Glossary - TM-5-3895-374-24-1

TM-5-3895-374-24-1 Paving Machine Bituminous Material: Crawler Mounted Diesel Engine Driven Manual
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TM 5-3895-374-24-1 Minimum Watts- The amount of heat dissipation that can occur when there is no field power present Multi-master network- A network in which more than one node has the ability to initiate communications and initialize the link. Network-A series of stations (nodes) connected by some type of communication medium. A network may be made up of a single link or multiple links. Node- Also called a station. An address or software location on the network. Nominal Input Current- The current at nominal input voltage. Off-State Current-For input circuits, the maximum amount of leakage current allowed from an input device in its Off state Off-State Leakage- For output circuits, the maximum amount of (leakage) current that may flow when the output circuit Is In its Off-state Off-State Voltage (max) -The maximum input voltage level detected as an Off condition by the input module. On-State Voltage Drop- The voltage developed across the output driver circuit during the On state at maximum load current Operating Voltage- For inputs, the voltage range needed for the input to be in the on state. For outputs, the allowable range of user-supplied voltage Output Device - A device, such as a pilot light or a motor starter coil, that is energized by the programmable controller. Points per Common- The number of Input or output pints connected to a single return (common) or supply (vcc) Protocol- The "language" or packaging of information that is transmitted across a network (I/O) Rack-An I/O addressing unlit that corresponds to 8 input image-table words and8 output image-table words. A rack can contain a maximum of 8 I/O groups for up to 128 discrete I/O. Remote I/O Network -- A network where the communication between the processor and the I/O is across a serial link. RS-232- An EIA standard that specifies electrical, mechanical, and functional characteristics for serial binary communication circuits. A single-ended serial communication interface Responder -A node on the DH4X5 network that acts a slave device. A responder is not capable of initiating communications. It can only send messages in response to a request from an initiator. The SLC 5/01 and 5/02 can also be responders. (page 3-465) Glossary

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