Installation manual

Sinking Load

For single ended operation, both terminals of the high speed input are available on J4 allowing the input

to be connected to either sinking or sourcing logic. The following shows the connections to drive the high-

speed input from sinking logic.

External

4 - 30 VDC

Power Supply

Sinking Logic Output

from Field Device

External Current Limiting

Resistor for supply > 5.0 V

J4-10

HSINP1+

J4-11

HSINP1-

Sourcing Load

The following shows the connections to drive the high speed input from sourcing logic. The power supply

can be the same power source used to provide power for the general purpose inputs.