Interlocking Logic Circuits in Railway Signalling

Mar 22, 2025

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Interlocking Logic Circuits in Railway Signalling ensure the safe movement of trains by preventing conflicting routes. These circuits use predefined logic to control signals, switches, and track occupancies, avoiding accidents. Sensedge specializes in developing advanced interlocking solutions, enhancing reliability, safety, and efficiency in railway operations through state-of-the-art technology and automation.For more details visit here:-https://www.sensedgetss.com/engineering.php<br>

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Interlocking Logic Circuits in Railway Signalling

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Railway Signalling Products Division

Railway Signalling Products Division. WELCOME ….. DATA LOGGER PRESENTATION ON – 25.04.07 I R I S E T. DATA LOGGERS MODES. DATA LOGGERS ARE USED IN TWO DIFFERENT MODES: AS STAND ALONE UNITS MOSTLY IN LARGE SIGNALLING INSTALLATIONS.

1.36k views • 41 slides

CMOS Logic Circuits

CMOS Logic Circuits. Inverter 2 Input NOR 2 Input NAND Other functions. V dd = 5V. V out. V in. T pu (pMOS). T pd (nMOS). The CMOS Inverter. V(x). V(y). V(y)=V(x). Switching Threshold. V M. DC Operation Voltage Transfer Characteristics (VTC).

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Dynamic Logic Circuits *

Dynamic Logic Circuits *. Dynamic logic is temporary ( transient ) in that output levels will remain valid only for a certain period of time Static logic retains its output level as long as power is applied

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Logic Circuits

Logic Circuits. Situations to explain states What is a logic Gate What is a Truth Table The three different gates Building Truth Tables . Situation .

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CMOS Logic Circuits

CMOS Logic Circuits. Logic Values. Logic values = {0, 1} A logic value, 0 or 1, is called as BI nary Digi T or BIT . Physical states representing bits in digital technologies:. Encoding Bits. Information can be encoded using: Current, Voltage, Phase, Frequency

998 views • 38 slides

Combinational Logic Circuits

Combinational Logic Circuits. Chapter 2 Mano and Kime. Combinational Logic Circuits. Binary Logic and Gates Boolean Algebra Standard Forms Map Simplification NAND and NOR Gates Exclusive-OR Gates Integrated Circuits. Digital Logic Gates. *. Gates with More than Two Inputs.

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COMBINATIONAL LOGIC CIRCUITS

x1. Z. x2. C.L. xn. COMBINATIONAL LOGIC CIRCUITS. Z = F ( x1, x2, ……., Xn ) F is a Binary Logic (BOOLEAN ) Function Knowing F Allows Straight Forward Direct Implementation of the C.L. Circuit. OBJECTIVES Learn Binary Logic and BOOLEAN Algebra

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Combinational Logic Circuits

Combinational Logic Circuits. Binary Logic and Gates Logic Simulation Boolean Algebra Standard Forms Karnaugh Maps NAND/NOR and XOR gates. Read MK 29-80. Schematic for 4 Bit ALU. Invertor. AND Gate. EXOR Gate. OR Gate. 4. 2. 4. A. D. B. S. Simulation of 4 Bit ALU.

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Digital Logic Circuits

CHAPTER 13. Digital Logic Circuits. Figure 13.1. Voltage analog of internal combustion engine in-cylinder pressure. Figure 13.1. 13-1. Digital representation of an analog signal. Figure 13.2. Figure 13.2. 13-2. A binary signal. Figure 13.3. Figure 13.3. 13-3. Table 13.1.

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Combinational Logic Circuits

Combinational Logic Circuits. Is the logic circuit where the output always depends on the inputs irrespective of the previous state with out the feed back and memory. CLC. Min Term:. AND ed product of literals in which each variable appears exactly once, in true or complemented form.

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Logic Circuits

Gates implement mathematical logic operations applied to binary variables – A, B, X, Y, Z. Logic Circuits. Digital Systems are made out of integrated circuits, transistors and interconnections. Certain well defined – small circuits are called Logic Gates.

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MSI Logic Circuits

MSI Logic Circuits . Decoder. Group Introduction. 1. Phạm Cao Cường 2. Đặng Thái Sơn 3. Đặng Minh Tâm 4. Phạm Hồng Sơn 5. Nguyễn Nhật Minh 6. Lê Minh Tuấn Kiệt 7. Hồ Trọng Tài 8. Nguyễn Chí Hải. Content:. 1.Introduce : 2.Some demotic decoder IC : 2.1 IC 74138 2.2 IC 7442

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Logic Circuits

مدارهای منطقی. Logic Circuits. ارائه دهنده: محمد رضا محمدی http://ee.sharif.edu/~mrmohammadi/. زمستان 1391. نمره. میانترم 35% پایان ترم 40% تمارین 10% تمارین شبیه سازی خود را به آدرس mrmohammadi@ee.sharif.edu بفرستید

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COMBINATIONAL LOGIC CIRCUITS

3. COMBINATIONAL LOGIC CIRCUITS. LEACH, MALVINO & SAHA. Boolean Laws and Theorem. Basic Laws The Commutative Laws A+B=B+A AB=BA The Associative laws A+(B+C)=(A+B)+C A(BC)=(AB)C The Distributive law A(B+C)=AB+AC. Boolean Laws and Theorem. OR Operations A+0=A A+A=A A+1=1

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Logic Circuits

Logic Circuits. Another look at Floating Point Numbers Common Combinational Logic Circuits Timing Sequential Circuits. Note: Multiplication & Division in 2’s Complement is not as straight forward as addition and subtraction. For example, what happens if the multiplicand is negative?.

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Combinatorial Logic Circuits

Combinatorial Logic Circuits. Index. Basic CMOS gates: Properties Ratioed Logic Pass transistor Logic Dynamic Logic. Out. In. Combinational. Combinational. In. Out. Logic. Logic. Circuit. Circuit. State. Combinational vs. Sequential Logic. Combinational. Sequential. Output =.

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Logic Circuits II

Logic Circuits II. Combinational Logic vs. Sequential Logic. The outputs of a combinational logic circuit Totally dependent on the current input values and determined by combining the input values using Boolean operations The outputs of a sequential logic circuit

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DIGITAL LOGIC CIRCUITS

Introduction. DIGITAL LOGIC CIRCUITS. Logic Gates Boolean Algebra Map Specification Combinational Circuits Flip-Flops Sequential Circuits Memory Components Integrated Circuits. Logic Gates. LOGIC GATES. Digital Computers

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DIGITAL LOGIC CIRCUITS

Introduction. DIGITAL LOGIC CIRCUITS. Logic Gates Boolean Algebra Map Specification Combinational Circuits Flip-Flops Sequential Circuits Memory Components. Logic Gates. BASIC LOGIC BLOCK - GATE -. Binary Digital Output Signal. Binary Digital Input Signal. Gate.

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Combinational Logic Circuits

Combinational Logic Circuits. Reference: M. Mano, C. Kime, “Logic and Computer Design Fundamentals”, Chapter 2. Basic Logic Gates. Logic Function. Gate Symbol. Logic Expression. Truth Table. Basic Logic Gates with Inverted Outputs. Logic Gates with more than two inputs.

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What is Interlocking and their types in Railway

In railway signalling, an interlocking is an arrangement of signal apparatus that prevents conflicting movements through an arrangement of tracks such as junctions or crossings. The signalling appliances and tracks are sometimes collectively referred to as an interlocking plant. An interlocking is designed so that it is impossible to display a signal to proceed unless the route to be used is proven safe.

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