Product details
Overview
The ABB DO828 is a high-performance 16-channel relay output module designed for the S800 I/O system. It operates effectively across various voltage ranges, supporting both AC and DC applications with a maximum voltage of 125V DC or 250V AC. Its isolated channels ensure robust electrical separation, making it ideal for industrial automation and control tasks.
Technical Specifications
- Brand: ABB
- Model: DO828
- Voltage Range: 5-250V AC / 5-125V DC
- Load Current: 2A maximum, 5mA minimum
- Maximum Make Current: 30A (50ms, resistive)
- Maximum Break Power: 500VA (AC) / 60W (DC)
- Field Cable Length: Up to 600 meters
- Operation Timing: Pickup: 10ms, Release: 5ms
- Operation Capacity: Up to 2000 operations/hour
- Lifetime Operations:
- Mechanical: >20 million
- Electrical: >0.16 million (2A resistive at 30V DC / 250V AC)
- Current Consumption:
- 5V Modulebus: 45mA
- 24V Modulebus: 80mA
- Power Dissipation: 3.5W
- Isolation: Channel-wise isolated (Rated insulation voltage: 250V)
- Dielectric Strength: 2000V AC
- Module Termination Unit: TU851
- MTU Keying Code: ED
- Relay Power Supervision: Monitors 12V relay power converter
- OSP Timer Options: 256, 512, 1024ms
FAQ
- What is the maximum load current for the ABB DO828?
The module supports a maximum continuous load current of 2A per channel. - Is the DO828 module compatible with other ABB MTUs?
Yes, the DO828 is compatible with the TU851 Extended MTU, offering enhanced terminal connections. - What is the expected mechanical lifetime of the relays in DO828?
The relays can perform more than 20 million mechanical operations. - What safety features are included in the DO828 module?
The module includes channel-wise isolation, relay supply voltage supervision, and configurable OSP timers. - How is output status monitored?
Each channel is equipped with an LED indicator for real-time output state monitoring.
For more detailed information, please check official datasheet: S800_I_O_Modules_and_Termination_Units
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