The SIEMENS SIMATIC S7-200 EM 223 digital I/O module, specifically the 6ES7223-1BL22-0XA0, is a high-density expansion unit engineered for reliable discrete signal control in compact automation systems. This module integrates 16 digital inputs and 16 digital outputs in a single housing, optimizing panel space and reducing wiring complexity. Ideal for applications such as conveyor monitoring, packaging machinery, and simple process control, it leverages the proven S7-200 platform with robust electrical isolation and fast response times. Each input is compatible with 24V DC sensors, while outputs are transistor-based for high-speed switching. The module is fully interchangeable with standard S7-200 CPUs and supports hot-swap configuration when powered down. Below are the complete technical specifications derived from the SIEMENS product library.
| Parameter |
Specification |
| Product Type |
Digital Input/Output Module |
| Model Number |
6ES7223-1BL22-0XA0 |
| Series |
SIMATIC S7-200 EM 223 |
| Number of Digital Inputs |
16 (24V DC, sink/source) |
| Number of Digital Outputs |
16 (24V DC, transistor, source type) |
| Input Voltage Range |
20.4V to 28.8V DC |
| Input Current per Channel (Typical) |
4 mA at 24V DC |
| Output Current per Channel (Max) |
0.75 A per output, 4 A per common |
| Output Type |
Solid-state (MOSFET), short-circuit protected |
| Isolation |
Optocoupler, 500V AC between I/O and logic |
| Response Time (Input) |
0.2 ms (typical), 0.5 ms (max) |
| Response Time (Output) |
0.1 ms (on), 0.2 ms (off) |
| Power Supply |
24V DC from backplane bus (CPU supplies) |
| Power Consumption (Bus) |
Typically 3.5 W |
| Operating Temperature |
0°C to 55°C (32°F to 131°F) |
| Storage Temperature |
-40°C to 70°C (-40°F to 158°F) |
| Relative Humidity |
5% to 95% non-condensing |
| Dimensions (W x H x D) |
71.2 mm x 80 mm x 62 mm (2.8 in x 3.15 in x 2.44 in) |
| Weight |
Approximately 0.22 kg (0.49 lbs) |
| Mounting |
Snap-on to DIN rail (standard S7-200 rail) |
| Connectors |
Removable screw terminals (2 x 20-pin) |
| LED Indicators |
Green per input/output channel for status |
| Protocol Support |
Proprietary S7-200 backplane (no fieldbus) |
| Certifications |
CE, UL, cUL, FM Class I Div 2 (depending on variant) |
| Order Code |
6ES7223-1BL22-0XA0 |
What Does Our Clients Say
Mitsubishi MR-J4
Laura Navas
Great product!
2019/12/01
Keyence sensor
EQDR SALES
Original and fast!
2020/02/22