The digital outputs from the expansion card are true high, 24 volts sourcing. However, the digital outputs located at the drive X3 connector are true low, 24 volts sinking. A sample schematic is shown in the attached document.
Legacy KB System (APS) Data: RESL157164 V2.0, Originally authored by DaRo on 03/01/2012, Last Edited by MiOB on 03/01/2012
Related ranges: Lexium 17D