Connecting the PCIe-6509 to a Relay

Use the examples in the following table to understand how to connect the PCIe-6509 to a relay with no more than 24 mA, a relay with more than 24 mA, and a solid-state relay (SSR).

Relay Sinking Sourcing
Relay ≤ 24 mA
1378


1378

Relay >24 mA
1378


1378

SSR
1378