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ABB

ABB DSTA170B Connection Unit for Analog Output Unit

    Brand:ABB

    Product ID:DSTA170B

    Place of Origin:

    Warranty: 365 days

    Goods status: new/used


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    Phone/Wechat/Whatsapp:+86 15339539190

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  • Product Details

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Product details

 

Brand

ABB
Model

DSTA170B

Technical information :

  • Long Description:
  • DSTA 170 Connection Unit for Analog Output Unit
    • Product Type:
    • I-O_Module
    • Product Net Depth / Length:
    • 157.5 mm
    • Product Net Height:
    • 31.5 mm
    • Product Net Width:
    • 90 mm
    • Product Net Weight:
    • 0.185 kg

General Description 

• High Density Cell Design for Low RDS(ON)

• Voltage Controlled Small Signal Switch 

• Rugged and Reliable 

• High Saturation Current Capability 

• These are Pb−Free Devices





PLC and DCS system in common

 

①DCS: Distributed control systems (distributedcontrol systems).

 

PLC: Programmable Logic Controller (PLC). Both have different emphasis and are advanced.

 

②DCS focuses more on the process control field (such as chemical, smelting, pharmaceutical, etc.) is mainly the monitoring and adjustment control of some field parameters, while PLC focuses on logic control (machining class). Of course, the current PLC can also deal with process control problems well, but there is no DCS professional.

 

(3) If the simulation quantity is greater than 100 points, DCS is generally used; If the analog quantity is within 100 points, PLC is generally used.

 

DCS is a "distributed control system", and PLC is just a control "device", the two are the difference between "system" and "device". The system can realize the functions and coordination of any device, and the PLC device only realizes the functions of this unit.

 

The DCS network is the central nervous system of the whole system, DCS system usually uses the international standard protocol TCP/IP. It is a safe and reliable double redundancy high-speed communication network, the system is more extensible and open. Because the PLC basically works for a single small system, when communicating with other PLC or host computer, the network form used is basically a single network structure, and the network protocol is often inconsistent with international standards.

 

All I/O modules of DCS system are equipped with CPU, which can realize the acquisition and output signal quality judgment and scalar transformation, fault charging, random replacement. The PLC module is just a simple electrical converter, there is no intelligent chip, and the corresponding unit is all paralyzed after the failure.




ABB series of products

5STP3328L00035STP38N4200
5STP3328L00055STP3BHB017655
5STP3328L00115STP4200
5STP3452N00235STP45N2800
5STP34H16015STP45Q2800
5STP38N40005SXE08-0166

 



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