The 6ES7222-1HD22-0XA0 is a digital output expansion module from Siemens’ SIMATIC S7-200 series, specifically part of the EM 222 family. It is designed to expand the output capacity of S7-200 CPUs (e.g., CPU 221, 222, 224), enabling control of additional industrial actuators in small-scale automation systems.
Key Features & Specifications:
- Channel Configuration: Equipped with 8 digital output channels, providing additional capacity to control devices such as contactors, solenoids, relays, or indicator lights.
- Output Type: Uses relay outputs, which support both AC and DC loads—offering flexibility for diverse industrial applications:
- AC load compatibility: Up to 250 V AC.
- DC load compatibility: Up to 30 V DC.
- Maximum current per output: Typically 2 A (with derating for continuous operation), suitable for driving small to medium-sized actuators.
- Isolation: Incorporates channel-to-channel isolation (typically 250 V AC) to protect the module and connected CPU from electrical noise, voltage spikes, or cross-talk between channels—critical for reliable operation in industrial environments.
- Status Indicators: Individual LEDs for each output channel (indicating “Output Active”) and a module-level power LED, providing clear visual feedback for troubleshooting and operational checks.
Integration & Compatibility:
- Expansion Capability: Connects directly to S7-200 CPUs via the integrated expansion bus, supporting daisy-chain expansion of up to 7 modules per CPU (depending on the CPU model). This allows scalable output capacity as application needs grow.
- Power Supply: Derives power from the connected S7-200 CPU or an external 24 V DC supply, simplifying wiring in control cabinets.
- Programming: Configured through Siemens’ STEP 7-Micro/WIN software, which integrates seamlessly with the S7-200 CPU’s logic to control the expanded outputs.
- Mounting: Designed for DIN rail mounting, fitting compactly into control cabinets alongside other S7-200 components.
Industrial Durability:
- Operates reliably in typical industrial conditions, with an operating temperature range of 0°C to 55°C.
- Complies with international standards (e.g., CE) for electromagnetic compatibility (EMC) and mechanical robustness, ensuring stability in factory floors, machinery enclosures, or small production cells.
Applications:
Ideal for expanding output control in small-scale automation scenarios, such as:
- Controlling additional actuators in packaging machines, conveyors, or material handling systems.
- Operating relays, solenoid valves, or indicator lights in standalone equipment.
- Scaling output capacity in retrofitted systems where the base CPU’s built-in outputs are insufficient.
This module provides a cost-effective, flexible solution for extending the digital output capabilities of S7-200 systems, ensuring reliable control of diverse industrial devices.
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