Product Description
ABB DO820
The ABB DO820 is a 16-channel digital output module for the S800 I/O system. It provides 24 V d.c. current sourcing outputs, making it suitable for a wide range of industrial control applications. Each channel is equipped with short-circuit and over-temperature protection to ensure high reliability and system uptime. The module features process and power voltage supervision and is galvanically isolated from the ModuleBus, enhancing system safety and integrity. The DO820 is designed to be used with various S800 I/O terminal units for flexible installation.
Technical Specifications:
- Number of Channels: 16
- Output Voltage: 24 V d.c. (19.2 – 30 V)
- Output Current: Max. 0.5 A per channel
- Output Type: Current Sourcing, Short circuit proof
- Isolation: Galvanically isolated from ModuleBus
- Protection: Over-temperature protection, Over-voltage protection, Process voltage supervision

ABB DO820
Discover the reliable ABB DO820 S800 I/O Digital Output Module. This 16-channel, 24V DC current sourcing module offers robust performance with short-circuit and over-temperature protection for demanding industrial automation applications.







