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PLC chapter 1-2 part 3
Fichas del conjunto (24)
- 1What devices does a BCD-output module enable a PLC to operate?Any BCD coded devices
- 2What is a nominal input voltage rating?The type and amount of voltage a device is designed to use.
- 3What is a Input Threshold VoltageThe minimum amount of voltage required to turn on a device.
- 4What is nominal current per input?The specified minimum input current that the discrete input devices must be capable of driving to operate the input circuit
The minimum amount of current required for a discreet input device to operate an input circle. - 5Ambient Temperature RatingThe specified maximum temperature of the air surrounding the I/O modules should be for the best operating conditions
- 6What is an input ON/OFF delay?Specified maximum time duration required by an input module to recognize whether that a field device is either on or off
- 7The output voltage specification, specifies?Specifies the magnitude and type of user supplied voltage which a discrete output module is designed to operate.
- 8What is backplane current draw?The amount of current required by a module from the backplane
- 9How is the appropriate chassis power supply chosen for the application?The sum of backplane current draw is calculated.
- 10What are individual circuits on a discrete module are specified as?points per module
- 11what are circuits on analog I/O modules are specified as?Channels per module
- 12Input current/voltage range(s) are?The voltage or current signal ranges that an analog input module is designed to accept
- 13Output current/voltage range(s) are?The voltage or current signal ranges that an analog output device is designed to output.
- 14Analog input circuits are usually protected against accidentally connecting a voltage that exceeds the specified input voltage range with what?Input Protection
- 15Define ResolutionThe resolution specifies how accurately a value can be represented digitally.
- 16Define Impedance and CapacitanceValues that must be matched with the external device connected to the module.
- 17Common mode rejectionNoise that is generally caused by electromagnetic interference, radio frequency interference, and ground loops.
- 18To avoid equal noise distribution between two wires, what is done?The two wires are twisted together.
- 19A CPU is typically built into a fixed PLC while modular type PLCs use what kind of CPU?A Plug-in CPU module
- 20A processor module can be divided into what two sections?The CPU section and the memory section
- 21What kind of addressing scheme is this and what does each value represent?PLC-5 Addressing Scheme
- 22What does I 1 : 3 . 0 / 01 read in SLC 500?
- 23The Radix or Base of a number determines what?The total number of different symbols or digits used by the symbol
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- College PLC 301 Fichas sobre PLC chapter 1-2 part 3, creado por second_second101 el 02/10/2015.
- Creado por
- second_second101
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