Example 4) Adding data to the existing CIP message. (Writing character string data
“while the data size is set to 0”)
[S1]... DT1 [S2]... H0000 [D]...DT100
S1: Data to be added S2: Format of the data to be
added
D: CIP message storage
destination
Value Value Value
DT1 00H 03H S2 0000H DT100 0003H
Data
length
DT2 32H (2) 31H (1) ↑
Writing character string data
DT101 0001H
Written
data
DT3 00H 33H (3) DT102 12H 'A'
DT103 56H 34H
DT104 90H 78H
Operation result
S1: Data to be added D: CIP message storage destination
Value
Move data of string length + 2
bytes
Value
DT1 00H 03H DT100 0003H
Data
length
DT2
32H (2) 31H (1)
DT101 0001H
DT3 00H
33H (3)
DT102 03H 'A'
DT103
'1'
00H
String
length
DT104
'3' '2'
■
Flag operations
Name Description
SR7
SR8
(ER)
To be set when the EtherNet/IP function is set to Not Use in the Ethernet unit configuration.
To be set in case of out-of-range in indirect access (index modification).
Set when a value outside the range is specified for the parameter.
To be set when the data size after the addition exceeds 502.
17.33 CIPMSET [CIP Message Data Setting (Merging)]
WUME-FP7CPUPGR-12 17-167