ABB DO821 3BSE013250R1 Digital Output Relay 8 Channels Module PLC Systems

ABB DO821 3BSE013250R1 Digital Output Relay 8 Channels Module PLC Systems

Product Details:

Description:

The DO821 is an 8 channel 230 V a.c./d.c. relay (NC) output module for the S800 I/O. The maximum output voltage is 250 V a.c. and the maximum continuous output current is 3 A. All outputs are individually isolated. Each output channel consists of optical isolation barrier, output state indication LED, relay driver, relay and EMC protection components. The relay supply voltage supervision, derived from the 24 V distributed on the ModuleBus, gives an error signal if the voltage disappears, and the Warning LED turns on. The error signal can be read via the ModuleBus. This supervision can be enabled/disabled with a parameter.

S800 I/O is a comprehensive, distributed and modular process I/O system. The system can communicate with host controllers and PLCs via industrial standard fieldbuses. Due to its wide connectivity, it is suitable for a wide range of process controllers and PLCs from ABB and other companies. Allowing installation in the field, close to sensors and actuators, S800 I/O reduces installation costs by reducing wiring costs. With features such as "hot swapping" of modules, online reconfiguration and redundancy options, it helps to maintain production, thereby increasing profits.

The DO821 is an 8 channel 230 V a.c./d.c. relay (NC) output module for the S800 I/O. The maximum output voltage is 250 V a.c. and the maximum continuous output current is 3 A. All outputs are individually isolated. Each output channel consists of optical isolation barrier, output state indication LED, relay driver, relay and EMC protection components. The relay supply voltage supervision, derived from the 24 V distributed on the ModuleBus, gives an error signal if the voltage disappears, and the Warning LED turns on. The error signal can be read via the ModuleBus.

The ABB DO821, identified by the part number 3BSE013250R1, is a digital output module designed for use in ABB's 800xA and other compatible control systems. This module plays a critical role in controlling various field devices by providing reliable digital output signals.The DO821 typically features multiple output channels, allowing it to control several devices simultaneously. It provides digital signals, which can be used to switch devices on or off, such as motors, valves, and alarms.

The module supports a range of output voltage levels, making it versatile for different applications. It typically includes electrical isolation between the output channels and the system, enhancing safety and reducing the risk of interference. LED indicators on the module provide real-time feedback on the status of each output channel, facilitating troubleshooting and monitoring. The DO821 module is designed to integrate seamlessly with ABB's control systems, providing a reliable solution for digital output needs in complex industrial environments.

Datasheet Link:

ABB DO821 3BSE013250R1.pdf