ABB AO845A (Order Number: 3BSE045584R1) Analog Output Module

ABB AO845A (Order Number: 3BSE045584R1) is a high-performance redundant application analog output module, specifically designed for industrial automation systems, used for signal output and control. Here is its detailed introduction: 
I. Core Functions
Redundant Application Support:
The AO845A module supports redundant applications. It adopts redundant design and algorithms to ensure continuous stable signal output even when one module fails, achieving system-level redundancy and reliability.
High Resolution and Precision:
This module has the capability of high-resolution and high-precision signal output. It supports 12-bit resolution and output signal types including 4-20mA, 0-20mA DC current, or 0-10V DC voltage (depending on configuration), enabling precise control and adjustment.
Multiple Channels and Multiple Modules Support:
The AO845A module typically has 8 analog output channels and can simultaneously output multiple signals. Additionally, it supports the connection and integration of multiple modules to meet larger-scale signal output requirements.
Programmable and Configurable:
The module can usually be configured and programmed using ABB’s programming software to meet specific application needs. It supports multiple programming languages and development environments, allowing users to flexibly customize and configure the system.
HART Communication Protocol Support:
The AO845A module supports the HART communication protocol, allowing remote parameter reading and diagnosis through a 4-20mA loop, significantly enhancing maintenance efficiency.

Technical Specifications
Parameter Name    Parameter Value
Model    AO845A
Order Number    3BSE045584R1
Manufacturer    ABB (Zurich, Switzerland)
Type    Analog Output Module
Number of Channels    8 channels (redundant configuration)
Output Signal Type    Supports 4-20mA, 0-20mA DC current, or 0-10V DC voltage (configuration required)
Resolution    12 bits
Accuracy and Error    Error range: Maximum 0.1%; Temperature drift: Typical value 50 ppm/°C, high 80 ppm/°C
Response Time    Update cycle 1 millisecond, input filter rise time 0-90% is 180 milliseconds
Isolation Characteristics    Channel and ground isolation, enhancing anti-interference capability
Operating Temperature    Not directly mentioned, but industrial modules typically adapt to a wide temperature range
Size and Weight    Size approximately 45mm (width) x 102mm (length) x 119mm (height); weight approximately 0.2kg