The 6ES7223-1HF22-0XA0 is a high-performance digital input/output expansion module designed exclusively for Siemens S7-200 PLC series, engineered to elevate the flexibility and scalability of industrial automation systems. Equipped with 8 channels of 24V DC digital inputs and 8 channels of relay outputs, this module enables seamless connection and control of a wide range of field devices, including sensors, actuators, solenoid valves, and indicator lights.
Figure 1 shows the front panel of 6ES7223-1HF22-0XA0.


Table 1 shows the Quick Specs.
| Parameter | Specification |
|---|---|
| Product Model | 6ES7223-1HF22-0XA0 |
| I/O Type | Digital Input/Output |
| Input Channels | 8 x 24V DC |
| Output Channels | 8 x Relay (2A/230V AC, 2A/30V DC) |
| Compatibility | Siemens S7-200 PLC Series |
| Parameter Category | Parameter Name | Specification |
|---|---|---|
| General | Product Type | Digital I/O Expansion Module |
| Manufacturer | Siemens | |
| Series Compatibility | S7-200 PLC | |
| Digital Input | Number of Channels | 8 |
| Input Voltage | 24V DC | |
| Input Current | 7mA per channel | |
| Input Type | Sink/Source | |
| Response Time | ≤1.2ms (high-speed mode) | |
| Digital Output | Number of Channels | 8 |
| Output Type | Relay Contact | |
| Rated Load Voltage | 230V AC / 30V DC | |
| Rated Load Current | 2A per channel, 8A total | |
| Mechanical Life | ≥10⁶ operations | |
| Electrical Life | ≥10⁵ operations (at rated load) | |
| Electrical Ratings | Power Consumption | ≤2W |
| Isolation | 2500V AC (input/output to logic) | |
| Mechanical | Dimensions (W×H×D) | 40 x 80 x 62 mm |
| Mounting Type | DIN Rail Mount (35mm) | |
| Environmental | Operating Temperature | 0°C to +60°C |
| Storage Temperature | -25°C to +70°C | |
| Humidity | 5% to 95% RH (non-condensing) |

