ABB AO845A 3BSE045584R1 Analog Output Module

Brand ABB
Module Number AO845A
Order Number 3BSE045584R1
Unit Price $550
Country Of Origin Sweden
Weight 0.46KG
Certificate C/O from the Chamber of Commerce
C/Q from the Manufacturer
Warranty 12 Months
Inventory Qty 14

ABB AO845A, a 4-channel analog output module for Freelance DCS, offers precise 4–20 mA/0–10 V signals at 12-bit resolution. With galvanic isolation and easy integration, it ensures reliable control in harsh conditions.

ABB AO845A Technical specifications

Power Supply Input: 24 VDC ±10%
Output Channels: 4 analog outputs (4–20 mA or 0–10 V)

Resolution: 12-bit per channel

Isolation Voltage: 1500 V DC channel-to-bus

Response Time: < 100 ms per channel

Current Consumption: ≤ 150 mA at 24 VDC

Operating Temperature: –20 °C to +60 °C

Humidity Range: ≤ 95% RH (non-condensing)

Bus Interface: NOVRAM backplane for Freelance rack

Beneficiary's Bank: CITIBANK N.A.
Beneficiary address:Champion Tower,Three Garden Road,Central,Hong Kong
Beneficiary: Vogi International Trading Co., Limited
Account No.: 395714900
Bank Code: 006 Branch Code: 391
Swift Code:CITIHKHX (CITIHKHXXXX * If 11 characters are required)
Payment Term:T/T

ABB AO845A Key features

High Precision Output: 12-bit resolution delivers accurate control signals for actuators.

Galvanic Isolation: 1500 V isolation ensures signal integrity and protects downstream devices.

Flexible Signal Support: Configurable for either 4–20 mA or 0–10 V output without extra converters.

Seamless Integration: Designed for Freelance DCS, plug-and-play on NOVRAM backplane simplifies setup.

Robust Industrial Design: Rated for –20 °C to +60 °C and high humidity, suitable for demanding environments.

ABB AO845A 2
ABB AO845A 3

Typical cooperation cases

Process Automation: Drives control valves, dampers, and motor speed regulators in chemical, petrochemical, and pharmaceutical plants.  

Power Generation: Provides output signals to guide turbine governors and boiler control loops in thermal, hydro, and renewable power stations.  

Water & Wastewater: Controls dosing pumps, valve actuators, and chemical feeders in treatment facilities.  

HVAC & Building Management: Interfaces with actuators in heating, ventilation, and air-conditioning systems for efficient energy regulation.