I/O Systems - S800 I/ODO828

The DO828 is an 16 channel 125V d.c. / 250V a.c. relay output module for the S800 I/O. The maximum output voltage is 125V d.c. / 250V a.c. and the maximum continuous output current is 2A. All outputs are individually isolated.

Each output channel consists of optical isolation barrier, output state indication LED, relay driver, relay and EMC protection components.

The relay supply voltage supervision, derived from the 12 V distributed on the ModuleBus, gives an error signal if the voltage disappears, and the Warning LED turns on. The error signal can be read through the ModuleBus. This supervision can be enabled/disabled with a parameter. 

Features and benefits

  • 16 channels for 125V d.c. / 250V a.c. relay outputs
  • 16 isolated channels
  • Output status indicators
  • OSP sets outputs to predetermined state uponerror detection

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