The 16 channels photo isolator input board for pocket 16 DI provides photo isolator input functions, which allow the input signals to be completely floated and prevent the ground loop.
Feature of 16
Channels Photo Isolator input Board
The LED17 in terminal board shows the power on status. When it light ups, it indicates that there is a power applied on the board, otherwise, when not lit, there is no power provided.
The jumpers are
used to select isolated or non-isolated mode, when open the jumpers, it
sets to isolated mode, otherwise when shorting the jumpers, it sets to
non-isolated mode. JP1A and JP1b correspond to channel 0, JP2A and JP2B
correspond to channel 1, etc. Whet set to non-isolated mode, the IxL is
short to system ground. (where x is the channel number).Sample Program.
Pin Assignment of TB1 (Photo Isolator)
|Pin Assignment of T2 (Relay Output)|