Delta AS Series Operation Manual page 366

A S S e r i e s O p e r a t i o n M a n u a l
Example 1: write 010203E8 (hex) to (Index_subindex) 212D_0 in slave of No. 3 through SDO; the data type of
(Index_subindex) 212D_0 is double words (32 bits).

Request data:
PLC device

Response data:
PLC device
Example 2: read the value of (Index_subindex) 212D_0 in slave of No. 3 through SDO; the data type of
(Index_subindex) 212D_0 is double words (32 bits).

Request data:
PLC device
_10
1 0 - 2 2
D25000
Message
D25001
Header
D25002
D25003
D25004
Message
D25005 data
D25006
D24000
Message
D24001
Header
D24002
D24003
D24004
Message
D24005 data
D24006
D25000
Message
D25001
Header
D25002
D25003
D25004
Message
D25005 data
D25006
Request message
High byte(Hex)
ReqID=01
Reserved =0
Type =02
Main index high byte =21
Reserved =0
Datum 1=03
Datum 3=01
Response message
High byte(Hex)
ResID =01
Reserved =0
Type =60
Main index high byte =21
Reserved =0
Datum 1=00
Datum 3=00
Request message
High byte(Hex)
ReqID =01
Reserved =0
Type =01
Main index high byte =21
Reserved =0
Datum 1=0
Datum 3=0
Low byte(Hex)
Command =01
Size =8
Node ID =03
Main index low byte =2D
Subindex =0
Datum 0=E8
Datum 2=02
Low byte(Hex)
Command =01
Size =4
Node ID =03
Main index low byte =2D
Subindex =0
Datum 0=00
Datum 2=00
Low byte(Hex)
Command =01
Size =4
Node ID =03
Main index low byte =2D
Subindex =0
Datum 0=0
Datum 2=0