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Controladores lógicos programables PLC baja gama expandibles entradas digitales AC 74368-SR22MRDC ARRAY Manual Ingles www.viaindustrial.com
Controladores lógicos programables PLC baja gama expandibles entradas digitales AC 74368-SR22MRDC ARRAY Manual Ingles www.viaindustrial.com
Actual Demonstration:
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Dial the telephone No. 1234567 of the voice module via telephone or mobile.
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It will play Message 1 “Please enter the password.”
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Enter the preset password via the telephone keys.
A. Correct password.
It will play Message 2 “Correct password.” If IA0 is not triggered, it will play
Message 4 “Run normally. No alarm.” After playing, if user doesn’t hang up the
telephone, it will play Message 4 repeatedly. After Message 4 is played N times,
no matter the user hangs up the call or not, the voice module will hang up the call
automatically and return to the main system and wait for the next operation.
(The value of N can se set by PC software. And the default is 5. 2=<N<=5.)
B. Wrong password.
It will play Message 3 “Wrong password. Please re-enter.” and then Message 1
“Please enter the password.”
Example 2
SR system detects there is something abnormal and prompt the user. Under this
situation, the voice module is needed to set password to avoid the stranger knowing
the prompting contents. If the door is not closed well and the preset telephone in the
voice module is a public telephone, it is obvious that password must be entered first to
know if the door is closed or not. Otherwise stranger will know that the door is not
closed and something strange will happen.
Program is as follows:
Fig. 5.6
The set diagrams of DOUT function block are as follows:
Fig. 5.7 Set Diagram of B0 Fig. 5.8 Set Diagram of B1
Actual Demonstration:
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SR system detects that the door is not well closed. (IA0 connected to the switch
testing the switch of the door.) IA0 is triggered and B0 is activated by IA0. Then
the voice module will dial 3456789 the preset telephone of B0.
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When the user picks up the telephone, he will hear that “Please press Key #0 and