The ABB DO828 (3BSE069055R1) is a 16-channel relay digital output module from the S800 I/O family, designed for reliable switching of AC and DC loads in demanding industrial automation applications . Featuring electromechanical relay outputs with Normally Open (NO) contacts, this module interfaces seamlessly with ABB AC800M controllers and System 800xA via the ModuleBus .
With 16 individually isolated channels, the DO828 provides robust control for actuators, contactors, solenoids, and pilot devices. Its comprehensive diagnostic capabilities and Output Safe Preset (OSP) function make it a trusted choice for process control, power generation, and factory automation applications where reliability and safety are paramount.
Item No :
DO828Order(MOQ) :
1Payment :
EXWProduct Origin :
SwedenShipping Port :
Wuhan, Hubei, ChinaLead Time :
3-5 daysWeight :
0.5kgProducts Description
ABB DO828 3BSE069055R1 Digital Output Module in stock
| Model Number | DO828 3BSE069055R1 |
| Place of Origin | Sweden |
| Dimension/Weight | 0.5kg |
| Condition | New and Original |
| Warranty | 1 year |
| Shipping term | DHL Fedex TNT EMS UPS |
| Payment | TT / Western Union |
| Delivery time | 3-5 days |
| Service | 24 Hours Online Service |
HART pass-through:
Media: The system has pass-through functionality and can be connected either as local I/O (S800) or as Remote I/O.
Purpose: Makes HART data available for clients, e.g. Fieldbus Builder
Protocol: HART protocol
SW interface: Process data via 4 – 20 mA signal are I/O copied to application variables. HART data (status and diagnostic data) are available via “pass-through”.
HW Interface: S800 I/O modules AI845, AI895, AO845 and AO845 S900 I/O modules AI930/931 and AO930
OPC interface: Yes, via HART OPC server
16 Relay Output Channels – Normally Open (NO) Form A contacts for AC/DC load switching
Wide Voltage Range – 5–125V DC and 5–250V AC, accommodating diverse field devices
2A Continuous Current per Channel – Drives contactors, solenoids, valves, and indicators directly
Individual Channel Isolation – Channel-to-channel and to circuit common for enhanced safety
Output Safe Preset (OSP) – Predetermined safe state on communication or module fault
Relay Supply Voltage Supervision – Warning LED and error signal on power loss
Output Status Indicators – Individual channel status LEDs for real-time monitoring
Robust Diagnostics – Fault (F), Run (R), OSP, and channel status LEDs
Hot Swap Capability – Replace modules without powering down the system
| Specification | Details |
|---|---|
| Catalog Number | 3BSE069055R1 |
| Type | Digital Output Module – Relay |
| Number of Channels | 16 |
| Signal Type | Relay (NO) |
| Voltage Range | 5–125V DC / 5–250V AC |
| Maximum Output Voltage | 125V DC / 250V AC |
| Continuous Current per Channel | 2A |
| Minimum Load Current | 5 mA |
| Maximum Make Current | 30 A for 50 ms (resistive) |
| Maximum Break Power (AC) | 500 VA |
| Maximum Break Power (DC) | 60 W |
| Pick-up Time (max) | 10 ms |
| Release Time (max) | 5 ms |
| Max Operations per Hour | 2000 |
| Mechanical Life | > 20 × 10⁶ operations (no load) |
| Electrical Life | > 0.16 × 10⁶ operations (2A resistive at 30V DC / 250V AC) |
| Isolation | Individually isolated, channel-to-channel and to circuit common |
| Dielectric Test Voltage | 2000V AC |
| Rated Insulation Voltage | 250V |
| Power Dissipation | Typical 3.5W |
| Current Consumption (+5V ModuleBus) | 45 mA |
| Current Consumption (+24V ModuleBus) | 80 mA |
| Current Consumption (+24V External) | 0 |
| Maximum Field Cable Length | 600 meters (656 yards) |
| Diagnostic LEDs | Fault, Run, OSP, Channel 1–16 Status |
| Dimensions (W × H × D) | 45 × 119 × 102 mm (111 mm with connector) |
| Weight | Approx. 0.18 kg (0.4 lbs.) |
| MTU Keying Code | ED |
| Compatible MTU | TU851 |
The DO828 provides comprehensive diagnostic capabilities for efficient troubleshooting and system monitoring :
| Diagnostic Feature | Description |
|---|---|
| Front Panel LEDs | Fault (F), Run (R), OSP, Channel 1–16 Status |
| Relay Supply Supervision | Monitors 12V relay power converter; error signal if voltage disappears |
| Warning LED | Indicates loss of relay supply voltage |
| Module Error | Reported via ModuleBus |
| Module Warning | Reported via ModuleBus |
| Channel Error | Reported via ModuleBus |
Note: Relay supply voltage supervision can be enabled or disabled via a parameter . The OSP function sets outputs to a predetermined safe state upon error detection, configurable with timers of 256, 512, or 1024 ms .
The DO828 must be used with the TU851 module termination unit . The mechanical anti-insertion keying code is ED .
All outputs are individually isolated channel-to-channel and to circuit common . This prevents issues from propagating between channels and enhances system reliability.
Configure predetermined output states to be applied upon module or communication failure. The OSP timer can be set to 256, 512, or 1024 ms (256 ms used for Master) .
Maximum field cable length is 600 meters (656 yards) when using shielded cable .
The ABB DO828 is suited for discrete relay output control across a wide range of industries:
Process Control – Driving contactors, solenoids, and alarm indicators in chemical, oil & gas, and water/wastewater plants
Power Generation – Control of auxiliary systems, circuit breakers, and switching devices in thermal and hydroelectric plants
Factory Automation – Switching of motors, conveyors, packaging equipment, and manufacturing systems
General Purpose – High-voltage AC/DC load switching where individual channel isolation and robust relay contacts are essential
1 × ABB DO828 Digital Output Module (3BSE069055R1)
In Stock – ready to ship same/next business day
Fully Tested – each unit verified for functionality
Competitive Pricing – significant savings
Warranty Included – purchase with confidence
Technical Support – integration assistance available
Q1: How many output channels does the DO828 provide?
The DO828 provides 16 output channels based on electromechanical relays with Normally Open (NO) contacts .
Q2: What voltage and current can the outputs handle?
Each channel supports a wide voltage range of 5–125V DC and 5–250V AC with a maximum continuous current of 2A .
Q3: Is the DO828 suitable for high-speed switching applications?
No. As a relay-based output module, it has mechanical switching limitations with max 10 ms pick-up time and 2000 operations per hour at rated load . It is designed for conventional ON/OFF control.
Q4: What MTU is required for the DO828?
The DO828 must be installed on a TU851 module termination unit . The keying code is ED.
Q5: Does the module provide individual channel isolation?
Yes, the DO828 features individually isolated channels – channel-to-channel and to circuit common .
Q6: What diagnostic features does the DO828 offer?
The module provides front-panel LEDs: Fault, Run, OSP, and Channel 1–16 Status. It also supervises the 12V relay supply voltage and reports errors via ModuleBus .
Q7: What is the Output Safe Preset (OSP) function?
OSP allows the module to automatically set outputs to a predetermined safe state in the event of a communication or module fault. The timer can be configured for 256, 512, or 1024 ms .
Q8: What is the maximum field cable length?
The maximum recommended field cable length is 600 meters (656 yards) when using shielded cable .
Q9: What certifications does the DO828 carry?
The module carries CE mark, UL 61010-1, ATEX Zone 2, Class 1 Div 2, and DNV marine certification .
Q10: Does the module support redundancy or intrinsic safety?
No. The DO828 does not support redundancy, high integrity, SOE, HART, or intrinsic safety
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