Description

ABB  216DB61  trip output and binary input unit

Functional characteristics
Multi-channel input and output: It usually has multiple digital input channels and digital output channels, capable of simultaneously monitoring multiple digital signals and controlling multiple devices.
High-speed and high-precision input: Supports high-speed digital input, capable of monitoring rapidly changing digital signals, and provides high-precision digital input to ensure accurate data acquisition.
Digital filtering: It is equipped with digital filtering function, which can reduce the influence of noise and interference on digital signals.
Logical AND trigger functions: It has logical functions, capable of performing logical operations on digital input signals such as AND, OR, NOT, etc. It also supports trigger functions, which can trigger digital output based on specific conditions.

Technical parameters
Number of channels: Generally, there are 8 channels.
Output type: Relay output.
Output voltage: 24Vdc.
Output current: 2A per channel.
Channel isolation: The isolation voltage between the channel and the site is 2kV.
Operating temperature: -40℃ to + 70℃.
Communication protocol: Supports communication protocols such as IEC 61850 and Modbus TCP/IP.

Application field
It is applicable to various scenarios where binary signals need to be input into ABB controllers, such as industrial automation, robot control, process control and other fields. In power stations, it can help control and maintain the electromagnetic excitation of generators to ensure stable power generation.