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PROGRAMMABLE DEVICE
PROGRAMMABLE LOGIC CONTROLLER (PLC) This is Omron type of PLC used in the equipment enclosures. I have managed to program this PLC before doing function testing. The main programme is entitled to safety with respect to point machines, and train detection monitored on the LCP (Local Control Point). LOADING PROGRAM I plugged the USB cable to the computer and PLC. I opened the Omron PLC progrmme and wait for about 30 seconds for the respond. The screen shown below popped up and I selected object ID to change the binary value using the last two decimal values of the IP address on the equipment enclosure. Each equipment enclosure has a unique ID and function to the points being controlled and the track being monitored. Since these enclosures were monitored by LCP, the communication between the two was carried by the Ethernet switch. Each PLC had its unique IP address this is used by the switch to identify eac...
ACTOM SIGNAL MONITORING
ORIENTATION Actom signalling is a division of railway transportation that provide services to the public and industries, which the main purpose is to help improve train services at reasonable cost as a result the need for a safer and more effective train control becomes more important, the factors such as motive power, communication, track, train and signalling are considered to play important role in the railway industry. The Actom Company provides Signalling methods or elements for points, signals, track circuits, interlocking (relay) which combines and interlocks the points, signals, and track circuits which serves together under the general purposes of: Ensuring a safe distance between trains on the same line. Safe guarding the movement of trains at crossings. Regulating movement of trains depending on circumstances. THINGS PRODUCED IN ACTOM Planning and designing skills including the following: free wired interlocking, relay interlocking, Geographica...
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