CPU fit and features
The 6ES7317-2AK14-0AB0: 40 mm wide CPU for S7-300 rack. Supports LAD, FBD, STL, SCL, GRAPH, and HiGraph. RS 485 interface onboard; MPI not available. I2t rating of 1 A²·s noted in the spec sheet.
Panel mounting and integration
Dimensions 40 × 125 × 130 mm (W × H × D). Mounts on standard DIN rail. Depth of 130 mm fits common S7-300 enclosures; allow for cable bend radius at the front.
