

The 6ES7222-1BD22-0XA0 is a Siemens SIMATIC S7-200 EM 222 digital output module, engineered for reliable on/off control in distributed automation systems. As part of the proven S7-200 family, this expansion module adds 8 relay outputs to any compatible CPU, enabling direct switching of AC or DC loads up to 2A per channel. The relay contacts are rated for resistive loads (2A at 24V DC or 250V AC) and offer mechanical endurance exceeding 10 million operations. Each output is optically isolated from the backplane bus, preventing ground loops and protecting the CPU from field transients. The module draws 50 mA from the 5V DC bus and requires an external 24V DC supply for the relay coils. Status indicators on the front panel provide immediate visual feedback for each channel, simplifying troubleshooting. With its screw-type terminal block and DIN rail mounting, installation is straightforward in standard control cabinets. This module is ideal for applications requiring medium-current switching, such as motor starters, valve actuators, and alarm systems.
| Parameter | Specification |
|---|---|
| Product Type | Digital Output Module (EM 222) |
| Model Number | 6ES7222-1BD22-0XA0 |
| Number of Outputs | 8 (relay, normally open) |
| Output Type | Relay (mechanical contact) |
| Rated Supply Voltage (Load Side) | 24V DC (external, for relay coils) |
| Rated Supply Voltage (Bus Side) | 5V DC (from S7-200 CPU backplane) |
| Output Current per Channel | 2 A (resistive load at 24V DC or 250V AC) |
| Total Output Current (Module) | 8 A (sum of all channels, resistive) |
| Contact Voltage (Max) | 30V DC or 250V AC |
| Switching Frequency (Resistive Load) | 10 Hz (max) |
| Galvanic Isolation | Yes, 1500V AC between logic and field |
| Backplane Current Consumption (5V DC) | 50 mA |
| Power Dissipation (Typical) | 2.5 W (with all outputs on) |
| Operating Temperature | 0°C to +55°C (horizontal mounting) |
| Storage Temperature | -40°C to +70°C |
| Protection Class | IP20 (with enclosure) |
| Dimensions (W x H x D) | 71.2 mm x 80 mm x 62 mm |
| Weight | Approx. 160 g |
| Connection Type | Screw-type terminal block (removable) |
| Mounting Method | DIN rail (EN 50022) |
| Compatible CPUs | S7-200 AC/DC/Relay and DC/DC/DC models (all versions) |
| LED Indicators | 1 green LED per channel (output status) |
| Certifications | CE, UL, cUL, FM, ATEX (when used in hazardous areas) |
| Warranty | Standard 12 months (extended available) |

What Does Our Clients Say
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Laura Navas
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2019/12/01
Keyence sensor
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