Siemens 6ES7223-0BD30-0XB0 — 2-Channel Digital Input Module for S7-200
The Siemens 6ES7223-0BD30-0XB0 is a 2-channel digital input module for the S7-200 PLC family, rated 24 V DC with current-sinking inputs. It accepts 0 to 5 V for signal '0' and +15 to +30 V for signal '1', with a typical input current of 7 mA per channel. The module draws a maximum supply current of 4 mA per channel and dissipates 1 W typical. Switching times are 2 µs for 0→1 and 10 µs for 1→0, suitable for fast sensor feedback.
Approvals and Compliance
Carries cULus, CE, FM, UL, CSA, Marine, RCM (C-TICK), and KC approvals — ready for global panel builds and marine environments.
Mounting and Integration
Snaps onto the standard S7-200 DIN-rail bus connector. The 38 mm width fits a single slot; depth of 21 mm leaves clearance behind the panel door. Parameterizable inputs with diagnostics function and alarms.