Detailed Description:
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Relay Output: All 8 channels on the module are relay contact outputs (normally open contacts), each capable of independent switching. The relay contacts allow direct control of both alternating current (AC) and direct current (DC) loads, offering great flexibility in load types.
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Load Capacity: Each relay contact is rated for 2.0 A @ 230 V AC or 30 V DC, enabling direct driving of common industrial actuators without the need for additional intermediate relays.
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Diagnostic Functions: The module supports diagnostic functions, capable of detecting loss of load voltage (L+) and reporting fault information to the CPU when necessary.
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Electrical Isolation: There is complete electrical isolation between the relay coil side (controlled by the PLC) and the contact side (connected to the field load), providing excellent noise immunity and safety protection for the PLC system.
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Compact Design: The module has a width of 35 mm. It mounts directly to the right side of an S7-1200 CPU or other modules via an integrated U-type connector, enabling simple installation without additional wiring.
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Status Indication: Each output channel has an independent green LED indicator, clearly showing the output status (ON/OFF) of that point, facilitating on-site commissioning and troubleshooting.
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Typical Applications: Widely used in small automated machines, machine control panels, packaging machines, conveyor lines, and other applications requiring control of loads at various voltage levels.
Key Specifications:
| Parameter | Details |
|---|---|
| Model | 6ES7222-1BH32-0XB0 |
| Series | SIMATIC S7-1200 |
| Module Type | Digital Output (DO)， Relay |
| Number of Channels | 8 |
| Output Type | Relay Contacts (Normally Open) |
| Relay Contact Rating | 2.0 A @ 230 V AC or 30 V DC (per point) |
| Switching Frequency | Low (limited by mechanical life) |
| Diagnostics | Loss of load voltage (L+) |
| Isolation | Electrical isolation between relay coil and contacts |
| Width | 35 mm |
| Required Engineering Software | TIA Portal (STEP 7 Basic/Professional) |
