DIN Rail Mounting Clip
  • Modbus RS485 Port
  • Simple setup and easy handing
  • Communicate with a datalogger, PLC or HMI via Modbus RTU protocol
  • LED for each module IO status, communication and power supply
  • Removable screw terminal connectors



The IO-16DI Digital Input Module by Brainchild with RS485 interface that provides 16 isolated digital inputs. For use with HMI, PLC or SCADA via Modbus RTU protocol.

Each channel has a connection terminals and an LED status indicator channel. Uses the Brainchild PC software IO Studio to configure communication with the module. The module housing is plastic with DIN rail mounting.


  • Digital inputs: 16
  • Number of counters: 16
  • Isolation of entries: 1500 Vrms
  • Counter resolution: 32 bit
  • Frequency meter: 1 kHz
  • Width of each pulse: minimum of 500 ms
  • Counter mode: up and down
  • Digital input level 0: +0 VDC +6.5 VDC
  • Level 1 Digital input: +12 VDC to +24 VDC
  • Input Impedance: 2200 Ohms
  • Input filter: 6553 s maximum
  • LED status indicator for each channel
  • Power supply (not included): +12 VDC to +24 VDC
  • Watchdog timer
  • Watchdog time adjustable from 1 to 255 s
  • Mounted in plastic housing easily portable and compatible with the system DIN-rail mounting
  • Provides automatic connection to terminal block power and data
  • Communication interface supports 2-wire protocol RS485 allows up to 128 connected to the same RS485 network
  • Baud rate: up to 115200 bps
  • Designed for use with HMI, PLC, SCADA and compatible with Modbus RTU protocol
  • Modbus address setting by dip-switch (allows Mobbus 127 addresses)
  • Module Size: 23 x 109 x 98 mm
  • Weight: 105 g