6ES7422-5EH10-0AB0 Siemens SM 422 Digital Output Module

Siemens SM 422 – 6ES7422-5EH10-0AB0 Digital Output Module

• Brand & Series: Siemens SIMATIC S7-400 – a trusted name in automation technology.
• Exact Model: SM 422; DO 16 x DC 20-125 V/1.5 A (6ES7422-5EH10-0AB0) – the primary subject of this guide.
• Number of Channels: 16 isolated digital outputs for versatile field device connection.
• Rated Voltage Range: DC 20 V to 125 V, covering many industrial standard voltages.
• Continuous Output Current: 1.5 A per channel at 60 °C ambient temperature.
• Total Current Limit: 24 A across all channels simultaneously for system safety.
• Switching Times: Typical turn-on delay of 150 µs and turn-off delay of 300 µs.
• Galvanic Isolation: 1500 V AC between channels and the backplane bus for protection.
• Operating Temperature: 0 °C to 60 °C for reliable operation inside control cabinets.
• Storage Conditions: -40 °C to 85 °C and 5 % to 95 % humidity, non-condensing.
• Mechanical Resistance: Meets IEC 61131-2 shock and vibration standards for industry use.
• Protection Rating: IP20, suitable for installation in protected electrical rooms.

Frequently Asked Questions

• Q: Is this module brand new and original?
  A: Yes, we guarantee 100 % genuine Siemens SM 422 modules in factory-sealed packaging.
• Q: How fast can the outputs switch?
  A: The module supports a maximum switching frequency of 100 Hz for resistive loads.
• Q: Can I drive inductive loads directly?
  A: Yes, but we strongly advise using an external freewheeling diode for protection.
• Q: What is the typical power dissipation?
  A: It dissipates approximately 3.6 W under full load, ensuring efficient thermal management.
• Q: What are the warranty terms?
  A: We provide a 12-month warranty against any manufacturing defects.
• Q: Does this module fit older S7-400 racks?
  A: Yes, it is compatible with all S7-400 racks that have the standard U-bus connector.
• Q: How do I get technical support?
  A: Contact our support team via email or phone for prompt and professional assistance.

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