Sigmatek 12-008-163-O Digital Input Module CDM163

The Sigmatek 12-008-163-O CDM163 is a C-DIAS digital I/O module that provides 8 inputs and 8 outputs for Sigmatek C-DIAS controllers, packaged in a compact 120 x 120 x 30 mm enclosure and weighing about 0.25 kg. The 12-008-163-O variant is the version without status LEDs; other variants include 12-008-163 (with LEDs) and 12-008-163-T (painted). The module operates in 0 to +60°C and is rated IP20, with storage temperatures of -20 to +85°C and 0-95% relative humidity (non-condensing). It is UL-listed under E247993 for the 12-008-163 family, with the note that the 12-008-163-O version does not include LEDs. The CDM 163 is described as a C-DIAS digital conversion/mix module, used as a digital I/O interface for Sigmatek automation systems. This particular unit is listed as used/pre-owned.