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What devices uses anolog signals?
Generally process control devices use analog signal. Normally in an industrial automation setup, 0-20 mA (mili amp) or 4-20 mA or 0- 10 Volts are used. These signals are used for both providing control output and to provide feed back signal (say to a PLC (programmable logic controller) or DCS) Example for a control out put is a motorized damper operated by 4 - 20 mA signal. PLC provides 4-20 ma signal. Example of a feed back signal is 4 - 20 mA signal from temperature transmitter, measuring a liquid temperature to PLC as input.
A flow transmitter range is 0 to 2500mmH2o How many Milliamperes on 1250mmH2o?
Your total milliamp range is 4 to 20 milliamps. 4 Ma being 0mmH2o and 20 Ma being 2500mmH2o. So 1250mmH2o is 50% which is equivalent to 12Ma signal.
What is a unit load for the ' F ' family of TTL?
L = +10 µA HIGH/-0.18 mA LOW_ = +40 µA HIGH/-1.6 mA LOWLS = +20 µA HIGH/-0.36 mA LOWS = +50 µA HIGH/-2.0 mA LOWAS = +20 µA HIGH/-0.5 mA LOWALS = +20 µA HIGH/-0.1 mA LOWH = +50 µA HIGH/-2.0 mA LOWF = +20 µA HIGH/-0.6 mA LOWHC = +1 µA HIGH/-1 µA LOW
Can you use an AC adaptor - 6v dc 1300 ma to replace AC adaptor - 6 v DC 800 ma?
Yes you can. All the 1300 mA rating means is that adaptor can supply devices up to 1300 mA. The old adaptor's limit was 800 mA. The new adapter has 500 mA more in reserve if it is ever needed.
In a pentode power amplifier the effective impedance of the load is 600 ohms The signal current varies between 50 and 200 ma The effective voltage across the secondary of the transformer is 10.6 volts?
It might be. Or it might not. You need to specify the transformer's turns ratio or its impedance ratio, and th eload on the secondary.
How far drive from Wesport MA to jaffrey nh?
113 miles
What devices uses anolog signals?
Generally process control devices use analog signal. Normally in an industrial automation setup, 0-20 mA (mili amp) or 4-20 mA or 0- 10 Volts are used. These signals are used for both providing control output and to provide feed back signal (say to a PLC (programmable logic controller) or DCS) Example for a control out put is a motorized damper operated by 4 - 20 mA signal. PLC provides 4-20 ma signal. Example of a feed back signal is 4 - 20 mA signal from temperature transmitter, measuring a liquid temperature to PLC as input.
What are the ratings and certificates for Howard Stern on Demand - 2005 No Signal?
Howard Stern on Demand - 2005 No Signal is rated/received certificates of: USA:TV-MA
What percent for Sales Tax on Automobiles in ma?
As of 2012 it is 6.25 percent, due within 10 days.
What formula is using to convert percent input to MA output?
If you are talking about 4 mA = 0% and 20 mA = 100% then the formula would be a linear equation: y=mx + b y=6.25(x) - 25 y= percentage x=mA ouput So for example put 4 mA in place of x and you get 0% for y and if you use 20 mA in place of x you get 100% for y. You can rewrite the equation if only Percent input is known to find mA output it would be X= (Y + 25)/6.25 this way you input the percent in for (Y) and you have the mA output for X
Why 4mA is taken as the signal instead of 0 mA?
In a current loop, 4-20 ma is a typical range. We don't use 0 ma as a valid signal, because that is reserved for a broken wire or dead transmitter condition. The receiver is designed to offset and translate the 4-20 as necessary, with the break condition also being reported.
What is the percentage of catholics in new bedford ma?
50.20 percent according to a website.
How do you find central angle when the percent is only given to you?
sukk ma dikk'
How many people age 65 and older live in ma?
There are 905,896 people age 65 and older that live in MA. This is about 13.8 percent of the population.
How much is sales tax on used cars in ma?
Sales tax on ANY car in MA is 6.25 percent as of 2012, due within 10 days.
Definition of 4-20 mA?
Previously when transmitters were configured for 0-20mA signal it was very difficult to identify an open circuit at 0mA,hence to supersede this defect it was decided to configure the transmitter as 4-20mA signal,so that if there is open signal it can be easily identified.
Why is the standard range of ammeter is 4 to 20 ma than 0 to 20 ma?
4-20ma is a standard range used in process controls to indicate measured values. For instance, a pressure instrument may output 4ma to indicate 0 psi, up to 20 ma to indicate 100 psi, or full scale. Or, to control a variable-speed motor drive, 4 ma may mean to stop the motor, and 20 ma to run at full speed. The reason that 4ma is chosen instead of zero is for fail safe operation. A broken wire always results in 0 ma. Suppose our signal right now is 12 ma, and this causes a ventilation fan to run at 50% speed. Suddenly the signal drops to 0 ma. Now, if our range was 0-20 ma, does this change mean stop the fan? Or does it mean the signal wire just broke? There would be no way to tell. With a 4 ma low range, we would know that 0 ma was a broken wire. Then instead of stopping the fan, we could set it to some default speed, or simply continue at the previous speed until the wire was repaired.
