Overview
Specification
| Parameter | Specification / Details |
|---|---|
| Model Number | DSTC 121 |
| ABB Part Number | EXC57520001-KH |
| Module Type | Master Connection Unit |
| Input Voltage | 24 V DC nominal |
| Communication Interfaces | ABB proprietary backplane and module connectors |
| Number of Connection Ports | 8 standard module slots |
| Redundancy Support | Yes, hot-swap capable |
| Operating Temperature | 0°C to +55°C |
| Storage Temperature | –20°C to +70°C |
| Relative Humidity | 5% to 95% RH, non-condensing |
| Mounting / Form Factor | Rack-mounted, ABB cabinet compatible |
| Dimensions (approx.) | 210 mm × 120 mm × 45 mm |
| Weight | Approx. 1.3 kg |
| Compliance / Certification | ABB industrial standards, CE, UL, EMC |
FAQ
A1: Yes, it is designed for seamless integration with ABB Master Control modules.
Q2: How many connection ports does the module provide?
A2: The DSTC 121 provides 8 standard module connection ports for system integration.
Q3: Does this unit support hot-swap redundancy?
A3: Yes, it supports hot-swap operation for continuous system availability.
Q4: What is the operating voltage of this connection unit?
A4: It operates at a nominal 24 V DC input voltage for reliable performance.
Q5: Can it operate in harsh industrial environments?
A5: Yes, it functions reliably from 0°C to +55°C with high humidity tolerance.
Q6: How does DSTC 121 improve system reliability?
A6: By providing stable interconnections and supporting redundancy, it minimizes downtime and operational risks.
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