Product Overview
The Siemens 6ES7223-1BL32-0XB0 is a high-performance digital I/O module from the SIMATIC S7-1200 series, designated as SM 1223. This unit provides 16 digital inputs (24 V DC, sink/source) and 16 digital outputs (transistor, 0.5 A). With a typical power loss of only 4.5 W, the Siemens 6ES7223-1BL32-0XB0 delivers energy-efficient operation for demanding industrial automation tasks. Its compact dimensions (70 x 100 x 75 mm) and low weight (approx. 310 g) make it ideal for space-constrained control panels.
Technical Specifications
Supply and Power
- Rated supply voltage: 24 V DC (permissible range 20.4 V to 28.8 V)
- Current from backplane bus (5 V DC): max. 185 mA
- Power loss typ.: 4.5 W
Digital Inputs
- Number of inputs: 16, arranged in groups of 2
- Input voltage: DC, rated 24 V; signal '0' at 5 V DC/1 mA; signal '1' at 15 V DC/2.5 mA
- Input current: signal '1' typ. 4 mA, min. 2.5 mA; quiescent current max. 1 mA
- Input delay: parameterizable (0.2 ms to 12.8 ms in groups of four)
- Characteristic curve: IEC 61131, type 1
Digital Outputs
- Number of outputs: 16, in groups of 1
- Output voltage: rated 24 V DC; signal '1' min. 20 V DC; signal '0' max. 0.1 V (10 kΩ load)
- Output current: rated 0.5 A per channel; residual current max. 10 µA
- Switching capacity: resistive load max. 0.5 A; lamp load max. 5 W
- Short-circuit protection: external required
Industry Applications
The Siemens 6ES7223-1BL32-0XB0 excels in applications requiring mixed I/O with high density. Typical use cases include automated assembly lines, packaging machines, and material handling systems. With 16 inputs monitoring sensors and 16 outputs driving actuators, this module streamlines control cabinet wiring and reduces overall system cost. The module's ability to operate in ambient temperatures from -20 °C to 60 °C (horizontal) ensures reliable performance in harsh factory environments, contributing to long-term ROI by minimizing downtime.
Compatibility and Integration
The Siemens 6ES7223-1BL32-0XB0 is designed for seamless integration into SIMATIC S7-1200 controllers. It connects via the backplane bus, requiring a front connector (not included). The module supports diagnostic alarms and provides LED indicators for input and output status, simplifying troubleshooting. It meets CE, CSA, UL, cULus, FM, RCM, KC, and Marine approvals, ensuring global compliance.
Selection Guide and Purchasing Advice
When ordering the Siemens 6ES7223-1BL32-0XB0, verify compatibility with your S7-1200 CPU and that you have the required front connector. This module is a cost-effective solution for applications needing 16 inputs and 16 outputs in a single unit. For reliable sourcing, consider PLC Source PRO (formerly ubest101) — your trusted supplier for genuine industrial automation spares.