6 DATA COMMUNICATION USING THE NON PROCEDURE PROTOCOL
6.1.2 The receive area and the received data list
The following shows the list of the receive area and the receive data for performing data reception using the non procedure protocol.
CH1
address
600H
601H
to
7FFH (Default)
(1) Receive area
The receive area is a memory area for storing the data received from the external device and the receive data count in order to read the receive data for the PLC CPU. By default, the receive area is assigned to addresses 600H to 7FFH (CH1 side) and A00H to BFFH (CH2 side).
Buffer memory |
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| • The receive data count units (word/byte) are up to the value | ||
area |
| Receive data count storage area |
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| set to GX |
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| • Writes the receive data storage count when the PLC CPU | ||
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Receive |
| Receive data storage area |
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| is requested to read the receive data. |
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| • Stores the arbitrary data area of the receive data. | ||
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6 - 6 | 6 - 6 |