ABB AO801 Output Module 4-20mA Output

ABB AO801 Analog Output Module

The ABB AO801 provides 8-channel analog output for industrial control systems. This module delivers precise current signals with robust protection features.

Output Specifications

• 8 channels for 0-20 mA and 4-20 mA signals
• 12-bit resolution for precise control
• 1 ms update cycle time
• 10 μs rise time for fast response
• Maximum 850 Ω output load
• 0.1% maximum error accuracy

Protection & Safety

• Short-circuit proof outputs
• Current-limited output protection
• OSP function sets safe state on error
• 500V AC dielectric test voltage
• Group-wise isolation from ground

Power & Wiring

• 3.8 W power dissipation
• 70 mA from +5V Modulebus
• 200 mA from external +24V
• 600 meters maximum cable length
• 0.5-2.5 mm² wire size support

Environmental Ratings

• 0 to +55°C operating temperature
• -40 to +70°C storage temperature
• IP20 protection rating
• 5-95% relative humidity

Diagnostics

• Status LED for run/fault indication
• Module and channel error detection
• Cyclical self-diagnostics
• Internal power supply monitoring

Physical Specifications

• S800L mechanics
• 86.1mm × 58.5mm × 110mm
• 0.24 kg weight
• Detachable connectors

FAQ

• What signals does it support?
  0-20 mA and 4-20 mA current outputs.
• How many output channels?
  Eight independent analog outputs.
• What is the resolution?
  12-bit resolution for precise control.
• Is short-circuit protection included?
  Yes, outputs are short-circuit proof.
• What is the update time?
  1 ms update cycle time.

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