Delta AH500 - Page 317

Chapter 8 Serial Communication Module AH10/15SCM
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Type 3: Sending an abbreviated record, and receiving a full record
Sending an abbreviated record: The packet which will be sent is the same as TX packet 1 in type
1 or TX packet 1 in type 2. The function field is 16#89.
Receiving a full record:
『Start bit』+『Length』+『Length (repeat)』+『Start bit (repeat)』+『Instrument (IA)』+『Function
field (FF)』+『Parameter index (PI)』+『Data block (DB)』+『Checksum (CS)』+『End mark』
16#68+(Null)+(Null)+16#68+D0+(Null)+D100
Start bit: 16#68
Length+Length (repeat): 2 bytes are
ignored. Users can ignore the length or
store the length.