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Delta Electronics Network Device DOP-A/AE/AS User Manual

Page 98

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Delta DOP Series HMI Connection Manual|DOP-A/AE/AS Series

Revision January, 2008, Doc. Name: 2007PDD23000007

1-97

3) Only one data (1 Word/ 1 Double Word / 1 Bit) can be read and written for each communication. So, the

“Optimize” (Optimization for reading) selection in “Communication” tab in the “Configuration” dialog box

in “Options” menu (Options Æ Configuration Æ Communication) is cancelled.

4) When using RS-232 communication, the user only can use 3 pins (Pin 2, Pin 3 and Pin 5). DO NOT use

5 pins for RS-232 communication. Also, Pin 9 is for +5V. Do not confuse and connect to the wrong pin;

otherwise the serious damage may occur.