

The 6ES7223-1BH22-0XA0 is a high-performance digital I/O expansion module from Siemens' SIMATIC S7-200 family, specifically the EM 223 series. This module is designed exclusively for S7-22X CPU systems, providing an additional 8 digital inputs and 8 digital outputs in a relay configuration. It offers a reliable and cost-effective solution for expanding I/O capacity in compact automation applications, such as packaging, material handling, and basic process control. The module's solid-state inputs accept 24V DC signals, while the relay outputs handle up to 2A per channel, making it suitable for driving small motors, solenoids, and indicator lights. With its direct mounting onto the S7-200 base unit and robust industrial design, the 6ES7223-1BH22-0XA0 ensures easy installation and long-term reliability in harsh environments.
| Parameter | Specification |
|---|---|
| Product Type | Digital I/O Expansion Module (EM 223) |
| Model Number | 6ES7223-1BH22-0XA0 |
| Number of Digital Inputs | 8 (24V DC, type 1 according to IEC 61131-2) |
| Input Voltage Range | 20.4V to 28.8V DC |
| Input Current (typical) | 4 mA per channel at 24V DC |
| Number of Digital Outputs | 8 (relay type, normally open) |
| Output Voltage Range | 5V to 30V DC / 5V to 250V AC |
| Output Current per Channel | 2 A (resistive load) |
| Total Output Current (per module) | 8 A (max, resistive load) |
| Switching Frequency (mechanical) | 10 Hz (max) |
| Isolation (Input to Logic) | 500V AC for 1 minute |
| Isolation (Output to Logic) | 1500V AC for 1 minute |
| Power Supply (via backplane bus) | 5V DC, 100 mA (typical) |
| Power Supply (external load) | 24V DC, 80 mA (typical, for relay coil) |
| Operating Temperature | -25°C to 55°C |
| Storage Temperature | -40°C to 70°C |
| Relative Humidity | 5% to 95% (non-condensing) |
| Dimensions (W x H x D) | 71.2 mm x 80 mm x 62 mm |
| Weight | Approx. 160 g |
| Compatibility | S7-22X CPUs (e.g., 221, 222, 224, 226) |
| Mounting | Direct plug-in to S7-200 base unit or DIN rail |
| Protection Class | IP20 |
| Certifications | CE, UL, cUL, FM, ATEX (depending on variant) |

What Does Our Clients Say
Mitsubishi MR-J4
Laura Navas
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2019/12/01
Keyence sensor
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2020/02/22