ABB | DI801 3BSE020508R1 | S800 Digital Input Module

Product Description:

The DI801 Digital Input Module has 16 channels for 24 volt d.c. digital inputs. One input channel can be used for sensor voltage supervision. Each input channel provides current limiting, EMC protection, input state LED indicator and optical isolation from the ModuleBus.
The DI801 is a 16 channel 24 V digital input module for the S800 I/O. This module has 16 digital inputs. The input voltage range is 18 to 30 volt d.c. and the input current is 6 mA at 24 V. The inputs are in one isolated group with sixteen channels and channel number sixteen can be used for voltage supervision input in the group.
Every input channel consists of current limiting components, EMC protection components, input state indication LED and optical isolation barrier. Channel 16 can be used as voltage supervision input for channels 1-15. If the voltage connected to channel 16 disappears, the error inputs are activated. The error signal can be read from the ModuleBus. This supervision can be enabled/disabled with the “a” parameter. If the error inputs are disabled channel 16 can be used as normal input channels.

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