Description
The ABB DSTA171 is a specialized digital input/output termination unit designed for use with the Advant Controller 400 and S800 I/O systems. This unit acts as the physical interface between the field wiring and the electronic I/O modules, providing secure signal routing, fused protection, and a robust mounting platform for high-density industrial control signals.
Key Specifications
- Model Number: DSTA171
- Part Number: 3BSE018311R1
- I/O Capacity: 16 Channels (Digital)
- Series: Advant OCS / S800 I/O
- Mounting: Standard DIN rail or wall mounting
- Connection Type: Screw terminals for field wiring
Technical Parameters
- Operating Voltage: 24V DC (nominal)
- Max Current: 2.0A per group
- Isolation: 50V (channel-to-channel)
- Power Dissipation: 1.5W maximum
- Operating Temp: 0°C to +55°C
Application Fields
- Advant Controller 450/410 process automation
- Heavy machinery and turbine control systems
- Pulp and paper mill Distributed Control Systems (DCS)
- Chemical plant material handling and logic
- Power generation and auxiliary system monitoring
Product Q&A
- Q: Is the DSTA171 a standalone I/O module?
- A: No, it is a termination unit (base) that must be paired with a compatible S800 digital I/O module.
- Q: Does it include onboard fuses?
- A: Yes, this model features integrated fuse protection for the field-side power distribution to safeguard the electronics.
- Q: What is the benefit of the DSTA171 over standard bases?
- A: It is specifically designed for high-availability environments with simplified cable management and robust terminal durability.
- Q: Can I use this for both inputs and outputs?
- A: Yes, it is a universal termination unit that supports 16-channel digital input or output modules within the S800 range.
