ABB DO820 Digital Output Module 3BSE008514R1

Overview

The DO820 Digital Output Module is an 8-channel, relay-based output module designed for ABB S800 I/O systems. With a high-quality design that ensures reliable performance in industrial automation, it features normally open (NO) relays for both AC and DC applications.

Technical Specifications:

• Brand: ABB
• Model: DO820
• Type: Digital Output Module
• Channels: 8
• Output Type: Relay (Normally Open)
• Voltage Range: 5-250 V AC/DC
• Max. Load Current: 3 A, Min. 5 mA
• Maximum Make Current: 30 A, for 200 ms (L/R > 10 ms)
• Max. Break Power:
  • AC: 720 VA at power factor > 0.4
  • DC: 40 W (L/R < 40 ms)
• Field Cable Length: Up to 600 meters (656 yd.)
• Pick-up Time: Max. 9 ms
• Release Time: Max. 5 ms
• Operations per Hour: Up to 2000
• Operations Lifetime:
  • Mechanical: Over 20 million
  • Electrical: Over 1 million
• Current Consumption:
  • 5 V (Modulebus): 60 mA
  • 24 V (Modulebus): 140 mA
• Power Dissipation: 2.9 W
• Power Supervision: Monitors 24/12 V relay power converter
• Isolation: Individually isolated from ground
• Module Termination Units: TU811, TU813, TU831, TU836, TU837, TU851
• MTU Keying Code: AD
• Rated Insulation Voltage: 250 V
• Dielectric Test Voltage: 2000 V AC

FAQ:

1. What is the maximum operating current for the DO820?
   The maximum continuous output current for each channel is 3 A.
2. Can the DO820 be used for both AC and DC applications?
   Yes, the module supports both AC and DC relay outputs, with a voltage range from 5 V to 250 V.
3. What happens if there is a power failure?
   The DO820 has relay power supervision that detects if the relay supply voltage is lost and triggers an error signal, lighting up the Warning LED.
4. What are the termination unit options for this module?
   The module can be terminated with units such as TU811, TU813, TU831, TU836, TU837, or TU851.

For more detailed information, please check official datasheet: S800_I_O_Modules_and_Termination_Units