DIN rail I/O Modbus slave with 8 outputs 24V 2A PNP

  • I/O interfacce – remotable on RS485 fieldbus
  • 8 digital outputs, 24V / 2A PNP optoisolated
  • RS485 serial port with high speed (1Mb/s max)
  • Modbus RTU protocol, configurable over RS485
  • Security timer for comunication supervisory
  • CoDeSys libraries for configuration and use
  • PC tool for configuring and testing modules
  • Compact dimension on 17.5mm of DIN rail
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CODE: 099-8102 Category: Modbus compact I/O modules


EX0008DD is a reduced version of EX1608DD, with same specification, but with only digital outputs port. Suitable for systems with only outputs or to add additional outputs to the EX1608DD complete module.

Technical Specification

Digital output 8
Voltage / Polarity 24Vdc / PNP
Max current 2A for channel (8A total)
Power supply 20 ÷ 30Vdc
Isolation / Vmax Optocoupled / 2000Vca
Protection Short / Over-voltage / Thermal
Fieldbus RS485 (fully compliant to TIA/EIA-485A)
Max nodes / Termin. 64 / insertable 120Ω load
Protection Thermal / ESD 15kV / EMI common mode filter (2.2kΩ @ 100Mhz)
Baudrate 300b/s ÷ 1Mb/s (continuosly prog.)
Protocol Modbus RTU, address 1 ÷ 247, parity None/Odd/Even
Function codes 1, 2, 3, 4, 5, 6, 15, 16, 17, 23, 100, 101, 102, 109, 110
Security timer 0 ÷ 600” (10ms step prog.)
Max performance Complete I/O update within 250μs (measured at 1Mb/s with OVERDIGIT master)
Power supply 24Vdc ±15% / 50mA max
Connections Plug-in connectors with screw terminals for 28÷12AWG / 2.5mm2 cables
Operative temp. -20°C to 70°C
Box ABS with 35mm DIN rail mount / IP20
Max dimensions 113 x 17.5 x 119 mm (H x W x D)


EX0008DD brochure
Local functions manual
Modules configuration manual
Modbus-Tool for configuration and test