Xiamen Xingruijia Import and Export Co., Ltd. has been specializing in the sales of industrial control equipment spare parts for 20 years. For more ABB models, please refer to the product list . If you need other brands or models, please contact us. We have a variety of brands and models in stock, and we can purchase difficult to order models for you. We look forward to your inquiry!!!

First hand source//affordable price//Spot inventory!

•Shipping Port: Xiamen

•E-mail: sales7@saulplc.com

•Tel/WhatsApp/Wechat: + 86-15359273796

•Ship to you via Fedex/DHL/TNT/UPS/EMS

•Package: Original packing with cartons

ABB DSTA131

The ABB DSTA131 (57120001-CV) is a Connection Unit for Analog Input Boards, designed for ABB Advant OCS and S100 I/O control systems.

It provides the physical interface between field instruments and analog input modules, enabling industrial measurement signals to be connected to the control system. The unit is primarily used together with the ABB DSAI130/DSAI130A analog input boards.

The DSTA131 supports 16-channel differential analog signal connections and provides signal termination and shunt resistor functions for industrial process measurement applications.

2. Core Functions

• Analog Signal Connection: Connects field sensors and transmitters to ABB analog input boards.

• 16-Channel Signal Processing Interface: Provides connection facilities for 16 differential analog input channels.

• Current-to-Voltage Conversion: Uses precision shunt resistors to support current signal measurement.

• Signal Distribution: Organizes field wiring and distributes measurement signals to the corresponding input channels.

• Electrical Protection: Provides fuse protection for field signal circuits.

• System Integration: Connects with ABB DSAI130 and DSAI130A analog input modules.

3. Technical Parameters

4. Design Features

• 16-Channel Configuration: Supports multiple analog measurement points through one connection unit.

• Differential Signal Design: Helps improve measurement reliability in industrial environments.

• Precision Shunt Resistors: Provides 250 Ω shunt resistance with 0.1% accuracy.

• Field Circuit Protection: Incorporates protective fuses for connected signal circuits.

• 24 V DC Distribution: Supports power distribution for compatible field connections.

• Modular Integration: Connects directly to compatible ABB analog input hardware through dedicated cables.

• Industrial Construction: Designed for installation in industrial control cabinets.

5. Hardware Composition

The ABB DSTA131 consists of several functional hardware sections:

1. Main Connection Board: Provides the central electrical connection structure.

2. Analog Input Terminals: Connect field measurement signals to the corresponding channels.

3. Precision Shunt Resistors: Convert current signals into measurable voltage signals.

4. Fuse Protection Components: Help protect field circuits against electrical faults.

5. 24 V DC Distribution Circuit: Provides fused power connections where required.

6. Cable Interface: Connects the terminal unit to the DSAI130/DSAI130A analog input board.

7. Signal Routing Circuitry: Organizes the 16 differential input channels.

6. Typical Applications

• Industrial process measurement systems.

• Power generation and electrical control systems.

• Chemical and petrochemical production.

• Oil and gas process automation.

• Industrial temperature and pressure monitoring.

• Flow and level measurement systems.

• ABB Advant OCS distributed control systems.

• ABB S100 I/O automation installations.

7. Maintenance Considerations

1. Inspect terminal connections for looseness, corrosion, or damaged contacts.

2. Check the condition of signal cables connecting the DSTA131 and DSAI130.

3. Verify the resistance and condition of the shunt components.

4. Inspect protective fuses and replace them with the correct rated types.

5. Check the 24 V DC distribution connections.

6. Confirm correct signal polarity and differential wiring.

7. Verify compatibility with the installed analog input board before replacement.

8. Overall Evaluation

The ABB DSTA131 (57120001-CV) is a 16-channel analog input connection unit designed for ABB Advant OCS and S100 I/O systems. Its primary role is to provide reliable field signal termination and electrical interfacing for compatible analog input modules.