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| Place of Origin: | Germany |
| Brand Name: | ABB |
| Certification: | COO & COC |
| Model Number: | DSTA155 |
DSTA155 57120001-KD ABB Distributed system terminal adapter System 800xA
ABB DSTA155 is a key Distributed System Terminal Adapter in the System 800xA distributed control system. It is mainly used for seamlessly integrating traditional 4-20mA, HART or switch field devices into modern AC 800M control architectures. This module can be installed in remote I/O stations or local cabinets, serving as an intelligent bridge between field instruments and controllers. It supports signal conditioning, diagnostic upload, and parameter configuration, significantly enhancing system integration efficiency and operation and maintenance transparency.
Technical parameters
| Model Number | DSTA155 |
| ABB Order Code | 57120001-KD |
| Product Type | Digital Input Terminal Adapter (for S800 I/O System) |
| Compatible I/O Modules | DI801, DI802, DI810, DI811, and other 16-channel S800 digital input modules |
| Number of Channels Supported | 16 |
| Terminal Type | Screw terminals (spring-clamp optional in some variants) |
| Wire Range | 0.14–2.5 mm² (AWG 24–12) |
| Field Voltage Rating | Up to 250 V AC / DC (depending on application and module) |
| Isolation | Works with galvanically isolated I/O modules (e.g., DI802) |
| HART Support | Not applicable (HART is for analog signals; this is a digital input adapter) |
| Mounting | Snap-on to standard S800 I/O backplane; DIN rail compatible |
| Operating Temperature | –25°C to +70°C (–13°F to +158°F) |
| Humidity | 5% to 95% RH, non-condensing |
| Dimensions (W × H × D) | 45 mm × 110 mm × 60 mm (approx.) |
| Weight | ~200 g |
| Certifications | CE marked, UL recognized (as part of S800 I/O system), RoHS compliant |
Product Images
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