Description
General Information
表格
| Item | Specification |
|---|---|
| Part Number | DO815, 3BSE013258R1 |
| Manufacturer | ABB |
| Product Family | AC 800M, S800 I/O System |
| Product Type | 8‑Channel 24VDC Sourcing Digital Output Module |
| Installation | Mounted on S800 I/O backplane, matching terminal base TU815 |
| Power Supply | Module bus power + field 10‑30 VDC actuator supply |
| Lifecycle Status | Obsolete / End‑of‑Life. OEM manufacturing discontinued. Only new‑old‑stock, refurbished and field‑pulled used maintenance spare parts available; no brand‑new factory‑built units can be orderedABB. |
| ESD Handling Requirement | Digital output drive electronics assembly; anti‑static wrist‑strap and anti‑static workstation required for installation and replacement operations. |
Electrical & Interface Specifications
- Backplane Interface: S800 internal module bus, communicates with AC800M controller via CI840A communication interfaceABB.
- Field Terminals: Connected through TU815 terminal base unit.
- Channel Configuration: 8 channels, divided into 2 galvanically‑isolated groups (4 channels per group)ABB.
- Output Type: High‑side sourcing outputs, 24 VDC nominal, range 10‑30 VDC.
- Output Rating: Max 2 A per channel, max 6 A per group total current.
- Protection: Short‑circuit protection, overload protection, open‑load detection under energized state; two fault modes: automatic reset / fault latching modeABB.
- Inductive Load: Max switching off energy 1 J; lamp load up to 10 W.
- OSP (Output Set Parameter): Configurable fail‑safe output state upon bus communication failure, delay options:256 ms / 512 ms /1024 ms.
- Isolation: Group‑wise galvanic isolation between field groups and internal logic circuitABB.
- On‑Board Circuitry: High‑side driver circuit, short‑circuit & overload protection circuit, open‑load diagnosis circuit, module self‑diagnosis circuit, multi‑channel LED status indicators for power, channel status and fault flagsABB.
- Power Dissipation: Typical 4.0 W @24VDC.
- Operation Limitation: Cannot operate standalone. Must work with AC800M controller and S800 I/O rack.
- Compatibility Matrix
‑ Compatible System: ABB AC800M, S800 I/O
‑ Matching Terminal Unit: TU815
‑ Hot‑swap: Supported. Module can be plugged / pulled under powered rack conditionABB.
Environmental Specifications
表格
| Item | Value |
|---|---|
| Operating Temperature | ‑40 °C ~ +70 °C inside control cabinet |
| Storage / Transport Temperature | ‑40 °C ~ +85 °C for long‑term spare‑part preservation |
| Relative Humidity | 5 %‑95 % RH, non‑condensing; avoid condensation to prevent circuit corrosion. |
| Compliance Standard | CE certification, complies with industrial EMC requirements. |
| Protection Class | IP20 module body; installed inside protected cabinet. |
| Dimension | Standard S800 module form‑factor |
| Net Weight | Approx. 0.26 kg |
| Vibration Resistance | Complies with IEC 60068‑2‑6 industrial cabinet vibration criteria. |
Main Functions
- DO815 (3BSE013258R1) is 8‑channel high‑side sourcing digital output module for ABB S800 I/O system under AC800M controller. It converts controller logic commands into 24 VDC field drive signals for solenoid valves, contactors and actuatorsABB.
- Output channels are split into two electrically‑isolated groups of four channels each, improving anti‑interference performance. Built‑in hardware protection for short‑circuit, overload and open‑load wiring fault detection. Supports two fault reaction modes: automatic reset or fault latch for maintenance troubleshootingABB.
- OSP function defines safe output state when S800 module bus communication is lost, to guarantee process safety. Front‑panel LED indicators reflect power status, module fault and each output channel status for on‑site inspection and troubleshooting. Built‑in self‑diagnosis reports module abnormal status to AC800M controllerABB.
- Typical field failure symptoms
‑ No output response after receiving controller command
‑ Channel over‑current / short‑circuit fault latch alarm
‑ Open‑load detection alarm for broken field wiring
‑ Module communication failure with S800 bus
‑ Individual channel burnout caused by field overload or surge voltage
Common root causes: 24 VDC field power‑supply anomaly, field overload / short‑circuit load damaging output driver, poor contact of backplane or terminal base connector, dust and moisture contamination on circuit board, component ageing.
- Pure maintenance‑oriented spare‑part component, only for repair and replacement of existing legacy AC800M installations; not suitable for new‑project engineering deployment.
Typical Applications
- Spare‑part replacement for DO815 digital output module (3BSE013258R1) in S800 I/O rack.
- Troubleshooting scenarios: solenoid valve & actuator control failure, field wiring fault diagnosis alarm, module bus communication breakdown.
- Preventive‑maintenance spare‑part inventory for power, chemical, pulp‑paper sites equipped with AC800M DCS system.
- Hardware refurbishment for decommissioned S800 I/O assemblies.
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