Allen-Bradley 174SC-NO8V Analog Output Module

The Allen-Bradley 174SC-NO8V is an eight-channel analog voltage output module designed for SLC 500 controllers. Each of its eight channels provides a voltage output with a full‑scale range of ±10.25 V DC and a 16‑bit DAC resolution (code range ±32,767), enabling precise, multi‑channel voltage control from a single module. Channel updates are efficient, with typical full‑module update times around 5 ms (Class 1) and about 10 ms (Class 3) for all eight channels. The module draws backplane power from the chassis—approximately 120 mA at 5 V and 160 mA at 24 V, totaling about 5.6 W of backplane power—while delivering up to 10 mA per channel into loads of 1 kΩ or greater. As part of the SLC 500 analog I/O family, the 174SC-NO8V consolidates eight voltage outputs in a single module, suitable for applications requiring multiple synchronized analog voltage commands across channels without external wiring for each channel. It is configured and monitored within the SLC 500 backplane environment, leveraging the system’s rack, slot, and addressing scheme to assign each channel independently while maintaining consistent, single‑unit communication across the module.