ABB DO802 Digital Output Module

Overview

The DO802 Digital Output Module is an 8-channel relay output module designed for the S800 I/O system. It is built to handle 24 – 110 V d.c./250 V a.c. relay outputs with Normally Open (NO) contacts. This versatile module is ideal for applications requiring reliable signal output control, offering optical isolation and status indicators for each output channel. The DO802 module supports an extended range of applications due to its rugged design and ability to manage high voltage and current requirements. It is particularly suitable for controlling industrial machinery, alarms, or remote signaling systems in automation environments.

Technical Specifications

• Brand: ABB
• Model: DO802
• Channels: 8
• Type of Output: Relay (Normally Open)
• Voltage Range: 24 – 110 V d.c./250 V a.c.
• Load Current: Max 2 A, Min 5 mA
• Max Break Power:
  • a.c.: 500 VA
  • d.c.: 60 W
• Max Cable Length:
  • d.c./a.c.: 600 meters (656 yd.)
• Pick-up Time: Max 10 ms
• Release Time: Max 6 ms
• Number of Operations per Hour: Max 1000
• Mechanical Lifetime: > 20 x 10⁶ operations
• Electrical Lifetime (at 30 V d.c. / 250 V a.c.): > 0.16 x 10⁶ (at 2 A resistive)
• Current Consumption (Modulebus):
  • 5 V: 70 mA
  • 24 V: 80 mA
• Power Dissipation: 2.2 W
• Power Supervision: 24/12 V relay power converter monitor
• Isolation: Individually isolated from ground
• Rated Insulation Voltage: 250 V
• Dielectric Test Voltage: 2000 V a.c.
• Wire Sizes:
  • Solid: 0.05-2.5 mm² (30-12 AWG)
  • Stranded: 0.05-1.5 mm² (30-12 AWG)
• Recommended Torque: 0.5 – 0.6 Nm
• Stripping Length: 6-7.5 mm (0.24-0.30 in)

FAQ

1. What is the maximum voltage that the DO802 can handle? The DO802 can manage a maximum voltage of 250 V a.c. and 110 V d.c. for relay outputs.
2. Can the DO802 module handle high current loads? Yes, it can handle up to 2 A of continuous output current per channel.
3. What is the maximum cable length supported by the DO802 module? The module supports a maximum cable length of 600 meters (656 yd.) for both a.c. and d.c. applications.
4. How long is the module’s expected lifespan? The DO802 offers a mechanical lifetime of over 20 million operations and an electrical lifetime of over 0.16 million operations at 2 A resistive.
5. Can the outputs be pre-set in case of an error? Yes, the OSP feature allows the outputs to be set to a predetermined state in the event of an error detection.

For more detailed information, please check official datasheet: S800_I_O_Modules_and_Termination_Units