SIMATIC S7-400 Digital Output Module 6ES7422-1FH00-0AA0: High-Power AC Switching

This digital output module comes from the Siemens SIMATIC S7-400 series. The 6ES7422-1FH00-0AA0 provides sixteen isolated channels for demanding industrial applications. It handles high AC load voltages up to 230V with a robust 2A current per output. The module offers reliable control for actuators, contactors, and motor starters, including up to NEMA Size 5.

Core Technical Specifications

• Brand & Model: Siemens 6ES7422-1FH00-0AA0.
• Output Configuration: 16 Digital Outputs, electrically isolated.
• Load Voltage: 120/230V AC, with a wide operating range from 79V to 264V AC.
• Output Current: 2A rated current per channel, with a maximum surge current of 50A per cycle.
• Switching Capacity: Suitable for lamp loads up to 50W maximum.
• Short-Circuit Protection: Yes, with an internal 8A, 250V fast-acting fuse per group.
• Power Consumption: Typical power loss is 16W; draws max. 400mA from the 5V backplane bus.

Performance & Electrical Characteristics

• Switching Frequency: Up to 10 Hz for resistive loads, and 0.5 Hz for inductive loads.
• Output Delay: Turn ON delay (0 to 1) is max. 1ms; Turn OFF delay (1 to 0) is max. 1 AC cycle.
• Total Current per Group: Max. 4A (6A with fan) at 40°C for every four adjacent outputs.
• Isolation: 1500V AC isolation tested between channels and the backplane bus.
• Frequency Range: Operates with AC supply frequencies from 47 Hz to 63 Hz.

Installation & Environmental Data

• Dimensions: 25mm (Width) x 290mm (Height) x 210mm (Depth).
• Weight: Approximately 800 grams.
• Cable Length: Supports up to 1000m shielded or 600m unshielded cable.
• Diagnostics: LEDs for internal fault (fuse blown) and external fault (missing load voltage).
• Parallel Switching: Allows redundant load control using two outputs with the same voltage.

Packaging & Shipping

• The SIMATIC S7-400 SM 422 module ships in its original protective packaging.
• The package includes the digital output module and the necessary spare fuses (8A, 250V).
• We ship globally using reliable carriers like FedEx, UPS, and DHL for fast delivery.

Frequently Asked Questions (FAQ)

• Q: What is the fuse rating for this module?
  A: It uses an 8A, 250V fast-acting fuse for short-circuit protection per output group.
• Q: Can I control an AC motor starter directly?
  A: Yes, this module can directly control motor starters up to NEMA Size 5.
• Q: What is the maximum ambient operating temperature?
  A: The module functions within standard industrial temperature ranges; derating output current applies above 40°C.
• Q: Are the output channels isolated?
  A: Yes, the outputs are isolated in groups of 4 and from the system backplane bus.

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