The ABB DO818 is a robust and versatile digital output module for industrial automation. It reliably controls actuators, solenoid valves, and indicator lamps in demanding environments. Professionals integrate this module into ABB AC 800M and S800 I/O series for cohesive system performance.
Core Electrical Performance and Specifications
This module provides eight independent channels for switching 24 VDC field devices. Each channel can handle a substantial continuous load current, typically up to 2.0 Amps. The design includes strong short-circuit and overload protection on every output for enhanced safety.
Furthermore, the module features diagnostic capabilities for each channel and overall module health. These diagnostics communicate directly back to the central controller, facilitating rapid troubleshooting and maintenance.
Physical Design and Installation Parameters
The ABB DO818 module boasts a compact and sturdy design for high-density DIN rail mounting. Its front panel includes clear LED indicators for channel status, power, and communication. The unit utilizes a reliable removable terminal block for secure field wiring connections.
For instance, the module draws minimal operational power from the controller backplane, contributing to overall system efficiency. Its specific dimensions allow optimal use of space within a control cabinet.
Comprehensive Technical Specifications Table
The table below details the critical technical and physical parameters of the ABB DO818 module.
| Parameter Category | Specification |
|---|---|
| Manufacturer | ABB |
| Model Number | DO818 |
| Product Series | S800 I/O, compatible with AC 800M Controller |
| Module Type | Digital Output Module |
| Output Type | 24 VDC, Sourcing (PNP) |
| Number of Channels | 8 |
| Rated Load per Channel | 2.0 A continuous at 24 VDC |
| Total Module Power Dissipation | Approx. 4.8 W (typical) |
| Electrical Isolation | 500 V AC between channels and system |
| Diagnostics | Per-channel status LED, module fault indication |
| Connection Interface | Removable screw-clamp terminal block |
| Housing Material | Polycarbonate (PC) |
| Mounting Standard | DIN Rail (35 mm) |
| Operating Temperature | 0 to 60 °C (32 to 140 °F) |
| Storage Temperature | -40 to 70 °C (-40 to 158 °F) |
| Relative Humidity | 5 to 95% (non-condensing) |
Details
| Weight | 0.2 kg |
|---|---|
| Dimensions | 234 × 108 × 18 mm |
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