5SDD0760D0001 ABB Separate isolation element

The ac input voltage range is 164 to 264 V and the

input current is 11 mA at 230 V a.c. The d.c. input

voltage range is 175 to 275 volt and the input

current is 1.6 mA at 220 V d.c. The inputs are

individually isolated.

Every input channel consists of current limiting

components, EMC protection components, input

state indication LED, optical isolation barrier and

an analog filter (6 ms).

Channel 1 can be used as voltage supervision

input for channels 2 – 4, and channel 8 can be used

as voltage supervision input for channels 5 – 7.

If the voltage connected to channel 1 or 8 disappears, the error inputs are activated

and the Warning LED turns on. 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 1 and 8 can be used as normal input channels.

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 will be filtered out and pulses longer than 3, 6, 12 and 24 ms will get through

the filter.

Five different types of MTUs can be used. The TU831/TU851 Extended MTU,

TU811 Compact MTU, and TU813 Compact MTU provide two terminals per

channel.

The TU839 Extended MTU provides two terminals per channel and one terminal for

the outgoing sensor supply.

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