ABB DI810 3BSE008508R1 Digital Input Module
Description:
The DI810 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 divided into two individually isolated groups with eight channels and one voltage supervision input in each group. Every input channel consists of current limiting components, EMC protection components, input state indication LED and optical isolation barrier. The process voltage supervision input give channel error signals if the voltage disappears.The error signal can be read via the ModuleBus. The input channels can be digitally filtered. The different filter times that can be achieved are 2, 4, 8 and 16 ms. This means that noise pulses shorter than the filter time are filtered out, and pulses longer than 3, 6, 12 and 24 ms get through the filter.
Eight different types of MTUs can be used. The TU830/TU833 Extended MTU enables three wire connection to the devices without additional terminals. The TU810 (or TU814) Compact MTU has terminals for 24 V process voltage supervision inputs, but requires external terminals for distribution of 24 V power supply to the devices. The TU818 Compact MTU provides connection to 2-wire sensors without external marshaling. The TU838 extended MTU, provides a fuse (3 A max.) per two channels for process power out. The TU812 Compact MTU has a D-Sub 25 pin (male) connector for connection to the process. TU850 provides one disconnectable PTC fused sensor/transmitter power outlet terminal per channel.
Features:
16 channels for 24 V d.c. inputs with current sinking. 
Two isolated groups of 8 with voltage supervision. 
Input status indicators.