ABB DSBC17257310256-EL 16-channel Digital Input Terminal Base Unit

The DSBC17257310256-EL is a 16-channel digital input terminal base unit

engineered for industrial automation control systems. This device functions

as a bus repeater master board or digital input module, providing reliable

signal acquisition and transmission in demanding industrial environments. 

The module is designed to receive digital signals from field devices such as

limit switches, push buttons, proximity sensors, and other discrete devices,

converting these signals into a digital format that can be processed by

programmable logic controllers and distributed control systems.

The DSBC17257310256-EL serves as a critical interface between field devices

and the control system, ensuring that digital status information is accurately

transmitted for monitoring and control purposes. Its bus repeater functionality

enables signal amplification and regeneration, extending the communication

distance of fieldbus networks and improving overall system reliability.

The annunciator unit provides immediate fault recognition, fault

identification and visual and audible alarm in an abnormal process

situation. The annunciator unit also provides a means for subsequent

fault analyses, which means that corrective measures can be carried

out without delay and you maintain full control of the process.

The annunciator units can be used as independent stand-alone units,

or several units can be interconnected and connected to printers,

terminals, etc., to form complete supervision, event sequence reporting

and data acquisition systems. The maximum annunciator system capacity

is 560 channels in one system and the resolution of the time marking is

10 milliseconds.

This sophisticated hardware and software self-supervision system to ensure

maximum operational reliability has been designed for also the most

demanding environmental conditions.  The SACO 16D1 provides immediate

fault recognition, fault identification and visual and audible alarm when an

abnormal process situation occurs.  The alarm channels are activated by

normally open or normally closed contact. This annunciator unit also provides

a means for subsequent fault analyses, which means that corrective measures

can be carried out without delay and you maintain full control of the process.

The first-out alarm indication is achieved via a clear four-digit display on the

front panel.

Application Scenarios of DSBC172 57310256-EL

1. Thermal power plants, combined heat and power plants, flue gas desulfurization and

denitrification control system.

2. Petrochemical, coal chemical and refining production process control.

3. Pulp and paper industry automatic production line DCS communication expansion.

4. Metallurgy, iron and steel, cement building materials heavy industrial control sites.

5. Municipal water treatment, sewage treatment, waste incineration power generation industry.

6. Marine engineering, offshore platform automation control system.

7. Renovation, maintenance and spare parts replacement for legacy ABB AC400 / Advant OCS DCS system.

8. Long-distance fieldbus transmission, anti-interference processing and network segment isolation

for industrial control communication.

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