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The DSAO120A is a high-precision analog output module designed for industrial automation systems that require reliable and accurate signal output to control field devices such as actuators, valves, and converters. As part of the S800 I/O series, it seamlessly integrates with ABB’s AC 800M system and offers a scalable, compact solution for analog output control across various process industries.
The DSAO120A provides 8 independent analog output channels, capable of handling both voltage and current signals. With its robust design, galvanic isolation, and field-proven performance, the module is suitable for critical applications in sectors like energy, petrochemicals, water management, and factory automation.
| Parameter | Specification |
|---|---|
| Model | DSAO120A |
| Part Number | 3BSE018293R1 |
| Function | Analog Output Module |
| Number of Channels | 8 channels |
| Output Signal Types | 0–10 V, 0–20 mA, 4–20 mA |
| Resolution | 12-bit |
| Isolation | Galvanic isolation between channels and ground |
| Accuracy | ±0.2% of full scale |
| Load Resistance (Current) | Max 750 Ohms |
| Load Resistance (Voltage) | Min 1 kOhm |
| Update Rate | < 2 ms/channel |
| System Compatibility | AC 800M, S800 I/O |
| Mounting Type | DIN Rail |
| Power Supply | 24 V DC |
| Power Consumption | Approx. 3.5 W |
| Operating Temperature | -25°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Cooling | Passive |
| Certifications | CE, UL, RoHS, ATEX Zone 2 |
| Dimensions (L x W x H) | 130 mm x 110 mm x 40 mm |
| Weight | 0.47 kg |
ABB
S800 I/O Series — A modular, flexible, and high-performance input/output system designed to be used with the AC 800M control platform. Ideal for distributed control systems requiring reliability, precision, and field connectivity.
Actuator control in energy production facilities
Analog signal output for chemical dosing systems
Control valve output for water and wastewater plants
Industrial HVAC system signal regulation
Oil and gas processing control loops
Factory automation for motion control and feedback systems
Interface between control logic and analog field devices
Dual support for voltage and current outputs increases flexibility
Compact modular format for space-saving panel integration
High electrical isolation ensures signal integrity and system safety
Seamlessly integrates with AC 800M and other ABB control systems
Highly accurate outputs enhance process reliability
Passive cooling design reduces failure points
Durable under wide environmental and electrical conditions
Certified for use in hazardous industrial environments (ATEX Zone 2)
| Model | Description | Dimensions (mm) | Weight (kg) | Channels / Type |
|---|---|---|---|---|
| DSAI130A | Analog input module | 130 x 110 x 40 | 0.45 | 8/16 ch, Voltage/Current In |
| DSAI133A | Analog input with HART support | 130 x 110 x 40 | 0.48 | 8 ch, Analog + HART In |
| DO810 | Digital output module | 130 x 110 x 40 | 0.44 | 16 ch, 24 V DC Out |
| DI810 | Digital input module | 130 x 110 x 40 | 0.42 | 16 ch, 24 V DC In |
| DSAX110A | High-speed counter module | 130 x 110 x 40 | 0.50 | 4 ch, Pulse / Counter |
| Model | Description | Dimensions (mm) | Weight (kg) | Application Area |
|---|---|---|---|---|
| PM864AK01 | AC 800M CPU module | 160 x 100 x 45 | 0.65 | Central controller |
| CI854AK01 | Profibus-DP communication interface | 160 x 100 x 45 | 0.60 | Fieldbus communication |
| AI810 | Analog input module | 130 x 110 x 40 | 0.44 | General analog input |
| DO880 | High-current digital output module | 130 x 110 x 40 | 0.47 | Actuator and load control |
| PM866AK02 | Redundant CPU module | 160 x 100 x 50 | 0.70 | High-availability systems |
Q1: What is the purpose of the DSAO120A module?
A1: It is used to convert digital control signals into analog voltage or current outputs to drive field devices such as valves and actuators.
Q2: How many channels are available on this module?
A2: It provides 8 independent analog output channels.
Q3: What output signal types does it support?
A3: It supports 0–10 V, 0–20 mA, and 4–20 mA outputs.
Q4: Is this module electrically isolated?
A4: Yes, each output channel is galvanically isolated from the system and ground.
Q5: Can the DSAO120A be used in harsh environments?
A5: Yes, it is rated for operation in extreme temperatures and certified for ATEX Zone 2 applications.
Q6: Is the module hot-swappable?
A6: Yes, under supported system configurations, it can be replaced without shutting down the system.
Q7: Which control system is it compatible with?
A7: It is fully compatible with the AC 800M control system and the S800 I/O series.
Q8: What is the module’s update speed?
A8: It updates analog outputs in less than 2 ms per channel.
Q9: How is it mounted in a system cabinet?
A9: It is designed for DIN rail mounting, suitable for industrial enclosures.
Q10: What is the typical accuracy of analog outputs?
A10: The module provides an output accuracy of ±0.2% of full-scale range.
Authenticity guarantee
All product specifications are original and authentic imported products. We have an annual sales volume of 300 million yuan, and we only produce original and authentic products. All customers who cooperate with us directly online can enjoy low discounts.
Free warehouse
We have a complete range of product models, 80% of conventional models are in stock, and we have established channels in Asia, Africa, North America, South America, and Europe, effectively shortening the order processing time and satisfying customers in a timely manner.
Technical Team
Fast delivery. Spot goods can be shipped on the same day, and the delivery time transaction is 20% faster than that of peers on average, with a delivery time accuracy rate of 99%.
Thoughtful after-sales service
24-hour after-sales service guarantee team, professional and standardized management service system.