DSTA-121A | ABB Digital Module for Process Automation
Manufacturer: ABB
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Part Number: DSTA121A
Condition：New with Original Package
Product Type: Digital Module for Process Automation
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Country of Origin: Sweden
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Product Description
The ABB DSTA-121A (57120001-NY/1) is a high-performance digital I/O module, designed for ABB Advant OCS and Master control systems. It reliably acquires and processes binary signals from field devices such as sensors, switches, and relays, providing precise data for automation tasks. Moreover, its compact PCB design allows easy installation in ABB I/O racks, ensuring efficient use of space in industrial control cabinets.
This module delivers interference-resistant communication in demanding industrial environments, maintaining stable operation even under heavy electromagnetic conditions. In addition, the DSTA-121A offers galvanic isolation between channels and the system bus, improving safety and signal integrity. Its versatility makes it suitable for process automation, power generation, chemical plants, steel mills, and complex manufacturing systems.
Technical Specifications
| Attribute | Specification |
|---|---|
| Model | DSTA-121A |
| Part Number | 57120001-NY/1 |
| Type | Digital I/O Module |
| System Compatibility | ABB Advant OCS / Master systems |
| Function | Acquisition and processing of binary signals |
| Number of Channels | 16 digital input/output channels |
| Input Voltage Range | 24 V DC typical |
| Signal Type | Binary (on/off, contact closure, relay feedback) |
| Response Time | <5 ms |
| Isolation | Galvanic isolation between channels and system bus |
| Power Supply | Via I/O bus (24 V DC) |
| Operating Temperature | 0 °C to +55 °C |
| Storage Temperature | –40 °C to +85 °C |
| Protection | EMC shielding, industrial-grade design |
| Dimensions (W × H × D) | 180 × 100 × 40 mm |
| Weight | 0.3–0.5 kg |
| Country of Origin | Sweden / Germany |
| Application Areas | Process automation, power plants, chemical industry, steel mills, manufacturing systems |
FAQ
Q1: What is the primary function of the DSTA-121A?
A1: It acquires and processes digital signals from field devices for automation systems.
Q2: How many digital channels does the module provide?
A2: The DSTA-121A provides 16 configurable digital input/output channels.
Q3: Is it compatible with all ABB control systems?
A3: It is specifically designed for ABB Advant OCS and Master systems.
Q4: Can it handle harsh industrial environments?
A4: Yes, the module features EMC shielding and robust industrial design.
Q5: What is the response time of this module?
A5: The typical response time is less than 5 milliseconds for fast signal acquisition.