The ABB DSAO120A (3BSE018293R1) is an analog output module designed for the Advant S100 I/O system. This board provides high-precision signal conversion and reliable output control for industrial automation applications, supporting both current and voltage signal ranges to interface with a variety of field devices.
Features
- Supports multiple output ranges: 4–20 mA, 0–10 VDC, and ±10 VDC.
- High-resolution 16-bit output for precise process control.
- Robust isolation: 250 VAC channel-to-channel and 1500 VAC channel-to-backplane.
- Low power consumption of ≤2 W, powered via the system backplane.
- Compact design optimized for Advant S100 rack mounting.
Technical Specifications
| Model | DSAO120A |
| Order Code | 3BSE018293R1 |
| Output Current | 4–20 mA |
| Output Voltage | 0–10 VDC, ±10 VDC |
| Resolution | 16-bit |
| Accuracy | ±0.05% of full scale at 25 degC |
| Temperature Drift | ±0.005%/degC |
| Supply Voltage | 24 VDC (±10%) |
| Power Consumption | ≤2 W |
Installation Guidelines
- Ensure the system power is disconnected before installing or removing the module from the S100 I/O rack.
- Handle the module using proper ESD (Electrostatic Discharge) protection measures to prevent damage to internal components.
- Verify that the backplane connector is clean and free of debris before seating the module.
- Ensure proper grounding of the I/O rack to maintain signal integrity and safety isolation.
- Route analog signal cables away from high-voltage or high-EMI sources to minimize interference.
FAQ
What is the primary function of the DSAO120A module?
The DSAO120A is an analog output board used in ABB Advant S100 I/O systems to convert digital control signals from the controller into analog current or voltage signals for field instrumentation.
Is this module compatible with other S100 I/O components?
Yes, the DSAO120A is designed specifically for the S100 I/O series and is intended for use within compatible Advant controller racks.
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Guide
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