32 Channel Isolated Digital Output Module with Photocouple isolation. Supports open collector sink-type output. The I-87041W includes 32 LED indicators that can be used to monitor the status of the Digital Output channels, and options are available for confi guring both power-on and safe values. 4 kV ESD protection and 3750 Vrms intra-module isolation is provided as standard. The I-87041W can be paired with a daughterboard, such as the DN-37-381-A for easy wiring, or the DN-8K32R for relay output.