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What does ‘microprocessor control’ for a locomotive mean?

20-06-2019

What does ‘microprocessor control’ for a locomotive mean? 'Microprocessor control' can mean a few different things. A few of the newer electric locomotive models such as the WAP-5 or WAG-9 with complex 3-phase AC drives have circuitry and equipment controlled by microprocessors. In these, the microprocessor or computerized control is an integral part of the locomotives' design. Some of the newer diesel locos such as the WDG-4, WDP-4, WDM-3D, etc., also use a fair bit of microprocessor control for their onboard systems. These advanced locomotives can be truly described as being computer-controlled or microprocessor-controlled. ये भी पढ़े - इंसान ही

What kinds of track circuits are used by IR?

July 16, 2019

The most common form of track circuit used is the detection of a train by the closing of an electrical circuit between the two rails because of the conducting nature of the rolling stock. This circuit may use DC in the simplest form, or may use AC, at various frequencies or with coded pulses. DC Track Circuit (double-rail) Double-rail DC track

What are Locking Tables and Pull Sheets?

July 16, 2019

A Locking Table is a table that gives the complete set of interlocking relationships among signal and point levers in a cabin. A Pull Sheeet is similar, in that it conveys the same information, but is geared towards the lever operator's convenience in showing which other levers need to be pulled for any lever. A sample locking table is shown

How are points operated?

July 16, 2019

When signals are operated by single-wire transmission, points are always operated by rodding. Rodding refers to the long rods or tubes that one can see running parallel to the rails from cabins which have point levers, or from line-side point levers, and connecting with the tongue rails so that the action of the point lever moves the tongue rails

What are modified non-interlocked (MNI) stations?

July 16, 2019

Modified non-interlocked stations are those where setting and locking the points releases a key which has to be used to pull off a signal; however, the block instruments are operated independently. So there is some minimal amount of a safety lock between the points and the signals, but it does not qualify as full-fledged interlocking. Source -

How are non-interlocked (NI) stations operated?

July 16, 2019

Non-interlocked stations are what their name implies: there is no interlocking of any kind. The points have to be set appropriately and locked manually before pulling off a signal. The station master is personally responsible for ensuring that this is done and is supposed to have the keys to unlock the points with him or under his control. Trains

What are the different levels or standards of interlocking that IR specifies for stations?

July 16, 2019

A Standard I interlocked station has mechanical interlocking. It also usually has just one running line and a loop line (and perhaps a couple of sidings). These are usually branch line stations. The points are worked by point levers situated near the points, and the signals are worked from interlocking frames in the signal cabin. Key locking (see

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What does ‘microprocessor control’ for a locomotive mean?

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