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Messages - meiya777

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Technical support / Analog I/O communication
« on: August 28, 2005, 04:10:20 AM »
1. How to connect 2 expansion (I-7017 Analog Input and I-7022 Analog Output) to T100MD888?
2. how can I know which channel is giving the Analog Input since I-7017 has 8 inputs?
2. How can I know what voltage is send from I-7017 to PLC?

Similar question for I-7022, analog output expansion.

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Technical support / Creating Menu
« on: August 28, 2005, 03:35:49 AM »
Am very new to PLC, and waiting for my first T100MD. Just want to know  how I can make a simple menu on the LCD-420 with UP/DOWN button as inputs? Make it clear for you:

Option 1: print GOOD MORNING
Option 2: print GOOD AFTERNOON
Option 3: print GOOD EVENING
Option 4: print GOOD NIGHT

User choose any of the options, and PLC will execute the command and send it to LCD-420

3
Technical support / Re:motor speed control
« on: August 26, 2005, 05:20:13 AM »
Quote from: support on April 25, 2005, 12:15:56 PM
It depend on what you mean by speed control. Most AC motor speed is controlled by Frequency Inverter and not a job for the PLC.

Well, it's not true. Am new to PLC and intend to control AC motor by Inverter. The inverter can be controlled by various kinds of Analog Input such as Potentiometer, or Voltage Input (0..10vdc) or Current Input (4..20mA). Or if you want, they can controlled by Digital Input, even direct PLC signal power. I use  Fuji Frenic 5000G11S inverter.

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