6ES7422-1BH11-0AA0 Isolated 16 DO 24V DC 2A Module Siemens

6ES7422-1BH11-0AA0 SIMATIC S7-400 Digital Output SM 422

Key Technical Specifications

• Brand & Model: Siemens SIMATIC S7-400, 6ES7422-1BH11-0AA0 (SM 422).
• Outputs: 16 digital outputs, isolated in groups of 8.
• Output Voltage: Rated 24 V DC (20.4 V to 28.8 V).
• Output Current (Signal "1"): Rated 2 A, permissible up to 2.4 A.
• Minimum Load Current: 5 mA for signal "1".
• Residual Current (Signal "0"): Max. 0.5 mA.
• Output Delay: Max. 1 ms (0→1 and 1→0).
• Short-Circuit Protection: Yes, electronically clocked (2.8 to 6 A response threshold).
• Inductive Shutdown Voltage: Limited to -30 V.
• Load Resistance Range: 24 Ω to 4 kΩ.
• Lamp Load Capacity: Max. 10 W.
• Switching Frequency: 100 Hz (resistive), 10 Hz (lamp), 0.1 Hz (inductive at 2 A).
• Group Total Current: Max. 3 A up to 40 °C; 2 A up to 60 °C (2 adjacent outputs).
• Power Loss: Typ. 5 W.
• Backplane Bus Current: Max. 160 mA at 5 V DC.
• Load Voltage L+ Current: Max. 30 mA (without load).
• Cable Length: Shielded up to 1000 m, unshielded up to 600 m.
• Diagnostics: Not available.
• Isolation: Between channels (groups of 8) and backplane bus. Tested at 500 V DC.

Frequently Asked Questions (FAQ)

• Q: What is the maximum output current per channel?
  A: The 6ES7422-1BH11-0AA0 provides 2 A rated, up to 2.4 A per channel.
• Q: Does this module have short-circuit protection?
  A: Yes, it features electronic clocked short-circuit protection (2.8 to 6 A).
• Q: Can I parallel two outputs for higher current?
  A: No, parallel outputs are not allowed for uprating. Only for redundant control within the same group.
• Q: What is the maximum switching frequency?
  A: 100 Hz for resistive loads, 10 Hz for lamp loads, and 0.1 Hz for inductive loads at 2 A.
• Q: Does this module support diagnostics?
  A: No, the 6ES7422-1BH11-0AA0 does not have diagnostic functions.
• Q: Do you have these in stock?
  A: Yes, we have 6ES7422-1BH11-0AA0 modules in stock ready to ship.

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