DO890 ABB | S800 I/O Digital Output Module with IS Protection
Manufacturer: ABB
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Part Number: DO890
Condition：New with Original Package
Product Type: I/O Digital Output Module with IS Protection
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Country of Origin: Sweden
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Product Description
The ABB DO890, product ID 3BSC690074R1, is a 4-channel digital output module designed for ABB’s S800 I/O and System 800xA platforms. Each channel includes intrinsic safety protection, allowing direct connection to Ex-certified field devices in hazardous areas without external barriers.
The module delivers up to 40 mA to a 300 Ω load, making it ideal for driving solenoid valves, alarm sounders, and indicator lamps. Each channel also supports open and short circuit detection, and output and fault LEDs simplify maintenance. All four channels are galvanically isolated from each other, the ModuleBus, and the power supply. Power to the outputs is converted from the 24 V supply connections.
Technical Specifications
| Specification | Details |
|---|---|
| Model Number | DO890 |
| Product ID | 3BSC690074R1 |
| System Compatibility | ABB S800 I/O, System 800xA |
| Output Channels | 4 digital outputs |
| Output Type | Current source |
| Nominal Output Voltage | 11 V DC |
| Nominal Output Current | 40 mA per channel |
| Load Resistance Range | 150–5000 Ω |
| Fault Detection | Open circuit & short circuit per channel |
| Isolation | Galvanic isolation between channels, ModuleBus, and power supply |
| Status Indicators | Output and fault LEDs per channel |
| Compatible Terminal Units | TU890 (Ex applications), TU891 (non-Ex) |
| Dimensions (W × H × D) | 45 mm × 119 mm × 102 mm |
| Weight | 0.3 kg |
| Country of Origin | Sweden |
| Application Areas | Hazardous area control, industrial automation, solenoid/indicator driving |
FAQ
Q1: Can the DO890 module be used in hazardous areas?
A1: Yes, each channel includes intrinsic safety protection for direct Ex-device connection.
Q2: What is the maximum current per channel?
A2: The DO890 drives up to 40 mA into a 300 Ω load per channel.
Q3: Are the channels isolated?
A3: Yes, all channels are galvanically isolated from each other, the ModuleBus, and the power supply.
Q4: Which field devices can it control?
A4: It drives Ex-certified solenoid valves, alarm sounders, and indicator lamps.
Q5: What terminal units are compatible?
A5: Use TU890 for Ex applications and TU891 for non-Ex applications.