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ASDA-A2 Chapter 9 Communications

9-10 Revision February, 2017

RTU Mode:

Command message (Master): Response message (Slave):

Slave Address 01H

Function 03H

Starting data

address

02H (High)

Number of data

(In Byte)

04H

00H (Low)

Number of data

(In Word)

00H

Content of

starting data

address 0200H

00H (High)

02H

B1H (Low)

CRC Check Low C5H (Low)

Content of

second data

address 0201H

1FH (High)

CRC Check High B3H (High)

40H (Low)

CRC Check Low A3H (Low)

CRC Check High D4H (High)

Please note:

Before and after the transmission in RTU mode, 10ms of silent interval is needed.

Delta ASDA-A2 Series User Manual

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